# host_cpu The configuration host CPU
# newlib_mb --enable-newlib-mb ("yes", "no")
# target_optspace --enable-target-optspace ("yes", "no", "")
+# newlib_multithread --enable-newlib-multithread ("yes", "no", "yes")
+# newlib_elix_level --enable-newlib-elix-level ("1","2","3","4") ("4")
+# newlib_io_c99_formats --enable-newlib-io-c99-formats ("yes", "no", "")
+# newlib_io_long_long --enable-newlib-io-long-long ("yes", "no", "")
+# newlib_io_long_double --enable-newlib-io-long-double ("yes", "no", "")
# It sets the following shell variables:
# newlib_cflags Special CFLAGS to use when building
# machine_dir Subdirectory of libc/machine to configure
# sys_dir Subdirectory of libc/sys to configure
+# have_sys_mach_dir Is there a machine subdirectory in sys subdirectory
# posix_dir "posix" to build libc/posix, "" otherwise
# signal_dir "signal" to build libc/signal, "" otherwise
+# stdio64_dir "stdio64" to build libc/stdio64, "" otherwise
# syscall_dir "syscalls" to build libc/syscalls, "" otherwise
# unix_dir "unix" to build libc/unix, "" otherwise
+# use_libtool flag: use libtool to build newlib?
+# aext library extension - needed for libtool support
+# oext object file extension - needed for libtool support
+# lpfx library object prefix - generated when no libtool
+# crt1 name of crt1 object if one is provided
+# crt1_dir directory where crt1 object is found
+# have_crt0 "yes"/"no" if crt0 is/isn't provided.
+# "" if crt0 is provided when sys_dir is set
newlib_cflags=
+libm_machine_dir=
machine_dir=
sys_dir=
posix_dir=
signal_dir=signal
+stdio_dir=stdio
+stdio64_dir=
syscall_dir=
unix_dir=
mach_add_setjmp=
+crt1=
+crt1_dir=
+have_crt0=
+use_libtool=no
+have_sys_mach_dir=no
+default_newlib_io_c99_formats=no
+default_newlib_io_long_long=no
+default_newlib_io_long_double=no
+default_newlib_io_pos_args=no
+default_newlib_atexit_dynamic_alloc=yes
+aext=a
+oext=o
+lpfx="lib_a-"
case "${target_optspace}:${host}" in
yes:*)
newlib_cflags="${newlib_cflags} -Os"
;;
- :m32r-* | :d10v-* | :d30v-*)
+ :m32r-* | :d10v-* | :d30v-* | :avr-* | :m32c-* )
newlib_cflags="${newlib_cflags} -Os"
;;
no:* | :*)
arm)
machine_dir=arm
;;
+ avr*)
+ newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mcall-prologues"
+ ;;
+ bfin)
+ machine_dir=bfin
+ ;;
+ cris | crisv32)
+ machine_dir=cris
+ ;;
+ crx*)
+ machine_dir=crx
+ ;;
d10v*)
machine_dir=d10v
;;
d30v*)
machine_dir=d30v
;;
+ ep9312)
+ machine_dir=arm
+ ;;
+ fido)
+ machine_dir=m68k
+ newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
+ ;;
fr30)
machine_dir=fr30
;;
+ frv)
+ machine_dir=frv
+ ;;
h8300)
machine_dir=h8300
;;
i960)
machine_dir=i960
;;
- i[3456]86)
+ i[34567]86)
# Don't use for these since they provide their own setjmp.
case ${host} in
- *-*-go32 | *-*-sco* | *-*-cygwin*)
+ *-*-sco* | *-*-cygwin*)
+ libm_machine_dir=i386
machine_dir=i386
;;
*)
+ libm_machine_dir=i386
machine_dir=i386
mach_add_setjmp=true
;;
esac
;;
+ ia64*)
+ ;;
+ iq2000)
+ machine_dir=iq2000
+ ;;
+ m32c)
+ machine_dir=m32c
+ newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -DABORT_PROVIDED -DSMALL_MEMORY"
+ ;;
+
m32r*)
machine_dir=m32r
;;
+
+ m68hc11|m6811|m68hc12|m6812)
+ machine_dir=m68hc11
+ newlib_cflags="-DPREFER_SIZE_OVER_SPEED -Os -mrelax"
+ CFLAGS="-g -Os"
+ ;;
+
m68*)
machine_dir=m68k
+ newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
;;
m88k)
machine_dir=m88k
;;
mcore)
;;
+ mep)
+ machine_dir=mep
+ ;;
mips*)
machine_dir=mips
;;
+ mmix)
+ ;;
mn10200)
machine_dir=mn10200
;;
mn10300)
+ default_newlib_io_long_long="yes"
machine_dir=mn10300
;;
+ mt*)
+ machine_dir=mt
+ ;;
+ or16)
+ ;;
+ or32)
+ ;;
powerpc*)
machine_dir=powerpc
;;
- sh)
+ sh | sh64)
machine_dir=sh
;;
sparc*)
strongarm)
machine_dir=arm
;;
+ xscale)
+ machine_dir=xscale
+ ;;
thumb)
machine_dir=arm
;;
+ tic4x|c4x)
+ machine_dir=tic4x
+ ;;
tic80*)
machine_dir=tic80
;;
;;
v850)
machine_dir=v850
- newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 -mno-app-regs -msmall-sld"
+ newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 "
;;
v850e)
machine_dir=v850
- newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 -mno-app-regs -msmall-sld"
- ;;
- v850ea)
- machine_dir=v850
- newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED -mv850 -mno-app-regs -msmall-sld"
+ newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED "
;;
w65*)
machine_dir=w65
;;
+ x86_64)
+ machine_dir=x86_64
+ ;;
+ xstormy16)
+ machine_dir=xstormy16
+ newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED"
+ newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED"
+ ;;
z8k)
machine_dir=z8k
;;
+ spu)
+ stdio_dir=
+ libm_machine_dir=spu
+ machine_dir=spu
+ newlib_cflags="${newlib_cflags} -D_POSIX_MODE -ffunction-sections -fdata-sections "
+ ;;
*)
echo '***' "Newlib does not support CPU ${host_cpu}" 1>&2
exit 1
;;
esac
-# Enable multibyte support if requested.
+# Disable thread support if requested.
-if [ "${newlib_mb}" = "yes" ] ; then
- newlib_cflags="${newlib_cflags} -DMB_CAPABLE"
+if [ "${newlib_multithread}" = "no" ] ; then
+ newlib_cflags="${newlib_cflags} -D__SINGLE_THREAD__"
fi
+# Disable syscall support if requested.
+
+if [ "${newlib_may_supply_syscalls}" = "no" ] ; then
+ newlib_cflags="${newlib_cflags} -D__NO_SYSCALLS__"
+fi
+
+# Enable multibyte support if requested or it is defaulted
+# for target.
+
+if [ "x${newlib_mb}" = "x" ]; then
+ case "${host}" in
+ i[34567]86-pc-linux-*|*-*-cygwin*)
+ newlib_mb=yes
+ ;;
+ esac
+fi
+
+# Disable printf/scanf floating-point support if requested.
+
+if [ "${newlib_io_float}" = "no" ] ; then
+ newlib_cflags="${newlib_cflags} -DNO_FLOATING_POINT"
+fi
+
+# Verify if shared newlib support is allowed and set appropriate variables
+# We don't want to use libtool for platforms that we are not going to
+# support shared libraries. This is because it adds executable tests which
+# we don't want for most embedded platforms.
+case "${host}" in
+ i[34567]86-pc-linux-*)
+ use_libtool=yes
+ have_sys_mach_dir=yes
+ stdio64_dir=stdio64
+ oext=lo
+ lpfx=
+ aext=la ;;
+ *) ;; #shared library not supported for ${host}
+esac
+
# Get the source directories to use for the host. unix_dir is set
# to unix to get some standard Unix routines. posix_dir is set to get some
# standard Posix routines. sys_dir should supply system dependent routines
case "${host}" in
*-*-cygwin*)
- sys_dir=cygwin
posix_dir=posix
+ stdio64_dir=stdio64
;;
*-*-netware*)
signal_dir=
sys_dir=arc
;;
arm-*-*)
- sys_dir=arm
+ sys_dir=arm
+ if [ "x${newlib_may_supply_syscalls}" = "xno" ] ; then
+ have_crt0="no"
+ fi
+ ;;
+ bfin-*-*)
+ sys_dir=
+ ;;
+ crx*)
+ sys_dir=
;;
d10v*)
sys_dir=d10v
d30v*)
sys_dir=
;;
+ ep9312-*-*)
+ sys_dir=arm
+ if [ "x${newlib_may_supply_syscalls}" = "xno" ] ; then
+ have_crt0="no"
+ fi
+ ;;
+ frv*)
+ sys_dir=
+ ;;
h8300-*-hms*)
sys_dir=h8300hms
;;
+ h8300-*-elf*)
+ sys_dir=h8300hms
+ ;;
+ h8300-*-coff*)
+ sys_dir=h8300hms
+ ;;
h8300-*-xray*)
sys_dir=h8300xray
;;
h8500-*-hms*)
sys_dir=h8500hms
;;
- i[3456]86-*-go32)
- sys_dir=go32
+ h8500-*-elf*)
+ sys_dir=h8500hms
+ ;;
+ i[34567]86-*-rdos*)
+ sys_dir=rdos
+ newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
;;
- i[3456]86-*-sco*)
+ i[34567]86-*-sco*)
sys_dir=sysvi386
unix_dir=unix
;;
+ i[34567]86-pc-linux-*)
+ sys_dir=linux
+ unix_dir=unix
+ posix_dir=posix
+ crt1=crt1.o
+ crt1_dir=libc/sys/${sys_dir}
+ gcc_dir=`gcc -print-search-dirs | awk '/^install:/{print $2}'`
+ default_newlib_io_c99_formats="yes"
+ default_newlib_io_long_double="yes"
+ default_newlib_io_long_long="yes"
+ default_newlib_io_pos_args="yes"
+ #newlib_cflags="${newlib_cflags} -Werror" # DEBUGGING ONLY;BREAKS BUILD
+ newlib_cflags="${newlib_cflags} -Wall"
+ newlib_cflags="${newlib_cflags} -D_I386MACH_ALLOW_HW_INTERRUPTS"
+ newlib_cflags="${newlib_cflags} -DHAVE_FCNTL"
+ newlib_cflags="${newlib_cflags} -DHAVE_GETOPT"
+ # --- Required when building a shared library ------------------------
+ newlib_cflags="${newlib_cflags} -fPIC -D_I386MACH_NEED_SOTYPE_FUNCTION"
+ # --- The three lines below are optional ------------------------------
+ ##newlib_cflags="${newlib_cflags} -nostdinc"
+ ##newlib_cflags="${newlib_cflags} -I`newlib-flags --kernel-dir`/include"
+ ##newlib_cflags="${newlib_cflags} -idirafter ${gcc_dir}include"
+ ;;
+
+ m68hc11-*-*|m6811-*-*|m6812-*-*|m68hc12-*-*)
+ ;;
+
m68k-sun-sunos*)
unix_dir=unix
;;
m8*-bug-*)
sys_dir=m88kbug
;;
+ mep-*-*)
+ default_newlib_io_long_long="yes"
+ newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
+ ;;
mips*-dec-*)
sys_dir=decstation
;;
+ mmix-knuth-mmixware)
+ sys_dir=mmixware
+ ;;
powerpcle-*-pe)
- sys_dir=cygwin
posix_dir=posix
;;
sh*-*)
sys_dir=sparc64
unix_dir=unix
;;
+ spu-*-*)
+ default_newlib_io_long_long="yes"
+ default_newlib_atexit_dynamic_alloc="no"
+ ;;
strongarm-*-*)
- sys_dir=arm
+ sys_dir=arm
+ if [ "x${newlib_may_supply_syscalls}" = "xno" ] ; then
+ have_crt0="no"
+ fi
;;
thumb-*-*)
- sys_dir=arm
+ sys_dir=arm
+ if [ "x${newlib_may_supply_syscalls}" = "xno" ] ; then
+ have_crt0="no"
+ fi
;;
tic80*)
sys_dir=tic80
w65-*-*)
sys_dir=w65
;;
+ xscale-*-*)
+ sys_dir=arm
+ if [ "x${newlib_may_supply_syscalls}" = "xno" ] ; then
+ have_crt0="no"
+ fi
+ ;;
z8k-*-coff)
sys_dir=z8ksim
;;
case "${host}" in
*-*-cygwin*)
- newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DSIGNAL_PROVIDED -DWANT_PRINTF_LONG_LONG -D_COMPILING_NEWLIB"
+ test -z "$cygwin_srcdir" && cygwin_srcdir=`cd ${srcdir}/../winsup/cygwin; pwd`
+ export cygwin_srcdir
+ default_newlib_io_c99_formats="yes"
+ default_newlib_io_long_long="yes"
+ default_newlib_io_long_double="yes"
+ default_newlib_io_pos_args="yes"
+ CC="${CC} -I${cygwin_srcdir}/include"
+ newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DSIGNAL_PROVIDED -D_COMPILING_NEWLIB -DHAVE_BLKSIZE -DHAVE_FCNTL -DMALLOC_PROVIDED"
syscall_dir=syscalls
;;
# RTEMS supplies its own versions of some routines:
#
# NOTE: When newlib malloc uses a semaphore, RTEMS will switch to that.
*-*-rtems*)
- newlib_cflags="${newlib_cflags} -DHAVE_GETTIMEOFDAY -DMALLOC_PROVIDED -DEXIT_PROVIDED -DMISSING_SYSCALL_NAMES -DSIGNAL_PROVIDED -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_OPENDIR"
+ default_newlib_io_long_long="yes"
+ newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED -DEXIT_PROVIDED -DMISSING_SYSCALL_NAMES -DSIGNAL_PROVIDED -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_OPENDIR -DNO_EXEC -DHAVE_FCNTL"
;;
# VxWorks supplies its own version of malloc, and the newlib one
# doesn't work because VxWorks does not have sbrk.
*-wrs-vxworks*)
- newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED -DMISSING_SYSCALL_NAMES"
+ newlib_cflags="${newlib_cflags} -DMALLOC_PROVIDED -DMISSING_SYSCALL_NAMES -DHAVE_FCNTL"
;;
# UDI doesn't have exec, so system() should fail the right way
a29k-amd-udi)
;;
arm-*-pe)
syscall_dir=syscalls
- newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
-# Don't use the debugging protocols just yet.
;;
arm-*-*)
syscall_dir=syscalls
- newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
-# Select which debug protocol is being used.
+# If newlib is supplying syscalls, select which debug protocol is being used.
# ARM_RDP_MONITOR selects the Demon monitor.
# ARM_RDI_MONITOR selects the Angel monitor.
# If neither are defined, then hard coded defaults will be used
# to create the program's environment.
+# If --disable-newlib-supplied-syscalls is specified, then the end-user
+# may specify the protocol via gcc spec files supplied by libgloss.
# See also thumb below.
-# newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
- newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
+ if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
+# newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
+ newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
+ fi
+ ;;
+ arc*)
+ newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED"
+ ;;
+ avr*)
+ newlib_cflags="${newlib_cflags} -DNO_EXEC -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
+ ;;
+ bfin*)
+ syscall_dir=syscalls
+ ;;
+ cris-*-* | crisv32-*-*)
+ default_newlib_io_long_long="yes"
+ newlib_cflags="${newlib_cflags} -DHAVE_RENAME -D_USE_WRITE -DCOMPACT_CTYPE"
+ syscall_dir=syscalls
+ ;;
+ crx-*-*)
+ newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DMISSING_SYSCALL_NAMES"
+ syscall_dir=
;;
d10v*)
newlib_cflags="${newlib_cflags} -DSMALL_MEMORY"
newlib_cflags="${newlib_cflags} -DABORT_MESSAGE -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
syscall_dir=
;;
+ ep9312-*-*)
+ syscall_dir=syscalls
+ if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
+ newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
+ fi
+ ;;
+ fido-*-elf)
+ newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_SYSTEM -DMISSING_SYSCALL_NAMES"
+ syscall_dir=
+ ;;
fr30-*-*)
- newlib_cflags="${newlib_cflags}"
syscall_dir=syscalls
;;
+ frv-*-*)
+ syscall_dir=syscalls
+ default_newlib_io_long_long="yes"
+ ;;
h8300*-*-*)
syscall_dir=syscalls
+ default_newlib_io_long_long="yes"
newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
+ # Simulator only extensions for H8300.
+ # Uncomment the next line to enable them.
+ # newlib_cflags="${newlib_cflags} -D__SIMULATOR__"
;;
h8500-*-*)
syscall_dir=syscalls
newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
;;
- i[3456]86-*-sco*)
- newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED"
+ i[34567]86-*-sco*)
+ newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED -DHAVE_FCNTL"
;;
- i[3456]86-*-netware*)
- newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES -DNO_EXEC -DABORT_PROVIDED -DCLOCK_PROVIDED -DMALLOC_PROVIDED"
+ i[34567]86-*-netware*)
+ newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES -DNO_EXEC -DABORT_PROVIDED -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DHAVE_FCNTL"
;;
- i[3456]86-*-go32)
- newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES -DNO_EXEC"
+ iq2000*)
+ syscall_dir=syscalls
+ default_newlib_io_long_long="yes"
;;
m32r-*-*)
# Pass -msdata=sdata so _impure_ptr goes in .sdata.
newlib_cflags="${newlib_cflags} -msdata=sdata"
syscall_dir=syscalls
;;
+ m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
+ newlib_cflags="${newlib_cflags} -DNO_EXEC -DABORT_PROVIDED -DSMALL_MEMORY -DMISSING_SYSCALL_NAMES"
+ ;;
+ m68k-unknown-elf)
+ newlib_cflags="${newlib_cflags} -DHAVE_RENAME -DHAVE_SYSTEM -DMISSING_SYSCALL_NAMES"
+ syscall_dir=
+ ;;
mcore-*-*)
- newlib_cflags="${newlib_cflags}"
syscall_dir=syscalls
;;
+ mips64vr*-*-*)
+ default_newlib_io_long_long="yes"
+ newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
+ ;;
+ mips*-*-elf*)
+ default_newlib_io_long_long="yes"
+ newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
+ ;;
+ mmix-*)
+ syscall_dir=syscalls
+ # We need every symbol 32-bit aligned, so the invalid
+ # construct with attribute ((alias ("_ctype_b+127"))) breaks.
+ newlib_cflags="${newlib_cflags} -DCOMPACT_CTYPE"
+ ;;
mn10?00-*-*)
syscall_dir=syscalls
;;
+ powerpc*-*-eabialtivec*)
+ default_newlib_io_long_long="yes"
+ newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
+ ;;
+ powerpc*-*-eabispe*)
+ default_newlib_io_long_long="yes"
+ newlib_cflags="${newlib_cflags} -DMISSING_SYSCALL_NAMES"
+ ;;
powerpc*-*-eabi* | \
powerpc*-*-elf* | \
powerpc*-*-linux* | \
powerpc*-*-rtem* | \
powerpc*-*-sysv* | \
powerpc*-*-solaris*)
+ default_newlib_io_long_long="yes"
newlib_cflags="${newlib_cflags} -mrelocatable-lib -mno-eabi -mstrict-align -DMISSING_SYSCALL_NAMES"
;;
powerpcle-*-pe)
- newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME"
+ newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DHAVE_FCNTL"
syscall_dir=syscalls
;;
sh*-*-*)
+ default_newlib_io_long_long="yes"
syscall_dir=syscalls
;;
sparc-sun-sunos*)
newlib_cflags="${newlib_cflags} -DSIGNAL_PROVIDED"
;;
sparc64-*-*)
- newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_BLKSIZE -DHAVE_GETTIMEOFDAY"
+ newlib_cflags="${newlib_cflags} -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_BLKSIZE -DHAVE_FCNTL"
# This either belongs elsewhere or nowhere. But I need *something*,
# so for now it's here ...
case "${host_os}" in
;;
strongarm-*-*)
syscall_dir=syscalls
- newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
- newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
;;
thumb-*-pe)
syscall_dir=syscalls
- newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
# Don't use the debugging protocols just yet.
;;
thumb-*-*)
syscall_dir=syscalls
- newlib_cflags="${newlib_cflags} -DABORT_PROVIDED -DHAVE_GETTIMEOFDAY"
-# Select which debug protocol is being used.
+# If newlib is supplying syscalls, select which debug protocol is being used.
# ARM_RDP_MONITOR selects the Demon monitor.
# ARM_RDI_MONITOR selects the Angel monitor.
# If neither are defined, then hard coded defaults will be used
# to create the program's environment.
-# See also arm and strongarm above.
-# newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
- newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
+# If --disable-newlib-supplied-syscalls is specified, then the end-user
+# may specify the protocol via gcc spec files supplied by libgloss.
+ if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
+# newlib_cflags="${newlib_cflags} -DARM_RDP_MONITOR"
+ newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
+ fi
;;
tic80*)
syscall_dir=syscalls
syscall_dir=syscalls
newlib_cflags="${newlib_cflags} -DSMALL_DTOA -DSMALL_MEMORY"
;;
+ xscale-*-*)
+ syscall_dir=syscalls
+ newlib_cflags="${newlib_cflags} -DHAVE_SYSTEM -DHAVE_RENAME"
+ if [ "x${newlib_may_supply_syscalls}" = "xyes" ] ; then
+ newlib_cflags="${newlib_cflags} -DARM_RDI_MONITOR"
+ fi
+ ;;
+ xstormy16-*-*)
+ syscall_dir=syscalls
+ ;;
z8k-*-*)
syscall_dir=syscalls
;;
syscall_dir=
;;
esac
+
+# Use defaults for certain settings if not specified by user
+
+# Enable C99 format support in I/O routines if requested.
+if [ "x${newlib_io_c99_formats}" = "x" ]; then
+ if [ ${default_newlib_io_c99_formats} = "yes" ]; then
+ newlib_io_c99_formats="yes";
+ fi
+fi
+
+# Enable long long support in I/O routines if requested.
+if [ "x${newlib_io_long_long}" = "x" ]; then
+ if [ ${default_newlib_io_long_long} = "yes" ]; then
+ newlib_io_long_long="yes";
+ fi
+fi
+
+# Enable long double support in I/O routines if requested.
+if [ "x${newlib_io_long_double}" = "x" ]; then
+ if [ ${default_newlib_io_long_double} = "yes" ]; then
+ newlib_io_long_double="yes";
+ fi
+fi
+
+# Enable printf positional argument support if requested.
+if [ "x${newlib_io_pos_args}" = "x" ]; then
+ if [ ${default_newlib_io_pos_args} = "yes" ]; then
+ newlib_io_pos_args="yes";
+ fi
+fi
+
+# Disable atexit dynamic allocation if requested.
+if [ "x${newlib_atexit_dynamic_alloc}" = "x" ]; then
+ if [ ${default_newlib_atexit_dynamic_alloc} = "yes" ]; then
+ newlib_atexit_dynamic_alloc="yes";
+ fi
+fi
+
+if test -z "${have_crt0}" && test -n "${sys_dir}"; then
+ have_crt0="yes"
+fi
git://sourceware.org / newlib-cygwin.git / blobdiff