# configure.in for GCC
# Process this file with autoconf to generate a configuration script.
-# Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
+# Free Software Foundation, Inc.
#This file is part of GCC.
fi
fi
+# Determine the host, build, and target systems
+AC_CANONICAL_SYSTEM
+
+# Set program_transform_name
+AC_ARG_PROGRAM
+
+# Find the native compiler
+AC_PROG_CC
+AC_PROG_CC_C_O
+# autoconf is lame and doesn't give us any substitution variable for this.
+if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
+ NO_MINUS_C_MINUS_O=yes
+else
+ OUTPUT_OPTION='-o $@'
+fi
+AC_SUBST(NO_MINUS_C_MINUS_O)
+AC_SUBST(OUTPUT_OPTION)
+
+# See if GNAT has been installed
+gcc_AC_PROG_GNAT
+
+AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
+ac_cv_prog_cc_no_long_long,
+[save_CFLAGS="$CFLAGS"
+CFLAGS="-Wno-long-long"
+AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
+ ac_cv_prog_cc_no_long_long=no)
+CFLAGS="$save_CFLAGS"])
+
+if test x$have_gnat != xno ; then
+AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
+ac_cv_prog_adac_no_long_long,
+[cat >conftest.adb <<EOF
+procedure conftest is begin null; end conftest;
+EOF
+if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
+ ac_cv_prog_adac_no_long_long=yes
+else
+ ac_cv_prog_adac_no_long_long=no
+fi
+rm -f conftest*])
+else
+ ac_cv_prog_adac_no_long_long=yes
+fi
+
+strict1_warn=
+if test $ac_cv_prog_cc_no_long_long = yes && \
+ test $ac_cv_prog_adac_no_long_long = yes ; then
+ strict1_warn="-pedantic -Wno-long-long"
+fi
+AC_SUBST(strict1_warn)
+
+AC_PROG_CPP
+AC_C_INLINE
+gcc_AC_C_VOLATILE
+
+gcc_AC_C_LONG_DOUBLE
+gcc_AC_C_LONG_LONG
+gcc_AC_C__BOOL
+
+# sizeof(char) is 1 by definition.
+AC_COMPILE_CHECK_SIZEOF(short)
+AC_COMPILE_CHECK_SIZEOF(int)
+AC_COMPILE_CHECK_SIZEOF(long)
+if test $ac_cv_c_long_long = yes; then
+ AC_COMPILE_CHECK_SIZEOF(long long)
+fi
+if test $ac_cv_c___int64 = yes; then
+ AC_COMPILE_CHECK_SIZEOF(__int64)
+fi
+
+gcc_AC_C_CHARSET
+
+# If the native compiler is GCC, we can enable warnings even in stage1.
+# That's useful for people building cross-compilers, or just running a
+# quick `make'.
+warn_cflags=
+if test "x$GCC" = "xyes"; then
+ warn_cflags='$(GCC_WARN_CFLAGS)'
+fi
+AC_SUBST(warn_cflags)
+
# Determine whether or not multilibs are enabled.
AC_ARG_ENABLE(multilib,
[ --enable-multilib enable library support for multiple ABIs],
[], [enable_multilib=yes])
AC_SUBST(enable_multilib)
+# Enable -Werror in bootstrap stage2 and later.
+# Change the default to "no" on release branches.
+AC_ARG_ENABLE(werror,
+[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
+[enable_werror=yes])
+if test x$enable_werror = xyes ; then
+ WERROR=-Werror
+fi
+AC_SUBST(WERROR)
+
# Enable expensive internal checks
AC_ARG_ENABLE(checking,
[ --enable-checking[=LIST]
rtl) ac_rtl_checking=1 ;;
gc) ac_gc_checking=1 ;;
gcac) ac_gc_always_collect=1 ;;
+ valgrind) ac_checking_valgrind=1 ;;
*) AC_MSG_ERROR(unknown check category $check) ;;
esac
done
paranoid mode, validating the entire heap and collecting garbage at
every opportunity. This is extremely expensive.])
fi
+valgrind_path_defines=
+valgrind_command=
+if test x$ac_checking_valgrind != x ; then
+ # It is certainly possible that there's valgrind but no valgrind.h.
+ # GCC relies on making annotations so we must have both.
+ AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
+ AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
+ [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
+ if test "x$valgrind_path" = "x" || test $have_valgrind_h = no; then
+ AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h])
+ fi
+ valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
+ valgrind_command="$valgrind_path -q"
+ AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
+[Define if you want to run subprograms and generated programs
+ through valgrind (a memory checker). This is extremely expensive.])
+fi
+AC_SUBST(valgrind_path_defines)
+AC_SUBST(valgrind_command)
# Enable code coverage collection
AC_ARG_ENABLE(coverage,
[ --enable-coverage[=LEVEL]
enable compiler\'s code coverage collection.
Use to measure compiler performance and locate
- unused parts of the compiler. With LEVEL, specificy
+ unused parts of the compiler. With LEVEL, specify
optimization. Values are opt, noopt,
default is noopt],
[case "${enableval}" in
yes|noopt)
- coverage_flags="-fprofile-arcs -ftest-coverage -O0"
+ coverage_flags="-fprofile-arcs -ftest-coverage -O0 -DSELF_COVERAGE=1"
;;
opt)
- coverage_flags="-fprofile-arcs -ftest-coverage -O2"
+ coverage_flags="-fprofile-arcs -ftest-coverage -O2 -DSELF_COVERAGE=2"
;;
*)
AC_MSG_ERROR(unknown coverage setting $enableval)
], [enable_shared=yes])
AC_SUBST(enable_shared)
-# Determine the host, build, and target systems
-AC_CANONICAL_SYSTEM
-
-# Set program_transform_name
-AC_ARG_PROGRAM
-
-# Find the native compiler
-AC_PROG_CC
-AC_PROG_CC_C_O
-# autoconf is lame and doesn't give us any substitution variable for this.
-if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
- NO_MINUS_C_MINUS_O=yes
-else
- OUTPUT_OPTION='-o $@'
-fi
-AC_SUBST(NO_MINUS_C_MINUS_O)
-AC_SUBST(OUTPUT_OPTION)
-
-# See if GNAT has been installed
-gcc_AC_PROG_GNAT
-
-AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long,
-ac_cv_prog_cc_no_long_long,
-[save_CFLAGS="$CFLAGS"
-CFLAGS="-Wno-long-long"
-AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes,
- ac_cv_prog_cc_no_long_long=no)
-CFLAGS="$save_CFLAGS"])
-
-if test x$have_gnat != xno ; then
-AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long,
-ac_cv_prog_adac_no_long_long,
-[cat >conftest.adb <<EOF
-procedure conftest is begin null; end conftest;
-EOF
-if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then
- ac_cv_prog_adac_no_long_long=yes
-else
- ac_cv_prog_adac_no_long_long=no
-fi
-rm -f conftest*])
-else
- ac_cv_prog_adac_no_long_long=yes
-fi
-
-strict1_warn=
-if test $ac_cv_prog_cc_no_long_long = yes && \
- test $ac_cv_prog_adac_no_long_long = yes ; then
- strict1_warn="-pedantic -Wno-long-long"
-fi
-AC_SUBST(strict1_warn)
-
-AC_PROG_CPP
-AC_C_INLINE
-gcc_AC_C_VOLATILE
-
-gcc_AC_C_LONG_DOUBLE
-gcc_AC_C_LONG_LONG
-gcc_AC_C__BOOL
-
-# sizeof(char) is 1 by definition.
-gcc_AC_COMPILE_CHECK_SIZEOF(short)
-gcc_AC_COMPILE_CHECK_SIZEOF(int)
-gcc_AC_COMPILE_CHECK_SIZEOF(long)
-if test $ac_cv_c_long_long = yes; then
- gcc_AC_COMPILE_CHECK_SIZEOF(long long)
-fi
-if test $ac_cv_c___int64 = yes; then
- gcc_AC_COMPILE_CHECK_SIZEOF(__int64)
-fi
-
-gcc_AC_C_CHARSET
-
-# If the native compiler is GCC, we can enable warnings even in stage1.
-# That's useful for people building cross-compilers, or just running a
-# quick `make'.
-warn_cflags=
-if test "x$GCC" = "xyes"; then
- warn_cflags='$(GCC_WARN_CFLAGS)'
-fi
-AC_SUBST(warn_cflags)
+AC_ARG_WITH(sysroot,
+[ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
+[
+ case ${with_sysroot} in
+ yes) TARGET_SYSTEM_ROOT='${gcc_tooldir}/sys-root' ;;
+ *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
+ esac
+
+ TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
+ CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
+
+ if test "x$exec_prefix" = xNONE; then
+ if test "x$prefix" = xNONE; then
+ test_prefix=/usr/local
+ else
+ test_prefix=$prefix
+ fi
+ else
+ test_prefix=$exec_prefix
+ fi
+ case ${TARGET_SYSTEM_ROOT} in
+ ${test_prefix}*)
+ t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
+ TARGET_SYSTEM_ROOT_DEFINE="$t"
+ ;;
+ esac
+], [
+ TARGET_SYSTEM_ROOT=
+ TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=0'
+ CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
+])
+AC_SUBST(TARGET_SYSTEM_ROOT)
+AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
+AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
# Stage specific cflags for build.
stage1_cflags=
AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
fcntl.h unistd.h sys/file.h sys/time.h \
sys/resource.h sys/param.h sys/times.h sys/stat.h \
- direct.h malloc.h langinfo.h)
+ direct.h malloc.h langinfo.h ldfcn.h)
# Check for thread headers.
AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
# These tests can't be done till we know if we have limits.h.
gcc_AC_C_CHAR_BIT
-gcc_AC_C_COMPILE_ENDIAN
+AC_C_BIGENDIAN_CROSS
gcc_AC_C_FLOAT_FORMAT
# See if we have the mktemp command.
# that we can use it.
gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
[GNU texinfo.* \([0-9][0-9.]*\)],
- [4.[1-9]*])
+ [4.[2-9]*])
fi
if test $gcc_cv_prog_makeinfo_modern = no; then
if test -f $srcdir/../flex/skel.c; then
FLEX='$(objdir)/../flex/flex'
else
- AC_CHECK_PROG(FLEX, flex, flex, false)
+ AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
fi
# Bison?
if test -f $srcdir/../bison/bison.simple; then
BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
else
- AC_CHECK_PROG(BISON, bison, bison, false)
+ AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
fi
# These libraries may be used by collect2.
CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
- fprintf_unlocked strstr errno \
+ fprintf_unlocked strstr errno vasprintf \
malloc realloc calloc free basename getopt clock, , ,[
#include "ansidecl.h"
#include "system.h"])
#endif
])
+gcc_AC_CHECK_DECLS(ldgetname, , ,[
+#include "ansidecl.h"
+#include "system.h"
+#ifdef HAVE_LDFCN_H
+#include <ldfcn.h>
+#endif
+])
+
gcc_AC_CHECK_DECLS(times, , ,[
#include "ansidecl.h"
#include "system.h"
[Define if <time.h> defines clock_t.])
fi
+AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar,
+[AC_TRY_COMPILE([
+#include "ansidecl.h"
+#include "system.h"
+],
+[if ((uchar *)0) return 0;
+ if (sizeof(uchar)) return 0;],
+ac_cv_type_uchar=yes, ac_cv_type_uchar=no)])
+if test $ac_cv_type_uchar = yes; then
+ AC_DEFINE(HAVE_UCHAR, 1,
+ [Define if <sys/types.h> defines \`uchar'.])
+fi
+
# Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
CFLAGS="$saved_CFLAGS"
+gcc_AC_INITFINI_ARRAY
+
# mkdir takes a single argument on some systems.
gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
AC_SUBST(manext)
AC_SUBST(objext)
+# With Setjmp/Longjmp based exception handling.
+AC_ARG_ENABLE(sjlj-exceptions,
+[ --enable-sjlj-exceptions
+ arrange to use setjmp/longjmp exception handling],
+[sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
+AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
+ [Define 0/1 to force the choice for exception handling model.])])
+
+AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
+# Use libunwind based exception handling.
+AC_ARG_ENABLE(libunwind-exceptions,
+[ --enable-libunwind-exceptions force use libunwind for exceptions],
+use_libunwind_exceptions=$enableval,
+use_libunwind_exceptions=$use_libunwind_default)
+if test x"$use_libunwind_exceptions" = xyes; then
+ AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
+ [Define if gcc should use -lunwind.])
+fi
+
target_gtfiles=
build_xm_file=
build_xm_defines=
done
fi
+if test x$need_64bit_hwint = xyes; then
+ AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
+[Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
+fi
+
count=a
for f in $host_xm_file; do
count=${count}x
echo " $srcdir/config/$f"
done
fi
+echo "Using ${out_host_hook_obj} for host machine hooks."
if test "$host_xm_file" != "$build_xm_file"; then
count=a
# auto-host.h is the file containing items generated by autoconf and is
# the first file included by config.h.
-# If host=build, it is correct to have hconfig include auto-host.h
+# If host=build, it is correct to have bconfig include auto-host.h
# as well. If host!=build, we are in error and need to do more
# work to find out the build config parameters.
if test x$host = x$build
cd ..
rm -rf $tempdir
build_auto=auto-build.h
- FORBUILD=../$build_alias
+ FORBUILD=../build-$build_alias
fi
AC_SUBST(FORBUILD)
tm_file="${tm_file} defaults.h"
-host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}"
-build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}"
-xm_file="ansidecl.h ${xm_file} ${tm_file}"
+tm_p_file="${tm_p_file} tm-preds.h"
+host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
+build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
+# We don't want ansidecl.h in target files, write code there in ISO/GNU C.
+# put this back in temporarily.
+xm_file="ansidecl.h ${xm_file}"
# Truncate the target if necessary
if test x$host_truncate_target != x; then
tm_p_file_list=
for f in $tm_p_file; do
- tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
+ case $f in
+ tm-preds.h )
+ tm_p_file_list="${tm_p_file_list} $f" ;;
+ *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
+ esac
done
host_xm_file_list=
# This prevents libgcc2 from containing any code which requires libc
# support.
inhibit_libc=
-if [test x$host != x$target] && [test x$with_headers = x]; then
+if { test x$host != x$target && test "x$with_headers" = x &&
+ test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then
inhibit_libc=-Dinhibit_libc
-else
- if [test x$with_newlib = xyes]; then
- inhibit_libc=-Dinhibit_libc
- fi
fi
AC_SUBST(inhibit_libc)
# When building gcc with a cross-compiler, we need to adjust things so
# that the generator programs are still built with the native compiler.
# Also, we cannot run fixincludes or fix-header.
-# Note that the terminology here is wrong; it should be BUILD_* throughout.
-# FIXME.
# These are the normal (build=host) settings:
BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
-HOST_CC='$(CC)' AC_SUBST(HOST_CC)
-HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
+BUILD_CC='$(CC)' AC_SUBST(BUILD_CC)
+BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
then
BUILD_PREFIX=build-
BUILD_PREFIX_1=build-
- HOST_CC='$(CC_FOR_BUILD)'
- HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
+ BUILD_CC='$(CC_FOR_BUILD)'
+ BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
STMP_FIXINC=
STMP_FIXPROTO=
AC_MSG_RESULT($gcc_cv_as_hidden)
libgcc_visibility=$gcc_cv_as_hidden
case "$target" in
- mips-sgi-irix6*o32)
+ mips-sgi-irix6*)
if test x"$gnu_ld_flag" = x"no"; then
# Even if using gas with .hidden support, the resulting object files
- # cannot be linked with the IRIX 6 O32 linker.
+ # cannot be linked with the IRIX 6 O32 linker. With the N32 and
+ # N64 linkers, the problem is that the linker refuses to accept
+ # -call_shared (passed by default to the linker) and -r (used to
+ # link the object file generated without .hidden directives with
+ # one that hides symbols), so we also lose.
libgcc_visibility=no
fi
;;
tls_first_major=2
tls_first_minor=13
;;
+ s390-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ .long foo@TLSGD
+ .long foo@TLSLDM
+ .long foo@DTPOFF
+ .long foo@NTPOFF
+ .long foo@GOTNTPOFF
+ .long foo@INDNTPOFF
+ l %r1,foo@GOTNTPOFF(%r12)
+ l %r1,0(%r1):tls_load:foo
+ bas %r14,0(%r1,%r13):tls_gdcall:foo
+ bas %r14,0(%r1,%r13):tls_ldcall:foo'
+ tls_first_major=2
+ tls_first_minor=14
+ ;;
+ s390x-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ .quad foo@TLSGD
+ .quad foo@TLSLDM
+ .quad foo@DTPOFF
+ .quad foo@NTPOFF
+ .quad foo@GOTNTPOFF
+ lg %r1,foo@GOTNTPOFF(%r12)
+ larl %r1,foo@INDNTPOFF
+ brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
+ brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
+ tls_first_major=2
+ tls_first_minor=14
+ ;;
esac
if test -z "$tls_first_major"; then
:
# ??? Once 2.11 is released, probably need to add first known working
# version to the per-target configury.
case "$target" in
- i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-* | hppa*-*-*)
+ i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
+ | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*)
insn="nop"
;;
ia64*-*-*)
fi
AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
+AC_MSG_CHECKING(linker read-only and read-write section mixing)
+gcc_cv_ld_ro_rw_mix=unknown
+if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
+ gcc_cv_ld_ro_rw_mix=read-write
+ fi
+elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
+ echo '.section "myfoosect", "a"' > conftest1.s
+ echo '.section "myfoosect", "aw"' > conftest2.s
+ echo '.byte 1' >> conftest2.s
+ echo '.section "myfoosect", "a"' > conftest3.s
+ echo '.byte 0' >> conftest3.s
+ if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
+ && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
+ && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
+ && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
+ conftest2.o conftest3.o; then
+ gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
+ | grep -A1 myfoosect`
+ if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
+ if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
+ gcc_cv_ld_ro_rw_mix=read-only
+ else
+ gcc_cv_ld_ro_rw_mix=read-write
+ fi
+ fi
+ fi
+changequote(,)dnl
+ rm -f conftest.* conftest[123].*
+changequote([,])dnl
+fi
+if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
+ AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
+ [Define if your linker links a mix of read-only
+ and read-write sections into a read-write section.])
+fi
+AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
+
AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
gcc_cv_ld_eh_frame_hdr=no
if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
;;
esac
-if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
+if test x$with_sysroot = x && test x$host = x$target \
+ && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
fi
fi
AC_SUBST(MAINT)dnl
-# With Setjmp/Longjmp based exception handling.
-AC_ARG_ENABLE(sjlj-exceptions,
-[ --enable-sjlj-exceptions
- arrange to use setjmp/longjmp exception handling],
-[sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
-AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
- [Define 0/1 to force the choice for exception handling model.])])
-
-# Use libunwind based exception handling.
-AC_ARG_ENABLE(libunwind-exceptions,
-[ --enable-libunwind-exceptions force use libunwind for exceptions],
-use_libunwind_exceptions=$enableval,
-use_libunwind_exceptions=no)
-if test x"$use_libunwind_exceptions" = xyes; then
- AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
- [Define if gcc should use -lunwind.])
-fi
-
# Make empty files to contain the specs and options for each language.
# Then add #include lines to for a compiler that has specs and/or options.
AC_SUBST(host_xm_file_list)
AC_SUBST(host_xm_file)
AC_SUBST(host_xm_defines)
+AC_SUBST(out_host_hook_obj)
AC_SUBST(install)
AC_SUBST(lang_options_files)
AC_SUBST(lang_specs_files)
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