newlib/libc/machine/h8300/aclocal.m4

   1 dnl aclocal.m4 generated automatically by aclocal 1.4
   2
   3 dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
   4 dnl This file is free software; the Free Software Foundation
   5 dnl gives unlimited permission to copy and/or distribute it,
   6 dnl with or without modifications, as long as this notice is preserved.
   7
   8 dnl This program is distributed in the hope that it will be useful,
   9 dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
  10 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
  11 dnl PARTICULAR PURPOSE.
  12
  13 dnl This provides configure definitions used by all the newlib
  14 dnl configure.in files.
  15
  16 dnl Basic newlib configury.  This calls basic introductory stuff,
  17 dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST.  It also runs
  18 dnl configure.host.  The only argument is the relative path to the top
  19 dnl newlib directory.
  20
  21 AC_DEFUN(NEWLIB_CONFIGURE,
  22 [
  23 dnl Default to --enable-multilib
  24 AC_ARG_ENABLE(multilib,
  25 [  --enable-multilib         build many library versions (default)],
  26 [case "${enableval}" in
  27   yes) multilib=yes ;;
  28   no)  multilib=no ;;
  29   *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
  30  esac], [multilib=yes])dnl
  31
  32 dnl Support --enable-target-optspace
  33 AC_ARG_ENABLE(target-optspace,
  34 [  --enable-target-optspace  optimize for space],
  35 [case "${enableval}" in
  36   yes) target_optspace=yes ;;
  37   no)  target_optspace=no ;;
  38   *)   AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;
  39  esac], [target_optspace=])dnl
  40
  41 dnl Support --enable-malloc-debugging - currently only supported for Cygwin
  42 AC_ARG_ENABLE(malloc-debugging,
  43 [  --enable-malloc-debugging indicate malloc debugging requested],
  44 [case "${enableval}" in
  45   yes) malloc_debugging=yes ;;
  46   no)  malloc_debugging=no ;;
  47   *)   AC_MSG_ERROR(bad value ${enableval} for malloc-debugging option) ;;
  48  esac], [malloc_debugging=])dnl
  49
  50 dnl Support --enable-newlib-mb
  51 AC_ARG_ENABLE(newlib-mb,
  52 [  --enable-newlib-mb        enable multibyte support],
  53 [case "${enableval}" in
  54   yes) newlib_mb=yes ;;
  55   no)  newlib_mb=no ;;
  56   *)   AC_MSG_ERROR(bad value ${enableval} for newlib-mb option) ;;
  57  esac], [newlib_mb=no])dnl
  58
  59 dnl Support --disable-newlib-io-float
  60 AC_ARG_ENABLE(newlib-io-float,
  61 [  --disable-newlib-io-float disable printf/scanf family float support],
  62 [case "${enableval}" in
  63   yes) newlib_io_float=yes ;;
  64   no)  newlib_io_float=no ;;
  65   *)   AC_MSG_ERROR(bad value ${enableval} for newlib-io-float option) ;;
  66  esac], [newlib_io_float=yes])dnl
  67
  68
  69 dnl We may get other options which we don't document:
  70 dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
  71
  72 test -z "[$]{with_target_subdir}" && with_target_subdir=.
  73
  74 if test "[$]{srcdir}" = "."; then
  75   if test "[$]{with_target_subdir}" != "."; then
  76     newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
  77   else
  78     newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
  79   fi
  80 else
  81   newlib_basedir="[$]{srcdir}/$1"
  82 fi
  83 AC_SUBST(newlib_basedir)
  84
  85 AC_CANONICAL_HOST
  86
  87 AM_INIT_AUTOMAKE(newlib, 1.10.0)
  88
  89 # FIXME: We temporarily define our own version of AC_PROG_CC.  This is
  90 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
  91 # are probably using a cross compiler, which will not be able to fully
  92 # link an executable.  This should really be fixed in autoconf
  93 # itself.
  94
  95 AC_DEFUN(LIB_AC_PROG_CC,
  96 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
  97 AC_CHECK_PROG(CC, gcc, gcc)
  98 if test -z "$CC"; then
  99   AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
 100   test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
 101 fi
 102
 103 AC_PROG_CC_GNU
 104
 105 if test $ac_cv_prog_gcc = yes; then
 106   GCC=yes
 107 dnl Check whether -g works, even if CFLAGS is set, in case the package
 108 dnl plays around with CFLAGS (such as to build both debugging and
 109 dnl normal versions of a library), tasteless as that idea is.
 110   ac_test_CFLAGS="${CFLAGS+set}"
 111   ac_save_CFLAGS="$CFLAGS"
 112   CFLAGS=
 113   AC_PROG_CC_G
 114   if test "$ac_test_CFLAGS" = set; then
 115     CFLAGS="$ac_save_CFLAGS"
 116   elif test $ac_cv_prog_cc_g = yes; then
 117     CFLAGS="-g -O2"
 118   else
 119     CFLAGS="-O2"
 120   fi
 121 else
 122   GCC=
 123   test "${CFLAGS+set}" = set || CFLAGS="-g"
 124 fi
 125 ])
 126
 127 LIB_AC_PROG_CC
 128
 129 # AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD).  If we don't
 130 # run it explicitly here, it will be run implicitly before
 131 # NEWLIB_CONFIGURE, which doesn't work because that means that it will
 132 # be run before AC_CANONICAL_HOST.
 133 AC_CANONICAL_BUILD
 134
 135 AC_CHECK_TOOL(AS, as)
 136 AC_CHECK_TOOL(AR, ar)
 137 AC_CHECK_TOOL(RANLIB, ranlib, :)
 138
 139 AC_PROG_INSTALL
 140
 141 AM_MAINTAINER_MODE
 142
 143 # We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
 144 # at least currently, we never actually build a program, so we never
 145 # need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
 146 # fails, because we are probably configuring with a cross compiler
 147 # which can't create executables.  So we include AC_EXEEXT to keep
 148 # automake happy, but we don't execute it, since we don't care about
 149 # the result.
 150 if false; then
 151   AC_EXEEXT
 152 fi
 153
 154 . [$]{newlib_basedir}/configure.host
 155
 156 case [$]{newlib_basedir} in
 157 /* | [A-Za-z]:[/\\]*) newlib_flagbasedir=[$]{newlib_basedir} ;;
 158 *) newlib_flagbasedir='[$](top_builddir)/'[$]{newlib_basedir} ;;
 159 esac
 160
 161 newlib_cflags="[$]{newlib_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{newlib_flagbasedir}/libc/include"
 162 case "${host}" in
 163   *-*-cygwin*)
 164     newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}/../winsup/cygwin/include  -I[$]{newlib_flagbasedir}/../winsup/w32api/include"
 165     ;;
 166 esac
 167
 168 newlib_cflags="[$]{newlib_cflags} -fno-builtin"
 169
 170 NEWLIB_CFLAGS=${newlib_cflags}
 171 AC_SUBST(NEWLIB_CFLAGS)
 172
 173 LDFLAGS=${ldflags}
 174 AC_SUBST(LDFLAGS)
 175
 176 AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)
 177 AC_SUBST(oext)
 178 AC_SUBST(aext)
 179
 180 AC_SUBST(libm_machine_dir)
 181 AC_SUBST(machine_dir)
 182 AC_SUBST(sys_dir)
 183 ])
 184
 185 # Do all the work for Automake.  This macro actually does too much --
 186 # some checks are only needed if your package does certain things.
 187 # But this isn't really a big deal.
 188
 189 # serial 1
 190
 191 dnl Usage:
 192 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
 193
 194 AC_DEFUN(AM_INIT_AUTOMAKE,
 195 [AC_REQUIRE([AC_PROG_INSTALL])
 196 PACKAGE=[$1]
 197 AC_SUBST(PACKAGE)
 198 VERSION=[$2]
 199 AC_SUBST(VERSION)
 200 dnl test to see if srcdir already configured
 201 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
 202   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
 203 fi
 204 ifelse([$3],,
 205 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
 206 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
 207 AC_REQUIRE([AM_SANITY_CHECK])
 208 AC_REQUIRE([AC_ARG_PROGRAM])
 209 dnl FIXME This is truly gross.
 210 missing_dir=`cd $ac_aux_dir && pwd`
 211 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
 212 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
 213 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
 214 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
 215 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
 216 AC_REQUIRE([AC_PROG_MAKE_SET])])
 217
 218 #
 219 # Check to make sure that the build environment is sane.
 220 #
 221
 222 AC_DEFUN(AM_SANITY_CHECK,
 223 [AC_MSG_CHECKING([whether build environment is sane])
 224 # Just in case
 225 sleep 1
 226 echo timestamp > conftestfile
 227 # Do `set' in a subshell so we don't clobber the current shell's
 228 # arguments.  Must try -L first in case configure is actually a
 229 # symlink; some systems play weird games with the mod time of symlinks
 230 # (eg FreeBSD returns the mod time of the symlink's containing
 231 # directory).
 232 if (
 233    set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
 234    if test "[$]*" = "X"; then
 235       # -L didn't work.
 236       set X `ls -t $srcdir/configure conftestfile`
 237    fi
 238    if test "[$]*" != "X $srcdir/configure conftestfile" \
 239       && test "[$]*" != "X conftestfile $srcdir/configure"; then
 240
 241       # If neither matched, then we have a broken ls.  This can happen
 242       # if, for instance, CONFIG_SHELL is bash and it inherits a
 243       # broken ls alias from the environment.  This has actually
 244       # happened.  Such a system could not be considered "sane".
 245       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
 246 alias in your environment])
 247    fi
 248
 249    test "[$]2" = conftestfile
 250    )
 251 then
 252    # Ok.
 253    :
 254 else
 255    AC_MSG_ERROR([newly created file is older than distributed files!
 256 Check your system clock])
 257 fi
 258 rm -f conftest*
 259 AC_MSG_RESULT(yes)])
 260
 261 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
 262 dnl The program must properly implement --version.
 263 AC_DEFUN(AM_MISSING_PROG,
 264 [AC_MSG_CHECKING(for working $2)
 265 # Run test in a subshell; some versions of sh will print an error if
 266 # an executable is not found, even if stderr is redirected.
 267 # Redirect stdin to placate older versions of autoconf.  Sigh.
 268 if ($2 --version) < /dev/null > /dev/null 2>&1; then
 269    $1=$2
 270    AC_MSG_RESULT(found)
 271 else
 272    $1="$3/missing $2"
 273    AC_MSG_RESULT(missing)
 274 fi
 275 AC_SUBST($1)])
 276
 277 # Add --enable-maintainer-mode option to configure.
 278 # From Jim Meyering
 279
 280 # serial 1
 281
 282 AC_DEFUN(AM_MAINTAINER_MODE,
 283 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
 284   dnl maintainer-mode is disabled by default
 285   AC_ARG_ENABLE(maintainer-mode,
 286 [  --enable-maintainer-mode enable make rules and dependencies not useful
 287                           (and sometimes confusing) to the casual installer],
 288       USE_MAINTAINER_MODE=$enableval,
 289       USE_MAINTAINER_MODE=no)
 290   AC_MSG_RESULT($USE_MAINTAINER_MODE)
 291   AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
 292   MAINT=$MAINTAINER_MODE_TRUE
 293   AC_SUBST(MAINT)dnl
 294 ]
 295 )
 296
 297 # Define a conditional.
 298
 299 AC_DEFUN(AM_CONDITIONAL,
 300 [AC_SUBST($1_TRUE)
 301 AC_SUBST($1_FALSE)
 302 if $2; then
 303   $1_TRUE=
 304   $1_FALSE='#'
 305 else
 306   $1_TRUE='#'
 307   $1_FALSE=
 308 fi])
 309