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Hi Sandra,
would you mind to send the patch in git format-patch format?
We don't use CVS anymore for quite some time.
Thanks,
Corinna
On Aug 2 15:52, Sandra Loosemore wrote:
> This patch adds semihosting support for Nios II plus startup code and a
> linker script for bare-board emulation with QEMU. The QEMU side of things
> requires this patch set
>
> http://lists.nongnu.org/archive/html/qemu-devel/2018-05/msg04571.html
>
> The semihosting code is pretty much a direct copy of the m68k
> implementation, which was contributed by CodeSourcery years ago. We've been
> using this protocol in our toolchain distributions for Nios II for some
> years now (plus other targets we've been asked to produce toolchains for
> that don't already have some other semihosting protocol supported by other
> tools).
>
> -Sandra
> 2018-08-02 Sandra Loosemore <sandra@codesourcery.com>
>
> Add libgloss BSP for Nios II QEMU with semihosting.
>
> libgloss/
> * configure.in: Add nios2.
> * configure: Regenerated.
> * nios2/*: New.
> diff --git a/libgloss/configure b/libgloss/configure
> index aa6f8f8..1a4033d 100755
> --- a/libgloss/configure
> +++ b/libgloss/configure
> @@ -710,6 +710,7 @@ spu
> tic6x
> iq2000
> or1k
> +nios2
> libnosys'
>
> # Initialize some variables set by options.
> @@ -2586,6 +2587,10 @@ case "${target}" in
> subdirs="$subdirs or1k"
>
> ;;
> + nios2-*-*)
> + subdirs="$subdirs nios2"
> +
> + ;;
> esac
>
>
> diff --git a/libgloss/configure.in b/libgloss/configure.in
> index 6da1643..41843ee 100644
> --- a/libgloss/configure.in
> +++ b/libgloss/configure.in
> @@ -176,6 +176,9 @@ case "${target}" in
> or1k-*-* | or1knd-*-* )
> AC_CONFIG_SUBDIRS([or1k])
> ;;
> + nios2-*-*)
> + AC_CONFIG_SUBDIRS([nios2])
> + ;;
> esac
>
> dnl For now, don't bother configuring testsuite
> diff --git a/libgloss/nios2/Makefile.in b/libgloss/nios2/Makefile.in
> new file mode 100644
> index 0000000..fd7e79f
> --- /dev/null
> +++ b/libgloss/nios2/Makefile.in
> @@ -0,0 +1,118 @@
> +# Copyright (c) 1995, 1996, 2001 Cygnus Support -*- mode:makefile -*-
> +# Copyright (c) 2018, Mentor Graphics
> +#
> +# The authors hereby grant permission to use, copy, modify, distribute,
> +# and license this software and its documentation for any purpose, provided
> +# that existing copyright notices are retained in all copies and that this
> +# notice is included verbatim in any distributions. No written agreement,
> +# license, or royalty fee is required for any of the authorized uses.
> +# Modifications to this software may be copyrighted by their authors
> +# and need not follow the licensing terms described here, provided that
> +# the new terms are clearly indicated on the first page of each file where
> +# they apply.
> +#
> +
> +DESTDIR =
> +VPATH = @srcdir@
> +srcdir = @srcdir@
> +objdir = .
> +srcroot = $(srcdir)/../..
> +objroot = $(objdir)/../..
> +
> +prefix = @prefix@
> +exec_prefix = @exec_prefix@
> +
> +host_alias = @host_alias@
> +target_alias = @target_alias@
> +program_transform_name = @program_transform_name@
> +
> +bindir = @bindir@
> +libdir = @libdir@
> +tooldir = $(exec_prefix)/$(target_alias)
> +
> +# Multilib support variables.
> +# TOP is used instead of MULTI{BUILD,SRC}TOP.
> +MULTIDIRS =
> +MULTISUBDIR =
> +MULTIDO = true
> +MULTICLEAN = true
> +
> +INSTALL = @INSTALL@
> +INSTALL_PROGRAM = @INSTALL_PROGRAM@
> +INSTALL_DATA = @INSTALL_DATA@
> +
> +SHELL = /bin/sh
> +
> +CC = @CC@
> +
> +AS = @AS@
> +AR = @AR@
> +LD = @LD@
> +RANLIB = @RANLIB@
> +AR_FLAGS = qv
> +
> +OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
> + then echo ${objroot}/../binutils/objdump ; \
> + else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
> +OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
> + then echo ${objroot}/../binutils/objcopy ; \
> + else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
> +
> +# Linker scripts.
> +
> +BSP_SCRIPTS= qemu-hosted.ld
> +
> +# Semihosting library.
> +
> +HOSTED_BSP= libnios2.a
> +HOSTED_OBJS= io-gdb.o io-exit.o \
> + io-close.o io-fstat.o \
> + io-gettimeofday.o io-isatty.o io-lseek.o \
> + io-open.o io-read.o io-rename.o \
> + io-stat.o io-system.o io-time.o \
> + io-unlink.o io-write.o \
> + sbrk.o kill.o getpid.o
> +
> +# Host specific makefile fragment comes in here.
> +@host_makefile_frag@
> +
> +all :: ${HOSTED_BSP}
> +
> +# Build semihosting library.
> +crt0.o: crt0.S
> + $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) -c $< -o $@
> +io-nios2.o: io-nios2.S
> + $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) -c $< -o $@
> +$(HOSTED_OBJS): %.o: %.c io.h
> + $(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) -DHOSTED=1 $(INCLUDES) -c $< -o $@
> +$(HOSTED_BSP): crt0.o io-nios2.o $(HOSTED_OBJS) $(OTHER_OBJS)
> + ${AR} ${ARFLAGS} $@ $^
> + ${RANLIB} $@
> +
> +
> +.PHONY: install info dvi doc install-info clean-info
> +install::
> + $(INSTALL_DATA) $(HOSTED_BSP) \
> + $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}
> + for x in ${BSP_SCRIPTS}; do\
> + ${INSTALL_DATA} ${srcdir}/$${x} $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; \
> + done
> +
> +# target specific makefile fragment comes in here.
> +@target_makefile_frag@
> +
> +clean mostlyclean:
> + rm -f a.out core *.i *~ *.a *.o *-test *.srec *.dis *.x *.map
> +
> +distclean maintainer-clean realclean: clean
> + rm -f Makefile config.cache config.log config.status
> +
> +info dvi doc:
> +install-info:
> +clean-info:
> +
> +Makefile: Makefile.in config.status @host_makefile_frag_path@ @target_makefile_frag_path@
> + $(SHELL) config.status
> +
> +config.status: configure
> + $(SHELL) config.status --recheck
> diff --git a/libgloss/nios2/aclocal.m4 b/libgloss/nios2/aclocal.m4
> new file mode 100644
> index 0000000..b6cdfae
> --- /dev/null
> +++ b/libgloss/nios2/aclocal.m4
> @@ -0,0 +1,344 @@
> +# generated automatically by aclocal 1.9.5 -*- Autoconf -*-
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> +# This file is free software; the Free Software Foundation
> +# gives unlimited permission to copy and/or distribute it,
> +# with or without modifications, as long as this notice is preserved.
> +
> +# This program is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
> +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
> +# PARTICULAR PURPOSE.
> +
> +# AM_CONDITIONAL -*- Autoconf -*-
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> +# Free Software Foundation, Inc.
> +#
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> +# gives unlimited permission to copy and/or distribute it,
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> +# Free Software Foundation, Inc.
> +#
> +# This file is free software; the Free Software Foundation
> +# gives unlimited permission to copy and/or distribute it,
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> + # that says an option was ignored or not supported.
> + # When given -MP, icc 7.0 and 7.1 complain thusly:
> + # icc: Command line warning: ignoring option '-M'; no argument required
> + # The diagnosis changed in icc 8.0:
> + # icc: Command line remark: option '-MP' not supported
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> + am_cv_$1_dependencies_compiler_type=$depmode
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> +
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> +# Generate code to set up dependency tracking. -*- Autoconf -*-
> +
> +# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
> +# Free Software Foundation, Inc.
> +#
> +# This file is free software; the Free Software Foundation
> +# gives unlimited permission to copy and/or distribute it,
> +# with or without modifications, as long as this notice is preserved.
> +
> +#serial 3
> +
> +# _AM_OUTPUT_DEPENDENCY_COMMANDS
> +# ------------------------------
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> +[for mf in $CONFIG_FILES; do
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> + # Check whether this is an Automake generated Makefile or not.
> + # We used to match only the files named `Makefile.in', but
> + # some people rename them; so instead we look at the file content.
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> + # expansion.
> + for file in `sed -n "
> + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
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> +
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> +#
> +# This file is free software; the Free Software Foundation
> +# gives unlimited permission to copy and/or distribute it,
> +# with or without modifications, as long as this notice is preserved.
> +
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> + am__leading_dot=_
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> +# Check to see how 'make' treats includes. -*- Autoconf -*-
> +
> +# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
> +#
> +# This file is free software; the Free Software Foundation
> +# gives unlimited permission to copy and/or distribute it,
> +# with or without modifications, as long as this notice is preserved.
> +
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> +
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> +AC_DEFUN([AM_MAKE_INCLUDE],
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> +# In particular we don't look at `^make:' because GNU make might
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> +if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
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> +if test "$am__include" = "#"; then
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> + am__quote="\""
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> +fi
> +AC_SUBST([am__include])
> +AC_SUBST([am__quote])
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> +rm -f confinc confmf
> +])
> +
> +m4_include([../acinclude.m4])
> diff --git a/libgloss/nios2/configure b/libgloss/nios2/configure
> new file mode 100755
> index 0000000..7b64f8f
> --- /dev/null
> +++ b/libgloss/nios2/configure
> @@ -0,0 +1,3850 @@
> +#! /bin/sh
> +# Guess values for system-dependent variables and create Makefiles.
> +# Generated by GNU Autoconf 2.68.
> +#
> +#
> +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
> +# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
> +# Foundation, Inc.
> +#
> +#
> +# This configure script is free software; the Free Software Foundation
> +# gives unlimited permission to copy, distribute and modify it.
> +## -------------------- ##
> +## M4sh Initialization. ##
> +## -------------------- ##
> +
> +# Be more Bourne compatible
> +DUALCASE=1; export DUALCASE # for MKS sh
> +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
> + emulate sh
> + NULLCMD=:
> + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
> + # is contrary to our usage. Disable this feature.
> + alias -g '${1+"$@"}'='"$@"'
> + setopt NO_GLOB_SUBST
> +else
> + case `(set -o) 2>/dev/null` in #(
> + *posix*) :
> + set -o posix ;; #(
> + *) :
> + ;;
> +esac
> +fi
> +
> +
> +as_nl='
> +'
> +export as_nl
> +# Printing a long string crashes Solaris 7 /usr/bin/printf.
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> +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
> +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
> +# Prefer a ksh shell builtin over an external printf program on Solaris,
> +# but without wasting forks for bash or zsh.
> +if test -z "$BASH_VERSION$ZSH_VERSION" \
> + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
> + as_echo='print -r --'
> + as_echo_n='print -rn --'
> +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
> + as_echo='printf %s\n'
> + as_echo_n='printf %s'
> +else
> + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
> + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
> + as_echo_n='/usr/ucb/echo -n'
> + else
> + as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
> + as_echo_n_body='eval
> + arg=$1;
> + case $arg in #(
> + *"$as_nl"*)
> + expr "X$arg" : "X\\(.*\\)$as_nl";
> + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
> + esac;
> + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
> + '
> + export as_echo_n_body
> + as_echo_n='sh -c $as_echo_n_body as_echo'
> + fi
> + export as_echo_body
> + as_echo='sh -c $as_echo_body as_echo'
> +fi
> +
> +# The user is always right.
> +if test "${PATH_SEPARATOR+set}" != set; then
> + PATH_SEPARATOR=:
> + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
> + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
> + PATH_SEPARATOR=';'
> + }
> +fi
> +
> +
> +# IFS
> +# We need space, tab and new line, in precisely that order. Quoting is
> +# there to prevent editors from complaining about space-tab.
> +# (If _AS_PATH_WALK were called with IFS unset, it would disable word
> +# splitting by setting IFS to empty value.)
> +IFS=" "" $as_nl"
> +
> +# Find who we are. Look in the path if we contain no directory separator.
> +as_myself=
> +case $0 in #((
> + *[\\/]* ) as_myself=$0 ;;
> + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> +for as_dir in $PATH
> +do
> + IFS=$as_save_IFS
> + test -z "$as_dir" && as_dir=.
> + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
> + done
> +IFS=$as_save_IFS
> +
> + ;;
> +esac
> +# We did not find ourselves, most probably we were run as `sh COMMAND'
> +# in which case we are not to be found in the path.
> +if test "x$as_myself" = x; then
> + as_myself=$0
> +fi
> +if test ! -f "$as_myself"; then
> + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
> + exit 1
> +fi
> +
> +# Unset variables that we do not need and which cause bugs (e.g. in
> +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1"
> +# suppresses any "Segmentation fault" message there. '((' could
> +# trigger a bug in pdksh 5.2.14.
> +for as_var in BASH_ENV ENV MAIL MAILPATH
> +do eval test x\${$as_var+set} = xset \
> + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
> +done
> +PS1='$ '
> +PS2='> '
> +PS4='+ '
> +
> +# NLS nuisances.
> +LC_ALL=C
> +export LC_ALL
> +LANGUAGE=C
> +export LANGUAGE
> +
> +# CDPATH.
> +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
> +
> +if test "x$CONFIG_SHELL" = x; then
> + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
> + emulate sh
> + NULLCMD=:
> + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
> + # is contrary to our usage. Disable this feature.
> + alias -g '\${1+\"\$@\"}'='\"\$@\"'
> + setopt NO_GLOB_SUBST
> +else
> + case \`(set -o) 2>/dev/null\` in #(
> + *posix*) :
> + set -o posix ;; #(
> + *) :
> + ;;
> +esac
> +fi
> +"
> + as_required="as_fn_return () { (exit \$1); }
> +as_fn_success () { as_fn_return 0; }
> +as_fn_failure () { as_fn_return 1; }
> +as_fn_ret_success () { return 0; }
> +as_fn_ret_failure () { return 1; }
> +
> +exitcode=0
> +as_fn_success || { exitcode=1; echo as_fn_success failed.; }
> +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
> +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
> +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
> +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
> +
> +else
> + exitcode=1; echo positional parameters were not saved.
> +fi
> +test x\$exitcode = x0 || exit 1"
> + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
> + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
> + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
> + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1"
> + if (eval "$as_required") 2>/dev/null; then :
> + as_have_required=yes
> +else
> + as_have_required=no
> +fi
> + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
> +
> +else
> + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> +as_found=false
> +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
> +do
> + IFS=$as_save_IFS
> + test -z "$as_dir" && as_dir=.
> + as_found=:
> + case $as_dir in #(
> + /*)
> + for as_base in sh bash ksh sh5; do
> + # Try only shells that exist, to save several forks.
> + as_shell=$as_dir/$as_base
> + if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
> + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
> + CONFIG_SHELL=$as_shell as_have_required=yes
> + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
> + break 2
> +fi
> +fi
> + done;;
> + esac
> + as_found=false
> +done
> +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
> + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
> + CONFIG_SHELL=$SHELL as_have_required=yes
> +fi; }
> +IFS=$as_save_IFS
> +
> +
> + if test "x$CONFIG_SHELL" != x; then :
> + # We cannot yet assume a decent shell, so we have to provide a
> + # neutralization value for shells without unset; and this also
> + # works around shells that cannot unset nonexistent variables.
> + # Preserve -v and -x to the replacement shell.
> + BASH_ENV=/dev/null
> + ENV=/dev/null
> + (unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
> + export CONFIG_SHELL
> + case $- in # ((((
> + *v*x* | *x*v* ) as_opts=-vx ;;
> + *v* ) as_opts=-v ;;
> + *x* ) as_opts=-x ;;
> + * ) as_opts= ;;
> + esac
> + exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"}
> +fi
> +
> + if test x$as_have_required = xno; then :
> + $as_echo "$0: This script requires a shell more modern than all"
> + $as_echo "$0: the shells that I found on your system."
> + if test x${ZSH_VERSION+set} = xset ; then
> + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
> + $as_echo "$0: be upgraded to zsh 4.3.4 or later."
> + else
> + $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
> +$0: including any error possibly output before this
> +$0: message. Then install a modern shell, or manually run
> +$0: the script under such a shell if you do have one."
> + fi
> + exit 1
> +fi
> +fi
> +fi
> +SHELL=${CONFIG_SHELL-/bin/sh}
> +export SHELL
> +# Unset more variables known to interfere with behavior of common tools.
> +CLICOLOR_FORCE= GREP_OPTIONS=
> +unset CLICOLOR_FORCE GREP_OPTIONS
> +
> +## --------------------- ##
> +## M4sh Shell Functions. ##
> +## --------------------- ##
> +# as_fn_unset VAR
> +# ---------------
> +# Portably unset VAR.
> +as_fn_unset ()
> +{
> + { eval $1=; unset $1;}
> +}
> +as_unset=as_fn_unset
> +
> +# as_fn_set_status STATUS
> +# -----------------------
> +# Set $? to STATUS, without forking.
> +as_fn_set_status ()
> +{
> + return $1
> +} # as_fn_set_status
> +
> +# as_fn_exit STATUS
> +# -----------------
> +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
> +as_fn_exit ()
> +{
> + set +e
> + as_fn_set_status $1
> + exit $1
> +} # as_fn_exit
> +
> +# as_fn_mkdir_p
> +# -------------
> +# Create "$as_dir" as a directory, including parents if necessary.
> +as_fn_mkdir_p ()
> +{
> +
> + case $as_dir in #(
> + -*) as_dir=./$as_dir;;
> + esac
> + test -d "$as_dir" || eval $as_mkdir_p || {
> + as_dirs=
> + while :; do
> + case $as_dir in #(
> + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
> + *) as_qdir=$as_dir;;
> + esac
> + as_dirs="'$as_qdir' $as_dirs"
> + as_dir=`$as_dirname -- "$as_dir" ||
> +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
> + X"$as_dir" : 'X\(//\)[^/]' \| \
> + X"$as_dir" : 'X\(//\)$' \| \
> + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
> +$as_echo X"$as_dir" |
> + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
> + s//\1/
> + q
> + }
> + /^X\(\/\/\)[^/].*/{
> + s//\1/
> + q
> + }
> + /^X\(\/\/\)$/{
> + s//\1/
> + q
> + }
> + /^X\(\/\).*/{
> + s//\1/
> + q
> + }
> + s/.*/./; q'`
> + test -d "$as_dir" && break
> + done
> + test -z "$as_dirs" || eval "mkdir $as_dirs"
> + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
> +
> +
> +} # as_fn_mkdir_p
> +# as_fn_append VAR VALUE
> +# ----------------------
> +# Append the text in VALUE to the end of the definition contained in VAR. Take
> +# advantage of any shell optimizations that allow amortized linear growth over
> +# repeated appends, instead of the typical quadratic growth present in naive
> +# implementations.
> +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
> + eval 'as_fn_append ()
> + {
> + eval $1+=\$2
> + }'
> +else
> + as_fn_append ()
> + {
> + eval $1=\$$1\$2
> + }
> +fi # as_fn_append
> +
> +# as_fn_arith ARG...
> +# ------------------
> +# Perform arithmetic evaluation on the ARGs, and store the result in the
> +# global $as_val. Take advantage of shells that can avoid forks. The arguments
> +# must be portable across $(()) and expr.
> +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
> + eval 'as_fn_arith ()
> + {
> + as_val=$(( $* ))
> + }'
> +else
> + as_fn_arith ()
> + {
> + as_val=`expr "$@" || test $? -eq 1`
> + }
> +fi # as_fn_arith
> +
> +
> +# as_fn_error STATUS ERROR [LINENO LOG_FD]
> +# ----------------------------------------
> +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
> +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
> +# script with STATUS, using 1 if that was 0.
> +as_fn_error ()
> +{
> + as_status=$1; test $as_status -eq 0 && as_status=1
> + if test "$4"; then
> + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
> + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
> + fi
> + $as_echo "$as_me: error: $2" >&2
> + as_fn_exit $as_status
> +} # as_fn_error
> +
> +if expr a : '\(a\)' >/dev/null 2>&1 &&
> + test "X`expr 00001 : '.*\(...\)'`" = X001; then
> + as_expr=expr
> +else
> + as_expr=false
> +fi
> +
> +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
> + as_basename=basename
> +else
> + as_basename=false
> +fi
> +
> +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
> + as_dirname=dirname
> +else
> + as_dirname=false
> +fi
> +
> +as_me=`$as_basename -- "$0" ||
> +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
> + X"$0" : 'X\(//\)$' \| \
> + X"$0" : 'X\(/\)' \| . 2>/dev/null ||
> +$as_echo X/"$0" |
> + sed '/^.*\/\([^/][^/]*\)\/*$/{
> + s//\1/
> + q
> + }
> + /^X\/\(\/\/\)$/{
> + s//\1/
> + q
> + }
> + /^X\/\(\/\).*/{
> + s//\1/
> + q
> + }
> + s/.*/./; q'`
> +
> +# Avoid depending upon Character Ranges.
> +as_cr_letters='abcdefghijklmnopqrstuvwxyz'
> +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
> +as_cr_Letters=$as_cr_letters$as_cr_LETTERS
> +as_cr_digits='0123456789'
> +as_cr_alnum=$as_cr_Letters$as_cr_digits
> +
> +
> + as_lineno_1=$LINENO as_lineno_1a=$LINENO
> + as_lineno_2=$LINENO as_lineno_2a=$LINENO
> + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
> + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
> + # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
> + sed -n '
> + p
> + /[$]LINENO/=
> + ' <$as_myself |
> + sed '
> + s/[$]LINENO.*/&-/
> + t lineno
> + b
> + :lineno
> + N
> + :loop
> + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
> + t loop
> + s/-\n.*//
> + ' >$as_me.lineno &&
> + chmod +x "$as_me.lineno" ||
> + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
> +
> + # Don't try to exec as it changes $[0], causing all sort of problems
> + # (the dirname of $[0] is not the place where we might find the
> + # original and so on. Autoconf is especially sensitive to this).
> + . "./$as_me.lineno"
> + # Exit status is that of the last command.
> + exit
> +}
> +
> +ECHO_C= ECHO_N= ECHO_T=
> +case `echo -n x` in #(((((
> +-n*)
> + case `echo 'xy\c'` in
> + *c*) ECHO_T=' ';; # ECHO_T is single tab character.
> + xy) ECHO_C='\c';;
> + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null
> + ECHO_T=' ';;
> + esac;;
> +*)
> + ECHO_N='-n';;
> +esac
> +
> +rm -f conf$$ conf$$.exe conf$$.file
> +if test -d conf$$.dir; then
> + rm -f conf$$.dir/conf$$.file
> +else
> + rm -f conf$$.dir
> + mkdir conf$$.dir 2>/dev/null
> +fi
> +if (echo >conf$$.file) 2>/dev/null; then
> + if ln -s conf$$.file conf$$ 2>/dev/null; then
> + as_ln_s='ln -s'
> + # ... but there are two gotchas:
> + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
> + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
> + # In both cases, we have to default to `cp -p'.
> + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
> + as_ln_s='cp -p'
> + elif ln conf$$.file conf$$ 2>/dev/null; then
> + as_ln_s=ln
> + else
> + as_ln_s='cp -p'
> + fi
> +else
> + as_ln_s='cp -p'
> +fi
> +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
> +rmdir conf$$.dir 2>/dev/null
> +
> +if mkdir -p . 2>/dev/null; then
> + as_mkdir_p='mkdir -p "$as_dir"'
> +else
> + test -d ./-p && rmdir ./-p
> + as_mkdir_p=false
> +fi
> +
> +if test -x / >/dev/null 2>&1; then
> + as_test_x='test -x'
> +else
> + if ls -dL / >/dev/null 2>&1; then
> + as_ls_L_option=L
> + else
> + as_ls_L_option=
> + fi
> + as_test_x='
> + eval sh -c '\''
> + if test -d "$1"; then
> + test -d "$1/.";
> + else
> + case $1 in #(
> + -*)set "./$1";;
> + esac;
> + case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
> + ???[sx]*):;;*)false;;esac;fi
> + '\'' sh
> + '
> +fi
> +as_executable_p=$as_test_x
> +
> +# Sed expression to map a string onto a valid CPP name.
> +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
> +
> +# Sed expression to map a string onto a valid variable name.
> +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
> +
> +
> +test -n "$DJDIR" || exec 7<&0 </dev/null
> +exec 6>&1
> +
> +# Name of the host.
> +# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
> +# so uname gets run too.
> +ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
> +
> +#
> +# Initializations.
> +#
> +ac_default_prefix=/usr/local
> +ac_clean_files=
> +ac_config_libobj_dir=.
> +LIBOBJS=
> +cross_compiling=no
> +subdirs=
> +MFLAGS=
> +MAKEFLAGS=
> +
> +# Identity of this package.
> +PACKAGE_NAME=
> +PACKAGE_TARNAME=
> +PACKAGE_VERSION=
> +PACKAGE_STRING=
> +PACKAGE_BUGREPORT=
> +PACKAGE_URL=
> +
> +ac_unique_file="crt0.S"
> +ac_subst_vars='LTLIBOBJS
> +LIBOBJS
> +target_makefile_frag_path
> +host_makefile_frag_path
> +CCASFLAGS
> +CCAS
> +RANLIB
> +LD
> +AR
> +AS
> +am__fastdepCC_FALSE
> +am__fastdepCC_TRUE
> +CCDEPMODE
> +AMDEPBACKSLASH
> +AMDEP_FALSE
> +AMDEP_TRUE
> +am__quote
> +am__include
> +DEPDIR
> +am__leading_dot
> +CC
> +INSTALL_DATA
> +INSTALL_SCRIPT
> +INSTALL_PROGRAM
> +target_os
> +target_vendor
> +target_cpu
> +target
> +host_os
> +host_vendor
> +host_cpu
> +host
> +build_os
> +build_vendor
> +build_cpu
> +build
> +target_alias
> +host_alias
> +build_alias
> +LIBS
> +ECHO_T
> +ECHO_N
> +ECHO_C
> +DEFS
> +mandir
> +localedir
> +libdir
> +psdir
> +pdfdir
> +dvidir
> +htmldir
> +infodir
> +docdir
> +oldincludedir
> +includedir
> +localstatedir
> +sharedstatedir
> +sysconfdir
> +datadir
> +datarootdir
> +libexecdir
> +sbindir
> +bindir
> +program_transform_name
> +prefix
> +exec_prefix
> +PACKAGE_URL
> +PACKAGE_BUGREPORT
> +PACKAGE_STRING
> +PACKAGE_VERSION
> +PACKAGE_TARNAME
> +PACKAGE_NAME
> +PATH_SEPARATOR
> +SHELL'
> +ac_subst_files='host_makefile_frag
> +target_makefile_frag'
> +ac_user_opts='
> +enable_option_checking
> +enable_dependency_tracking
> +'
> + ac_precious_vars='build_alias
> +host_alias
> +target_alias
> +CCAS
> +CCASFLAGS'
> +
> +
> +# Initialize some variables set by options.
> +ac_init_help=
> +ac_init_version=false
> +ac_unrecognized_opts=
> +ac_unrecognized_sep=
> +# The variables have the same names as the options, with
> +# dashes changed to underlines.
> +cache_file=/dev/null
> +exec_prefix=NONE
> +no_create=
> +no_recursion=
> +prefix=NONE
> +program_prefix=NONE
> +program_suffix=NONE
> +program_transform_name=s,x,x,
> +silent=
> +site=
> +srcdir=
> +verbose=
> +x_includes=NONE
> +x_libraries=NONE
> +
> +# Installation directory options.
> +# These are left unexpanded so users can "make install exec_prefix=/foo"
> +# and all the variables that are supposed to be based on exec_prefix
> +# by default will actually change.
> +# Use braces instead of parens because sh, perl, etc. also accept them.
> +# (The list follows the same order as the GNU Coding Standards.)
> +bindir='${exec_prefix}/bin'
> +sbindir='${exec_prefix}/sbin'
> +libexecdir='${exec_prefix}/libexec'
> +datarootdir='${prefix}/share'
> +datadir='${datarootdir}'
> +sysconfdir='${prefix}/etc'
> +sharedstatedir='${prefix}/com'
> +localstatedir='${prefix}/var'
> +includedir='${prefix}/include'
> +oldincludedir='/usr/include'
> +docdir='${datarootdir}/doc/${PACKAGE}'
> +infodir='${datarootdir}/info'
> +htmldir='${docdir}'
> +dvidir='${docdir}'
> +pdfdir='${docdir}'
> +psdir='${docdir}'
> +libdir='${exec_prefix}/lib'
> +localedir='${datarootdir}/locale'
> +mandir='${datarootdir}/man'
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> +ac_prev=
> +ac_dashdash=
> +for ac_option
> +do
> + # If the previous option needs an argument, assign it.
> + if test -n "$ac_prev"; then
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> +
> + case $ac_option in
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> + *=) ac_optarg= ;;
> + *) ac_optarg=yes ;;
> + esac
> +
> + # Accept the important Cygnus configure options, so we can diagnose typos.
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> + ac_dashdash=yes ;;
> +
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> + bindir=$ac_optarg ;;
> +
> + -build | --build | --buil | --bui | --bu)
> + ac_prev=build_alias ;;
> + -build=* | --build=* | --buil=* | --bui=* | --bu=*)
> + build_alias=$ac_optarg ;;
> +
> + -cache-file | --cache-file | --cache-fil | --cache-fi \
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> + -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
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> + cache_file=$ac_optarg ;;
> +
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> +
> + -datadir | --datadir | --datadi | --datad)
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> + -datadir=* | --datadir=* | --datadi=* | --datad=*)
> + datadir=$ac_optarg ;;
> +
> + -datarootdir | --datarootdir | --datarootdi | --datarootd | --dataroot \
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> + ac_prev=datarootdir ;;
> + -datarootdir=* | --datarootdir=* | --datarootdi=* | --datarootd=* \
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> + datarootdir=$ac_optarg ;;
> +
> + -disable-* | --disable-*)
> + ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
> + # Reject names that are not valid shell variable names.
> + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
> + as_fn_error $? "invalid feature name: $ac_useropt"
> + ac_useropt_orig=$ac_useropt
> + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
> + case $ac_user_opts in
> + *"
> +"enable_$ac_useropt"
> +"*) ;;
> + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
> + ac_unrecognized_sep=', ';;
> + esac
> + eval enable_$ac_useropt=no ;;
> +
> + -docdir | --docdir | --docdi | --doc | --do)
> + ac_prev=docdir ;;
> + -docdir=* | --docdir=* | --docdi=* | --doc=* | --do=*)
> + docdir=$ac_optarg ;;
> +
> + -dvidir | --dvidir | --dvidi | --dvid | --dvi | --dv)
> + ac_prev=dvidir ;;
> + -dvidir=* | --dvidir=* | --dvidi=* | --dvid=* | --dvi=* | --dv=*)
> + dvidir=$ac_optarg ;;
> +
> + -enable-* | --enable-*)
> + ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
> + # Reject names that are not valid shell variable names.
> + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
> + as_fn_error $? "invalid feature name: $ac_useropt"
> + ac_useropt_orig=$ac_useropt
> + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
> + case $ac_user_opts in
> + *"
> +"enable_$ac_useropt"
> +"*) ;;
> + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
> + ac_unrecognized_sep=', ';;
> + esac
> + eval enable_$ac_useropt=\$ac_optarg ;;
> +
> + -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
> + | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
> + | --exec | --exe | --ex)
> + ac_prev=exec_prefix ;;
> + -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
> + | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
> + | --exec=* | --exe=* | --ex=*)
> + exec_prefix=$ac_optarg ;;
> +
> + -gas | --gas | --ga | --g)
> + # Obsolete; use --with-gas.
> + with_gas=yes ;;
> +
> + -help | --help | --hel | --he | -h)
> + ac_init_help=long ;;
> + -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
> + ac_init_help=recursive ;;
> + -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
> + ac_init_help=short ;;
> +
> + -host | --host | --hos | --ho)
> + ac_prev=host_alias ;;
> + -host=* | --host=* | --hos=* | --ho=*)
> + host_alias=$ac_optarg ;;
> +
> + -htmldir | --htmldir | --htmldi | --htmld | --html | --htm | --ht)
> + ac_prev=htmldir ;;
> + -htmldir=* | --htmldir=* | --htmldi=* | --htmld=* | --html=* | --htm=* \
> + | --ht=*)
> + htmldir=$ac_optarg ;;
> +
> + -includedir | --includedir | --includedi | --included | --include \
> + | --includ | --inclu | --incl | --inc)
> + ac_prev=includedir ;;
> + -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
> + | --includ=* | --inclu=* | --incl=* | --inc=*)
> + includedir=$ac_optarg ;;
> +
> + -infodir | --infodir | --infodi | --infod | --info | --inf)
> + ac_prev=infodir ;;
> + -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
> + infodir=$ac_optarg ;;
> +
> + -libdir | --libdir | --libdi | --libd)
> + ac_prev=libdir ;;
> + -libdir=* | --libdir=* | --libdi=* | --libd=*)
> + libdir=$ac_optarg ;;
> +
> + -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
> + | --libexe | --libex | --libe)
> + ac_prev=libexecdir ;;
> + -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
> + | --libexe=* | --libex=* | --libe=*)
> + libexecdir=$ac_optarg ;;
> +
> + -localedir | --localedir | --localedi | --localed | --locale)
> + ac_prev=localedir ;;
> + -localedir=* | --localedir=* | --localedi=* | --localed=* | --locale=*)
> + localedir=$ac_optarg ;;
> +
> + -localstatedir | --localstatedir | --localstatedi | --localstated \
> + | --localstate | --localstat | --localsta | --localst | --locals)
> + ac_prev=localstatedir ;;
> + -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
> + | --localstate=* | --localstat=* | --localsta=* | --localst=* | --locals=*)
> + localstatedir=$ac_optarg ;;
> +
> + -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
> + ac_prev=mandir ;;
> + -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
> + mandir=$ac_optarg ;;
> +
> + -nfp | --nfp | --nf)
> + # Obsolete; use --without-fp.
> + with_fp=no ;;
> +
> + -no-create | --no-create | --no-creat | --no-crea | --no-cre \
> + | --no-cr | --no-c | -n)
> + no_create=yes ;;
> +
> + -no-recursion | --no-recursion | --no-recursio | --no-recursi \
> + | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
> + no_recursion=yes ;;
> +
> + -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
> + | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
> + | --oldin | --oldi | --old | --ol | --o)
> + ac_prev=oldincludedir ;;
> + -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
> + | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
> + | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
> + oldincludedir=$ac_optarg ;;
> +
> + -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
> + ac_prev=prefix ;;
> + -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
> + prefix=$ac_optarg ;;
> +
> + -program-prefix | --program-prefix | --program-prefi | --program-pref \
> + | --program-pre | --program-pr | --program-p)
> + ac_prev=program_prefix ;;
> + -program-prefix=* | --program-prefix=* | --program-prefi=* \
> + | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
> + program_prefix=$ac_optarg ;;
> +
> + -program-suffix | --program-suffix | --program-suffi | --program-suff \
> + | --program-suf | --program-su | --program-s)
> + ac_prev=program_suffix ;;
> + -program-suffix=* | --program-suffix=* | --program-suffi=* \
> + | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
> + program_suffix=$ac_optarg ;;
> +
> + -program-transform-name | --program-transform-name \
> + | --program-transform-nam | --program-transform-na \
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> + | --program-transform | --program-transfor \
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> + | --progr-tra | --program-tr | --program-t)
> + ac_prev=program_transform_name ;;
> + -program-transform-name=* | --program-transform-name=* \
> + | --program-transform-nam=* | --program-transform-na=* \
> + | --program-transform-n=* | --program-transform-=* \
> + | --program-transform=* | --program-transfor=* \
> + | --program-transfo=* | --program-transf=* \
> + | --program-trans=* | --program-tran=* \
> + | --progr-tra=* | --program-tr=* | --program-t=*)
> + program_transform_name=$ac_optarg ;;
> +
> + -pdfdir | --pdfdir | --pdfdi | --pdfd | --pdf | --pd)
> + ac_prev=pdfdir ;;
> + -pdfdir=* | --pdfdir=* | --pdfdi=* | --pdfd=* | --pdf=* | --pd=*)
> + pdfdir=$ac_optarg ;;
> +
> + -psdir | --psdir | --psdi | --psd | --ps)
> + ac_prev=psdir ;;
> + -psdir=* | --psdir=* | --psdi=* | --psd=* | --ps=*)
> + psdir=$ac_optarg ;;
> +
> + -q | -quiet | --quiet | --quie | --qui | --qu | --q \
> + | -silent | --silent | --silen | --sile | --sil)
> + silent=yes ;;
> +
> + -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
> + ac_prev=sbindir ;;
> + -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
> + | --sbi=* | --sb=*)
> + sbindir=$ac_optarg ;;
> +
> + -sharedstatedir | --sharedstatedir | --sharedstatedi \
> + | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
> + | --sharedst | --shareds | --shared | --share | --shar \
> + | --sha | --sh)
> + ac_prev=sharedstatedir ;;
> + -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
> + | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
> + | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
> + | --sha=* | --sh=*)
> + sharedstatedir=$ac_optarg ;;
> +
> + -site | --site | --sit)
> + ac_prev=site ;;
> + -site=* | --site=* | --sit=*)
> + site=$ac_optarg ;;
> +
> + -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
> + ac_prev=srcdir ;;
> + -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
> + srcdir=$ac_optarg ;;
> +
> + -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
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> + ac_prev=sysconfdir ;;
> + -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
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> + sysconfdir=$ac_optarg ;;
> +
> + -target | --target | --targe | --targ | --tar | --ta | --t)
> + ac_prev=target_alias ;;
> + -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
> + target_alias=$ac_optarg ;;
> +
> + -v | -verbose | --verbose | --verbos | --verbo | --verb)
> + verbose=yes ;;
> +
> + -version | --version | --versio | --versi | --vers | -V)
> + ac_init_version=: ;;
> +
> + -with-* | --with-*)
> + ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
> + # Reject names that are not valid shell variable names.
> + expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
> + as_fn_error $? "invalid package name: $ac_useropt"
> + ac_useropt_orig=$ac_useropt
> + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
> + case $ac_user_opts in
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> +"with_$ac_useropt"
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> + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
> + ac_unrecognized_sep=', ';;
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> + eval with_$ac_useropt=\$ac_optarg ;;
> +
> + -without-* | --without-*)
> + ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
> + # Reject names that are not valid shell variable names.
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> + as_fn_error $? "invalid package name: $ac_useropt"
> + ac_useropt_orig=$ac_useropt
> + ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
> + case $ac_user_opts in
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> +"with_$ac_useropt"
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> + *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
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> + esac
> + eval with_$ac_useropt=no ;;
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> +
> + -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
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> + -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
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> + x_includes=$ac_optarg ;;
> +
> + -x-libraries | --x-libraries | --x-librarie | --x-librari \
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> + *)
> + # FIXME: should be removed in autoconf 3.0.
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> + esac
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> + fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
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> +# Check all directory arguments for consistency.
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> +# There might be people who depend on the old broken behavior: `$host'
> +# used to hold the argument of --host etc.
> +# FIXME: To remove some day.
> +build=$build_alias
> +host=$host_alias
> +target=$target_alias
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> +# FIXME: To remove some day.
> +if test "x$host_alias" != x; then
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> + $as_echo "$as_me: WARNING: if you wanted to set the --build type, don't use --host.
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> + # Try the directory containing this script, then the parent directory.
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> +if test ! -r "$srcdir/$ac_unique_file"; then
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> +ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
> +ac_abs_confdir=`(
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> +# Remove unnecessary trailing slashes from srcdir.
> +# Double slashes in file names in object file debugging info
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> +\`configure' configures this package to adapt to many kinds of systems.
> +
> +Usage: $0 [OPTION]... [VAR=VALUE]...
> +
> +To assign environment variables (e.g., CC, CFLAGS...), specify them as
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> + --dvidir=DIR dvi documentation [DOCDIR]
> + --pdfdir=DIR pdf documentation [DOCDIR]
> + --psdir=DIR ps documentation [DOCDIR]
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> + cat <<\_ACEOF
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> + --target=TARGET configure for building compilers for TARGET [HOST]
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> +Use these variables to override the choices made by `configure' or to help
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> +configure
> +generated by GNU Autoconf 2.68
> +
> +Copyright (C) 2010 Free Software Foundation, Inc.
> +This configure script is free software; the Free Software Foundation
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> + fi
> +done
> +if $ac_cache_corrupted; then
> + { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
> +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
> + { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
> +$as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
> + as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
> +fi
> +## -------------------- ##
> +## Main body of script. ##
> +## -------------------- ##
> +
> +ac_ext=c
> +ac_cpp='$CPP $CPPFLAGS'
> +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
> +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
> +ac_compiler_gnu=$ac_cv_c_compiler_gnu
> +
> +
> +
> +if test "${enable_shared}" = "yes" ; then
> + echo "Shared libraries not supported for cross compiling, ignored"
> +fi
> +
> +if test "$srcdir" = "." ; then
> + if test "${with_target_subdir}" != "." ; then
> + libgloss_topdir="${with_multisrctop}../../.."
> + else
> + libgloss_topdir="${with_multisrctop}../.."
> + fi
> +else
> + libgloss_topdir="${srcdir}/../.."
> +fi
> +ac_aux_dir=
> +for ac_dir in $libgloss_topdir "$srcdir"/$libgloss_topdir; do
> + if test -f "$ac_dir/install-sh"; then
> + ac_aux_dir=$ac_dir
> + ac_install_sh="$ac_aux_dir/install-sh -c"
> + break
> + elif test -f "$ac_dir/install.sh"; then
> + ac_aux_dir=$ac_dir
> + ac_install_sh="$ac_aux_dir/install.sh -c"
> + break
> + elif test -f "$ac_dir/shtool"; then
> + ac_aux_dir=$ac_dir
> + ac_install_sh="$ac_aux_dir/shtool install -c"
> + break
> + fi
> +done
> +if test -z "$ac_aux_dir"; then
> + as_fn_error $? "cannot find install-sh, install.sh, or shtool in $libgloss_topdir \"$srcdir\"/$libgloss_topdir" "$LINENO" 5
> +fi
> +
> +# These three variables are undocumented and unsupported,
> +# and are intended to be withdrawn in a future Autoconf release.
> +# They can cause serious problems if a builder's source tree is in a directory
> +# whose full name contains unusual characters.
> +ac_config_guess="$SHELL $ac_aux_dir/config.guess" # Please don't use this var.
> +ac_config_sub="$SHELL $ac_aux_dir/config.sub" # Please don't use this var.
> +ac_configure="$SHELL $ac_aux_dir/configure" # Please don't use this var.
> +
> +
> +
> +# Make sure we can run config.sub.
> +$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
> + as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
> +
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
> +$as_echo_n "checking build system type... " >&6; }
> +if ${ac_cv_build+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + ac_build_alias=$build_alias
> +test "x$ac_build_alias" = x &&
> + ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
> +test "x$ac_build_alias" = x &&
> + as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
> +ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
> + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
> +
> +fi
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
> +$as_echo "$ac_cv_build" >&6; }
> +case $ac_cv_build in
> +*-*-*) ;;
> +*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
> +esac
> +build=$ac_cv_build
> +ac_save_IFS=$IFS; IFS='-'
> +set x $ac_cv_build
> +shift
> +build_cpu=$1
> +build_vendor=$2
> +shift; shift
> +# Remember, the first character of IFS is used to create $*,
> +# except with old shells:
> +build_os=$*
> +IFS=$ac_save_IFS
> +case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
> +
> +
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
> +$as_echo_n "checking host system type... " >&6; }
> +if ${ac_cv_host+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + if test "x$host_alias" = x; then
> + ac_cv_host=$ac_cv_build
> +else
> + ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
> + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
> +fi
> +
> +fi
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
> +$as_echo "$ac_cv_host" >&6; }
> +case $ac_cv_host in
> +*-*-*) ;;
> +*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
> +esac
> +host=$ac_cv_host
> +ac_save_IFS=$IFS; IFS='-'
> +set x $ac_cv_host
> +shift
> +host_cpu=$1
> +host_vendor=$2
> +shift; shift
> +# Remember, the first character of IFS is used to create $*,
> +# except with old shells:
> +host_os=$*
> +IFS=$ac_save_IFS
> +case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
> +
> +
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
> +$as_echo_n "checking target system type... " >&6; }
> +if ${ac_cv_target+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + if test "x$target_alias" = x; then
> + ac_cv_target=$ac_cv_host
> +else
> + ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` ||
> + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
> +fi
> +
> +fi
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5
> +$as_echo "$ac_cv_target" >&6; }
> +case $ac_cv_target in
> +*-*-*) ;;
> +*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;;
> +esac
> +target=$ac_cv_target
> +ac_save_IFS=$IFS; IFS='-'
> +set x $ac_cv_target
> +shift
> +target_cpu=$1
> +target_vendor=$2
> +shift; shift
> +# Remember, the first character of IFS is used to create $*,
> +# except with old shells:
> +target_os=$*
> +IFS=$ac_save_IFS
> +case $target_os in *\ *) target_os=`echo "$target_os" | sed 's/ /-/g'`;; esac
> +
> +
> +# The aliases save the names the user supplied, while $host etc.
> +# will get canonicalized.
> +test -n "$target_alias" &&
> + test "$program_prefix$program_suffix$program_transform_name" = \
> + NONENONEs,x,x, &&
> + program_prefix=${target_alias}-
> +
> +test "$program_prefix" != NONE &&
> + program_transform_name="s&^&$program_prefix&;$program_transform_name"
> +# Use a double $ so make ignores it.
> +test "$program_suffix" != NONE &&
> + program_transform_name="s&\$&$program_suffix&;$program_transform_name"
> +# Double any \ or $.
> +# By default was `s,x,x', remove it if useless.
> +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
> +program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
> +
> +
> +# Find a good install program. We prefer a C program (faster),
> +# so one script is as good as another. But avoid the broken or
> +# incompatible versions:
> +# SysV /etc/install, /usr/sbin/install
> +# SunOS /usr/etc/install
> +# IRIX /sbin/install
> +# AIX /bin/install
> +# AmigaOS /C/install, which installs bootblocks on floppy discs
> +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
> +# AFS /usr/afsws/bin/install, which mishandles nonexistent args
> +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
> +# OS/2's system install, which has a completely different semantic
> +# ./install, which can be erroneously created by make from ./install.sh.
> +# Reject install programs that cannot install multiple files.
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
> +$as_echo_n "checking for a BSD-compatible install... " >&6; }
> +if test -z "$INSTALL"; then
> +if ${ac_cv_path_install+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> +for as_dir in $PATH
> +do
> + IFS=$as_save_IFS
> + test -z "$as_dir" && as_dir=.
> + # Account for people who put trailing slashes in PATH elements.
> +case $as_dir/ in #((
> + ./ | .// | /[cC]/* | \
> + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
> + ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
> + /usr/ucb/* ) ;;
> + *)
> + # OSF1 and SCO ODT 3.0 have their own names for install.
> + # Don't use installbsd from OSF since it installs stuff as root
> + # by default.
> + for ac_prog in ginstall scoinst install; do
> + for ac_exec_ext in '' $ac_executable_extensions; do
> + if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then
> + if test $ac_prog = install &&
> + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
> + # AIX install. It has an incompatible calling convention.
> + :
> + elif test $ac_prog = install &&
> + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
> + # program-specific install script used by HP pwplus--don't use.
> + :
> + else
> + rm -rf conftest.one conftest.two conftest.dir
> + echo one > conftest.one
> + echo two > conftest.two
> + mkdir conftest.dir
> + if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
> + test -s conftest.one && test -s conftest.two &&
> + test -s conftest.dir/conftest.one &&
> + test -s conftest.dir/conftest.two
> + then
> + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
> + break 3
> + fi
> + fi
> + fi
> + done
> + done
> + ;;
> +esac
> +
> + done
> +IFS=$as_save_IFS
> +
> +rm -rf conftest.one conftest.two conftest.dir
> +
> +fi
> + if test "${ac_cv_path_install+set}" = set; then
> + INSTALL=$ac_cv_path_install
> + else
> + # As a last resort, use the slow shell script. Don't cache a
> + # value for INSTALL within a source directory, because that will
> + # break other packages using the cache if that directory is
> + # removed, or if the value is a relative name.
> + INSTALL=$ac_install_sh
> + fi
> +fi
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
> +$as_echo "$INSTALL" >&6; }
> +
> +# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
> +# It thinks the first close brace ends the variable substitution.
> +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
> +
> +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
> +
> +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
> +
> +
> +rm -rf .tst 2>/dev/null
> +mkdir .tst 2>/dev/null
> +if test -d .tst; then
> + am__leading_dot=.
> +else
> + am__leading_dot=_
> +fi
> +rmdir .tst 2>/dev/null
> +
> +DEPDIR="${am__leading_dot}deps"
> +
> +ac_config_commands="$ac_config_commands depfiles"
> +
> +
> +am_make=${MAKE-make}
> +cat > confinc << 'END'
> +am__doit:
> + @echo done
> +.PHONY: am__doit
> +END
> +# If we don't find an include directive, just comment out the code.
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
> +$as_echo_n "checking for style of include used by $am_make... " >&6; }
> +am__include="#"
> +am__quote=
> +_am_result=none
> +# First try GNU make style include.
> +echo "include confinc" > confmf
> +# We grep out `Entering directory' and `Leaving directory'
> +# messages which can occur if `w' ends up in MAKEFLAGS.
> +# In particular we don't look at `^make:' because GNU make might
> +# be invoked under some other name (usually "gmake"), in which
> +# case it prints its new name instead of `make'.
> +if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
> + am__include=include
> + am__quote=
> + _am_result=GNU
> +fi
> +# Now try BSD make style include.
> +if test "$am__include" = "#"; then
> + echo '.include "confinc"' > confmf
> + if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
> + am__include=.include
> + am__quote="\""
> + _am_result=BSD
> + fi
> +fi
> +
> +
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
> +$as_echo "$_am_result" >&6; }
> +rm -f confinc confmf
> +
> +# Check whether --enable-dependency-tracking was given.
> +if test "${enable_dependency_tracking+set}" = set; then :
> + enableval=$enable_dependency_tracking;
> +fi
> +
> +if test "x$enable_dependency_tracking" != xno; then
> + am_depcomp="$ac_aux_dir/depcomp"
> + AMDEPBACKSLASH='\'
> +fi
> +
> +
> +if test "x$enable_dependency_tracking" != xno; then
> + AMDEP_TRUE=
> + AMDEP_FALSE='#'
> +else
> + AMDEP_TRUE='#'
> + AMDEP_FALSE=
> +fi
> +
> +
> +
> +# Extract the first word of "gcc", so it can be a program name with args.
> +set dummy gcc; ac_word=$2
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
> +$as_echo_n "checking for $ac_word... " >&6; }
> +if ${ac_cv_prog_CC+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + if test -n "$CC"; then
> + ac_cv_prog_CC="$CC" # Let the user override the test.
> +else
> +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> +for as_dir in $PATH
> +do
> + IFS=$as_save_IFS
> + test -z "$as_dir" && as_dir=.
> + for ac_exec_ext in '' $ac_executable_extensions; do
> + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
> + ac_cv_prog_CC="gcc"
> + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
> + break 2
> + fi
> +done
> + done
> +IFS=$as_save_IFS
> +
> +fi
> +fi
> +CC=$ac_cv_prog_CC
> +if test -n "$CC"; then
> + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
> +$as_echo "$CC" >&6; }
> +else
> + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
> +$as_echo "no" >&6; }
> +fi
> +
> +
> +
> +depcc="$CC" am_compiler_list=
> +
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
> +$as_echo_n "checking dependency style of $depcc... " >&6; }
> +if ${am_cv_CC_dependencies_compiler_type+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
> + # We make a subdir and do the tests there. Otherwise we can end up
> + # making bogus files that we don't know about and never remove. For
> + # instance it was reported that on HP-UX the gcc test will end up
> + # making a dummy file named `D' -- because `-MD' means `put the output
> + # in D'.
> + mkdir conftest.dir
> + # Copy depcomp to subdir because otherwise we won't find it if we're
> + # using a relative directory.
> + cp "$am_depcomp" conftest.dir
> + cd conftest.dir
> + # We will build objects and dependencies in a subdirectory because
> + # it helps to detect inapplicable dependency modes. For instance
> + # both Tru64's cc and ICC support -MD to output dependencies as a
> + # side effect of compilation, but ICC will put the dependencies in
> + # the current directory while Tru64 will put them in the object
> + # directory.
> + mkdir sub
> +
> + am_cv_CC_dependencies_compiler_type=none
> + if test "$am_compiler_list" = ""; then
> + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
> + fi
> + for depmode in $am_compiler_list; do
> + # Setup a source with many dependencies, because some compilers
> + # like to wrap large dependency lists on column 80 (with \), and
> + # we should not choose a depcomp mode which is confused by this.
> + #
> + # We need to recreate these files for each test, as the compiler may
> + # overwrite some of them when testing with obscure command lines.
> + # This happens at least with the AIX C compiler.
> + : > sub/conftest.c
> + for i in 1 2 3 4 5 6; do
> + echo '#include "conftst'$i'.h"' >> sub/conftest.c
> + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
> + # Solaris 8's {/usr,}/bin/sh.
> + touch sub/conftst$i.h
> + done
> + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
> +
> + case $depmode in
> + nosideeffect)
> + # after this tag, mechanisms are not by side-effect, so they'll
> + # only be used when explicitly requested
> + if test "x$enable_dependency_tracking" = xyes; then
> + continue
> + else
> + break
> + fi
> + ;;
> + none) break ;;
> + esac
> + # We check with `-c' and `-o' for the sake of the "dashmstdout"
> + # mode. It turns out that the SunPro C++ compiler does not properly
> + # handle `-M -o', and we need to detect this.
> + if depmode=$depmode \
> + source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
> + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
> + $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
> + >/dev/null 2>conftest.err &&
> + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
> + grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
> + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
> + # icc doesn't choke on unknown options, it will just issue warnings
> + # or remarks (even with -Werror). So we grep stderr for any message
> + # that says an option was ignored or not supported.
> + # When given -MP, icc 7.0 and 7.1 complain thusly:
> + # icc: Command line warning: ignoring option '-M'; no argument required
> + # The diagnosis changed in icc 8.0:
> + # icc: Command line remark: option '-MP' not supported
> + if (grep 'ignoring option' conftest.err ||
> + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
> + am_cv_CC_dependencies_compiler_type=$depmode
> + break
> + fi
> + fi
> + done
> +
> + cd ..
> + rm -rf conftest.dir
> +else
> + am_cv_CC_dependencies_compiler_type=none
> +fi
> +
> +fi
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
> +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; }
> +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
> +
> +
> +
> +if
> + test "x$enable_dependency_tracking" != xno \
> + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
> + am__fastdepCC_TRUE=
> + am__fastdepCC_FALSE='#'
> +else
> + am__fastdepCC_TRUE='#'
> + am__fastdepCC_FALSE=
> +fi
> +
> +
> +if test -z "$CC"; then
> + # Extract the first word of "cc", so it can be a program name with args.
> +set dummy cc; ac_word=$2
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
> +$as_echo_n "checking for $ac_word... " >&6; }
> +if ${ac_cv_prog_CC+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + if test -n "$CC"; then
> + ac_cv_prog_CC="$CC" # Let the user override the test.
> +else
> + ac_prog_rejected=no
> +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> +for as_dir in $PATH
> +do
> + IFS=$as_save_IFS
> + test -z "$as_dir" && as_dir=.
> + for ac_exec_ext in '' $ac_executable_extensions; do
> + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
> + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
> + ac_prog_rejected=yes
> + continue
> + fi
> + ac_cv_prog_CC="cc"
> + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
> + break 2
> + fi
> +done
> + done
> +IFS=$as_save_IFS
> +
> +if test $ac_prog_rejected = yes; then
> + # We found a bogon in the path, so make sure we never use it.
> + set dummy $ac_cv_prog_CC
> + shift
> + if test $# != 0; then
> + # We chose a different compiler from the bogus one.
> + # However, it has the same basename, so the bogon will be chosen
> + # first if we set CC to just the basename; use the full file name.
> + shift
> + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
> + fi
> +fi
> +fi
> +fi
> +CC=$ac_cv_prog_CC
> +if test -n "$CC"; then
> + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
> +$as_echo "$CC" >&6; }
> +else
> + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
> +$as_echo "no" >&6; }
> +fi
> +
> +
> + test -z "$CC" && as_fn_error $? "no acceptable cc found in \$PATH" "$LINENO" 5
> +fi
> +
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using GNU C" >&5
> +$as_echo_n "checking whether we are using GNU C... " >&6; }
> +if ${ac_cv_c_compiler_gnu+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + cat > conftest.c <<EOF
> +#ifdef __GNUC__
> + yes;
> +#endif
> +EOF
> +if { ac_try='${CC-cc} -E conftest.c'
> + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
> + (eval $ac_try) 2>&5
> + ac_status=$?
> + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
> + test $ac_status = 0; }; } | egrep yes >/dev/null 2>&1; then
> + ac_cv_c_compiler_gnu=yes
> +else
> + ac_cv_c_compiler_gnu=no
> +fi
> +fi
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
> +$as_echo "$ac_cv_c_compiler_gnu" >&6; }
> +
> +if test $ac_cv_c_compiler_gnu = yes; then
> + GCC=yes
> + ac_test_CFLAGS="${CFLAGS+set}"
> + ac_save_CFLAGS="$CFLAGS"
> + CFLAGS=
> + ac_test_CFLAGS=${CFLAGS+set}
> +ac_save_CFLAGS=$CFLAGS
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
> +$as_echo_n "checking whether $CC accepts -g... " >&6; }
> +if ${ac_cv_prog_cc_g+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + ac_save_c_werror_flag=$ac_c_werror_flag
> + ac_c_werror_flag=yes
> + ac_cv_prog_cc_g=no
> + CFLAGS="-g"
> + cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> +/* end confdefs.h. */
> +
> +int
> +main ()
> +{
> +
> + ;
> + return 0;
> +}
> +_ACEOF
> +if ac_fn_c_try_compile "$LINENO"; then :
> + ac_cv_prog_cc_g=yes
> +else
> + CFLAGS=""
> + cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> +/* end confdefs.h. */
> +
> +int
> +main ()
> +{
> +
> + ;
> + return 0;
> +}
> +_ACEOF
> +if ac_fn_c_try_compile "$LINENO"; then :
> +
> +else
> + ac_c_werror_flag=$ac_save_c_werror_flag
> + CFLAGS="-g"
> + cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> +/* end confdefs.h. */
> +
> +int
> +main ()
> +{
> +
> + ;
> + return 0;
> +}
> +_ACEOF
> +if ac_fn_c_try_compile "$LINENO"; then :
> + ac_cv_prog_cc_g=yes
> +fi
> +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
> +fi
> +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
> +fi
> +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
> + ac_c_werror_flag=$ac_save_c_werror_flag
> +fi
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
> +$as_echo "$ac_cv_prog_cc_g" >&6; }
> +if test "$ac_test_CFLAGS" = set; then
> + CFLAGS=$ac_save_CFLAGS
> +elif test $ac_cv_prog_cc_g = yes; then
> + if test "$GCC" = yes; then
> + CFLAGS="-g -O2"
> + else
> + CFLAGS="-g"
> + fi
> +else
> + if test "$GCC" = yes; then
> + CFLAGS="-O2"
> + else
> + CFLAGS=
> + fi
> +fi
> + if test "$ac_test_CFLAGS" = set; then
> + CFLAGS="$ac_save_CFLAGS"
> + elif test $ac_cv_prog_cc_g = yes; then
> + CFLAGS="-g -O2"
> + else
> + CFLAGS="-O2"
> + fi
> +else
> + GCC=
> + test "${CFLAGS+set}" = set || CFLAGS="-g"
> +fi
> +
> +AS=${AS-as}
> +
> +AR=${AR-ar}
> +
> +LD=${LD-ld}
> +
> +if test -n "$ac_tool_prefix"; then
> + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
> +set dummy ${ac_tool_prefix}ranlib; ac_word=$2
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
> +$as_echo_n "checking for $ac_word... " >&6; }
> +if ${ac_cv_prog_RANLIB+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + if test -n "$RANLIB"; then
> + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
> +else
> +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> +for as_dir in $PATH
> +do
> + IFS=$as_save_IFS
> + test -z "$as_dir" && as_dir=.
> + for ac_exec_ext in '' $ac_executable_extensions; do
> + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
> + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
> + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
> + break 2
> + fi
> +done
> + done
> +IFS=$as_save_IFS
> +
> +fi
> +fi
> +RANLIB=$ac_cv_prog_RANLIB
> +if test -n "$RANLIB"; then
> + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
> +$as_echo "$RANLIB" >&6; }
> +else
> + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
> +$as_echo "no" >&6; }
> +fi
> +
> +
> +fi
> +if test -z "$ac_cv_prog_RANLIB"; then
> + ac_ct_RANLIB=$RANLIB
> + # Extract the first word of "ranlib", so it can be a program name with args.
> +set dummy ranlib; ac_word=$2
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
> +$as_echo_n "checking for $ac_word... " >&6; }
> +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
> + $as_echo_n "(cached) " >&6
> +else
> + if test -n "$ac_ct_RANLIB"; then
> + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
> +else
> +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> +for as_dir in $PATH
> +do
> + IFS=$as_save_IFS
> + test -z "$as_dir" && as_dir=.
> + for ac_exec_ext in '' $ac_executable_extensions; do
> + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
> + ac_cv_prog_ac_ct_RANLIB="ranlib"
> + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
> + break 2
> + fi
> +done
> + done
> +IFS=$as_save_IFS
> +
> +fi
> +fi
> +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
> +if test -n "$ac_ct_RANLIB"; then
> + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
> +$as_echo "$ac_ct_RANLIB" >&6; }
> +else
> + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
> +$as_echo "no" >&6; }
> +fi
> +
> + if test "x$ac_ct_RANLIB" = x; then
> + RANLIB=":"
> + else
> + case $cross_compiling:$ac_tool_warned in
> +yes:)
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
> +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
> +ac_tool_warned=yes ;;
> +esac
> + RANLIB=$ac_ct_RANLIB
> + fi
> +else
> + RANLIB="$ac_cv_prog_RANLIB"
> +fi
> +
> +# By default we simply use the C compiler to build assembly code.
> +
> +test "${CCAS+set}" = set || CCAS=$CC
> +test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS
> +
> +
> +
> +
> +host_makefile_frag=${srcdir}/../config/default.mh
> +target_makefile_frag=${srcdir}/../config/default.mt
> +
> +host_makefile_frag_path=$host_makefile_frag
> +
> +
> +target_makefile_frag_path=$target_makefile_frag
> +
> +
> +
> +ac_config_files="$ac_config_files Makefile"
> +
> +cat >confcache <<\_ACEOF
> +# This file is a shell script that caches the results of configure
> +# tests run on this system so they can be shared between configure
> +# scripts and configure runs, see configure's option --config-cache.
> +# It is not useful on other systems. If it contains results you don't
> +# want to keep, you may remove or edit it.
> +#
> +# config.status only pays attention to the cache file if you give it
> +# the --recheck option to rerun configure.
> +#
> +# `ac_cv_env_foo' variables (set or unset) will be overridden when
> +# loading this file, other *unset* `ac_cv_foo' will be assigned the
> +# following values.
> +
> +_ACEOF
> +
> +# The following way of writing the cache mishandles newlines in values,
> +# but we know of no workaround that is simple, portable, and efficient.
> +# So, we kill variables containing newlines.
> +# Ultrix sh set writes to stderr and can't be redirected directly,
> +# and sets the high bit in the cache file unless we assign to the vars.
> +(
> + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
> + eval ac_val=\$$ac_var
> + case $ac_val in #(
> + *${as_nl}*)
> + case $ac_var in #(
> + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
> +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
> + esac
> + case $ac_var in #(
> + _ | IFS | as_nl) ;; #(
> + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
> + *) { eval $ac_var=; unset $ac_var;} ;;
> + esac ;;
> + esac
> + done
> +
> + (set) 2>&1 |
> + case $as_nl`(ac_space=' '; set) 2>&1` in #(
> + *${as_nl}ac_space=\ *)
> + # `set' does not quote correctly, so add quotes: double-quote
> + # substitution turns \\\\ into \\, and sed turns \\ into \.
> + sed -n \
> + "s/'/'\\\\''/g;
> + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
> + ;; #(
> + *)
> + # `set' quotes correctly as required by POSIX, so do not add quotes.
> + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
> + ;;
> + esac |
> + sort
> +) |
> + sed '
> + /^ac_cv_env_/b end
> + t clear
> + :clear
> + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
> + t end
> + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
> + :end' >>confcache
> +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
> + if test -w "$cache_file"; then
> + if test "x$cache_file" != "x/dev/null"; then
> + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
> +$as_echo "$as_me: updating cache $cache_file" >&6;}
> + if test ! -f "$cache_file" || test -h "$cache_file"; then
> + cat confcache >"$cache_file"
> + else
> + case $cache_file in #(
> + */* | ?:*)
> + mv -f confcache "$cache_file"$$ &&
> + mv -f "$cache_file"$$ "$cache_file" ;; #(
> + *)
> + mv -f confcache "$cache_file" ;;
> + esac
> + fi
> + fi
> + else
> + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
> +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
> + fi
> +fi
> +rm -f confcache
> +
> +test "x$prefix" = xNONE && prefix=$ac_default_prefix
> +# Let make expand exec_prefix.
> +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
> +
> +# Transform confdefs.h into DEFS.
> +# Protect against shell expansion while executing Makefile rules.
> +# Protect against Makefile macro expansion.
> +#
> +# If the first sed substitution is executed (which looks for macros that
> +# take arguments), then branch to the quote section. Otherwise,
> +# look for a macro that doesn't take arguments.
> +ac_script='
> +:mline
> +/\\$/{
> + N
> + s,\\\n,,
> + b mline
> +}
> +t clear
> +:clear
> +s/^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\)/-D\1=\2/g
> +t quote
> +s/^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)/-D\1=\2/g
> +t quote
> +b any
> +:quote
> +s/[ `~#$^&*(){}\\|;'\''"<>?]/\\&/g
> +s/\[/\\&/g
> +s/\]/\\&/g
> +s/\$/$$/g
> +H
> +:any
> +${
> + g
> + s/^\n//
> + s/\n/ /g
> + p
> +}
> +'
> +DEFS=`sed -n "$ac_script" confdefs.h`
> +
> +
> +ac_libobjs=
> +ac_ltlibobjs=
> +U=
> +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
> + # 1. Remove the extension, and $U if already installed.
> + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
> + ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
> + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR
> + # will be set to the directory where LIBOBJS objects are built.
> + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
> + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
> +done
> +LIBOBJS=$ac_libobjs
> +
> +LTLIBOBJS=$ac_ltlibobjs
> +
> +
> +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
> + as_fn_error $? "conditional \"AMDEP\" was never defined.
> +Usually this means the macro was only invoked conditionally." "$LINENO" 5
> +fi
> +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then
> + as_fn_error $? "conditional \"am__fastdepCC\" was never defined.
> +Usually this means the macro was only invoked conditionally." "$LINENO" 5
> +fi
> +
> +: "${CONFIG_STATUS=./config.status}"
> +ac_write_fail=0
> +ac_clean_files_save=$ac_clean_files
> +ac_clean_files="$ac_clean_files $CONFIG_STATUS"
> +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
> +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
> +as_write_fail=0
> +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
> +#! $SHELL
> +# Generated by $as_me.
> +# Run this file to recreate the current configuration.
> +# Compiler output produced by configure, useful for debugging
> +# configure, is in config.log if it exists.
> +
> +debug=false
> +ac_cs_recheck=false
> +ac_cs_silent=false
> +
> +SHELL=\${CONFIG_SHELL-$SHELL}
> +export SHELL
> +_ASEOF
> +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
> +## -------------------- ##
> +## M4sh Initialization. ##
> +## -------------------- ##
> +
> +# Be more Bourne compatible
> +DUALCASE=1; export DUALCASE # for MKS sh
> +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
> + emulate sh
> + NULLCMD=:
> + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
> + # is contrary to our usage. Disable this feature.
> + alias -g '${1+"$@"}'='"$@"'
> + setopt NO_GLOB_SUBST
> +else
> + case `(set -o) 2>/dev/null` in #(
> + *posix*) :
> + set -o posix ;; #(
> + *) :
> + ;;
> +esac
> +fi
> +
> +
> +as_nl='
> +'
> +export as_nl
> +# Printing a long string crashes Solaris 7 /usr/bin/printf.
> +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
> +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
> +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
> +# Prefer a ksh shell builtin over an external printf program on Solaris,
> +# but without wasting forks for bash or zsh.
> +if test -z "$BASH_VERSION$ZSH_VERSION" \
> + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
> + as_echo='print -r --'
> + as_echo_n='print -rn --'
> +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
> + as_echo='printf %s\n'
> + as_echo_n='printf %s'
> +else
> + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
> + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
> + as_echo_n='/usr/ucb/echo -n'
> + else
> + as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
> + as_echo_n_body='eval
> + arg=$1;
> + case $arg in #(
> + *"$as_nl"*)
> + expr "X$arg" : "X\\(.*\\)$as_nl";
> + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
> + esac;
> + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
> + '
> + export as_echo_n_body
> + as_echo_n='sh -c $as_echo_n_body as_echo'
> + fi
> + export as_echo_body
> + as_echo='sh -c $as_echo_body as_echo'
> +fi
> +
> +# The user is always right.
> +if test "${PATH_SEPARATOR+set}" != set; then
> + PATH_SEPARATOR=:
> + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
> + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
> + PATH_SEPARATOR=';'
> + }
> +fi
> +
> +
> +# IFS
> +# We need space, tab and new line, in precisely that order. Quoting is
> +# there to prevent editors from complaining about space-tab.
> +# (If _AS_PATH_WALK were called with IFS unset, it would disable word
> +# splitting by setting IFS to empty value.)
> +IFS=" "" $as_nl"
> +
> +# Find who we are. Look in the path if we contain no directory separator.
> +as_myself=
> +case $0 in #((
> + *[\\/]* ) as_myself=$0 ;;
> + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
> +for as_dir in $PATH
> +do
> + IFS=$as_save_IFS
> + test -z "$as_dir" && as_dir=.
> + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
> + done
> +IFS=$as_save_IFS
> +
> + ;;
> +esac
> +# We did not find ourselves, most probably we were run as `sh COMMAND'
> +# in which case we are not to be found in the path.
> +if test "x$as_myself" = x; then
> + as_myself=$0
> +fi
> +if test ! -f "$as_myself"; then
> + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
> + exit 1
> +fi
> +
> +# Unset variables that we do not need and which cause bugs (e.g. in
> +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1"
> +# suppresses any "Segmentation fault" message there. '((' could
> +# trigger a bug in pdksh 5.2.14.
> +for as_var in BASH_ENV ENV MAIL MAILPATH
> +do eval test x\${$as_var+set} = xset \
> + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
> +done
> +PS1='$ '
> +PS2='> '
> +PS4='+ '
> +
> +# NLS nuisances.
> +LC_ALL=C
> +export LC_ALL
> +LANGUAGE=C
> +export LANGUAGE
> +
> +# CDPATH.
> +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
> +
> +
> +# as_fn_error STATUS ERROR [LINENO LOG_FD]
> +# ----------------------------------------
> +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
> +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
> +# script with STATUS, using 1 if that was 0.
> +as_fn_error ()
> +{
> + as_status=$1; test $as_status -eq 0 && as_status=1
> + if test "$4"; then
> + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
> + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
> + fi
> + $as_echo "$as_me: error: $2" >&2
> + as_fn_exit $as_status
> +} # as_fn_error
> +
> +
> +# as_fn_set_status STATUS
> +# -----------------------
> +# Set $? to STATUS, without forking.
> +as_fn_set_status ()
> +{
> + return $1
> +} # as_fn_set_status
> +
> +# as_fn_exit STATUS
> +# -----------------
> +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
> +as_fn_exit ()
> +{
> + set +e
> + as_fn_set_status $1
> + exit $1
> +} # as_fn_exit
> +
> +# as_fn_unset VAR
> +# ---------------
> +# Portably unset VAR.
> +as_fn_unset ()
> +{
> + { eval $1=; unset $1;}
> +}
> +as_unset=as_fn_unset
> +# as_fn_append VAR VALUE
> +# ----------------------
> +# Append the text in VALUE to the end of the definition contained in VAR. Take
> +# advantage of any shell optimizations that allow amortized linear growth over
> +# repeated appends, instead of the typical quadratic growth present in naive
> +# implementations.
> +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
> + eval 'as_fn_append ()
> + {
> + eval $1+=\$2
> + }'
> +else
> + as_fn_append ()
> + {
> + eval $1=\$$1\$2
> + }
> +fi # as_fn_append
> +
> +# as_fn_arith ARG...
> +# ------------------
> +# Perform arithmetic evaluation on the ARGs, and store the result in the
> +# global $as_val. Take advantage of shells that can avoid forks. The arguments
> +# must be portable across $(()) and expr.
> +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
> + eval 'as_fn_arith ()
> + {
> + as_val=$(( $* ))
> + }'
> +else
> + as_fn_arith ()
> + {
> + as_val=`expr "$@" || test $? -eq 1`
> + }
> +fi # as_fn_arith
> +
> +
> +if expr a : '\(a\)' >/dev/null 2>&1 &&
> + test "X`expr 00001 : '.*\(...\)'`" = X001; then
> + as_expr=expr
> +else
> + as_expr=false
> +fi
> +
> +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
> + as_basename=basename
> +else
> + as_basename=false
> +fi
> +
> +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
> + as_dirname=dirname
> +else
> + as_dirname=false
> +fi
> +
> +as_me=`$as_basename -- "$0" ||
> +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
> + X"$0" : 'X\(//\)$' \| \
> + X"$0" : 'X\(/\)' \| . 2>/dev/null ||
> +$as_echo X/"$0" |
> + sed '/^.*\/\([^/][^/]*\)\/*$/{
> + s//\1/
> + q
> + }
> + /^X\/\(\/\/\)$/{
> + s//\1/
> + q
> + }
> + /^X\/\(\/\).*/{
> + s//\1/
> + q
> + }
> + s/.*/./; q'`
> +
> +# Avoid depending upon Character Ranges.
> +as_cr_letters='abcdefghijklmnopqrstuvwxyz'
> +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
> +as_cr_Letters=$as_cr_letters$as_cr_LETTERS
> +as_cr_digits='0123456789'
> +as_cr_alnum=$as_cr_Letters$as_cr_digits
> +
> +ECHO_C= ECHO_N= ECHO_T=
> +case `echo -n x` in #(((((
> +-n*)
> + case `echo 'xy\c'` in
> + *c*) ECHO_T=' ';; # ECHO_T is single tab character.
> + xy) ECHO_C='\c';;
> + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null
> + ECHO_T=' ';;
> + esac;;
> +*)
> + ECHO_N='-n';;
> +esac
> +
> +rm -f conf$$ conf$$.exe conf$$.file
> +if test -d conf$$.dir; then
> + rm -f conf$$.dir/conf$$.file
> +else
> + rm -f conf$$.dir
> + mkdir conf$$.dir 2>/dev/null
> +fi
> +if (echo >conf$$.file) 2>/dev/null; then
> + if ln -s conf$$.file conf$$ 2>/dev/null; then
> + as_ln_s='ln -s'
> + # ... but there are two gotchas:
> + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
> + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
> + # In both cases, we have to default to `cp -p'.
> + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
> + as_ln_s='cp -p'
> + elif ln conf$$.file conf$$ 2>/dev/null; then
> + as_ln_s=ln
> + else
> + as_ln_s='cp -p'
> + fi
> +else
> + as_ln_s='cp -p'
> +fi
> +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
> +rmdir conf$$.dir 2>/dev/null
> +
> +
> +# as_fn_mkdir_p
> +# -------------
> +# Create "$as_dir" as a directory, including parents if necessary.
> +as_fn_mkdir_p ()
> +{
> +
> + case $as_dir in #(
> + -*) as_dir=./$as_dir;;
> + esac
> + test -d "$as_dir" || eval $as_mkdir_p || {
> + as_dirs=
> + while :; do
> + case $as_dir in #(
> + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
> + *) as_qdir=$as_dir;;
> + esac
> + as_dirs="'$as_qdir' $as_dirs"
> + as_dir=`$as_dirname -- "$as_dir" ||
> +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
> + X"$as_dir" : 'X\(//\)[^/]' \| \
> + X"$as_dir" : 'X\(//\)$' \| \
> + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
> +$as_echo X"$as_dir" |
> + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
> + s//\1/
> + q
> + }
> + /^X\(\/\/\)[^/].*/{
> + s//\1/
> + q
> + }
> + /^X\(\/\/\)$/{
> + s//\1/
> + q
> + }
> + /^X\(\/\).*/{
> + s//\1/
> + q
> + }
> + s/.*/./; q'`
> + test -d "$as_dir" && break
> + done
> + test -z "$as_dirs" || eval "mkdir $as_dirs"
> + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
> +
> +
> +} # as_fn_mkdir_p
> +if mkdir -p . 2>/dev/null; then
> + as_mkdir_p='mkdir -p "$as_dir"'
> +else
> + test -d ./-p && rmdir ./-p
> + as_mkdir_p=false
> +fi
> +
> +if test -x / >/dev/null 2>&1; then
> + as_test_x='test -x'
> +else
> + if ls -dL / >/dev/null 2>&1; then
> + as_ls_L_option=L
> + else
> + as_ls_L_option=
> + fi
> + as_test_x='
> + eval sh -c '\''
> + if test -d "$1"; then
> + test -d "$1/.";
> + else
> + case $1 in #(
> + -*)set "./$1";;
> + esac;
> + case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
> + ???[sx]*):;;*)false;;esac;fi
> + '\'' sh
> + '
> +fi
> +as_executable_p=$as_test_x
> +
> +# Sed expression to map a string onto a valid CPP name.
> +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
> +
> +# Sed expression to map a string onto a valid variable name.
> +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
> +
> +
> +exec 6>&1
> +## ----------------------------------- ##
> +## Main body of $CONFIG_STATUS script. ##
> +## ----------------------------------- ##
> +_ASEOF
> +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
> +
> +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> +# Save the log message, to keep $0 and so on meaningful, and to
> +# report actual input values of CONFIG_FILES etc. instead of their
> +# values after options handling.
> +ac_log="
> +This file was extended by $as_me, which was
> +generated by GNU Autoconf 2.68. Invocation command line was
> +
> + CONFIG_FILES = $CONFIG_FILES
> + CONFIG_HEADERS = $CONFIG_HEADERS
> + CONFIG_LINKS = $CONFIG_LINKS
> + CONFIG_COMMANDS = $CONFIG_COMMANDS
> + $ $0 $@
> +
> +on `(hostname || uname -n) 2>/dev/null | sed 1q`
> +"
> +
> +_ACEOF
> +
> +case $ac_config_files in *"
> +"*) set x $ac_config_files; shift; ac_config_files=$*;;
> +esac
> +
> +
> +
> +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> +# Files that config.status was made for.
> +config_files="$ac_config_files"
> +config_commands="$ac_config_commands"
> +
> +_ACEOF
> +
> +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> +ac_cs_usage="\
> +\`$as_me' instantiates files and other configuration actions
> +from templates according to the current configuration. Unless the files
> +and actions are specified as TAGs, all are instantiated by default.
> +
> +Usage: $0 [OPTION]... [TAG]...
> +
> + -h, --help print this help, then exit
> + -V, --version print version number and configuration settings, then exit
> + --config print configuration, then exit
> + -q, --quiet, --silent
> + do not print progress messages
> + -d, --debug don't remove temporary files
> + --recheck update $as_me by reconfiguring in the same conditions
> + --file=FILE[:TEMPLATE]
> + instantiate the configuration file FILE
> +
> +Configuration files:
> +$config_files
> +
> +Configuration commands:
> +$config_commands
> +
> +Report bugs to the package provider."
> +
> +_ACEOF
> +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
> +ac_cs_version="\\
> +config.status
> +configured by $0, generated by GNU Autoconf 2.68,
> + with options \\"\$ac_cs_config\\"
> +
> +Copyright (C) 2010 Free Software Foundation, Inc.
> +This config.status script is free software; the Free Software Foundation
> +gives unlimited permission to copy, distribute and modify it."
> +
> +ac_pwd='$ac_pwd'
> +srcdir='$srcdir'
> +INSTALL='$INSTALL'
> +test -n "\$AWK" || AWK=awk
> +_ACEOF
> +
> +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> +# The default lists apply if the user does not specify any file.
> +ac_need_defaults=:
> +while test $# != 0
> +do
> + case $1 in
> + --*=?*)
> + ac_option=`expr "X$1" : 'X\([^=]*\)='`
> + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
> + ac_shift=:
> + ;;
> + --*=)
> + ac_option=`expr "X$1" : 'X\([^=]*\)='`
> + ac_optarg=
> + ac_shift=:
> + ;;
> + *)
> + ac_option=$1
> + ac_optarg=$2
> + ac_shift=shift
> + ;;
> + esac
> +
> + case $ac_option in
> + # Handling of the options.
> + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
> + ac_cs_recheck=: ;;
> + --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
> + $as_echo "$ac_cs_version"; exit ;;
> + --config | --confi | --conf | --con | --co | --c )
> + $as_echo "$ac_cs_config"; exit ;;
> + --debug | --debu | --deb | --de | --d | -d )
> + debug=: ;;
> + --file | --fil | --fi | --f )
> + $ac_shift
> + case $ac_optarg in
> + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
> + '') as_fn_error $? "missing file argument" ;;
> + esac
> + as_fn_append CONFIG_FILES " '$ac_optarg'"
> + ac_need_defaults=false;;
> + --he | --h | --help | --hel | -h )
> + $as_echo "$ac_cs_usage"; exit ;;
> + -q | -quiet | --quiet | --quie | --qui | --qu | --q \
> + | -silent | --silent | --silen | --sile | --sil | --si | --s)
> + ac_cs_silent=: ;;
> +
> + # This is an error.
> + -*) as_fn_error $? "unrecognized option: \`$1'
> +Try \`$0 --help' for more information." ;;
> +
> + *) as_fn_append ac_config_targets " $1"
> + ac_need_defaults=false ;;
> +
> + esac
> + shift
> +done
> +
> +ac_configure_extra_args=
> +
> +if $ac_cs_silent; then
> + exec 6>/dev/null
> + ac_configure_extra_args="$ac_configure_extra_args --silent"
> +fi
> +
> +_ACEOF
> +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> +if \$ac_cs_recheck; then
> + set X '$SHELL' '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
> + shift
> + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6
> + CONFIG_SHELL='$SHELL'
> + export CONFIG_SHELL
> + exec "\$@"
> +fi
> +
> +_ACEOF
> +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> +exec 5>>config.log
> +{
> + echo
> + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
> +## Running $as_me. ##
> +_ASBOX
> + $as_echo "$ac_log"
> +} >&5
> +
> +_ACEOF
> +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> +#
> +# INIT-COMMANDS
> +#
> +AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
> +srcdir=${srcdir}
> +target=${target}
> +with_multisubdir=${with_multisubdir}
> +ac_configure_args="${ac_configure_args} --enable-multilib"
> +CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
> +libgloss_topdir=${libgloss_topdir}
> +
> +
> +_ACEOF
> +
> +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> +
> +# Handling of arguments.
> +for ac_config_target in $ac_config_targets
> +do
> + case $ac_config_target in
> + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
> + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
> +
> + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
> + esac
> +done
> +
> +
> +# If the user did not use the arguments to specify the items to instantiate,
> +# then the envvar interface is used. Set only those that are not.
> +# We use the long form for the default assignment because of an extremely
> +# bizarre bug on SunOS 4.1.3.
> +if $ac_need_defaults; then
> + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
> + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
> +fi
> +
> +# Have a temporary directory for convenience. Make it in the build tree
> +# simply because there is no reason against having it here, and in addition,
> +# creating and moving files from /tmp can sometimes cause problems.
> +# Hook for its removal unless debugging.
> +# Note that there is a small window in which the directory will not be cleaned:
> +# after its creation but before its name has been assigned to `$tmp'.
> +$debug ||
> +{
> + tmp= ac_tmp=
> + trap 'exit_status=$?
> + : "${ac_tmp:=$tmp}"
> + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
> +' 0
> + trap 'as_fn_exit 1' 1 2 13 15
> +}
> +# Create a (secure) tmp directory for tmp files.
> +
> +{
> + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
> + test -d "$tmp"
> +} ||
> +{
> + tmp=./conf$$-$RANDOM
> + (umask 077 && mkdir "$tmp")
> +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
> +ac_tmp=$tmp
> +
> +# Set up the scripts for CONFIG_FILES section.
> +# No need to generate them if there are no CONFIG_FILES.
> +# This happens for instance with `./config.status config.h'.
> +if test -n "$CONFIG_FILES"; then
> +
> +if $AWK 'BEGIN { getline <"/dev/null" }' </dev/null 2>/dev/null; then
> + ac_cs_awk_getline=:
> + ac_cs_awk_pipe_init=
> + ac_cs_awk_read_file='
> + while ((getline aline < (F[key])) > 0)
> + print(aline)
> + close(F[key])'
> + ac_cs_awk_pipe_fini=
> +else
> + ac_cs_awk_getline=false
> + ac_cs_awk_pipe_init="print \"cat <<'|#_!!_#|' &&\""
> + ac_cs_awk_read_file='
> + print "|#_!!_#|"
> + print "cat " F[key] " &&"
> + '$ac_cs_awk_pipe_init
> + # The final `:' finishes the AND list.
> + ac_cs_awk_pipe_fini='END { print "|#_!!_#|"; print ":" }'
> +fi
> +ac_cr=`echo X | tr X '\015'`
> +# On cygwin, bash can eat \r inside `` if the user requested igncr.
> +# But we know of no other shell where ac_cr would be empty at this
> +# point, so we can use a bashism as a fallback.
> +if test "x$ac_cr" = x; then
> + eval ac_cr=\$\'\\r\'
> +fi
> +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
> +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
> + ac_cs_awk_cr='\\r'
> +else
> + ac_cs_awk_cr=$ac_cr
> +fi
> +
> +echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
> +_ACEOF
> +
> +# Create commands to substitute file output variables.
> +{
> + echo "cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1" &&
> + echo 'cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&' &&
> + echo "$ac_subst_files" | sed 's/.*/F["&"]="$&"/' &&
> + echo "_ACAWK" &&
> + echo "_ACEOF"
> +} >conf$$files.sh &&
> +. ./conf$$files.sh ||
> + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
> +rm -f conf$$files.sh
> +
> +{
> + echo "cat >conf$$subs.awk <<_ACEOF" &&
> + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
> + echo "_ACEOF"
> +} >conf$$subs.sh ||
> + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
> +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
> +ac_delim='%!_!# '
> +for ac_last_try in false false false false false :; do
> + . ./conf$$subs.sh ||
> + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
> +
> + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
> + if test $ac_delim_n = $ac_delim_num; then
> + break
> + elif $ac_last_try; then
> + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
> + else
> + ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
> + fi
> +done
> +rm -f conf$$subs.sh
> +
> +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
> +_ACEOF
> +sed -n '
> +h
> +s/^/S["/; s/!.*/"]=/
> +p
> +g
> +s/^[^!]*!//
> +:repl
> +t repl
> +s/'"$ac_delim"'$//
> +t delim
> +:nl
> +h
> +s/\(.\{148\}\)..*/\1/
> +t more1
> +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
> +p
> +n
> +b repl
> +:more1
> +s/["\\]/\\&/g; s/^/"/; s/$/"\\/
> +p
> +g
> +s/.\{148\}//
> +t nl
> +:delim
> +h
> +s/\(.\{148\}\)..*/\1/
> +t more2
> +s/["\\]/\\&/g; s/^/"/; s/$/"/
> +p
> +b
> +:more2
> +s/["\\]/\\&/g; s/^/"/; s/$/"\\/
> +p
> +g
> +s/.\{148\}//
> +t delim
> +' <conf$$subs.awk | sed '
> +/^[^""]/{
> + N
> + s/\n//
> +}
> +' >>$CONFIG_STATUS || ac_write_fail=1
> +rm -f conf$$subs.awk
> +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> +_ACAWK
> +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
> + for (key in S) S_is_set[key] = 1
> + FS = ""
> + \$ac_cs_awk_pipe_init
> +}
> +{
> + line = $ 0
> + nfields = split(line, field, "@")
> + substed = 0
> + len = length(field[1])
> + for (i = 2; i < nfields; i++) {
> + key = field[i]
> + keylen = length(key)
> + if (S_is_set[key]) {
> + value = S[key]
> + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
> + len += length(value) + length(field[++i])
> + substed = 1
> + } else
> + len += 1 + keylen
> + }
> + if (nfields == 3 && !substed) {
> + key = field[2]
> + if (F[key] != "" && line ~ /^[ ]*@.*@[ ]*$/) {
> + \$ac_cs_awk_read_file
> + next
> + }
> + }
> + print line
> +}
> +\$ac_cs_awk_pipe_fini
> +_ACAWK
> +_ACEOF
> +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
> + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
> +else
> + cat
> +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
> + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
> +_ACEOF
> +
> +# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
> +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
> +# trailing colons and then remove the whole line if VPATH becomes empty
> +# (actually we leave an empty line to preserve line numbers).
> +if test "x$srcdir" = x.; then
> + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{
> +h
> +s///
> +s/^/:/
> +s/[ ]*$/:/
> +s/:\$(srcdir):/:/g
> +s/:\${srcdir}:/:/g
> +s/:@srcdir@:/:/g
> +s/^:*//
> +s/:*$//
> +x
> +s/\(=[ ]*\).*/\1/
> +G
> +s/\n//
> +s/^[^=]*=[ ]*$//
> +}'
> +fi
> +
> +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> +fi # test -n "$CONFIG_FILES"
> +
> +
> +eval set X " :F $CONFIG_FILES :C $CONFIG_COMMANDS"
> +shift
> +for ac_tag
> +do
> + case $ac_tag in
> + :[FHLC]) ac_mode=$ac_tag; continue;;
> + esac
> + case $ac_mode$ac_tag in
> + :[FHL]*:*);;
> + :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
> + :[FH]-) ac_tag=-:-;;
> + :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
> + esac
> + ac_save_IFS=$IFS
> + IFS=:
> + set x $ac_tag
> + IFS=$ac_save_IFS
> + shift
> + ac_file=$1
> + shift
> +
> + case $ac_mode in
> + :L) ac_source=$1;;
> + :[FH])
> + ac_file_inputs=
> + for ac_f
> + do
> + case $ac_f in
> + -) ac_f="$ac_tmp/stdin";;
> + *) # Look for the file first in the build tree, then in the source tree
> + # (if the path is not absolute). The absolute path cannot be DOS-style,
> + # because $ac_f cannot contain `:'.
> + test -f "$ac_f" ||
> + case $ac_f in
> + [\\/$]*) false;;
> + *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
> + esac ||
> + as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
> + esac
> + case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
> + as_fn_append ac_file_inputs " '$ac_f'"
> + done
> +
> + # Let's still pretend it is `configure' which instantiates (i.e., don't
> + # use $as_me), people would be surprised to read:
> + # /* config.h. Generated by config.status. */
> + configure_input='Generated from '`
> + $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
> + `' by configure.'
> + if test x"$ac_file" != x-; then
> + configure_input="$ac_file. $configure_input"
> + { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
> +$as_echo "$as_me: creating $ac_file" >&6;}
> + fi
> + # Neutralize special characters interpreted by sed in replacement strings.
> + case $configure_input in #(
> + *\&* | *\|* | *\\* )
> + ac_sed_conf_input=`$as_echo "$configure_input" |
> + sed 's/[\\\\&|]/\\\\&/g'`;; #(
> + *) ac_sed_conf_input=$configure_input;;
> + esac
> +
> + case $ac_tag in
> + *:-:* | *:-) cat >"$ac_tmp/stdin" \
> + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
> + esac
> + ;;
> + esac
> +
> + ac_dir=`$as_dirname -- "$ac_file" ||
> +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
> + X"$ac_file" : 'X\(//\)[^/]' \| \
> + X"$ac_file" : 'X\(//\)$' \| \
> + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
> +$as_echo X"$ac_file" |
> + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
> + s//\1/
> + q
> + }
> + /^X\(\/\/\)[^/].*/{
> + s//\1/
> + q
> + }
> + /^X\(\/\/\)$/{
> + s//\1/
> + q
> + }
> + /^X\(\/\).*/{
> + s//\1/
> + q
> + }
> + s/.*/./; q'`
> + as_dir="$ac_dir"; as_fn_mkdir_p
> + ac_builddir=.
> +
> +case "$ac_dir" in
> +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
> +*)
> + ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
> + # A ".." for each directory in $ac_dir_suffix.
> + ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
> + case $ac_top_builddir_sub in
> + "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
> + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;;
> + esac ;;
> +esac
> +ac_abs_top_builddir=$ac_pwd
> +ac_abs_builddir=$ac_pwd$ac_dir_suffix
> +# for backward compatibility:
> +ac_top_builddir=$ac_top_build_prefix
> +
> +case $srcdir in
> + .) # We are building in place.
> + ac_srcdir=.
> + ac_top_srcdir=$ac_top_builddir_sub
> + ac_abs_top_srcdir=$ac_pwd ;;
> + [\\/]* | ?:[\\/]* ) # Absolute name.
> + ac_srcdir=$srcdir$ac_dir_suffix;
> + ac_top_srcdir=$srcdir
> + ac_abs_top_srcdir=$srcdir ;;
> + *) # Relative name.
> + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
> + ac_top_srcdir=$ac_top_build_prefix$srcdir
> + ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
> +esac
> +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
> +
> +
> + case $ac_mode in
> + :F)
> + #
> + # CONFIG_FILE
> + #
> +
> + case $INSTALL in
> + [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
> + *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
> + esac
> +_ACEOF
> +
> +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> +# If the template does not know about datarootdir, expand it.
> +# FIXME: This hack should be removed a few years after 2.60.
> +ac_datarootdir_hack=; ac_datarootdir_seen=
> +ac_sed_dataroot='
> +/datarootdir/ {
> + p
> + q
> +}
> +/@datadir@/p
> +/@docdir@/p
> +/@infodir@/p
> +/@localedir@/p
> +/@mandir@/p'
> +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
> +*datarootdir*) ac_datarootdir_seen=yes;;
> +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
> + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
> +$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
> +_ACEOF
> +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> + ac_datarootdir_hack='
> + s&@datadir@&$datadir&g
> + s&@docdir@&$docdir&g
> + s&@infodir@&$infodir&g
> + s&@localedir@&$localedir&g
> + s&@mandir@&$mandir&g
> + s&\\\${datarootdir}&$datarootdir&g' ;;
> +esac
> +_ACEOF
> +
> +# Neutralize VPATH when `$srcdir' = `.'.
> +# Shell code in configure.ac might set extrasub.
> +# FIXME: do we really want to maintain this feature?
> +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
> +ac_sed_extra="$ac_vpsub
> +$extrasub
> +_ACEOF
> +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
> +:t
> +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
> +s|@configure_input@|$ac_sed_conf_input|;t t
> +s&@top_builddir@&$ac_top_builddir_sub&;t t
> +s&@top_build_prefix@&$ac_top_build_prefix&;t t
> +s&@srcdir@&$ac_srcdir&;t t
> +s&@abs_srcdir@&$ac_abs_srcdir&;t t
> +s&@top_srcdir@&$ac_top_srcdir&;t t
> +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
> +s&@builddir@&$ac_builddir&;t t
> +s&@abs_builddir@&$ac_abs_builddir&;t t
> +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
> +s&@INSTALL@&$ac_INSTALL&;t t
> +$ac_datarootdir_hack
> +"
> +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" |
> +if $ac_cs_awk_getline; then
> + $AWK -f "$ac_tmp/subs.awk"
> +else
> + $AWK -f "$ac_tmp/subs.awk" | $SHELL
> +fi \
> + >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
> +
> +test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
> + { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
> + { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' \
> + "$ac_tmp/out"`; test -z "$ac_out"; } &&
> + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
> +which seems to be undefined. Please make sure it is defined" >&5
> +$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
> +which seems to be undefined. Please make sure it is defined" >&2;}
> +
> + rm -f "$ac_tmp/stdin"
> + case $ac_file in
> + -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
> + *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
> + esac \
> + || as_fn_error $? "could not create $ac_file" "$LINENO" 5
> + ;;
> +
> +
> + :C) { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
> +$as_echo "$as_me: executing $ac_file commands" >&6;}
> + ;;
> + esac
> +
> +
> + case $ac_file$ac_mode in
> + "depfiles":C) test x"$AMDEP_TRUE" != x"" || for mf in $CONFIG_FILES; do
> + # Strip MF so we end up with the name of the file.
> + mf=`echo "$mf" | sed -e 's/:.*$//'`
> + # Check whether this is an Automake generated Makefile or not.
> + # We used to match only the files named `Makefile.in', but
> + # some people rename them; so instead we look at the file content.
> + # Grep'ing the first line is not enough: some people post-process
> + # each Makefile.in and add a new line on top of each file to say so.
> + # So let's grep whole file.
> + if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
> + dirpart=`$as_dirname -- "$mf" ||
> +$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
> + X"$mf" : 'X\(//\)[^/]' \| \
> + X"$mf" : 'X\(//\)$' \| \
> + X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
> +$as_echo X"$mf" |
> + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
> + s//\1/
> + q
> + }
> + /^X\(\/\/\)[^/].*/{
> + s//\1/
> + q
> + }
> + /^X\(\/\/\)$/{
> + s//\1/
> + q
> + }
> + /^X\(\/\).*/{
> + s//\1/
> + q
> + }
> + s/.*/./; q'`
> + else
> + continue
> + fi
> + # Extract the definition of DEPDIR, am__include, and am__quote
> + # from the Makefile without running `make'.
> + DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
> + test -z "$DEPDIR" && continue
> + am__include=`sed -n 's/^am__include = //p' < "$mf"`
> + test -z "am__include" && continue
> + am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
> + # When using ansi2knr, U may be empty or an underscore; expand it
> + U=`sed -n 's/^U = //p' < "$mf"`
> + # Find all dependency output files, they are included files with
> + # $(DEPDIR) in their names. We invoke sed twice because it is the
> + # simplest approach to changing $(DEPDIR) to its actual value in the
> + # expansion.
> + for file in `sed -n "
> + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
> + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
> + # Make sure the directory exists.
> + test -f "$dirpart/$file" && continue
> + fdir=`$as_dirname -- "$file" ||
> +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
> + X"$file" : 'X\(//\)[^/]' \| \
> + X"$file" : 'X\(//\)$' \| \
> + X"$file" : 'X\(/\)' \| . 2>/dev/null ||
> +$as_echo X"$file" |
> + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
> + s//\1/
> + q
> + }
> + /^X\(\/\/\)[^/].*/{
> + s//\1/
> + q
> + }
> + /^X\(\/\/\)$/{
> + s//\1/
> + q
> + }
> + /^X\(\/\).*/{
> + s//\1/
> + q
> + }
> + s/.*/./; q'`
> + as_dir=$dirpart/$fdir; as_fn_mkdir_p
> + # echo "creating $dirpart/$file"
> + echo '# dummy' > "$dirpart/$file"
> + done
> +done
> + ;;
> + "Makefile":F) . ${libgloss_topdir}/config-ml.in ;;
> +
> + esac
> +done # for ac_tag
> +
> +
> +as_fn_exit 0
> +_ACEOF
> +ac_clean_files=$ac_clean_files_save
> +
> +test $ac_write_fail = 0 ||
> + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
> +
> +
> +# configure is writing to config.log, and then calls config.status.
> +# config.status does its own redirection, appending to config.log.
> +# Unfortunately, on DOS this fails, as config.log is still kept open
> +# by configure, so config.status won't be able to write to it; its
> +# output is simply discarded. So we exec the FD to /dev/null,
> +# effectively closing config.log, so it can be properly (re)opened and
> +# appended to by config.status. When coming back to configure, we
> +# need to make the FD available again.
> +if test "$no_create" != yes; then
> + ac_cs_success=:
> + ac_config_status_args=
> + test "$silent" = yes &&
> + ac_config_status_args="$ac_config_status_args --quiet"
> + exec 5>/dev/null
> + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
> + exec 5>>config.log
> + # Use ||, not &&, to avoid exiting from the if with $? = 1, which
> + # would make configure fail if this is the last instruction.
> + $ac_cs_success || as_fn_exit 1
> +fi
> +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
> + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
> +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
> +fi
> +
> diff --git a/libgloss/nios2/configure.in b/libgloss/nios2/configure.in
> new file mode 100644
> index 0000000..fb187b7
> --- /dev/null
> +++ b/libgloss/nios2/configure.in
> @@ -0,0 +1,58 @@
> +dnl Process this file with autoconf to produce a configure script.
> +AC_PREREQ(2.59)
> +AC_INIT(crt0.S)
> +
> +if test "${enable_shared}" = "yes" ; then
> + echo "Shared libraries not supported for cross compiling, ignored"
> +fi
> +
> +if test "$srcdir" = "." ; then
> + if test "${with_target_subdir}" != "." ; then
> + libgloss_topdir="${with_multisrctop}../../.."
> + else
> + libgloss_topdir="${with_multisrctop}../.."
> + fi
> +else
> + libgloss_topdir="${srcdir}/../.."
> +fi
> +AC_CONFIG_AUX_DIR($libgloss_topdir)
> +
> +AC_CANONICAL_SYSTEM
> +AC_ARG_PROGRAM
> +
> +AC_PROG_INSTALL
> +
> +LIB_AC_PROG_CC
> +AS=${AS-as}
> +AC_SUBST(AS)
> +AR=${AR-ar}
> +AC_SUBST(AR)
> +LD=${LD-ld}
> +AC_SUBST(LD)
> +AC_PROG_RANLIB
> +LIB_AM_PROG_AS
> +
> +host_makefile_frag=${srcdir}/../config/default.mh
> +target_makefile_frag=${srcdir}/../config/default.mt
> +
> +dnl We have to assign the same value to other variables because autoconf
> +dnl doesn't provide a mechanism to substitute a replacement keyword with
> +dnl arbitrary data or pathnames.
> +dnl
> +host_makefile_frag_path=$host_makefile_frag
> +AC_SUBST(host_makefile_frag_path)
> +AC_SUBST_FILE(host_makefile_frag)
> +target_makefile_frag_path=$target_makefile_frag
> +AC_SUBST(target_makefile_frag_path)
> +AC_SUBST_FILE(target_makefile_frag)
> +
> +AC_CONFIG_FILES(Makefile,
> +. ${libgloss_topdir}/config-ml.in,
> +srcdir=${srcdir}
> +target=${target}
> +with_multisubdir=${with_multisubdir}
> +ac_configure_args="${ac_configure_args} --enable-multilib"
> +CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
> +libgloss_topdir=${libgloss_topdir}
> +)
> +AC_OUTPUT
> diff --git a/libgloss/nios2/crt0.S b/libgloss/nios2/crt0.S
> new file mode 100644
> index 0000000..77eacb3
> --- /dev/null
> +++ b/libgloss/nios2/crt0.S
> @@ -0,0 +1,140 @@
> +/* crt0.S -- startup code for Nios II QEMU generic-nommu board emulation.
> +
> + Copyright (c) 2018 Mentor Graphics
> +
> + The authors hereby grant permission to use, copy, modify, distribute,
> + and license this software and its documentation for any purpose, provided
> + that existing copyright notices are retained in all copies and that this
> + notice is included verbatim in any distributions. No written agreement,
> + license, or royalty fee is required for any of the authorized uses.
> + Modifications to this software may be copyrighted by their authors
> + and need not follow the licensing terms described here, provided that
> + the new terms are clearly indicated on the first page of each file where
> + they apply.
> +
> + Parts of this file were derived from code written by Altera Corporation
> + and distributed under the following license:
> +
> + Copyright (c) 2006 Altera Corporation, San Jose, California, USA.
> + All rights reserved.
> +
> + Permission is hereby granted, free of charge, to any person obtaining a
> + copy of this software and associated documentation files (the "Software"),
> + to deal in the Software without restriction, including without limitation
> + the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + and/or sell copies of the Software, and to permit persons to whom the
> + Software is furnished to do so, subject to the following conditions:
> +
> + The above copyright notice and this permission notice shall be included in
> + all copies or substantial portions of the Software.
> +
> + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> + DEALINGS IN THE SOFTWARE.
> +
> + This agreement shall be governed in all respects by the laws of the State
> + of California and by the laws of the United States of America.
> +*/
> +
> +/* Cache sizes. */
> +
> +#define NIOS2_ICACHE_LINE_SIZE 32
> +#define NIOS2_ICACHE_SIZE 32768
> +#define NIOS2_DCACHE_LINE_SIZE 32
> +#define NIOS2_DCACHE_SIZE 32768
> +
> +/* External symbols. */
> + .globl __stack
> + .globl __gp
> + .globl __bss_start
> + .globl __bss_end
> + .weak exit
> +
> +/* Processor reset code lives at the base of RAM. At reset, only the cache
> + line that contains the reset vector is initialized; the reset code has
> + to fit in this cache line and initialize the remainder of the instruction
> + cache. */
> +
> + .section .text.entry, "ax"
> + .align 5
> + .set noat
> +
> + .globl __reset
> + .type __reset, @function
> +__reset:
> +
> + /* Initialize the icache. */
> + movui r2, NIOS2_ICACHE_SIZE
> +0:
> + initi r2
> + addi r2, r2, -NIOS2_ICACHE_LINE_SIZE
> + bgt r2, zero, 0b
> +1:
> + /* Jump to the __start entry point. */
> + movhi r1, %hi(__start)
> + ori r1, r1, %lo(__start)
> + jmp r1
> +
> + .size __reset, . - __reset
> +
> +
> +/* __start is the ELF entry point. */
> +
> + .section .text.start, "ax"
> + .align 4
> + .globl __start
> + .type __start, @function
> +
> +__start:
> +
> + /* Initialize the data cache. */
> + movui r2, NIOS2_DCACHE_SIZE
> +0:
> + initd 0(r2)
> + addi r2, r2, -NIOS2_DCACHE_LINE_SIZE
> + bgt r2, zero, 0b
> +1:
> +
> + /* Initialize the stack pointer. */
> + movhi sp, %hi(__stack)
> + ori sp, sp, %lo(__stack)
> +
> + /* Initialize the GP. */
> + movhi gp, %hi(_gp)
> + ori gp, gp, %lo(_gp)
> +
> + /* Clear BSS. */
> + movhi r2, %hi(__bss_start)
> + ori r2, r2, %lo(__bss_start)
> + movhi r3, %hi(__bss_end)
> + ori r3, r3, %lo(__bss_end)
> + beq r2, r3, 1f
> +0:
> + stw zero, (r2)
> + addi r2, r2, 4
> + bltu r2, r3, 0b
> +1:
> +
> + /* Run initializers. */
> + call __libc_init_array
> +
> + /* Call the C entry point. */
> + mov r4, zero /* argc */
> + mov r5, zero /* argv */
> + call main
> +
> + /* If main returns, call exit if it is defined. */
> + movhi r3, %hi(exit)
> + ori r3, r3, %lo(exit)
> + beq r3, zero, 2f
> + mov r4, r2 /* exit status from main */
> + callr r3
> +
> + /* Otherwise sit in busy loop. */
> +2:
> + br 2b
> + .size __start, . - __start
> diff --git a/libgloss/nios2/getpid.c b/libgloss/nios2/getpid.c
> new file mode 100644
> index 0000000..d0ffbba
> --- /dev/null
> +++ b/libgloss/nios2/getpid.c
> @@ -0,0 +1,22 @@
> +/*
> + * kill.c
> + *
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +/* Minimal implementation of getpid for a target system without processes. */
> +int
> +getpid ()
> +{
> + return 1;
> +}
> diff --git a/libgloss/nios2/io-close.c b/libgloss/nios2/io-close.c
> new file mode 100644
> index 0000000..676fbba
> --- /dev/null
> +++ b/libgloss/nios2/io-close.c
> @@ -0,0 +1,43 @@
> +/*
> + * io-close.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <unistd.h>
> +#include <errno.h>
> +#define IO close
> +#include "io.h"
> +
> +/*
> + * close -- close a file descriptor.
> + * input parameters:
> + * 0 : file descriptor
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +int close (int fd)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + parameters[0] = (uint32_t) fd;
> + __io_hosted (HOSTED_CLOSE, parameters);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + return parameters[0];
> +#else
> + return 0;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-exit.c b/libgloss/nios2/io-exit.c
> new file mode 100644
> index 0000000..e9801c4
> --- /dev/null
> +++ b/libgloss/nios2/io-exit.c
> @@ -0,0 +1,30 @@
> +/*
> + * io-exit.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#if HOSTED
> +#include "io.h"
> +
> +/*
> + * _exit -- Exit from the application.
> + */
> +
> +void __attribute__ ((noreturn)) _exit (int code)
> +{
> + while (1)
> + __io_hosted (HOSTED_EXIT, (void *)code);
> +}
> +#endif
> diff --git a/libgloss/nios2/io-fstat.c b/libgloss/nios2/io-fstat.c
> new file mode 100644
> index 0000000..113ef8e
> --- /dev/null
> +++ b/libgloss/nios2/io-fstat.c
> @@ -0,0 +1,50 @@
> +/*
> + * io-fstat.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <unistd.h>
> +#include <errno.h>
> +#define IO fstat
> +#include "io.h"
> +
> +/*
> + * fstat -- get file information
> + * input parameters:
> + * 0 : file descriptor
> + * 1 : stat buf ptr
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +int fstat (int fd, struct stat *buf)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + struct gdb_stat gbuf;
> + parameters[0] = (uint32_t) fd;
> + parameters[1] = (uint32_t) &gbuf;
> + __io_hosted (HOSTED_FSTAT, parameters);
> + __hosted_from_gdb_stat (&gbuf, buf);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + return parameters[0];
> +#else
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-gdb.c b/libgloss/nios2/io-gdb.c
> new file mode 100644
> index 0000000..ee58559
> --- /dev/null
> +++ b/libgloss/nios2/io-gdb.c
> @@ -0,0 +1,152 @@
> +/*
> + * hosted io support for GDB's remote fileio protocol
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include "io.h"
> +#include <fcntl.h>
> +#include <unistd.h>
> +#include <errno.h>
> +
> +gdb_mode_t
> +__hosted_to_gdb_mode_t (mode_t m)
> +{
> + gdb_mode_t result = 0;
> + if (m & S_IFREG)
> + result |= GDB_S_IFREG;
> + if (m & S_IFDIR)
> + result |= GDB_S_IFDIR;
> + if (m & S_IRUSR)
> + result |= GDB_S_IRUSR;
> + if (m & S_IWUSR)
> + result |= GDB_S_IWUSR;
> + if (m & S_IXUSR)
> + result |= GDB_S_IXUSR;
> + if (m & S_IRGRP)
> + result |= GDB_S_IRGRP;
> + if (m & S_IWGRP)
> + result |= GDB_S_IWGRP;
> + if (m & S_IXGRP)
> + result |= GDB_S_IXGRP;
> + if (m & S_IROTH)
> + result |= GDB_S_IROTH;
> + if (m & S_IWOTH)
> + result |= GDB_S_IWOTH;
> + if (m & S_IXOTH)
> + result |= GDB_S_IXOTH;
> + return result;
> +}
> +
> +int32_t
> +__hosted_to_gdb_open_flags (int f)
> +{
> + int32_t result = 0;
> + if (f & O_RDONLY)
> + result |= GDB_O_RDONLY;
> + if (f & O_WRONLY)
> + result |= GDB_O_WRONLY;
> + if (f & O_RDWR)
> + result |= GDB_O_RDWR;
> + if (f & O_APPEND)
> + result |= GDB_O_APPEND;
> + if (f & O_CREAT)
> + result |= GDB_O_CREAT;
> + if (f & O_TRUNC)
> + result |= GDB_O_TRUNC;
> + if (f & O_EXCL)
> + result |= GDB_O_EXCL;
> + return result;
> +}
> +
> +int32_t
> +__hosted_to_gdb_lseek_flags (int f)
> +{
> + if (f == SEEK_CUR)
> + return GDB_SEEK_CUR;
> + else if (f == SEEK_END)
> + return GDB_SEEK_END;
> + else
> + return GDB_SEEK_SET;
> +}
> +
> +/* The GDB remote protocol documentation specifies that integer fields
> + within structures are stored in big-endian byte order. On little-endian
> + targets, we have to byte-swap the values to match the target. */
> +#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
> +#define SWAP32(n) __builtin_bswap32 (n)
> +#define SWAP64(n) __builtin_bswap64 (n)
> +#else
> +#define SWAP32(n) (n)
> +#define SWAP64(n) (n)
> +#endif /* __BYTE_ORDER__ */
> +
> +void
> +__hosted_from_gdb_stat (const struct gdb_stat *gs,
> + struct stat *s)
> +{
> + s->st_dev = SWAP32 (gs->st_dev);
> + s->st_ino = SWAP32 (gs->st_ino);
> + s->st_mode = SWAP32 (gs->st_mode);
> + s->st_nlink = SWAP32 (gs->st_nlink);
> + s->st_uid = SWAP32 (gs->st_uid);
> + s->st_gid = SWAP32 (gs->st_gid);
> + s->st_rdev = SWAP32 (gs->st_rdev);
> + s->st_size = SWAP64 (gs->st_size);
> + s->st_blksize = SWAP64 (gs->st_blksize);
> + s->st_blocks = SWAP64 (gs->st_blocks);
> + s->st_atime = SWAP32 (gs->st_atime);
> + s->st_mtime = SWAP32 (gs->st_mtime);
> + s->st_ctime = SWAP32 (gs->st_ctime);
> +}
> +
> +void
> +__hosted_from_gdb_timeval (const struct gdb_timeval *gt,
> + struct timeval *t)
> +{
> + t->tv_sec = SWAP32 (gt->tv_sec);
> + t->tv_usec = SWAP64 (gt->tv_usec);
> +}
> +
> +int
> +__hosted_from_gdb_errno (int32_t err)
> +{
> + switch (err)
> + {
> + case 0: return 0;
> + case GDB_EPERM: return EPERM;
> + case GDB_ENOENT: return ENOENT;
> + case GDB_EINTR: return EINTR;
> + case GDB_EBADF: return EBADF;
> + case GDB_EACCES: return EACCES;
> + case GDB_EFAULT: return EFAULT;
> + case GDB_EBUSY: return EBUSY;
> + case GDB_EEXIST: return EEXIST;
> + case GDB_ENODEV: return ENODEV;
> + case GDB_ENOTDIR: return ENOTDIR;
> + case GDB_EISDIR: return EISDIR;
> + case GDB_EINVAL: return EINVAL;
> + case GDB_ENFILE: return ENFILE;
> + case GDB_EMFILE: return EMFILE;
> + case GDB_EFBIG: return EFBIG;
> + case GDB_ENOSPC: return ENOSPC;
> + case GDB_ESPIPE: return ESPIPE;
> + case GDB_EROFS: return EROFS;
> + case GDB_ENAMETOOLONG: return ENAMETOOLONG;
> + case GDB_EUNKNOWN:
> + default:
> + return EIO;
> + }
> +}
> +
> diff --git a/libgloss/nios2/io-gettimeofday.c b/libgloss/nios2/io-gettimeofday.c
> new file mode 100644
> index 0000000..1f5750e
> --- /dev/null
> +++ b/libgloss/nios2/io-gettimeofday.c
> @@ -0,0 +1,54 @@
> +/*
> + * io-gettimeofday.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <sys/time.h>
> +#include <errno.h>
> +#define IO gettimeofday
> +#include "io.h"
> +
> +/*
> + * gettimeofday -- get the current time
> + * input parameters:
> + * 0 : timeval ptr
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +int gettimeofday (struct timeval *tv, void *tzvp)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + struct gdb_timeval gtv;
> + struct timezone *tz = tzvp;
> + if (!tv)
> + return 0;
> + if (tz)
> + {
> + errno = EINVAL;
> + return -1;
> + }
> + parameters[0] = (uint32_t) >v;
> + __io_hosted (HOSTED_GETTIMEOFDAY, parameters);
> + __hosted_from_gdb_timeval (>v, tv);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + return parameters[0];
> +#else
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-isatty.c b/libgloss/nios2/io-isatty.c
> new file mode 100644
> index 0000000..ae33f08
> --- /dev/null
> +++ b/libgloss/nios2/io-isatty.c
> @@ -0,0 +1,43 @@
> +/*
> + * io-isatty.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <unistd.h>
> +#include <errno.h>
> +#define IO isatty
> +#include "io.h"
> +
> +/*
> + * isatty -- check if fd is a terminal
> + * input parameters:
> + * 0 : file descriptor
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +int isatty (int fd)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + parameters[0] = (uint32_t) fd;
> + __io_hosted (HOSTED_ISATTY, parameters);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + return parameters[0];
> +#else
> + return 1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-lseek.c b/libgloss/nios2/io-lseek.c
> new file mode 100644
> index 0000000..bfc23c1
> --- /dev/null
> +++ b/libgloss/nios2/io-lseek.c
> @@ -0,0 +1,52 @@
> +/*
> + * io-lseek.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <sys/types.h>
> +#include <unistd.h>
> +#include <errno.h>
> +#define IO lseek
> +#include "io.h"
> +
> +/*
> + * lseek -- reposition a file descriptor
> + * input parameters:
> + * 0 : file descriptor
> + * 1 : high word of offset
> + * 2 : low word of offset
> + * 3 : seek flag
> + * output parameters:
> + * 0 : high word of result
> + * 1 : low word of result
> + * 2 : errno
> + */
> +
> +off_t lseek (int fd, off_t offset, int whence)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + parameters[0] = (uint32_t) fd;
> + parameters[1] = (uint32_t) ((offset >> 32) & 0xffffffff);
> + parameters[2] = (uint32_t) (offset & 0xffffffff);
> + parameters[3] = __hosted_to_gdb_lseek_flags (whence);
> + __io_hosted (HOSTED_LSEEK, parameters);
> + errno = __hosted_from_gdb_errno (parameters[2]);
> + return ((uint64_t)parameters[0] << 32) | ((uint64_t)parameters[1]);
> +#else
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-nios2.S b/libgloss/nios2/io-nios2.S
> new file mode 100644
> index 0000000..0b818a8
> --- /dev/null
> +++ b/libgloss/nios2/io-nios2.S
> @@ -0,0 +1,31 @@
> +/*
> + * Low-level semihosting primitive for csky.
> + *
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +/* Implement
> + void __io_hosted (int func, void *args);
> + by causing a break 1. The break handler can find the two parameters in
> + r4 and r5 per the normal C calling convention. */
> +
> + .text
> + .align 2
> + .global __io_hosted
> + .type _io_hosted, @function
> +
> +__io_hosted:
> + break 1
> + ret
> +
> + .size __io_hosted, .-__io_hosted
> diff --git a/libgloss/nios2/io-open.c b/libgloss/nios2/io-open.c
> new file mode 100644
> index 0000000..885c646
> --- /dev/null
> +++ b/libgloss/nios2/io-open.c
> @@ -0,0 +1,62 @@
> +/*
> + * io-open.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <fcntl.h>
> +#include <stdarg.h>
> +#include <string.h>
> +#include <errno.h>
> +#define IO open
> +#include "io.h"
> +
> +/*
> + * open -- Open a file.
> + * input parameters:
> + * 0 : fname ptr
> + * 1 : fname length
> + * 2 : flags
> + * 3 : mode
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +int open (const char *fname, int flags, ...)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + parameters[0] = (uint32_t) fname;
> + parameters[1] = strlen (fname) + 1;
> + parameters[2] = __hosted_to_gdb_open_flags (flags);
> + if (flags & O_CREAT)
> + {
> + va_list ap;
> + va_start (ap, flags);
> + parameters[3] = __hosted_to_gdb_mode_t (va_arg (ap, mode_t));
> + va_end (ap);
> + }
> + else
> + parameters[3] = 0;
> + __io_hosted (HOSTED_OPEN, parameters);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + return parameters[0];
> +#else
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-read.c b/libgloss/nios2/io-read.c
> new file mode 100644
> index 0000000..91c475e
> --- /dev/null
> +++ b/libgloss/nios2/io-read.c
> @@ -0,0 +1,48 @@
> +/*
> + * io-read.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <unistd.h>
> +#include <errno.h>
> +#define IO read
> +#include "io.h"
> +
> +/*
> + * read -- read from a file descriptor
> + * input parameters:
> + * 0 : file descriptor
> + * 1 : buf ptr
> + * 2 : count
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +ssize_t read (int fd, void *buf, size_t count)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + parameters[0] = (uint32_t) fd;
> + parameters[1] = (uint32_t) buf;
> + parameters[2] = (uint32_t) count;
> + __io_hosted (HOSTED_READ, parameters);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + return parameters[0];
> +#else
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-rename.c b/libgloss/nios2/io-rename.c
> new file mode 100644
> index 0000000..1a6cbeb
> --- /dev/null
> +++ b/libgloss/nios2/io-rename.c
> @@ -0,0 +1,51 @@
> +/*
> + * io-rename.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <stdio.h>
> +#include <string.h>
> +#include <errno.h>
> +#define IO rename
> +#include "io.h"
> +
> +/*
> + * rename -- rename a file
> + * input parameters:
> + * 0 : oldname ptr
> + * 1 : oldname length
> + * 2 : newname ptr
> + * 3 : newname length
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +int _rename (const char *oldpath, const char *newpath)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + parameters[0] = (uint32_t) oldpath;
> + parameters[1] = (uint32_t) strlen (oldpath) + 1;
> + parameters[2] = (uint32_t) newpath;
> + parameters[3] = (uint32_t) strlen (newpath) + 1;
> + __io_hosted (HOSTED_RENAME, parameters);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + return parameters[0];
> +#else
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-stat.c b/libgloss/nios2/io-stat.c
> new file mode 100644
> index 0000000..3ba6f66
> --- /dev/null
> +++ b/libgloss/nios2/io-stat.c
> @@ -0,0 +1,54 @@
> +/*
> + * io-stat.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <string.h>
> +#include <sys/types.h>
> +#include <sys/stat.h>
> +#include <unistd.h>
> +#include <errno.h>
> +#define IO stat
> +#include "io.h"
> +
> +/*
> + * stat -- get file information
> + * input parameters:
> + * 0 : filename ptr
> + * 1 : filename length
> + * 2 : stat buf ptr
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +
> +int stat (const char *__restrict filename, struct stat *__restrict buf)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + struct gdb_stat gbuf;
> + parameters[0] = (uint32_t) filename;
> + parameters[1] = (uint32_t) strlen (filename) + 1;
> + parameters[2] = (uint32_t) &gbuf;
> + __io_hosted (HOSTED_STAT, parameters);
> + __hosted_from_gdb_stat (&gbuf, buf);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + return parameters[0];
> +#else
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-system.c b/libgloss/nios2/io-system.c
> new file mode 100644
> index 0000000..bb7c590
> --- /dev/null
> +++ b/libgloss/nios2/io-system.c
> @@ -0,0 +1,64 @@
> +/*
> + * io-system.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <stdlib.h>
> +#include <string.h>
> +#include <errno.h>
> +#include <sys/wait.h>
> +#define IO _system
> +#include "io.h"
> +
> +/*
> + * system: execute command on (remote) host
> + * input parameters:
> + * 0 : command ptr
> + * 1 : command length
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +int _system (const char *command)
> +{
> +#if HOSTED
> + int e;
> + gdb_parambuf_t parameters;
> +
> + parameters[0] = (uint32_t) command;
> + parameters[1] = command ? (uint32_t) strlen (command) + 1 : 0;
> + __io_hosted (HOSTED_SYSTEM, parameters);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + e = parameters[0];
> + if (e >= 0 && command)
> + {
> + /* We have to convert e, an exit status to the encoded status of
> + the command. To avoid hard coding the exit status, we simply
> + loop until we find the right position. */
> + int exit_code;
> +
> + for (exit_code = e; e && WEXITSTATUS (e) != exit_code; e <<= 1)
> + continue;
> + }
> +
> + return e;
> +#else
> + if (!command)
> + return 0;
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-time.c b/libgloss/nios2/io-time.c
> new file mode 100644
> index 0000000..03707c6
> --- /dev/null
> +++ b/libgloss/nios2/io-time.c
> @@ -0,0 +1,46 @@
> +/*
> + * io-time.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <sys/time.h>
> +#include <errno.h>
> +#define IO time
> +#include "io.h"
> +
> +/*
> + * time -- get the current time
> + * input parameters:
> + * 0 : timeval ptr
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +time_t time (time_t *t)
> +{
> +#if HOSTED
> + struct timeval tv;
> +
> + if (gettimeofday (&tv, NULL))
> + return -1;
> + if (t)
> + *t = tv.tv_sec;
> + return tv.tv_sec;
> +#else
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-unlink.c b/libgloss/nios2/io-unlink.c
> new file mode 100644
> index 0000000..b6ac921
> --- /dev/null
> +++ b/libgloss/nios2/io-unlink.c
> @@ -0,0 +1,47 @@
> +/*
> + * io-unlink.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <stdio.h>
> +#include <string.h>
> +#include <errno.h>
> +#define IO unlink
> +#include "io.h"
> +
> +/*
> + * unlink -- unlink (delete) a file
> + * input parameters:
> + * 0 : filename ptr
> + * 1 : filename length
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +int unlink (const char *path)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + parameters[0] = (uint32_t) path;
> + parameters[1] = (uint32_t) strlen (path) + 1;
> + __io_hosted (HOSTED_UNLINK, parameters);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + return parameters[0];
> +#else
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io-write.c b/libgloss/nios2/io-write.c
> new file mode 100644
> index 0000000..f26268c
> --- /dev/null
> +++ b/libgloss/nios2/io-write.c
> @@ -0,0 +1,48 @@
> +/*
> + * io-write.c --
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <unistd.h>
> +#include <errno.h>
> +#define IO write
> +#include "io.h"
> +
> +/*
> + * write -- write to a file descriptor
> + * input parameters:
> + * 0 : file descriptor
> + * 1 : buf ptr
> + * 2 : count
> + * output parameters:
> + * 0 : result
> + * 1 : errno
> + */
> +
> +ssize_t write (int fd, const void *buf, size_t count)
> +{
> +#if HOSTED
> + gdb_parambuf_t parameters;
> + parameters[0] = (uint32_t) fd;
> + parameters[1] = (uint32_t) buf;
> + parameters[2] = (uint32_t) count;
> + __io_hosted (HOSTED_WRITE, parameters);
> + errno = __hosted_from_gdb_errno (parameters[1]);
> + return parameters[0];
> +#else
> + errno = ENOSYS;
> + return -1;
> +#endif
> +}
> diff --git a/libgloss/nios2/io.h b/libgloss/nios2/io.h
> new file mode 100644
> index 0000000..e118435
> --- /dev/null
> +++ b/libgloss/nios2/io.h
> @@ -0,0 +1,154 @@
> +/*
> + * hosted & unhosted io support.
> + *
> + * Copyright (c) 2006 CodeSourcery Inc
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#if HOSTED
> +#include <stdint.h>
> +#include <sys/types.h>
> +#include <sys/time.h>
> +#include <sys/stat.h>
> +
> +#define HOSTED_EXIT 0
> +#define HOSTED_INIT_SIM 1
> +#define HOSTED_OPEN 2
> +#define HOSTED_CLOSE 3
> +#define HOSTED_READ 4
> +#define HOSTED_WRITE 5
> +#define HOSTED_LSEEK 6
> +#define HOSTED_RENAME 7
> +#define HOSTED_UNLINK 8
> +#define HOSTED_STAT 9
> +#define HOSTED_FSTAT 10
> +#define HOSTED_GETTIMEOFDAY 11
> +#define HOSTED_ISATTY 12
> +#define HOSTED_SYSTEM 13
> +
> +/* This function is provided by the board's BSP, because the precise
> + mechanism of informing gdb is board specific. */
> +extern void __io_hosted (int func, void *args);
> +
> +/* Protocol specific representation of datatypes, as specified in D.9.11
> + * of the GDB manual. The values here are stored in big-endian order. */
> +
> +typedef uint32_t gdb_mode_t;
> +typedef uint32_t gdb_time_t;
> +
> +struct gdb_stat {
> + uint32_t st_dev; /* device */
> + uint32_t st_ino; /* inode */
> + gdb_mode_t st_mode; /* protection */
> + uint32_t st_nlink; /* number of hard links */
> + uint32_t st_uid; /* user ID of owner */
> + uint32_t st_gid; /* group ID of owner */
> + uint32_t st_rdev; /* device type (if inode device) */
> + uint64_t st_size; /* total size, in bytes */
> + uint64_t st_blksize; /* blocksize for filesystem I/O */
> + uint64_t st_blocks; /* number of blocks allocated */
> + gdb_time_t st_atime; /* time of last access */
> + gdb_time_t st_mtime; /* time of last modification */
> + gdb_time_t st_ctime; /* time of last change */
> +};
> +
> +struct gdb_timeval {
> + gdb_time_t tv_sec; /* second */
> + uint64_t tv_usec; /* microsecond */
> +};
> +
> +
> +/* Parameters are passed between the library and the debugging stub
> + * in a fixed-size buffer.
> + */
> +
> +typedef uint32_t gdb_parambuf_t[4];
> +
> +/* open flags */
> +
> +#define GDB_O_RDONLY 0x0
> +#define GDB_O_WRONLY 0x1
> +#define GDB_O_RDWR 0x2
> +#define GDB_O_APPEND 0x8
> +#define GDB_O_CREAT 0x200
> +#define GDB_O_TRUNC 0x400
> +#define GDB_O_EXCL 0x800
> +
> +/* mode_t values */
> +
> +#define GDB_S_IFREG 0100000
> +#define GDB_S_IFDIR 040000
> +#define GDB_S_IRUSR 0400
> +#define GDB_S_IWUSR 0200
> +#define GDB_S_IXUSR 0100
> +#define GDB_S_IRGRP 040
> +#define GDB_S_IWGRP 020
> +#define GDB_S_IXGRP 010
> +#define GDB_S_IROTH 04
> +#define GDB_S_IWOTH 02
> +#define GDB_S_IXOTH 01
> +
> +/* errno values */
> +
> +#define GDB_EPERM 1
> +#define GDB_ENOENT 2
> +#define GDB_EINTR 4
> +#define GDB_EBADF 9
> +#define GDB_EACCES 13
> +#define GDB_EFAULT 14
> +#define GDB_EBUSY 16
> +#define GDB_EEXIST 17
> +#define GDB_ENODEV 19
> +#define GDB_ENOTDIR 20
> +#define GDB_EISDIR 21
> +#define GDB_EINVAL 22
> +#define GDB_ENFILE 23
> +#define GDB_EMFILE 24
> +#define GDB_EFBIG 27
> +#define GDB_ENOSPC 28
> +#define GDB_ESPIPE 29
> +#define GDB_EROFS 30
> +#define GDB_ENAMETOOLONG 91
> +#define GDB_EUNKNOWN 9999
> +
> +/* lseek flags */
> +
> +#define GDB_SEEK_SET 0
> +#define GDB_SEEK_CUR 1
> +#define GDB_SEEK_END 2
> +
> +
> +/* conversion functions */
> +
> +extern gdb_mode_t __hosted_to_gdb_mode_t (mode_t m);
> +extern int32_t __hosted_to_gdb_open_flags (int f);
> +extern int32_t __hosted_to_gdb_lseek_flags (int f);
> +
> +extern void __hosted_from_gdb_stat (const struct gdb_stat *gs,
> + struct stat *s);
> +extern void __hosted_from_gdb_timeval (const struct gdb_timeval *gt,
> + struct timeval *t);
> +extern int __hosted_from_gdb_errno (int32_t err);
> +
> +#else
> +#ifdef IO
> +#define IO_NAME_(IO) __hosted_##IO
> +#define IO_NAME(IO) IO_NAME_(IO)
> +#define IO_STRING_(IO) #IO
> +#define IO_STRING(IO) IO_STRING_(IO)
> +/* Emit an object that causes a gnu linker warning. */
> +static const char IO_NAME (IO) []
> +__attribute__ ((section (".gnu.warning"), used)) =
> +"IO function '" IO_STRING (IO) "' used";
> +#endif
> +#endif
> diff --git a/libgloss/nios2/kill.c b/libgloss/nios2/kill.c
> new file mode 100644
> index 0000000..972b599
> --- /dev/null
> +++ b/libgloss/nios2/kill.c
> @@ -0,0 +1,27 @@
> +/*
> + * kill.c
> + *
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +/* Minimal implementation of kill for a target system without processes. */
> +
> +extern void _exit (int);
> +
> +int
> +kill (int pid, int sig)
> +{
> + if (pid == 1)
> + _exit (sig);
> + return 0;
> +}
> diff --git a/libgloss/nios2/qemu-hosted.ld b/libgloss/nios2/qemu-hosted.ld
> new file mode 100644
> index 0000000..28a38b1
> --- /dev/null
> +++ b/libgloss/nios2/qemu-hosted.ld
> @@ -0,0 +1,210 @@
> +/* qemu-hosted.ld -- Linker script for QEMU generic-nommu board emulation.
> +
> + Copyright (c) 2018 Mentor Graphics
> +
> + The authors hereby grant permission to use, copy, modify, distribute,
> + and license this software and its documentation for any purpose, provided
> + that existing copyright notices are retained in all copies and that this
> + notice is included verbatim in any distributions. No written agreement,
> + license, or royalty fee is required for any of the authorized uses.
> + Modifications to this software may be copyrighted by their authors
> + and need not follow the licensing terms described here, provided that
> + the new terms are clearly indicated on the first page of each file where
> + they apply.
> +
> + Parts of this file were derived from code written by Altera Corporation
> + and distributed under the following license:
> +
> + Copyright (c) 2008
> + Altera Corporation, San Jose, California, USA.
> + All rights reserved.
> +
> + Permission is hereby granted, free of charge, to any person obtaining a
> + copy of this software and associated documentation files (the "Software"),
> + to deal in the Software without restriction, including without limitation
> + the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + and/or sell copies of the Software, and to permit persons to whom the
> + Software is furnished to do so, subject to the following conditions:
> +
> + The above copyright notice and this permission notice shall be included in
> + all copies or substantial portions of the Software.
> +
> + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> + DEALINGS IN THE SOFTWARE.
> +
> + This agreement shall be governed in all respects by the laws of the State
> + of California and by the laws of the United States of America.
> +
> +*/
> +
> +ENTRY(__start)
> +SEARCH_DIR(.)
> +GROUP(-lgcc -lc -lnios2)
> +
> +MEMORY
> +{
> + rom (rx) : ORIGIN = 0x0, LENGTH = 64M
> + ram (rwx) : ORIGIN = 0x10000000, LENGTH = 128M
> + tlbmiss (rwx) : ORIGIN = 0x7fff400, LENGTH = 1K
> + descriptor (rwx) : ORIGIN = 0x8002000, LENGTH = 8K
> +}
> +
> +/* Force the linker to search for these symbols from
> + the start of the link process. */
> +EXTERN(__reset)
> +EXTERN(__start)
> +EXTERN(main __stack __heap_start __heap_end __heap_end)
> +
> +/* Where to put the stack and heap. Allocate 1M heap space. */
> +PROVIDE(__heap_start = _end);
> +PROVIDE(__heap_end = _end + 100000);
> +PROVIDE(__stack = 0x18000000);
> +
> +/* Force exit to be picked up in a hosted environment. */
> +EXTERN(exit atexit)
> +
> +/* Ensure that newlib runs the finalizers. */
> +__libc_fini = _fini;
> +
> +SECTIONS
> +{
> + .text :
> + {
> + _ftext = .;
> + *(.text.entry)
> + *(.text.start)
> + *(.text .text.* .gnu.linkonce.t.*)
> +
> + . = ALIGN(0x4);
> + KEEP (*crtbegin.o(.jcr))
> + KEEP (*(EXCLUDE_FILE (*crtend.o) .jcr))
> + KEEP (*crtend.o(.jcr))
> +
> + . = ALIGN(0x4);
> + *(.gcc_except_table .gcc_except_table.*)
> + *(.gnu_extab .gnu_extab.*)
> + } > ram
> + .eh_frame_hdr : ALIGN (4)
> + {
> + KEEP (*(.eh_frame_hdr))
> + *(.eh_frame_entry .eh_frame_entry.*)
> + } > ram
> + .eh_frame : ALIGN (4)
> + {
> + KEEP (*(.eh_frame)) *(.eh_frame.*)
> + } > ram
> + .note.gnu.build-id : ALIGN (4)
> + {
> + KEEP (*(.note.gnu.build-id))
> + } > ram
> + .rodata : ALIGN (4)
> + {
> + *(.rodata .rodata.* .gnu.linkonce.r.*)
> +
> + . = ALIGN(4);
> + KEEP(*(.init))
> +
> + . = ALIGN(4);
> + __preinit_array_start = .;
> + KEEP (*(.preinit_array))
> + __preinit_array_end = .;
> +
> + . = ALIGN(4);
> + __init_array_start = .;
> + KEEP (*(SORT(.init_array.*)))
> + KEEP (*(.init_array))
> + __init_array_end = .;
> +
> + . = ALIGN(4);
> + KEEP(*(.fini))
> +
> + . = ALIGN(4);
> + __fini_array_start = .;
> + KEEP (*(.fini_array))
> + KEEP (*(SORT(.fini_array.*)))
> + __fini_array_end = .;
> +
> + . = ALIGN(0x4);
> + KEEP (*crtbegin.o(.ctors))
> + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
> + KEEP (*(SORT(.ctors.*)))
> + KEEP (*crtend.o(.ctors))
> +
> + . = ALIGN(0x4);
> + KEEP (*crtbegin.o(.dtors))
> + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
> + KEEP (*(SORT(.dtors.*)))
> + KEEP (*crtend.o(.dtors))
> +
> + *(.lit)
> +
> + . = ALIGN (8);
> + _etext = .;
> + } > ram
> +
> + .data : ALIGN (8)
> + {
> + *(.shdata)
> + *(.data .data.* .gnu.linkonce.d.*)
> + . = ALIGN(8);
> + _gp = ABSOLUTE(. + 0x8000);
> + *(.got.plt) *(.got)
> + *(.lit8)
> + *(.lit4)
> + *(.sdata .sdata.* .gnu.linkonce.s.*)
> + . = ALIGN (8);
> + *(.ram)
> + . = ALIGN (8);
> + _edata = .;
> + } > ram
> + .bss : ALIGN (8)
> + {
> + __bss_start = ABSOLUTE(.);
> + *(.sbss .sbss.* .gnu.linkonce.sb.*)
> + *(.scommon)
> + *(.bss .bss.* .gnu.linkonce.b.*)
> + *(COMMON)
> + . = ALIGN (8);
> + __bss_end = ABSOLUTE(.);
> + _end = .;
> + __end = .;
> + } > ram
> +
> + .stab 0 (NOLOAD) : { *(.stab) }
> + .stabstr 0 (NOLOAD) : { *(.stabstr) }
> + /* DWARF debug sections.
> + * Symbols in the DWARF debugging sections are relative to
> + * the beginning of the section so we begin them at 0.
> + */
> + /* DWARF 1 */
> + .debug 0 : { *(.debug) }
> + .line 0 : { *(.line) }
> + /* GNU DWARF 1 extensions */
> + .debug_srcinfo 0 : { *(.debug_srcinfo) }
> + .debug_sfnames 0 : { *(.debug_sfnames) }
> + /* DWARF 1.1 and DWARF 2 */
> + .debug_aranges 0 : { *(.debug_aranges) }
> + .debug_pubnames 0 : { *(.debug_pubnames) }
> + /* DWARF 2 */
> + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
> + .debug_abbrev 0 : { *(.debug_abbrev) }
> + .debug_line 0 : { *(.debug_line) }
> + .debug_frame 0 : { *(.debug_frame) }
> + .debug_str 0 : { *(.debug_str) }
> + .debug_loc 0 : { *(.debug_loc) }
> + .debug_macinfo 0 : { *(.debug_macinfo) }
> + /* DWARF 2.1 */
> + .debug_ranges 0 : { *(.debug_ranges) }
> + /* SGI/MIPS DWARF 2 extensions */
> + .debug_weaknames 0 : { *(.debug_weaknames) }
> + .debug_funcnames 0 : { *(.debug_funcnames) }
> + .debug_typenames 0 : { *(.debug_typenames) }
> + .debug_varnames 0 : { *(.debug_varnames) }
> +
> + .debug_alt_sim_info 0 : { *(.debug_alt_sim_info) }
> +}
> diff --git a/libgloss/nios2/sbrk.c b/libgloss/nios2/sbrk.c
> new file mode 100644
> index 0000000..1b309ec
> --- /dev/null
> +++ b/libgloss/nios2/sbrk.c
> @@ -0,0 +1,42 @@
> +/*
> + * sbrk.c
> + *
> + * Copyright (c) 2018 Mentor Graphics
> + *
> + * The authors hereby grant permission to use, copy, modify, distribute,
> + * and license this software and its documentation for any purpose, provided
> + * that existing copyright notices are retained in all copies and that this
> + * notice is included verbatim in any distributions. No written agreement,
> + * license, or royalty fee is required for any of the authorized uses.
> + * Modifications to this software may be copyrighted by their authors
> + * and need not follow the licensing terms described here, provided that
> + * the new terms are clearly indicated on the first page of each file where
> + * they apply.
> + */
> +
> +#include <errno.h>
> +/*
> + * sbrk -- changes heap size size. Get nbytes more
> + * RAM. We just increment a pointer in what's
> + * left of memory on the board.
> + */
> +
> +/* Provided by the linker script. */
> +extern char __heap_start[] __attribute__ ((aligned (8)));
> +extern char __heap_end[] __attribute__ ((aligned (8)));
> +
> +void *
> +sbrk (int nbytes)
> +{
> + static char *heap = __heap_start;
> + char *base = heap;
> + char *new_heap = heap + nbytes;
> +
> + if (nbytes < 0 || new_heap > __heap_end)
> + {
> + errno = ENOMEM;
> + return (void *)-1;
> + }
> + heap = new_heap;
> + return base;
> +}
--
Corinna Vinschen
Cygwin Maintainer
Red Hat
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