Newer
Older
# These "sysv environments" and "bsd environments" often end up being a pain.
#
# This is not part of CFLAGS because perhaps not all C compilers have this
# option.
tentative_cc="cc -systype sysv"
;;
i370-ibm-opened*)
tentative_cc="c89"
;;
i[[3456789]]86-*-sysv5*)
host_makefile_frag="config/mh-sysv5"
;;
i[[3456789]]86-*-dgux*)
tentative_cc="gcc -Wall -ansi -D__using_DGUX"
host_makefile_frag="config/mh-dgux386"
;;
i[[3456789]]86-ncr-sysv4.3*)
# The MetaWare compiler will generate a copyright message unless you
# turn it off by adding the -Hnocopyr flag.
tentative_cc="cc -Hnocopyr"
;;
i[[3456789]]86-ncr-sysv4*)
# for an NCR 3000 (i486/SVR4) system.
# The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
# This compiler not only emits obnoxious copyright messages every time
# you run it, but it chokes and dies on a whole bunch of GNU source
# files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
tentative_cc="/usr/ccs/ATT/cc"
host_makefile_frag="config/mh-ncr3000"
;;
i[[3456789]]86-*-sco3.2v5*)
i[[3456789]]86-*-sco*)
# The native C compiler botches some simple uses of const. Unfortunately,
# it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
tentative_cc="cc -Dconst="
host_makefile_frag="config/mh-sco"
;;
i[[3456789]]86-*-udk*)
host_makefile_frag="config/mh-sysv5"
;;
i[[3456789]]86-*-solaris2*)
host_makefile_frag="config/mh-sysv4"
;;
i[[3456789]]86-*-msdosdjgpp*)
host_makefile_frag="config/mh-djgpp"
;;
*-cygwin*)
Nick Clifton
committed
ACX_CHECK_CYGWIN_CAT_WORKS
host_makefile_frag="config/mh-cygwin"
;;
host_makefile_frag="config/mh-mingw"
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*-interix*)
host_makefile_frag="config/mh-interix"
;;
vax-*-ultrix2*)
# The old BSD pcc isn't up to compiling parts of gdb so use gcc
tentative_cc=gcc
;;
*-*-solaris2*)
host_makefile_frag="config/mh-solaris"
;;
m68k-sun-sunos*)
# Sun's C compiler needs the -J flag to be able to compile cp-parse.c
# without overflowing the jump tables (-J says to use a 32 bit table)
tentative_cc="cc -J"
;;
*-hp-hpux*)
tentative_cc="cc -Wp,-H256000"
;;
*-*-hiux*)
tentative_cc="cc -Wp,-H256000"
;;
rs6000-*-lynxos*)
# /bin/cc is less than useful for our purposes. Always use GCC
tentative_cc="/usr/cygnus/progressive/bin/gcc"
host_makefile_frag="config/mh-lynxrs6k"
;;
host_makefile_frag="config/mh-ppc-darwin"
;;
powerpc-*-aix*)
host_makefile_frag="config/mh-ppc-aix"
;;
rs6000-*-aix*)
host_makefile_frag="config/mh-ppc-aix"
;;
*-*-lynxos*)
# /bin/cc is less than useful for our purposes. Always use GCC
tentative_cc="/bin/gcc"
;;
*-*-sysv4*)
host_makefile_frag="config/mh-sysv4"
;;
# This is placed last to prevent interfering with the cases above.
i[[3456789]]86-*-*)
# Build the stage2 and stage3 compilers with -fomit-frame-pointer.
host_makefile_frag="config/mh-x86omitfp"
;;
# If we aren't going to be using gcc, see if we can extract a definition
# of CC from the fragment.
# Actually, use the 'pre-extracted' version above.
if test -z "${CC}" && test "${build}" = "${host}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
found=
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/gcc; then
found=yes
break
fi
done
IFS="$save_ifs"
if test -z "${found}" && test -n "${tentative_cc}" ; then
CC=$tentative_cc
fi
fi
if test "${build}" != "${host}" ; then
AR_FOR_BUILD=${AR_FOR_BUILD-ar}
AS_FOR_BUILD=${AS_FOR_BUILD-as}
CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
LD_FOR_BUILD=${LD_FOR_BUILD-ld}
NM_FOR_BUILD=${NM_FOR_BUILD-nm}
RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
AR_FOR_BUILD="\$(AR)"
AS_FOR_BUILD="\$(AS)"
CXX_FOR_BUILD="\$(CXX)"
GCJ_FOR_BUILD="\$(GCJ)"
GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
LD_FOR_BUILD="\$(LD)"
NM_FOR_BUILD="\$(NM)"
RANLIB_FOR_BUILD="\$(RANLIB)"
WINDRES_FOR_BUILD="\$(WINDRES)"
WINDMC_FOR_BUILD="\$(WINDMC)"
fi
AC_PROG_CC
AC_PROG_CXX
# We must set the default linker to the linker used by gcc for the correct
# operation of libtool. If LD is not defined and we are using gcc, try to
# set the LD default to the ld used by gcc.
if test -z "$LD"; then
if test "$GCC" = yes; then
case $build in
*-*-mingw*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
esac
case $gcc_prog_ld in
# Accept absolute paths.
[[\\/]* | [A-Za-z]:[\\/]*)]
LD="$gcc_prog_ld" ;;
esac
fi
ACX_PROG_CMP_IGNORE_INITIAL
# Specify a location for mpfr
# check for this first so it ends up on the link line before gmp.
AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
Equivalent to --with-mpfr-include=PATH/include
plus --with-mpfr-lib=PATH/lib])
AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
specify directory for installed MPFR include files])
AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
if test "x$with_mpfr" != x; then
gmplibs="-L$with_mpfr/lib $gmplibs"
gmpinc="-I$with_mpfr/include"
fi
if test "x$with_mpfr_include" != x; then
gmpinc="-I$with_mpfr_include"
fi
if test "x$with_mpfr_lib" != x; then
gmplibs="-L$with_mpfr_lib $gmplibs"
fi
if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
# Do not test the mpfr version. Assume that it is sufficient, since
# it is in the source tree, and the library has not been built yet
# but it would be included on the link line in the version check below
# hence making the test fail.
have_gmp=yes
fi
# Specify a location for gmp
AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
Equivalent to --with-gmp-include=PATH/include
plus --with-gmp-lib=PATH/lib])
AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
if test "x$with_gmp" != x; then
gmplibs="-L$with_gmp/lib $gmplibs"
gmpinc="-I$with_gmp/include $gmpinc"
if test "x$with_gmp_include" != x; then
gmpinc="-I$with_gmp_include $gmpinc"
fi
if test "x$with_gmp_lib" != x; then
gmplibs="-L$with_gmp_lib $gmplibs"
fi
if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
# Do not test the gmp version. Assume that it is sufficient, since
# it is in the source tree, and the library has not been built yet
# but it would be included on the link line in the version check below
# hence making the test fail.
have_gmp=yes
fi
if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
have_gmp=yes
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $gmpinc"
# Check GMP actually works
AC_MSG_CHECKING([for correct version of gmp.h])
AC_TRY_COMPILE([#include "gmp.h"],[
#if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
if test x"$have_gmp" = xyes; then
saved_LIBS="$LIBS"
LIBS="$LIBS $gmplibs"
dnl MPFR 2.2.1 is acceptable, but MPFR 2.3.0 is better.
AC_MSG_CHECKING([for correct version of mpfr.h])
AC_TRY_LINK([#include <gmp.h>
#include <mpfr.h>],[
#if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
mpfr_atan2 (n, n, x, GMP_RNDN);
mpfr_erfc (n, x, GMP_RNDN);
mpfr_subnormalize (x, t, GMP_RNDN);
], [AC_TRY_LINK([#include <gmp.h>
#include <mpfr.h>],[
#if MPFR_VERSION < MPFR_VERSION_NUM(2,3,0)
choke me
#endif
mpfr_t n; mpfr_init(n);
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
[AC_MSG_RESULT([no]); have_gmp=no])
LIBS="$saved_LIBS"
fi
CFLAGS="$saved_CFLAGS"
AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.3.0+.
Try the --with-gmp and/or --with-mpfr options to specify their locations.
Copies of these libraries' source code can be found at their respective
hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
See also http://gcc.gnu.org/install/prerequisites.html for additional info.
If you obtained GMP and/or MPFR from a vendor distribution package, make
sure that you have installed both the libraries and the header files.
They may be located in separate packages.])
# Flags needed for both GMP and/or MPFR
AC_SUBST(gmplibs)
AC_SUBST(gmpinc)
# By default, C is the only stage 1 language.
stage1_languages=,c,
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# Figure out what language subdirectories are present.
# Look if the user specified --enable-languages="..."; if not, use
# the environment variable $LANGUAGES if defined. $LANGUAGES might
# go away some day.
# NB: embedded tabs in this IF block -- do not untabify
if test -d ${srcdir}/gcc; then
if test x"${enable_languages+set}" != xset; then
if test x"${LANGUAGES+set}" = xset; then
enable_languages="${LANGUAGES}"
echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
else
enable_languages=all
fi
else
if test x"${enable_languages}" = x ||
test x"${enable_languages}" = xyes;
then
echo configure.in: --enable-languages needs at least one language argument 1>&2
exit 1
fi
fi
enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
# 'f95' is the old name for the 'fortran' language. We issue a warning
# and make the substitution.
case ,${enable_languages}, in
*,f95,*)
echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
;;
esac
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# First scan to see if an enabled language requires some other language.
# We assume that a given config-lang.in will list all the language
# front ends it requires, even if some are required indirectly.
for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
..) ;;
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
${srcdir}/gcc/[[*]]/config-lang.in) ;;
*)
# From the config-lang.in, get $language, $lang_requires
language=
lang_requires=
. ${lang_frag}
for other in ${lang_requires} ; do
case ,${enable_languages}, in
*,$other,*) ;;
*,all,*) ;;
*,$language,*)
echo " \`$other' language required by \`$language'; enabling" 1>&2
enable_languages="${enable_languages},${other}"
;;
esac
done
;;
esac
done
new_enable_languages=,c,
missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
potential_languages=,c,
for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
..) ;;
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
${srcdir}/gcc/[[*]]/config-lang.in) ;;
*)
# From the config-lang.in, get $language, $target_libs,
# $lang_dirs, $boot_language, and $build_by_default
subdir_requires=
boot_language=no
build_by_default=yes
if test x${language} = x; then
echo "${lang_frag} doesn't set \$language." 1>&2
exit 1
fi
case ,${enable_languages}, in
*,${language},*)
# Language was explicitly selected; include it.
add_this_lang=yes
;;
*,all,*)
# 'all' was selected, select it if it is a default language
add_this_lang=${build_by_default}
# Disable languages that need other directories if these aren't available.
for i in $subdir_requires; do
test -f "$srcdir/gcc/$i/config-lang.in" && continue
case ,${enable_languages}, in
*,${language},*)
# Specifically requested language; tell them.
AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
;;
*)
# Silently disable.
add_this_lang=unsupported
;;
esac
done
# Disable Ada if no preexisting GNAT is available.
case ,${enable_languages},:${language}:${have_gnat} in
*,${language},*:ada:no)
# Specifically requested language; tell them.
AC_MSG_ERROR([GNAT is required to build $language])
;;
*:ada:no)
# Silently disable.
add_this_lang=unsupported
;;
esac
# Disable a language that is unsupported by the target.
case " $unsupported_languages " in
*" $language "*)
add_this_lang=unsupported
;;
esac
eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
;;
no)
# Remove language-dependent dirs; still show language as supported.
eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
potential_languages="${potential_languages}${language},"
;;
yes)
new_enable_languages="${new_enable_languages}${language},"
potential_languages="${potential_languages}${language},"
missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
case ${boot_language} in
yes)
# Add to (comma-separated) list of stage 1 languages.
stage1_languages="${stage1_languages}${language},"
;;
esac
;;
AC_ARG_ENABLE(stage1-languages,
[ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
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stage1. Mostly useful for compiler development.],
[case ,${enable_stage1_languages}, in
,no,|,,)
# Set it to something that will have no effect in the loop below
enable_stage1_languages=c ;;
,yes,)
enable_stage1_languages=`echo $new_enable_languages | \
sed -e "s/^,//" -e "s/,$//" ` ;;
*,all,*)
enable_stage1_languages=`echo ,$enable_stage1_languages, | \
sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
esac
# Add "good" languages from enable_stage1_languages to stage1_languages,
# while "bad" languages go in missing_languages. Leave no duplicates.
for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
case $potential_languages in
*,$i,*)
case $stage1_languages in
*,$i,*) ;;
*) stage1_languages="$stage1_languages$i," ;;
esac ;;
*)
case $missing_languages in
*,$i,*) ;;
*) missing_languages="$missing_languages$i," ;;
esac ;;
esac
done])
# Remove leading/trailing commas that were added for simplicity
potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
if test "x$missing_languages" != x; then
AC_MSG_ERROR([
Paul Brook
committed
The following requested languages could not be built: ${missing_languages}
Supported languages are: ${potential_languages}])
fi
if test "x$new_enable_languages" != "x$enable_languages"; then
echo The following languages will be built: ${new_enable_languages}
enable_languages="$new_enable_languages"
AC_SUBST(stage1_languages)
Alexandre Oliva
committed
ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
# Handle --disable-<component> generically.
for dir in $configdirs $build_configdirs $target_configdirs ; do
dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
varname=`echo $dirname | sed -e s/+/_/g`
if eval test x\${enable_${varname}} "=" xno ; then
noconfigdirs="$noconfigdirs $dir"
fi
done
# Check for Boehm's garbage collector
AC_ARG_ENABLE(objc-gc,
[ --enable-objc-gc enable use of Boehm's garbage collector with the
GNU Objective-C runtime],
[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
*,objc,*:*:yes:*target-boehm-gc*)
AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
;;
esac])
# Make sure we only build Boehm's garbage collector if required.
David Ayers
committed
case ,${enable_languages},:${enable_objc_gc} in
*,objc,*:yes)
# Keep target-boehm-gc if requested for Objective-C.
;;
*)
David Ayers
committed
# Otherwise remove target-boehm-gc depending on target-libjava.
if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
noconfigdirs="$noconfigdirs target-boehm-gc"
fi
;;
esac
Paolo Bonzini
committed
# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
# $build_configdirs and $target_configdirs.
# If we have the source for $noconfigdirs entries, add them to $notsupp.
notsupp=""
for dir in . $skipdirs $noconfigdirs ; do
Paolo Bonzini
committed
dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
if test -r $srcdir/$dirname/configure ; then
if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
true
else
notsupp="$notsupp $dir"
fi
fi
fi
Paolo Bonzini
committed
if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
if test -r $srcdir/$dirname/configure ; then
if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
true
else
notsupp="$notsupp $dir"
fi
fi
fi
if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
if test -r $srcdir/$dirname/configure ; then
if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
true
else
notsupp="$notsupp $dir"
fi
fi
fi
done
# Sometimes the tools are distributed with libiberty but with no other
# libraries. In that case, we don't want to build target-libiberty.
# Don't let libgcc imply libiberty either.
libgcc=
others=
for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
if test "$i" = "libgcc"; then
libgcc=target-libgcc
elif test "$i" != "libiberty" ; then
if test -r $srcdir/$i/configure ; then
others=yes;
break;
fi
fi
done
if test -z "${others}" ; then
target_configdirs=$libgcc
fi
fi
# Quietly strip out all directories which aren't configurable in this tree.
# This relies on all configurable subdirectories being autoconfiscated, which
# is now the case.
build_configdirs_all="$build_configdirs"
build_configdirs=
for i in ${build_configdirs_all} ; do
j=`echo $i | sed -e s/build-//g`
if test -f ${srcdir}/$j/configure ; then
build_configdirs="${build_configdirs} $i"
fi
done
configdirs_all="$configdirs"
configdirs=
for i in ${configdirs_all} ; do
if test -f ${srcdir}/$i/configure ; then
configdirs="${configdirs} $i"
fi
done
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target_configdirs_all="$target_configdirs"
target_configdirs=
for i in ${target_configdirs_all} ; do
j=`echo $i | sed -e s/target-//g`
if test -f ${srcdir}/$j/configure ; then
target_configdirs="${target_configdirs} $i"
fi
done
# Produce a warning message for the subdirs we can't configure.
# This isn't especially interesting in the Cygnus tree, but in the individual
# FSF releases, it's important to let people know when their machine isn't
# supported by the one or two programs in a package.
if test -n "${notsupp}" && test -z "${norecursion}" ; then
# If $appdirs is non-empty, at least one of those directories must still
# be configured, or we error out. (E.g., if the gas release supports a
# specified target in some subdirs but not the gas subdir, we shouldn't
# pretend that all is well.)
if test -n "$appdirs" ; then
for dir in $appdirs ; do
if test -r $dir/Makefile.in ; then
if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
appdirs=""
break
fi
if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
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appdirs=""
break
fi
fi
done
if test -n "$appdirs" ; then
echo "*** This configuration is not supported by this package." 1>&2
exit 1
fi
fi
# Okay, some application will build, or we don't care to check. Still
# notify of subdirs not getting built.
echo "*** This configuration is not supported in the following subdirectories:" 1>&2
echo " ${notsupp}" 1>&2
echo " (Any other directories should still work fine.)" 1>&2
fi
case "$host" in
*msdosdjgpp*)
enable_gdbtk=no ;;
esac
# To find our prefix, in gcc_cv_tool_prefix.
ACX_TOOL_DIRS
AC_ARG_WITH([build-sysroot],
[ --with-build-sysroot=SYSROOT
use sysroot as the system root during the build],
[if test x"$withval" != x ; then
SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
fi],
[SYSROOT_CFLAGS_FOR_TARGET=])
AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
AC_ARG_WITH([debug-prefix-map],
[ --with-debug-prefix-map='A=B C=D ...'
map A to B, C to D ... in debug information],
[if test x"$withval" != x; then
DEBUG_PREFIX_CFLAGS_FOR_TARGET=
for debug_map in $withval; do
DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
done
fi],
[DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
Paolo Bonzini
committed
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# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
# We want to ensure that TARGET libraries (which we know are built with
# gcc) are built with "-O2 -g", so include those options when setting
# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
if test "x$CFLAGS_FOR_TARGET" = x; then
CFLAGS_FOR_TARGET=$CFLAGS
case " $CFLAGS " in
*" -O2 "*) ;;
*) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
esac
case " $CFLAGS " in
*" -g "* | *" -g3 "*) ;;
*) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
esac
fi
AC_SUBST(CFLAGS_FOR_TARGET)
if test "x$CXXFLAGS_FOR_TARGET" = x; then
CXXFLAGS_FOR_TARGET=$CXXFLAGS
case " $CXXFLAGS " in
*" -O2 "*) ;;
*) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
esac
case " $CXXFLAGS " in
*" -g "* | *" -g3 "*) ;;
*) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
esac
fi
AC_SUBST(CXXFLAGS_FOR_TARGET)
# Handle --with-headers=XXX. If the value is not "yes", the contents of
# the named directory are copied to $(tooldir)/sys-include.
if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
if test x${is_cross_compiler} = xno ; then
echo 1>&2 '***' --with-headers is only supported when cross compiling
exit 1
fi
if test x"${with_headers}" != xyes ; then
x=${gcc_cv_tool_prefix}
copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
fi
fi
# Handle --with-libs=XXX. If the value is not "yes", the contents of
# the name directories are copied to $(tooldir)/lib. Multiple directories
# are permitted.
if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
if test x${is_cross_compiler} = xno ; then
echo 1>&2 '***' --with-libs is only supported when cross compiling
exit 1
fi
if test x"${with_libs}" != xyes ; then
# Copy the libraries in reverse order, so that files in the first named
# library override files in subsequent libraries.
x=${gcc_cv_tool_prefix}
copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
# Set with_gnu_as and with_gnu_ld as appropriate.
#
# This is done by determining whether or not the appropriate directory
# is available, and by checking whether or not specific configurations
# have requested that this magic not happen.
#
# The command line options always override the explicit settings in
# configure.in, and the settings in configure.in override this magic.
#
# If the default for a toolchain is to use GNU as and ld, and you don't
# want to do that, then you should use the --without-gnu-as and
# --without-gnu-ld options for the configure script.
if test x${use_gnu_as} = x &&
echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
with_gnu_as=yes
extra_host_args="$extra_host_args --with-gnu-as"
fi
if test x${use_gnu_ld} = x &&
echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
with_gnu_ld=yes
extra_host_args="$extra_host_args --with-gnu-ld"
fi
# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
# can detect this case.
if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
with_newlib=yes
extra_host_args="$extra_host_args --with-newlib"
fi
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# Handle ${copy_dirs}
set fnord ${copy_dirs}
shift
while test $# != 0 ; do
if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
:
else
echo Copying $1 to $2
# Use the install script to create the directory and all required
# parent directories.
if test -d $2 ; then
:
else
echo >config.temp
${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
fi
# Copy the directory, assuming we have tar.
# FIXME: Should we use B in the second tar? Not all systems support it.
(cd $1; tar -cf - .) | (cd $2; tar -xpf -)
# It is the responsibility of the user to correctly adjust all
# symlinks. If somebody can figure out how to handle them correctly
# here, feel free to add the code.
echo $1 > $2/COPIED
fi
shift; shift
done
# Determine a target-dependent exec_prefix that the installed
# gcc will search in. Keep this list sorted by triplet, with
# the *-*-osname triplets last.
md_exec_prefix=
case "${target}" in
alpha*-*-*vms*)
md_exec_prefix=/gnu/lib/gcc-lib
;;
i[[34567]]86-pc-msdosdjgpp*)
md_exec_prefix=/dev/env/DJDIR/bin
;;
i[[34567]]86-*-sco3.2v5*)
if test $with_gnu_as = yes; then
md_exec_prefix=/usr/gnu/bin
else
md_exec_prefix=/usr/ccs/bin/elf
fi
;;
mn10300-*-* | \
powerpc-*-chorusos* | \
powerpc*-*-eabi* | \
powerpc*-*-sysv* | \
powerpc*-*-kaos* | \
s390x-ibm-tpf*)
md_exec_prefix=/usr/ccs/bin
;;
sparc64-*-elf*)
;;
v850*-*-*)
md_exec_prefix=/usr/ccs/bin
;;
xtensa*-*-elf*)
;;
*-*-beos* | \
*-*-elf* | \
*-*-hpux* | \
*-*-netware* | \
*-*-nto-qnx* | \
*-*-rtems* | \
*-*-solaris2* | \
*-*-sysv[[45]]* | \
*-*-vxworks* | \
*-wrs-windiss)
md_exec_prefix=/usr/ccs/bin
;;
esac
extra_arflags_for_target=
extra_nmflags_for_target=
extra_ranlibflags_for_target=
target_makefile_frag=/dev/null
mep*-*-*)
target_makefile_frag="config/mt-mep"
;;
spu-*-*)
target_makefile_frag="config/mt-spu"
;;
mips*-sde-elf*)
target_makefile_frag="config/mt-sde"
;;
mipsisa*-*-elfoabi*)
target_makefile_frag="config/mt-mips-elfoabi"
;;
*-*-netware*)
target_makefile_frag="config/mt-netware"
*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
target_makefile_frag="config/mt-gnu"
*-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
# nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
# commands to handle both 32-bit and 64-bit objects. These flags are
# harmless if we're using GNU nm or ar.
extra_arflags_for_target=" -X32_64"
extra_nmflags_for_target=" -B -X32_64"
*-*-darwin*)
# ranlib from Darwin requires the -c flag to look at common symbols.
extra_ranlibflags_for_target=" -c"
;;
mips*-*-pe | sh*-*-pe | *arm-wince-pe)
target_makefile_frag="config/mt-wince"
;;
esac
case $target in
alpha*-*-*)
# This just makes sure to use the -mieee option to build target libs.
# This should probably be set individually by each library.
alphaieee_frag="config/mt-alphaieee"
# If --enable-target-optspace always use -Os instead of -O2 to build
# the target libraries, similarly if it is not specified, use -Os
# on selected platforms.
case "${enable_target_optspace}:${target}" in
yes:*)
ospace_frag="config/mt-ospace"
ospace_frag="config/mt-d30v"
;;
:m32r-* | :d10v-* | :fr30-*)
ospace_frag="config/mt-ospace"
;;
no:* | :*)
;;
*)
echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
;;
esac
# Default to using --with-stabs for certain targets.
if test x${with_stabs} = x ; then
case "${target}" in
mips*-*-irix[[56]]*)
;;
mips*-*-* | alpha*-*-osf*)
with_stabs=yes;
extra_host_args="${extra_host_args} --with-stabs"
;;
esac
fi
# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
# them automatically.
case "${host}" in
hppa*64*-*-hpux11*)
extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
# Some systems (e.g., one of the i386-aix systems the gas testers are
# using) don't handle "\$" correctly, so don't use it here.
tooldir='${exec_prefix}'/${target_noncanonical}
build_tooldir=${tooldir}
# Create a .gdbinit file which runs the one in srcdir
# and tells GDB to look there for source files.
if test -r ${srcdir}/.gdbinit ; then
case ${srcdir} in
.) ;;
*) cat > ./.gdbinit <<EOF
# ${NO_EDIT}
dir ${srcdir}
dir .
source ${srcdir}/.gdbinit
EOF
;;
esac
fi
# Make sure that the compiler is able to generate an executable. If it
# can't, we are probably in trouble. We don't care whether we can run the
# executable--we might be using a cross compiler--we only care whether it
# can be created. At this point the main configure script has set CC.
echo "int main () { return 0; }" > conftest.c
${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
if test $? = 0 ; then
if test -s conftest || test -s conftest.exe ; then