#You should have received a copy of the GNU General Public License
#along with GCC; see the file COPYING. If not, write to the Free
-#Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-#02111-1307, USA.
+#Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+#02110-1301, USA.
# --------------------------------
# Initialization and sanity checks
AC_CONFIG_SRCDIR(tree.c)
AC_CONFIG_HEADER(auto-host.h:config.in)
+gcc_version=`cat $srcdir/BASE-VER`
+
# Determine the host, build, and target systems
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
# Determine the noncanonical target name, for directory use.
-_GCC_TOPLEV_NONCANONICAL_TARGET
+ACX_NONCANONICAL_TARGET
# Determine the target- and build-specific subdirectories
GCC_TOPLEV_SUBDIRS
if test x${enable_version_specific_runtime_libs} = xyes; then
gcc_gxx_include_dir='${libsubdir}/include/c++'
else
- topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
+ libstdcxx_incdir='c++/$(version)'
changequote(<<, >>)dnl
gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
changequote([, ])dnl
DEFAULT_LINKER="$with_ld")
if test x"${DEFAULT_LINKER+set}" = x"set"; then
if test ! -x "$DEFAULT_LINKER"; then
- AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
+ AC_MSG_ERROR([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
gnu_ld_flag=yes
fi
AC_MSG_RESULT(no)
fi
+# With demangler in GNU ld
+AC_ARG_WITH(demangler-in-ld,
+[ --with-demangler-in-ld try to use demangler in GNU ld.],
+demangler_in_ld="$with_demangler_in_ld",
+demangler_in_ld=no)
+
# ----------------------
# Find default assembler
# ----------------------
DEFAULT_ASSEMBLER="$with_as")
if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
if test ! -x "$DEFAULT_ASSEMBLER"; then
- AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
+ AC_MSG_ERROR([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
gas_flag=yes
fi
# Find the native compiler
AC_PROG_CC
-AC_PROG_CC_C_O
+AM_PROG_CC_C_O
# autoconf is lame and doesn't give us any substitution variable for this.
if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
NO_MINUS_C_MINUS_O=yes
AC_PROG_CPP
AC_C_INLINE
-gcc_AC_C_LONG_LONG
-gcc_AC_C__BOOL
-
# sizeof(char) is 1 by definition.
-AC_COMPILE_CHECK_SIZEOF(void *)
-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
+AC_CHECK_SIZEOF(void *)
+AC_CHECK_SIZEOF(short)
+AC_CHECK_SIZEOF(int)
+AC_CHECK_SIZEOF(long)
+AC_CHECK_TYPES([long long], [AC_CHECK_SIZEOF(long long)])
+AC_CHECK_TYPES([__int64], [AC_CHECK_SIZEOF(__int64)])
# ---------------------
# Warnings and checking
&& test $ac_cv_prog_cc_w_no_variadic_macros = yes ; then
strict1_warn="-pedantic -Wno-long-long -Wno-variadic-macros"
fi
-AC_SUBST(strict1_warn)
# Add -Wold-style-definition if it's accepted
AC_CACHE_CHECK(
strict1_warn="${strict1_warn} -Wold-style-definition"
fi
+# Add -Wmissing-format-attribute if it's accepted
+AC_CACHE_CHECK(
+ [whether ${CC} accepts -Wmissing-format-attribute],
+ [ac_cv_prog_cc_w_missing_format_attribute],
+ [save_CFLAGS="$CFLAGS"
+ CFLAGS="-Wmissing-format-attribute"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
+ [ac_cv_prog_cc_w_missing_format_attribute=yes],
+ [ac_cv_prog_cc_w_missing_format_attribute=no])
+ CFLAGS="$save_CFLAGS"
+ ])
+if test $ac_cv_prog_cc_w_missing_format_attribute = yes ; then
+ strict1_warn="${strict1_warn} -Wmissing-format-attribute"
+fi
+
# Enable -Werror, period.
AC_ARG_ENABLE(werror_always,
[ --enable-werror-always enable -Werror always], [],
WERROR=-Werror
fi
+AC_SUBST(strict1_warn)
+
# 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'.
AC_SUBST(warn_cflags)
# Enable -Werror in bootstrap stage2 and later.
-# Change the default to "no" on release branches.
+is_release=
+if test x"`cat $srcdir/DEV-PHASE`" != xexperimental; then
+ is_release=yes
+fi
AC_ARG_ENABLE(werror,
[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
-[enable_werror=yes])
+[if test x$is_release = x ; then
+ # Default to "yes" on development branches.
+ enable_werror=yes
+else
+ # Default to "no" on release branches.
+ enable_werror=no
+fi])
if test x$enable_werror = xyes ; then
WERROR=-Werror
fi
[ --enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
- Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold;
- default is misc,tree,gc,rtlflag],
-[ac_checking=
-ac_tree_checking=
-ac_rtl_checking=
-ac_rtlflag_checking=
+ Categories are: yes,no,all,none,release.
+ Flags are: assert,fold,gc,gcac,misc,
+ rtlflag,rtl,runtime,tree,valgrind.],
+[ac_checking_flags="${enableval}"],[
+# Determine the default checks.
+if test x$is_release = x ; then
+ ac_checking_flags=yes
+else
+ ac_checking_flags=release
+fi])
+ac_assert_checking=1
+ac_checking=
+ac_fold_checking=
ac_gc_checking=
ac_gc_always_collect=
-ac_fold_checking=
-case "${enableval}" in
-yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
- ac_rtlflag_checking=1 ;;
-no) ;;
-*) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
- set fnord $enableval; shift
- IFS="$ac_save_IFS"
- for check
- do
- case $check in
- misc) ac_checking=1 ;;
- tree) ac_tree_checking=1 ;;
- rtlflag) ac_rtlflag_checking=1 ;;
- rtl) ac_rtl_checking=1 ;;
- gc) ac_gc_checking=1 ;;
- gcac) ac_gc_always_collect=1 ;;
- fold) ac_fold_checking=1 ;;
- valgrind) ac_checking_valgrind=1 ;;
- *) AC_MSG_ERROR(unknown check category $check) ;;
- esac
- done
- ;;
-esac
-],
-# Enable some checks by default for development versions of GCC
-[ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
+ac_rtl_checking=
+ac_rtlflag_checking=
+ac_runtime_checking=1
+ac_tree_checking=
+ac_valgrind_checking=
+IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
+for check in $ac_checking_flags
+do
+ case $check in
+ # these set all the flags to specific states
+ yes) ac_assert_checking=1 ; ac_checking=1 ;
+ ac_fold_checking= ; ac_gc_checking=1 ;
+ ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
+ ac_tree_checking=1 ; ac_valgrind_checking= ;;
+ no|none) ac_assert_checking= ; ac_checking= ;
+ ac_fold_checking= ; ac_gc_checking= ;
+ ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_rtlflag_checking= ; ac_runtime_checking= ;
+ ac_tree_checking= ; ac_valgrind_checking= ;;
+ all) ac_assert_checking=1 ; ac_checking=1 ;
+ ac_fold_checking=1 ; ac_gc_checking=1 ;
+ ac_gc_always_collect=1 ; ac_rtl_checking=1 ;
+ ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
+ ac_tree_checking=1 ; ac_valgrind_checking= ;;
+ release) ac_assert_checking=1 ; ac_checking= ;
+ ac_fold_checking= ; ac_gc_checking= ;
+ ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_rtlflag_checking= ; ac_runtime_checking=1 ;
+ ac_tree_checking= ; ac_valgrind_checking= ;;
+ # these enable particular checks
+ assert) ac_assert_checking=1 ;;
+ fold) ac_fold_checking=1 ;;
+ gc) ac_gc_checking=1 ;;
+ gcac) ac_gc_always_collect=1 ;;
+ misc) ac_checking=1 ;;
+ rtl) ac_rtl_checking=1 ;;
+ rtlflag) ac_rtlflag_checking=1 ;;
+ runtime) ac_runtime_checking=1 ;;
+ tree) ac_tree_checking=1 ;;
+ valgrind) ac_valgrind_checking=1 ;;
+ *) AC_MSG_ERROR(unknown check category $check) ;;
+ esac
+done
+IFS="$ac_save_IFS"
+
nocommon_flag=""
if test x$ac_checking != x ; then
AC_DEFINE(ENABLE_CHECKING, 1,
nocommon_flag=-fno-common
fi
AC_SUBST(nocommon_flag)
+if test x$ac_assert_checking != x ; then
+ AC_DEFINE(ENABLE_ASSERT_CHECKING, 1,
+[Define if you want assertions enabled. This is a cheap check.])
+fi
+GCC_TARGET_TEMPLATE(ENABLE_RUNTIME_CHECKING)
+if test x$ac_runtime_checking != x ; then
+ AC_DEFINE(ENABLE_RUNTIME_CHECKING, 1,
+[Define if you want runtime assertions enabled. This is a cheap check.])
+fi
if test x$ac_tree_checking != x ; then
AC_DEFINE(ENABLE_TREE_CHECKING, 1,
[Define if you want all operations on trees (the basic data
structure of the front ends) to be checked for dynamic type safety
- at runtime. This is moderately expensive.])
+ at runtime. This is moderately expensive. The tree browser debugging
+ routines will also be enabled by this option.
+ ])
+ TREEBROWSER=tree-browser.o
fi
+AC_SUBST(TREEBROWSER)
if test x$ac_rtl_checking != x ; then
AC_DEFINE(ENABLE_RTL_CHECKING, 1,
[Define if you want all operations on RTL (the basic data structure
dnl # in converting to autoconf 2.5x!
AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
-if test x$ac_checking_valgrind != x ; then
+if test x$ac_valgrind_checking != x ; then
# It is certainly possible that there's valgrind but no valgrind.h.
# GCC relies on making annotations so we must have both.
AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>)
- AC_TRY_CPP(
- [#include <valgrind/memcheck.h>
+ AC_PREPROC_IFELSE([AC_LANG_SOURCE(
+ [[#include <valgrind/memcheck.h>
#ifndef VALGRIND_DISCARD
#error VALGRIND_DISCARD not defined
-#endif],
+#endif]])],
[gcc_cv_header_valgrind_memcheck_h=yes],
[gcc_cv_header_valgrind_memcheck_h=no])
AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h)
AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
- AC_TRY_CPP(
- [#include <memcheck.h>
+ AC_PREPROC_IFELSE([AC_LANG_SOURCE(
+ [[#include <memcheck.h>
#ifndef VALGRIND_DISCARD
#error VALGRIND_DISCARD not defined
-#endif],
- [gcc_cv_header_memcheck_h=yes],
- gcc_cv_header_memcheck_h=no)
+#endif]])],
+ [gcc_cv_header_memcheck_h=yes],
+ [gcc_cv_header_memcheck_h=no])
AC_MSG_RESULT($gcc_cv_header_memcheck_h)
AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
[$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
AC_SUBST(valgrind_path_defines)
AC_SUBST(valgrind_command)
+AC_ARG_ENABLE(mapped-location,
+[ --enable-mapped-location location_t is fileline integer cookie],,
+enable_mapped_location=no)
+
+if test "$enable_mapped_location" = yes ; then
+ AC_DEFINE(USE_MAPPED_LOCATION, 1,
+[Define if location_t is fileline integer cookie.])
+fi
+
# Enable code coverage collection
AC_ARG_ENABLE(coverage,
[ --enable-coverage[=LEVEL]
- enable compiler\'s code coverage collection.
+ enable compiler's code coverage collection.
Use to measure compiler performance and locate
unused parts of the compiler. With LEVEL, specify
optimization. Values are opt, noopt,
], [enable_shared=yes])
AC_SUBST(enable_shared)
+AC_ARG_WITH(build-sysroot,
+ [ --with-build-sysroot=sysroot
+ use sysroot as the system root during the build])
+
AC_ARG_WITH(sysroot,
[ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
[
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
# Find some useful tools
AC_PROG_AWK
-# We need awk to run opts.sh (to create options.c and options.h).
+# We need awk to create options.c and options.h.
# Bail out if it's missing.
case ${AWK} in
"") AC_MSG_ERROR([can't build without awk, bailing out]) ;;
esac
-gcc_AC_PROG_LN
gcc_AC_PROG_LN_S
+ACX_PROG_LN($LN_S)
AC_PROG_RANLIB
+case "${host}" in
+*-*-darwin*)
+ # By default, the Darwin ranlib will not treat common symbols as
+ # definitions when building the archive table of contents. Other
+ # ranlibs do that; pass an option to the Darwin ranlib that makes
+ # it behave similarly.
+ ranlib_flags="-c"
+ ;;
+*)
+ ranlib_flags=""
+esac
+AC_SUBST(ranlib_flags)
+
gcc_AC_PROG_INSTALL
# See if cmp has --ignore-initial.
# See if we have the mktemp command.
AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
-# Do we have a single-tree copy of texinfo?
-if test -f $srcdir/../texinfo/Makefile.in; then
- MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo'
- gcc_cv_prog_makeinfo_modern=yes
- AC_MSG_RESULT([Using makeinfo from the unified source tree.])
-else
- # See if makeinfo has been installed and is modern enough
- # that we can use it.
- gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
+MISSING="${CONFIG_SHELL-/bin/sh} $srcdir/../missing"
+
+# See if makeinfo has been installed and is modern enough
+# that we can use it.
+gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
[GNU texinfo.* \([0-9][0-9.]*\)],
[4.[2-9]*])
-fi
-
if test $gcc_cv_prog_makeinfo_modern = no; then
+ MAKEINFO="$MISSING makeinfo"
AC_MSG_WARN([
*** Makeinfo is missing or too old.
*** Info documentation will not be built.])
BUILD_INFO=
else
- BUILD_INFO=info AC_SUBST(BUILD_INFO)
+ BUILD_INFO=info
fi
+AC_SUBST(BUILD_INFO)
# Is pod2man recent enough to regenerate manpages?
AC_MSG_CHECKING([for recent Pod::Man])
if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
AC_MSG_RESULT(yes)
- GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES)
+ GENERATED_MANPAGES=generated-manpages
else
AC_MSG_RESULT(no)
GENERATED_MANPAGES=
fi
+AC_SUBST(GENERATED_MANPAGES)
# How about lex?
dnl Don't use AC_PROG_LEX; we insist on flex.
dnl LEXLIB is not useful in gcc.
-if test -f $srcdir/../flex/skel.c; then
- FLEX='$(objdir)/../flex/flex'
+AC_CHECK_PROGS([FLEX], flex, [$MISSING flex])
+
+# Bison?
+AC_CHECK_PROGS([BISON], bison, [$MISSING bison])
+
+# Binutils are not build modules, unlike bison/flex/makeinfo. So we
+# check for build == host before using them.
+
+# NM
+if test x${build} = x${host} && test -f $srcdir/../binutils/nm.c \
+ && test -d ../binutils ; then
+ NM='$(objdir)/../binutils/nm-new'
else
- AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
+ AC_CHECK_PROG(NM, nm, nm, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing nm)
fi
-# Bison?
-# The -L switch is so bison can find its skeleton file.
-if test -f $srcdir/../bison/bison.simple; then
- BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
+# AR
+if test x${build} = x${host} && test -f $srcdir/../binutils/ar.c \
+ && test -d ../binutils ; then
+ AR='$(objdir)/../binutils/ar'
else
- AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
+ AC_CHECK_PROG(AR, ar, ar, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing ar)
fi
+
# --------------------
# Checks for C headers
# --------------------
AC_MSG_CHECKING(for GNU C library)
AC_CACHE_VAL(gcc_cv_glibc,
-[AC_TRY_COMPILE(
- [#include <features.h>],[
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+ [[#include <features.h>]], [[
#if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
#error Not a GNU C library system
-#endif],
- [gcc_cv_glibc=yes],
- gcc_cv_glibc=no)])
+#endif]])],
+ [gcc_cv_glibc=yes],
+ [gcc_cv_glibc=no])])
AC_MSG_RESULT($gcc_cv_glibc)
if test $gcc_cv_glibc = yes; then
AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
AC_HEADER_STDC
AC_HEADER_TIME
-gcc_AC_HEADER_STDBOOL
-gcc_AC_HEADER_STRING
+ACX_HEADER_STRING
AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
+AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h iconv.h \
fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \
sys/resource.h sys/param.h sys/times.h sys/stat.h \
direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h)
# These tests can't be done till we know if we have limits.h.
gcc_AC_C_CHAR_BIT
-AC_C_BIGENDIAN_CROSS
+AC_C_BIGENDIAN
# --------
# UNSORTED
# doesn't clash with <sys/types.h>, and declares intmax_t.
AC_MSG_CHECKING(for inttypes.h)
AC_CACHE_VAL(gcc_cv_header_inttypes_h,
-[AC_TRY_COMPILE(
- [#include <sys/types.h>
-#include <inttypes.h>],
- [intmax_t i = -1;],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[#include <sys/types.h>
+#include <inttypes.h>]],
+ [[intmax_t i = -1;]])],
[gcc_cv_header_inttypes_h=yes],
- gcc_cv_header_inttypes_h=no)])
+ [gcc_cv_header_inttypes_h=no])])
AC_MSG_RESULT($gcc_cv_header_inttypes_h)
if test $gcc_cv_header_inttypes_h = yes; then
AC_DEFINE(HAVE_INTTYPES_H, 1,
dnl Disabled until we have a complete test for buggy enum bitfields.
dnl gcc_AC_C_ENUM_BF_UNSIGNED
-AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
- sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
- fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \
- scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \
- setlocale)
+define(gcc_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
+ ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
+ fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
+ fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
+ putchar_unlocked putc_unlocked)
+AC_CHECK_FUNCS(times clock kill getrlimit setrlimit atoll atoq \
+ sysconf strsignal getrusage nl_langinfo scandir alphasort \
+ gettimeofday mbstowcs wcswidth mmap mincore setlocale \
+ gcc_UNLOCKED_FUNCS)
if test x$ac_cv_func_mbstowcs = xyes; then
AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
-[ AC_TRY_RUN([#include <stdlib.h>
+[ AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
int main()
{
mbstowcs(0, "", 0);
return 0;
-}],
- gcc_cv_func_mbstowcs_works=yes,
- gcc_cv_func_mbstowcs_works=no,
- gcc_cv_func_mbstowcs_works=yes)])
+}]])],
+ [gcc_cv_func_mbstowcs_works=yes],
+ [gcc_cv_func_mbstowcs_works=no],
+ [gcc_cv_func_mbstowcs_works=yes])])
if test x$gcc_cv_func_mbstowcs_works = xyes; then
AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
[Define this macro if mbstowcs does not crash when its
fi
AC_SUBST(TARGET_GETGROUPS_T)
-gcc_AC_FUNC_PRINTF_PTR
gcc_AC_FUNC_MMAP_BLACKLIST
case "${host}" in
ac_cv_func_vfork_works=yes
;;
esac
-AC_FUNC_VFORK
+AC_FUNC_FORK
AM_ICONV
# Until we have in-tree GNU iconv:
AM_LC_MESSAGES
+AM_LANGINFO_CODESET
+
# We will need to find libiberty.h and ansidecl.h
saved_CFLAGS="$CFLAGS"
CFLAGS="$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 snprintf vasprintf \
- malloc realloc calloc free basename getopt clock, , ,[
+gcc_AC_CHECK_DECLS(getenv atol asprintf sbrk abort atof getcwd getwd \
+ strsignal strstr strverscmp \
+ errno snprintf vsnprintf vasprintf malloc realloc calloc \
+ free basename getopt clock getpagesize gcc_UNLOCKED_FUNCS, , ,[
#include "ansidecl.h"
#include "system.h"])
#endif
])
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include "ansidecl.h"
#include "system.h"
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
-],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long],
+]], [[rlim_t l = 0;]])],[],[AC_DEFINE([rlim_t],[long],
[Define to \`long' if <sys/resource.h> doesn't define.])])
+# On AIX 5.2, <ldfcn.h> conflicts with <fcntl.h>, as both define incompatible
+# FREAD and FWRITE macros. Fortunately, for GCC's single usage of ldgetname
+# in collect2.c, <fcntl.h> isn't visible, but the configure test below needs
+# to undef these macros to get the correct value for HAVE_DECL_LDGETNAME.
gcc_AC_CHECK_DECLS(ldgetname, , ,[
#include "ansidecl.h"
#include "system.h"
#ifdef HAVE_LDFCN_H
+#undef FREAD
+#undef FWRITE
#include <ldfcn.h>
#endif
])
# More time-related stuff.
AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include "ansidecl.h"
#include "system.h"
#ifdef HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
-], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
+]], [[struct tms tms;]])],[ac_cv_struct_tms=yes],[ac_cv_struct_tms=no])])
if test $ac_cv_struct_tms = yes; then
AC_DEFINE(HAVE_STRUCT_TMS, 1,
[Define if <sys/times.h> defines struct tms.])
# use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
# revisit after autoconf 2.50.
AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
-AC_TRY_COMPILE([
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include "ansidecl.h"
#include "system.h"
-], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
+]], [[clock_t x;]])],[gcc_cv_type_clock_t=yes],[gcc_cv_type_clock_t=no])])
if test $gcc_cv_type_clock_t = yes; then
AC_DEFINE(HAVE_CLOCK_T, 1,
[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"
AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
[Define 0/1 to force the choice for exception handling model.])])
-if test x$host = x$target; then
- AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
-else
- use_libunwind_default=no
-fi
-# Use libunwind based exception handling.
-AC_ARG_ENABLE(libunwind-exceptions,
-[ --enable-libunwind-exceptions force use libunwind for exceptions],
-use_libunwind_exceptions=$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
+# For platforms with the unwind ABI which includes an unwind library,
+# libunwind, we can choose to use the system libunwind.
+AC_ARG_WITH(system-libunwind,
+[ --with-system-libunwind use installed libunwind])
# --------------------------------------------------------
# Build, host, and target specific configuration fragments
[Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
fi
+if test x$use_long_long_for_widest_fast_int = xyes; then
+ AC_DEFINE(USE_LONG_LONG_FOR_WIDEST_FAST_INT, 1,
+[Define to 1 if the 'long long' (or '__int64') is wider than 'long' but still
+efficiently supported by the host hardware.])
+fi
+
count=a
for f in $host_xm_file; do
count=${count}x
# default
target_thread_file='single'
;;
- aix | dce | gnat | irix | posix | rtems | \
+ aix | dce | gnat | irix | posix | posix95 | rtems | \
single | solaris | vxworks | win32 )
target_thread_file=${enable_threads}
;;
# UNSORTED
# --------
+use_cxa_atexit=no
if test x$enable___cxa_atexit = xyes || \
test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
- AC_CHECK_FUNC(__cxa_atexit,
- [AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
- [Define if you want to use __cxa_atexit, rather than atexit, to
- register C++ destructors for local statics and global objects.
- This is essential for fully standards-compliant handling of
- destructors, but requires __cxa_atexit in libc.])],
- echo "__cxa_atexit can't be enabled on this target")
+ if test x$host = x$target; then
+ AC_CHECK_FUNC(__cxa_atexit,[use_cxa_atexit=yes],
+ [echo "__cxa_atexit can't be enabled on this target"])
+ else
+ # We can't check for __cxa_atexit when building a cross, so assume
+ # it is available
+ use_cxa_atexit=yes
+ fi
+ if test x$use_cxa_atexit = xyes; then
+ AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
+ [Define if you want to use __cxa_atexit, rather than atexit, to
+ register C++ destructors for local statics and global objects.
+ This is essential for fully standards-compliant handling of
+ destructors, but requires __cxa_atexit in libc.])
+ fi
fi
# Look for a file containing extra machine modes.
for this architecture.])
fi
+# Convert extra_options into a form suitable for Makefile use.
+extra_opt_files=
+for f in $extra_options; do
+ extra_opt_files="$extra_opt_files \$(srcdir)/config/$f"
+done
+AC_SUBST(extra_opt_files)
+
# auto-host.h is the file containing items generated by autoconf and is
# the first file included by config.h.
# If host=build, it is correct to have bconfig include auto-host.h
if test x$host = x$build
then
build_auto=auto-host.h
- FORBUILD=..
else
# We create a subdir, then run autoconf in the subdir.
# To prevent recursion we set host and build for the new
cd ..
rm -rf $tempdir
build_auto=auto-build.h
- FORBUILD=../${build_subdir}
fi
-AC_SUBST(FORBUILD)
+AC_SUBST(build_subdir)
tm_file="${tm_file} defaults.h"
tm_p_file="${tm_p_file} tm-preds.h"
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}"
+xm_file="auto-host.h ansidecl.h ${xm_file}"
# --------
# UNSORTED
# --------
-# Get the version trigger filename from the toplevel
-if test "${with_gcc_version_trigger+set}" = set; then
- gcc_version_trigger=$with_gcc_version_trigger
-else
- gcc_version_trigger=${srcdir}/version.c
-fi
changequote(,)dnl
-gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'`
-gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
-
# Compile in configure arguments.
if test -f configargs.h ; then
# Being re-configured.
changequote([,])dnl
# Internationalization
-PACKAGE=gcc
-VERSION="$gcc_version"
-AC_SUBST(PACKAGE)
-AC_SUBST(VERSION)
-
ZW_GNU_GETTEXT_SISTER_DIR
# If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get
LIBICONV= ;;
esac
+AC_ARG_ENABLE(secureplt,
+[ --enable-secureplt enable -msecure-plt by default for PowerPC],
+[], [])
+
# Windows32 Registry support for specifying GCC installation paths.
AC_ARG_ENABLE(win32-registry,
[ --disable-win32-registry
--enable-win32-registry=KEY
use KEY instead of GCC version as the last portion
of the registry key],,)
+
case $host_os in
- win32 | pe | cygwin* | mingw32* | uwin*)
-AC_MSG_CHECKING(whether windows registry support is requested)
-if test "x$enable_win32_registry" != xno; then
- AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
-[Define to 1 if installation paths should be looked up in Windows32
- Registry. Ignored on non windows32 hosts.])
- AC_MSG_RESULT(yes)
- AC_SEARCH_LIBS(RegOpenKeyExA, advapi32)
-else
- AC_MSG_RESULT(no)
-fi
+ win32 | pe | cygwin* | mingw32* | uwin*)
+ if test "x$enable_win32_registry" != xno; then
+ AC_SEARCH_LIBS(RegOpenKeyExA, advapi32,, [enable_win32_registry=no])
+ fi
-# Check if user specified a different registry key.
-case "x${enable_win32_registry}" in
-x | xyes)
- # default.
- gcc_cv_win32_registry_key="$VERSION"
- ;;
-xno)
- # no registry lookup.
- gcc_cv_win32_registry_key=''
- ;;
-*)
- # user-specified key.
- gcc_cv_win32_registry_key="$enable_win32_registry"
+ if test "x$enable_win32_registry" != xno; then
+ AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
+ [Define to 1 if installation paths should be looked up in the Windows
+ Registry. Ignored on non-Windows hosts.])
+
+ if test "x$enable_win32_registry" != xyes \
+ && test "x$enable_win32_registry" != x; then
+ AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$enable_win32_registry",
+ [Define to be the last component of the Windows registry key under which
+ to look for installation paths. The full key used will be
+ HKEY_LOCAL_MACHINE/SOFTWARE/Free Software Foundation/{WIN32_REGISTRY_KEY}.
+ The default is the GCC version number.])
+ fi
+ fi
;;
esac
-if test "x$enable_win32_registry" != xno; then
- AC_MSG_CHECKING(registry key on windows hosts)
- AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key",
- [Define to be the last portion of registry key on windows hosts.])
- AC_MSG_RESULT($gcc_cv_win32_registry_key)
-fi
-;;
-esac
-
# Get an absolute path to the GCC top-level source directory
holddir=`${PWDCMD-pwd}`
cd $srcdir
done
tmake_file="${tmake_file_}"
-symbolic_link='ln -s'
-
# If the host doesn't support symlinks, modify CC in
# FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
# Otherwise, we can use "CC=$(CC)".
rm -f symtest.tem
-if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null
-then
- cc_set_by_configure="\$(CC)"
- quoted_cc_set_by_configure="\$(CC)"
- stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
- quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
-else
- rm -f symtest.tem
- if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null
- then
- symbolic_link="cp -p"
- else
- symbolic_link="cp"
- fi
- cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
- quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
- stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
- quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
-fi
-rm -f symtest.tem
+case "$LN_S" in
+ *-s*)
+ cc_set_by_configure="\$(CC)"
+ quoted_cc_set_by_configure="\$(CC)"
+ stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
+ quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
+ ;;
+ *)
+ cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
+ quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
+ stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
+ quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
+ ;;
+esac
+
+# This is a terrible hack which will go away some day.
+host_cc_for_libada=${CC}
+AC_SUBST(host_cc_for_libada)
out_object_file=`basename $out_file .c`.o
-tm_file_list=
-tm_include_list=
+tm_file_list="options.h"
+tm_include_list="options.h"
for f in $tm_file; do
case $f in
defaults.h )
CROSS= AC_SUBST(CROSS)
ALL=all.internal AC_SUBST(ALL)
SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
+
+if test "x$with_build_sysroot" != x; then
+ build_system_header_dir=$with_build_sysroot'$(NATIVE_SYSTEM_HEADER_DIR)'
+else
+ # This value is used, even on a native system, because
+ # CROSS_SYSTEM_HEADER_DIR is just
+ # $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR).
+ build_system_header_dir='$(CROSS_SYSTEM_HEADER_DIR)'
+fi
+
if test x$host != x$target
then
CROSS="-DCROSS_COMPILE"
ALL=all.cross
- SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
+ SYSTEM_HEADER_DIR=$build_system_header_dir
case "$host","$target" in
# Darwin crosses can use the host system's libraries and headers,
# because of the fat library support. Of course, it must be the
CROSS="$CROSS -DNATIVE_CROSS" ;;
esac
elif test "x$TARGET_SYSTEM_ROOT" != x; then
- # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
- SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
+ SYSTEM_HEADER_DIR=$build_system_header_dir
fi
# If this is a cross-compiler that does not
# then define inhibit_libc in LIBGCC2_CFLAGS.
# This prevents libgcc2 from containing any code which requires libc
# support.
-inhibit_libc=
+inhibit_libc=false
if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
test x$with_newlib = xyes ; } &&
{ test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
- inhibit_libc=-Dinhibit_libc
+ inhibit_libc=true
fi
AC_SUBST(inhibit_libc)
# Also, we cannot run fixincludes or fix-header.
# These are the normal (build=host) settings:
-BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
-BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD)
BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
-
STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
# Possibly disable fixproto, on a per-target basis.
# And these apply if build != host, or we are generating coverage data
if test x$build != x$host || test "x$coverage_flags" != x
then
- BUILD_PREFIX=build-
- BUILD_PREFIX_1=build-
BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
if test "x$TARGET_SYSTEM_ROOT" = x; then
- STMP_FIXINC=
- STMP_FIXPROTO=
+ if test "x$STMP_FIXPROTO" != x; then
+ STMP_FIXPROTO=stmp-install-fixproto
+ fi
fi
fi
# If build != host, and we aren't building gas in-tree, we identify a
# build->target assembler and hope that it will have the same features
# as the host->target assembler we'll be using.
-AC_MSG_CHECKING(what assembler to use)
in_tree_gas=no
gcc_cv_as=
gcc_cv_gas_major_version=
gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
if test -x "$DEFAULT_ASSEMBLER"; then
gcc_cv_as="$DEFAULT_ASSEMBLER"
-elif test -x "$AS"; then
- gcc_cv_as="$AS"
-elif test -x as$host_exeext; then
- # Build using assembler in the current directory.
- gcc_cv_as=./as$host_exeext
elif test -f $gcc_cv_as_gas_srcdir/configure.in \
- && test -f ../gas/Makefile; then
- # Single tree build which includes gas.
+ && test -f ../gas/Makefile \
+ && test x$build = x$host; then
+ # Single tree build which includes gas. We want to prefer it
+ # over whatever linker top-level may have detected, since
+ # we'll use what we're building after installation anyway.
in_tree_gas=yes
_gcc_COMPUTE_GAS_VERSION
- rm -f as$host_exeext
- $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
+ gcc_cv_as=../gas/as-new$build_exeext
in_tree_gas_is_elf=no
if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
|| (grep 'obj_format = multi' ../gas/Makefile \
then
in_tree_gas_is_elf=yes
fi
+m4_pattern_allow([AS_FOR_TARGET])dnl
+elif test -x as$build_exeext; then
+ # Build using assembler in the current directory.
+ gcc_cv_as=./as$build_exeext
+elif test -x "$AS_FOR_TARGET"; then
+ gcc_cv_as="$AS_FOR_TARGET"
+elif test -x "$AS" && test x$host = x$target; then
+ gcc_cv_as="$AS"
fi
-if test "x$gcc_cv_as" = x; then
- # Search the same directories that the installed compiler will
- # search. Else we may find the wrong assembler and lose. If we
- # do not find a suitable assembler binary, then try the user's
- # path.
- #
- # Also note we have to check MD_EXEC_PREFIX before checking the
- # user's path. Unfortunately, there is no good way to get at the
- # value of MD_EXEC_PREFIX here. So we do a brute force search
- # through all the known MD_EXEC_PREFIX values. Ugh. This needs
- # to be fixed as part of the make/configure rewrite too.
-
- if test "x$exec_prefix" = xNONE; then
- if test "x$prefix" = xNONE; then
- test_prefix=/usr/local
- else
- test_prefix=$prefix
- fi
- else
- test_prefix=$exec_prefix
- fi
-
- # If the loop below does not find an assembler, then use whatever
- # one we can find in the users's path.
- # user's path.
- if test "x$program_prefix" != xNONE; then
- gcc_cv_as=${program_prefix}as$host_exeext
- else
- gcc_cv_as=`echo as | sed "${program_transform_name}"`$host_exeext
- fi
-
- test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
- $test_prefix/libexec/gcc/$target_noncanonical \
- /usr/lib/gcc/$target_noncanonical/$gcc_version \
- /usr/lib/gcc/$target_noncanonical \
- $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
- $test_prefix/$target_noncanonical/bin"
-
- if test x$host = x$target; then
- test_dirs="$test_dirs \
- /usr/libexec \
- /usr/ccs/gcc \
- /usr/ccs/bin \
- /udk/usr/ccs/bin \
- /bsd43/usr/lib/cmplrs/cc \
- /usr/cross64/usr/bin \
- /usr/lib/cmplrs/cc \
- /sysv/usr/lib/cmplrs/cc \
- /svr4/usr/lib/cmplrs/cc \
- /usr/bin"
- fi
-
- for dir in $test_dirs; do
- if test -x $dir/as$host_exeext; then
- gcc_cv_as=$dir/as$host_exeext
- break;
- fi
- done
-fi
+gcc_AC_CHECK_TOOL(gcc_cv_as, as, ORIGINAL_AS_FOR_TARGET)
+AC_MSG_CHECKING(what assembler to use)
case $in_tree_gas in
yes)
AC_MSG_RESULT("newly built gas")
# If build != host, and we aren't building gas in-tree, we identify a
# build->target linker and hope that it will have the same features
# as the host->target linker we'll be using.
-AC_MSG_CHECKING(what linker to use)
in_tree_ld=no
gcc_cv_ld=
gcc_cv_gld_major_version=
gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
if test -x "$DEFAULT_LINKER"; then
gcc_cv_ld="$DEFAULT_LINKER"
-elif test -x "$LD_FOR_TARGET"; then
- gcc_cv_ld="$LD_FOR_TARGET"
-elif test -x "$LD" && test x$host = x$target; then
- gcc_cv_ld="$LD"
-elif test -x collect-ld$host_exeext; then
- # Build using linker in the current directory.
- gcc_cv_ld=./collect-ld$host_exeext
elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
- && test -f ../ld/Makefile; then
- # Single tree build which includes ld.
+ && test -f ../ld/Makefile \
+ && test x$build = x$host; then
+ # Single tree build which includes ld. We want to prefer it
+ # over whatever linker top-level may have detected, since
+ # we'll use what we're building after installation anyway.
in_tree_ld=yes
in_tree_ld_is_elf=no
if (grep 'EMUL = .*elf' ../ld/Makefile \
- || grep 'EMUL = .*linux' ../ld/Makefile) > /dev/null; then
+ || grep 'EMUL = .*linux' ../ld/Makefile \
+ || grep 'EMUL = .*lynx' ../ld/Makefile) > /dev/null; then
in_tree_ld_is_elf=yes
fi
for f in $gcc_cv_ld_bfd_srcdir/configure $gcc_cv_ld_gld_srcdir/configure $gcc_cv_ld_gld_srcdir/configure.in $gcc_cv_ld_gld_srcdir/Makefile.in
do
changequote(,)dnl
- gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
+ gcc_cv_gld_version=`sed -n -e 's/^[ ]*\(VERSION=[0-9]*\.[0-9]*.*\)/\1/p' < $f`
changequote([,])dnl
if test x$gcc_cv_gld_version != x; then
break
gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
changequote([,])dnl
- rm -f collect-ld$host_exeext
- $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
- 2>/dev/null
-fi
-
-if test "x$gcc_cv_ld" = x; then
- # Search the same directories that the installed compiler will
- # search. Else we may find the wrong linker and lose. If we
- # do not find a suitable linker binary, then try the user's
- # path.
- #
- # Also note we have to check MD_EXEC_PREFIX before checking the
- # user's path. Unfortunately, there is no good way to get at the
- # value of MD_EXEC_PREFIX here. So we do a brute force search
- # through all the known MD_EXEC_PREFIX values. Ugh. This needs
- # to be fixed as part of the make/configure rewrite too.
-
- 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
-
- # If the loop below does not find an linker, then use whatever
- # one we can find in the users's path.
- # user's path.
- if test "x$program_prefix" != xNONE; then
- gcc_cv_ld=${program_prefix}ld$host_exeext
- else
- gcc_cv_ld=`echo ld | sed "${program_transform_name}"`$host_exeext
- fi
-
- test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
- $test_prefix/libexec/gcc/$target_noncanonical \
- /usr/lib/gcc/$target_noncanonical/$gcc_version \
- /usr/lib/gcc/$target_noncanonical \
- $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
- $test_prefix/$target_noncanonical/bin"
-
- if test x$host = x$target; then
- test_dirs="$test_dirs \
- /usr/libexec \
- /usr/ccs/gcc \
- /usr/ccs/bin \
- /udk/usr/ccs/bin \
- /bsd43/usr/lib/cmplrs/cc \
- /usr/cross64/usr/bin \
- /usr/lib/cmplrs/cc \
- /sysv/usr/lib/cmplrs/cc \
- /svr4/usr/lib/cmplrs/cc \
- /usr/bin"
- fi
-
- for dir in $test_dirs; do
- if test -x $dir/ld$host_exeext; then
- gcc_cv_ld=$dir/ld$host_exeext
- break;
- fi
- done
+ gcc_cv_ld=../ld/ld-new$build_exeext
+elif test -x collect-ld$build_exeext; then
+ # Build using linker in the current directory.
+ gcc_cv_ld=./collect-ld$build_exeext
+elif test -x "$LD_FOR_TARGET"; then
+ gcc_cv_ld="$LD_FOR_TARGET"
+elif test -x "$LD" && test x$host = x$target; then
+ gcc_cv_ld="$LD"
fi
+
+gcc_AC_CHECK_TOOL(gcc_cv_ld, ld, ORIGINAL_LD_FOR_TARGET)
+AC_MSG_CHECKING(what linker to use)
case $in_tree_ld in
yes)
AC_MSG_RESULT("newly built ld")
# Figure out what nm we will be using.
gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
-AC_MSG_CHECKING(what nm to use)
in_tree_nm=no
-if test -x nm$host_exeext; then
- gcc_cv_nm=./nm$host_exeext
-elif test -f $gcc_cv_binutils_srcdir/configure.in \
+gcc_cv_nm=
+if test -f $gcc_cv_binutils_srcdir/configure.in \
&& test -f ../binutils/Makefile; then
# Single tree build which includes binutils.
in_tree_nm=yes
- gcc_cv_nm=./nm$host_exeext
- rm -f nm$host_exeext
- $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
-elif test "x$program_prefix" != xNONE; then
- gcc_cv_nm=${program_prefix}nm$host_exeext
-else
- gcc_cv_nm=`echo nm | sed "${program_transform_name}"`$host_exeext
+ gcc_cv_nm=../binutils/nm-new$build_exeext
+elif test -x nm$build_exeext; then
+ gcc_cv_nm=./nm$build_exeext
fi
+
+gcc_AC_CHECK_TOOL(gcc_cv_nm, nm, ORIGINAL_NM_FOR_TARGET)
+AC_MSG_CHECKING(what nm to use)
case $in_tree_nm in
yes) AC_MSG_RESULT("newly built nm") ;;
no) AC_MSG_RESULT($gcc_cv_nm) ;;
# Figure out what objdump we will be using.
AC_MSG_CHECKING(what objdump to use)
in_tree_objdump=no
-if test -x objdump$host_exeext; then
- gcc_cv_objdump=./objdump$host_exeext
+if test -x objdump$build_exeext; then
+ gcc_cv_objdump=./objdump$build_exeext
elif test -f $gcc_cv_binutils_srcdir/configure.in \
&& test -f ../binutils/Makefile; then
# Single tree build which includes binutils.
in_tree_objdump=yes
- gcc_cv_objdump=./objdump$host_exeext
- rm -f objdump$host_exeext
- $symbolic_link ../binutils/objdump$host_exeext \
- objdump$host_exeext 2>/dev/null
+ gcc_cv_objdump=../binutils/objdump$build_exeext
elif test "x$program_prefix" != xNONE; then
- gcc_cv_objdump=${program_prefix}objdump$host_exeext
+ gcc_cv_objdump=${program_prefix}objdump$build_exeext
+elif test x$build != x$host && test x$build != x$target; then
+ gcc_cv_objdump=${target_noncanonical}-objdump$build_exeext
else
gcc_cv_objdump=`echo objdump | \
- sed "${program_transform_name}"`$host_exeext
+ sed "${program_transform_name}"`$build_exeext
fi
case $in_tree_objdump in
yes) AC_MSG_RESULT("newly built objdump") ;;
[ .weak foobar],,
[AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])])
+gcc_GAS_CHECK_FEATURE([.nsubspa comdat], gcc_cv_as_nsubspa_comdat,
+ [2,15,91],,
+ [ .SPACE $TEXT$
+ .NSUBSPA $CODE$,COMDAT],,
+[AC_DEFINE(HAVE_GAS_NSUBSPA_COMDAT, 1, [Define if your assembler supports .nsubspa comdat option.])])
+
# .hidden needs to be supported in both the assembler and the linker,
# because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
# This is irritatingly difficult to feature test for; we have to check the
-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
-e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
+ ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
+ ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
+ ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
if test 0"$ld_date" -lt 20020404; then
if test -n "$ld_date"; then
# If there was date string, but was earlier than 2002-04-04, fail
# If there was no date string nor ld version number, something is wrong
gcc_cv_ld_hidden=no
else
- ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
- ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
- ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
test -z "$ld_vers_patch" && ld_vers_patch=0
if test "$ld_vers_major" -lt 2; then
gcc_cv_ld_hidden=no
fi])
libgcc_visibility=no
AC_SUBST(libgcc_visibility)
+GCC_TARGET_TEMPLATE([HAVE_GAS_HIDDEN])
if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
libgcc_visibility=yes
AC_DEFINE(HAVE_GAS_HIDDEN, 1,
gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
[elf,2,12,0], [--fatal-warnings],
[.section .rodata.str, "aMS", @progbits, 1])
+if test $gcc_cv_as_shf_merge = no; then
+ gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
+ [elf,2,12,0], [--fatal-warnings],
+ [.section .rodata.str, "aMS", %progbits, 1])
+fi
AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
[`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
[Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
+gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group,
+ [elf,2,16,0], [--fatal-warnings],
+ [.section .text,"axG",@progbits,.foo,comdat])
+if test $gcc_cv_as_comdat_group = yes; then
+ gcc_cv_as_comdat_group_percent=no
+else
+ gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group_percent,
+ [elf,2,16,0], [--fatal-warnings],
+ [.section .text,"axG",%progbits,.foo,comdat])
+fi
+if test $in_tree_ld != yes && test x"$ld_vers" != x; then
+ comdat_group=yes
+ if test 0"$ld_date" -lt 20050308; then
+ if test -n "$ld_date"; then
+ # If there was date string, but was earlier than 2005-03-08, fail
+ comdat_group=no
+ elif test "$ld_vers_major" -lt 2; then
+ comdat_group=no
+ elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 16; then
+ comdat_group=no
+ fi
+ fi
+ if test $comdat_group = no; then
+ gcc_cv_as_comdat_group=no
+ gcc_cv_as_comdat_group_percent=no
+ fi
+fi
+AC_DEFINE_UNQUOTED(HAVE_COMDAT_GROUP,
+ [`if test $gcc_cv_as_comdat_group = yes || test $gcc_cv_as_comdat_group_percent = yes; then echo 1; else echo 0; fi`],
+[Define 0/1 if your assembler and linker support COMDAT groups.])
+
# Thread-local storage - the check is heavily parametrized.
conftest_s=
tls_first_major=
tls_first_minor=13
tls_as_opt=--fatal-warnings
;;
+ frv*-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+x: .long 25
+ .text
+ call #gettlsoff(x)'
+ tls_first_major=2
+ tls_first_minor=14
+ ;;
+ hppa*-*-linux*)
+ conftest_s='
+t1: .reg %r20
+t2: .reg %r21
+gp: .reg %r19
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ .align 4
+ addil LT%foo-$tls_gdidx$,gp
+ ldo RT%foo-$tls_gdidx$(%r1),%arg0
+ b __tls_get_addr
+ nop
+ addil LT%foo-$tls_ldidx$,gp
+ b __tls_get_addr
+ ldo RT%foo-$tls_ldidx$(%r1),%arg0
+ addil LR%foo-$tls_dtpoff$,%ret0
+ ldo RR%foo-$tls_dtpoff$(%r1),%t1
+ mfctl %cr27,%t1
+ addil LT%foo-$tls_ieoff$,gp
+ ldw RT%foo-$tls_ieoff$(%r1),%t2
+ add %t1,%t2,%t3
+ mfctl %cr27,%t1
+ addil LR%foo-$tls_leoff$,%t1
+ ldo RR%foo-$tls_leoff$(%r1),%t2'
+ tls_first_major=2
+ tls_first_minor=15
+ tls_as_opt=--fatal-warnings
+ ;;
i[34567]86-*-*)
conftest_s='
.section ".tdata","awT",@progbits
tls_first_minor=13
tls_as_opt=--fatal-warnings
;;
+ mips*-*-*)
+ conftest_s='
+ .section .tdata,"awT",@progbits
+x:
+ .word 2
+ .text
+ addiu $4, $28, %tlsgd(x)
+ addiu $4, $28, %tlsldm(x)
+ lui $4, %dtprel_hi(x)
+ addiu $4, $4, %dtprel_lo(x)
+ lw $4, %gottprel(x)($28)
+ lui $4, %tprel_hi(x)
+ addiu $4, $4, %tprel_lo(x)'
+ tls_first_major=2
+ tls_first_minor=16
+ tls_as_opt='-32 --fatal-warnings'
+ ;;
powerpc-*-*)
conftest_s='
.section ".tdata","awT",@progbits
# Target-specific assembler checks.
+AC_MSG_CHECKING(linker -Bstatic/-Bdynamic option)
+gcc_cv_ld_static_dynamic=no
+if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10; then
+ gcc_cv_ld_static_dynamic=yes
+ fi
+elif test x$gcc_cv_ld != x; then
+ # Check if linker supports -Bstatic/-Bdynamic option
+ if $gcc_cv_ld --help 2>/dev/null | grep -- -Bstatic > /dev/null \
+ && $gcc_cv_ld --help 2>/dev/null | grep -- -Bdynamic > /dev/null; then
+ gcc_cv_ld_static_dynamic=yes
+ fi
+fi
+if test x"$gcc_cv_ld_static_dynamic" = xyes; then
+ AC_DEFINE(HAVE_LD_STATIC_DYNAMIC, 1,
+[Define if your linker supports -Bstatic/-Bdynamic option.])
+fi
+AC_MSG_RESULT($gcc_cv_ld_static_dynamic)
+
+if test x"$demangler_in_ld" = xyes; then
+ AC_MSG_CHECKING(linker --demangle support)
+ gcc_cv_ld_demangle=no
+ if test $in_tree_ld = yes; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 14 -o "$gcc_cv_gld_major_version" -gt 2; then \
+ gcc_cv_ld_demangle=yes
+ fi
+ elif test x$gcc_cv_ld != x -a x"$gnu_ld" = xyes; then
+ # Check if the GNU linker supports --demangle option
+ if $gcc_cv_ld --help 2>/dev/null | grep no-demangle > /dev/null; then
+ gcc_cv_ld_demangle=yes
+ fi
+ fi
+ if test x"$gcc_cv_ld_demangle" = xyes; then
+ AC_DEFINE(HAVE_LD_DEMANGLE, 1,
+[Define if your linker supports --demangle option.])
+ fi
+ AC_MSG_RESULT($gcc_cv_ld_demangle)
+fi
+
case "$target" in
# All TARGET_ABI_OSF targets.
alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
lda $29, 0($29) !gpdisp!3],,
[AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
[Define if your assembler supports explicit relocations.])])
+ gcc_GAS_CHECK_FEATURE([jsrdirect relocation support],
+ gcc_cv_as_alpha_jsrdirect_relocs, [2,16,90],,
+[ .set nomacro
+ .text
+ ldq $27, a($29) !literal!1
+ jsr $26, ($27), a !lituse_jsrdirect!1],,
+ [AC_DEFINE(HAVE_AS_JSRDIRECT_RELOCS, 1,
+ [Define if your assembler supports the lituse_jsrdirect relocation.])])
;;
cris-*-*)
or %g1, %lo(ab) + 12, %g1
or %g1, %lo(ab + 12), %g1],
[if test x$gcc_cv_objdump != x \
- && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
+ && $gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
| grep ' 82106000 82106000' > /dev/null 2>&1; then
- gcc_cv_as_offsetable_lo10=yes
+ gcc_cv_as_sparc_offsetable_lo10=yes
fi],
[AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
[Define if your assembler supports offsetable %lo().])])
changequote(,)dnl
i[34567]86-*-* | x86_64-*-*)
changequote([,])dnl
+ case $target_os in
+ cygwin* | pe | mingw32*)
+ # Used for DWARF 2 in PE
+ gcc_GAS_CHECK_FEATURE([.secrel32 relocs],
+ gcc_cv_as_ix86_pe_secrel32,
+ [2,15,91],,
+[.text
+foo: nop
+.data
+ .secrel32 foo],
+ [if test x$gcc_cv_ld != x \
+ && $gcc_cv_ld -o conftest conftest.o > /dev/null 2>&1; then
+ gcc_cv_as_ix86_pe_secrel32=yes
+ fi
+ rm -f conftest],
+ [AC_DEFINE(HAVE_GAS_PE_SECREL32_RELOC, 1,
+ [Define if your assembler and linker support 32-bit section relative relocs via '.secrel32 label'.])])
+ ;;
+ esac
+
gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
gcc_cv_as_ix86_filds_fists,
[2,9,0],, [filds mem; fists mem],,
powerpc*-*-*)
case $target in
- *-*-aix*) conftest_s=' .csect .text[[PR]]
+ *-*-aix*) conftest_s=' .machine "pwr5"
+ .csect .text[[PR]]
mfcr 3,128';;
- *-*-darwin*) conftest_s=' .text
+ *-*-darwin*)
+ gcc_GAS_CHECK_FEATURE([.machine directive support],
+ gcc_cv_as_machine_directive,,,
+ [ .machine ppc7400])
+ if test x$gcc_cv_as_machine_directive != xyes; then
+ echo "*** This target requires an assembler supporting \".machine\"" >&2
+ echo you can get it from: ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.dmg >&2
+ test x$build = x$target && exit 1
+ fi
+ conftest_s=' .text
mfcr r3,128';;
- *) conftest_s=' .text
+ *) conftest_s=' .machine power4
+ .text
mfcr 3,128';;
esac
[$conftest_s],,
[AC_DEFINE(HAVE_AS_MFCRF, 1,
[Define if your assembler supports mfcr field.])])
+
+ case $target in
+ *-*-aix*) conftest_s=' .machine "pwr5"
+ .csect .text[[PR]]
+ popcntb 3,3';;
+ *) conftest_s=' .machine power5
+ .text
+ popcntb 3,3';;
+ esac
+
+ gcc_GAS_CHECK_FEATURE([popcntb support],
+ gcc_cv_as_powerpc_popcntb, [2,17,0],,
+ [$conftest_s],,
+ [AC_DEFINE(HAVE_AS_POPCNTB, 1,
+ [Define if your assembler supports popcntb field.])])
+
+ case $target in
+ *-*-aix*) conftest_s=' .csect .text[[PR]]
+LCF..0:
+ addis 11,30,_GLOBAL_OFFSET_TABLE_-LCF..0@ha';;
+ *-*-darwin*)
+ conftest_s=' .text
+LCF0:
+ addis r11,r30,_GLOBAL_OFFSET_TABLE_-LCF0@ha';;
+ *) conftest_s=' .text
+.LCF0:
+ addis 11,30,_GLOBAL_OFFSET_TABLE_-.LCF0@ha';;
+ esac
+
+ gcc_GAS_CHECK_FEATURE([rel16 relocs],
+ gcc_cv_as_powerpc_rel16, [2,17,0], -a32,
+ [$conftest_s],,
+ [AC_DEFINE(HAVE_AS_REL16, 1,
+ [Define if your assembler supports R_PPC_REL16 relocs.])])
;;
mips*-*-*)
else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
fi])
+ if test x$gas_flag = xyes \
+ || test x"$host" != x"$build" \
+ || test ! -x "$gcc_cv_as" \
+ || "$gcc_cv_as" -v < /dev/null 2>&1 | grep GNU > /dev/null; then
+ :
+ else
+ echo "*** This configuration requires the GNU assembler" >&2
+ exit 1
+ fi
;;
esac
# ??? Not all targets support dwarf2 debug_line, even within a version
gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support],
gcc_cv_as_dwarf2_debug_line,
[elf,2,11,0],, [$conftest_s],
- [# ??? This fails with non-gnu grep. Maybe use objdump?
- if grep debug_line conftest.o > /dev/null 2>&1; then
+ [if test x$gcc_cv_objdump != x \
+ && $gcc_cv_objdump -h conftest.o 2> /dev/null \
+ | grep debug_line > /dev/null 2>&1; then
gcc_cv_as_dwarf2_debug_line=yes
fi])
gcc_cv_ld_eh_frame_hdr=yes
fi
fi
+GCC_TARGET_TEMPLATE([HAVE_LD_EH_FRAME_HDR])
if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
[Define if your linker supports --eh-frame-hdr option.])
# UNSORTED
# --------
-AC_MSG_CHECKING(linker --as-needed support)
-gcc_cv_ld_as_needed=no
+AC_CACHE_CHECK(linker --as-needed support,
+gcc_cv_ld_as_needed,
+[gcc_cv_ld_as_needed=no
if test $in_tree_ld = yes ; then
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \
&& test $in_tree_ld_is_elf = yes; then
gcc_cv_ld_as_needed=yes
fi
fi
+])
if test x"$gcc_cv_ld_as_needed" = xyes; then
AC_DEFINE(HAVE_LD_AS_NEEDED, 1,
[Define if your linker supports --as-needed and --no-as-needed options.])
fi
-AC_MSG_RESULT($gcc_cv_ld_as_needed)
+
+case "$target:$tm_file" in
+ powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*)
+ AC_CACHE_CHECK(linker support for omitting dot symbols,
+ gcc_cv_ld_no_dot_syms,
+ [gcc_cv_ld_no_dot_syms=no
+ if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2; then
+ gcc_cv_ld_no_dot_syms=yes
+ fi
+ elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then
+ cat > conftest1.s <<EOF
+ .text
+ bl .foo
+EOF
+ cat > conftest2.s <<EOF
+ .section ".opd","aw"
+ .align 3
+ .globl foo
+ .type foo,@function
+foo:
+ .quad .LEfoo,.TOC.@tocbase,0
+ .text
+.LEfoo:
+ blr
+ .size foo,.-.LEfoo
+EOF
+ if $gcc_cv_as -a64 -o conftest1.o conftest1.s > /dev/null 2>&1 \
+ && $gcc_cv_as -a64 -o conftest2.o conftest2.s > /dev/null 2>&1 \
+ && $gcc_cv_ld -melf64ppc -o conftest conftest1.o conftest2.o > /dev/null 2>&1; then
+ gcc_cv_ld_no_dot_syms=yes
+ fi
+ rm -f conftest conftest1.o conftest2.o conftest1.s conftest2.s
+ fi
+ ])
+ if test x"$gcc_cv_ld_no_dot_syms" = xyes; then
+ AC_DEFINE(HAVE_LD_NO_DOT_SYMS, 1,
+ [Define if your PowerPC64 linker only needs function descriptor syms.])
+ fi
+ ;;
+esac
+
+AC_CACHE_CHECK(linker --sysroot support,
+ gcc_cv_ld_sysroot,
+ [gcc_cv_ld_sysroot=no
+ if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 ; then
+ gcc_cv_ld_sysroot=yes
+ fi
+ elif test x$gcc_cv_ld != x; then
+ if $gcc_cv_ld --help 2>/dev/null | grep sysroot > /dev/null; then
+ gcc_cv_ld_sysroot=yes
+ fi
+ fi])
+if test x"$gcc_cv_ld_sysroot" = xyes; then
+ AC_DEFINE(HAVE_LD_SYSROOT, 1,
+ [Define if your linker supports --sysroot.])
+fi
if test x$with_sysroot = x && test x$host = x$target \
&& test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
[Define to PREFIX/include if cpp should also search that directory.])
fi
+# Test for stack protector support in target C library.
+case "$target" in
+ *-*-linux*)
+ AC_CACHE_CHECK(__stack_chk_fail in target GNU C library,
+ gcc_cv_libc_provides_ssp,
+ [gcc_cv_libc_provides_ssp=no
+ if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
+ if test "x$with_sysroot" = x; then
+ glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
+ elif test "x$with_sysroot" = xyes; then
+ glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
+ else
+ glibc_header_dir="${with_sysroot}/usr/include"
+ fi
+ else
+ glibc_header_dir=/usr/include
+ fi
+ # glibc 2.4 and later provides __stack_chk_fail and
+ # either __stack_chk_guard, or TLS access to stack guard canary.
+ if test -f $glibc_header_dir/features.h \
+ && $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GNU_LIBRARY__[ ]+([1-9][0-9]|[6-9])' \
+ $glibc_header_dir/features.h > /dev/null; then
+ if $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GLIBC__[ ]+([1-9][0-9]|[3-9])' \
+ $glibc_header_dir/features.h > /dev/null; then
+ gcc_cv_libc_provides_ssp=yes
+ elif $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GLIBC__[ ]+2' \
+ $glibc_header_dir/features.h > /dev/null \
+ && $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GLIBC_MINOR__[ ]+([1-9][0-9]|[4-9])' \
+ $glibc_header_dir/features.h > /dev/null; then
+ gcc_cv_libc_provides_ssp=yes
+ fi
+ fi]) ;;
+ *) gcc_cv_libc_provides_ssp=no ;;
+esac
+if test x$gcc_cv_libc_provides_ssp = xyes; then
+ AC_DEFINE(TARGET_LIBC_PROVIDES_SSP, 1,
+ [Define if your target C library provides stack protector support])
+fi
+
# Find out what GC implementation we want, or may, use.
AC_ARG_WITH(gc,
[ --with-gc={page,zone} choose the garbage collection mechanism to use
with the compiler],
[case "$withval" in
- page | zone)
+ page)
+ GGC=ggc-$withval
+ ;;
+ zone)
GGC=ggc-$withval
+ AC_DEFINE(GGC_ZONE, 1, [Define if the zone collector is in use])
;;
*)
AC_MSG_ERROR([$withval is an invalid option to --with-gc])
all_boot_languages=
all_compilers=
all_stagestuff=
-all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
+all_outputs='Makefile gccbug mklibgcc libada-mk'
# List of language makefile fragments.
all_lang_makefrags=
# List of language subdirectory makefiles. Deprecated.
AC_SUBST(gcc_config_arguments)
AC_SUBST(gcc_gxx_include_dir)
AC_SUBST(libstdcxx_incdir)
-AC_SUBST(gcc_version)
-AC_SUBST(gcc_version_full)
-AC_SUBST(gcc_version_trigger)
AC_SUBST(host_exeext)
AC_SUBST(host_xm_file_list)
AC_SUBST(host_xm_include_list)
AC_SUBST(out_object_file)
AC_SUBST(stage_prefix_set_by_configure)
AC_SUBST(quoted_stage_prefix_set_by_configure)
-AC_SUBST(symbolic_link)
AC_SUBST(thread_file)
AC_SUBST(tm_file_list)
AC_SUBST(tm_include_list)
AC_SUBST(xm_file_list)
AC_SUBST(xm_include_list)
AC_SUBST(xm_defines)
-AC_SUBST(target_noncanonical)
AC_SUBST(c_target_objs)
AC_SUBST(cxx_target_objs)
AC_SUBST(target_cpu_default)
AC_SUBST_FILE(language_hooks)
-# If it doesn't already exist, create document directory
-echo "checking for the document directory." 1>&2
-if test -d doc ; then
- true
-else
- mkdir doc
-fi
-
# Echo link setup.
if test x${build} = x${host} ; then
if test x${host} = x${target} ; then
fi
fi
+AC_ARG_VAR(GMPLIBS,[How to link GMP])
+AC_ARG_VAR(GMPINC,[How to find GMP include files])
+
# Configure the subdirectories
# AC_CONFIG_SUBDIRS($subdirs)
echo > cstamp-h ;;
esac
# Make sure all the subdirs exist.
-for d in $subdirs
+for d in $subdirs doc build
do
test -d $d || mkdir $d
done
# FLAGS_TO_PASS has been modified to solve the problem there.
# This is virtually a duplicate of what happens in configure.lang; we do
# an extra check to make sure this only happens if ln -s can be used.
-if test "$symbolic_link" = "ln -s"; then
- for d in ${subdirs} fixinc ; do
+case "$LN_S" in
+ *-s*)
+ for d in ${subdirs} ; do
STARTDIR=`${PWDCMD-pwd}`
cd $d
for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
do
rm -f $t
- $symbolic_link ../$t $t 2>/dev/null
+ $LN_S ../$t $t 2>/dev/null
done
cd $STARTDIR
- done
-else true ; fi
+ done
+ ;;
+esac
],
-[subdirs='$subdirs'
-symbolic_link='$symbolic_link'
-])
+[subdirs='$subdirs'])
AC_OUTPUT
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