# configure.in for GCC
# Process this file with autoconf to generate a configuration script.
-# Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
+# Free Software Foundation, Inc.
#This file is part of GCC.
if test x${gcc_gxx_include_dir} = x; then
if test x${enable_version_specific_runtime_libs} = xyes; then
- gcc_gxx_include_dir='${libsubdir}/include/g++'
+ gcc_gxx_include_dir='${libsubdir}/include/c++'
else
topsrcdir=${srcdir}/.. . ${srcdir}/../config.if
changequote(<<, >>)dnl
fi
fi
+# Determine the host, build, and target systems
+AC_CANONICAL_SYSTEM
+
+# Set program_transform_name
+AC_ARG_PROGRAM
+
+# Find the native compiler
+AC_PROG_CC
+AC_PROG_CC_C_O
+# autoconf is lame and doesn't give us any substitution variable for this.
+if eval "test \"`echo '$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]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
- Categories are: misc,tree,rtl,gc,gcac; default
- is misc,tree,gc],
+ Categories are: misc,tree,rtl,rtlflag,gc,gcac;
+ default is misc,tree,gc,rtlflag],
[ac_checking=
ac_tree_checking=
ac_rtl_checking=
+ac_rtlflag_checking=
ac_gc_checking=
ac_gc_always_collect=
case "${enableval}" in
-yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;;
+yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
+ ac_rtlflag_checking=1 ;;
no) ;;
*) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
set fnord $enableval; shift
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 ;;
+ valgrind) ac_checking_valgrind=1 ;;
*) AC_MSG_ERROR(unknown check category $check) ;;
esac
done
esac
],
# Enable some checks by default for development versions of GCC
-[ac_checking=1; ac_tree_checking=1; ac_gc_checking=1;])
+[ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
+nocommon_flag=""
if test x$ac_checking != x ; then
AC_DEFINE(ENABLE_CHECKING, 1,
[Define if you want more run-time sanity checks. This one gets a grab
bag of miscellaneous but relatively cheap checks.])
+ nocommon_flag=-fno-common
fi
+AC_SUBST(nocommon_flag)
if test x$ac_tree_checking != x ; then
AC_DEFINE(ENABLE_TREE_CHECKING, 1,
[Define if you want all operations on trees (the basic data
of the optimizer and back end) to be checked for dynamic type safety
at runtime. This is quite expensive.])
fi
+if test x$ac_rtlflag_checking != x ; then
+ AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
+[Define if you want RTL flag accesses to be checked against the RTL
+ codes that are supported for each access macro. This is relatively
+ cheap.])
+fi
if test x$ac_gc_checking != x ; then
AC_DEFINE(ENABLE_GC_CHECKING, 1,
[Define if you want the garbage collector to do object poisoning and
paranoid mode, validating the entire heap and collecting garbage at
every opportunity. This is extremely expensive.])
fi
-
-
-AC_ARG_ENABLE(cpp,
-[ --disable-cpp don't provide a user-visible C preprocessor],
-[], [enable_cpp=yes])
+valgrind_path_defines=
+valgrind_command=
+if test x$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="$valgrind_path -q"
+ AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
+[Define if you want to run subprograms and generated programs
+ through valgrind (a memory checker). This is extremely expensive.])
+fi
+AC_SUBST(valgrind_path_defines)
+AC_SUBST(valgrind_command)
+
+# Enable code coverage collection
+AC_ARG_ENABLE(coverage,
+[ --enable-coverage[=LEVEL]
+ enable compiler\'s code coverage collection.
+ Use to measure compiler performance and locate
+ unused parts of the compiler. With LEVEL, specify
+ optimization. Values are opt, noopt,
+ default is noopt],
+[case "${enableval}" in
+yes|noopt)
+ coverage_flags="-fprofile-arcs -ftest-coverage -O0 -DSELF_COVERAGE=1"
+ ;;
+opt)
+ coverage_flags="-fprofile-arcs -ftest-coverage -O2 -DSELF_COVERAGE=2"
+ ;;
+*)
+ AC_MSG_ERROR(unknown coverage setting $enableval)
+ ;;
+esac],
+[coverage_flags=""])
+AC_SUBST(coverage_flags)
AC_ARG_WITH(cpp_install_dir,
[ --with-cpp-install-dir=DIR
cpp_install_dir=$withval
fi])
+# Enable __cxa_atexit for C++.
+AC_ARG_ENABLE(__cxa_atexit,
+[ --enable-__cxa_atexit enable __cxa_atexit for C++],
+[], [])
+if test x$enable___cxa_atexit = xyes; then
+ AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
+ [Define if you want to use __cxa_atexit, rather than atexit, to
+ register C++ destructors for local statics and global objects.
+ This is essential for fully standards-compliant handling of
+ destructors, but requires __cxa_atexit in libc.])
+fi
+
# Enable Multibyte Characters for C/C++
AC_ARG_ENABLE(c-mbchar,
[ --enable-c-mbchar enable multibyte characters for C and C++],
], [enable_shared=yes])
AC_SUBST(enable_shared)
-# Determine the host, build, and target systems
-AC_CANONICAL_SYSTEM
-
-# Set program_transform_name
-AC_ARG_PROGRAM
-
-# Find the native compiler
-AC_PROG_CC
-AC_PROG_CC_C_O
-# autoconf is lame and doesn't give us any substitution variable for this.
-if eval "test \"`echo '$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)
-
-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"])
-strict1_warn=
-if test $ac_cv_prog_cc_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)'
+], [
+ 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=
stage1_cflags="-J"
fi
;;
+powerpc-*-darwin*)
+ # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
+ # sources; use -no-cpp-precomp to get to GNU cpp.
+ # Apple's GCC has bugs in designated initializer handling, so disable
+ # that too.
+ stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
+ ;;
esac
AC_SUBST(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 GNAT has been installed
-gcc_AC_PROG_GNAT
-
# See if we have the mktemp command.
AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
# that we can use it.
gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
[GNU texinfo.* \([0-9][0-9.]*\)],
- [4.*])
+ [4.[2-9]*])
fi
if test $gcc_cv_prog_makeinfo_modern = no; then
# 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
+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)
else
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} ${srcdir}/../missing bison)
fi
# These libraries may be used by collect2.
AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
- fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat)
+ fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
+ scandir alphasort)
AC_CHECK_TYPE(ssize_t, int)
CFLAGS="$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 environ 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=
build_install_headers_dir=install-headers-tar
then tm_file="$tm_file tm-dwarf2.h"
fi
-if test x$float_format = x
-then float_format=i64
-fi
-
-if test $float_format = none
-then float_h_file=Makefile.in
-else float_h_file=float-$float_format.h
-fi
-
-# Handle cpp installation.
-if test x$enable_cpp != xno
-then
- tmake_file="$tmake_file t-install-cpp"
-fi
-
# Say what files are being used for the output code and MD file.
echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
echo "Using \`$srcdir/config/$md_file' as machine description file."
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
fi
fi
+# Look for a file containing extra machine modes.
+if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
+ extra_modes_file='$(srcdir)'/config/${extra_modes}
+ AC_SUBST(extra_modes_file)
+ AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
+ [Define to the name of a file containing a list of extra machine modes
+ for this architecture.])
+ AC_DEFINE(EXTRA_CC_MODES, 1,
+ [Define if the target architecture needs extra machine modes to represent
+ the results of comparisons.])
+fi
+
# auto-host.h is the file containing items generated by autoconf and is
# the first file included by config.h.
-# If host=build, it is correct to have hconfig include auto-host.h
+# If host=build, it is correct to have bconfig include auto-host.h
# as well. If host!=build, we are in error and need to do more
# work to find out the build config parameters.
if test x$host = x$build
saved_CFLAGS="${CFLAGS}"
CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
${realsrcdir}/configure \
- --target=$target --host=$build --build=$build
+ --target=$target_alias --host=$build_alias --build=$build_alias
CFLAGS="${saved_CFLAGS}"
# We just finished tests for the build machine, so rename
cd ..
rm -rf $tempdir
build_auto=auto-build.h
- FORBUILD=../$build
+ 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
# Internationalization
PACKAGE=gcc
VERSION="$gcc_version"
-AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE",
- [Define to the name of the distribution.])
-AC_DEFINE_UNQUOTED(VERSION, "$VERSION",
- [Define to the version of the distribution.])
AC_SUBST(PACKAGE)
AC_SUBST(VERSION)
esac
# Get an absolute path to the GCC top-level source directory
-holddir=`pwd`
+holddir=`${PWDCMD-pwd}`
cd $srcdir
-topdir=`pwd`
+topdir=`${PWDCMD-pwd}`
cd $holddir
# Conditionalize the makefile for this host machine.
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 $srcdir/gcc.c symtest.tem 2>/dev/null
cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
+ quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
fi
rm -f symtest.tem
ansidecl.h )
tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
defaults.h )
- tm_file_list="${tm_file_list} $f" ;;
+ tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
*) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
esac
done
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=
case $f in
ansidecl.h )
host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
- auto-host.h | defaults.h )
+ auto-host.h )
host_xm_file_list="${host_xm_file_list} $f" ;;
+ defaults.h )
+ host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
*) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
esac
done
case $f in
ansidecl.h )
build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
- auto-build.h | auto-host.h | defaults.h )
+ auto-build.h | auto-host.h )
build_xm_file_list="${build_xm_file_list} $f" ;;
+ defaults.h )
+ host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
*) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
esac
done
CROSS="-DCROSS_COMPILE"
ALL=all.cross
SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
+ case "$host","$target" in
+ i?86-*-*,x86_64-*-* \
+ | powerpc*-*-*,powerpc64*-*-*)
+ CROSS="$CROSS -DNATIVE_CROSS" ;;
+ esac
fi
# If this is a cross-compiler that does not
# This prevents libgcc2 from containing any code which requires libc
# support.
inhibit_libc=
-if [test x$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:
-HOST_PREFIX= AC_SUBST(HOST_PREFIX)
-HOST_PREFIX_1=ignore- AC_SUBST(HOST_PREFIX_1)
-HOST_CC='$(CC)' AC_SUBST(HOST_CC)
-HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS)
+BUILD_PREFIX= AC_SUBST(BUILD_PREFIX)
+BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1)
+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)
# And these apply if build != host.
if test x$build != x$host
then
- HOST_PREFIX=build-
- HOST_PREFIX_1=build-
- HOST_CC='$(CC_FOR_BUILD)'
- HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
+ BUILD_PREFIX=build-
+ BUILD_PREFIX_1=build-
+ BUILD_CC='$(CC_FOR_BUILD)'
+ BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
STMP_FIXINC=
STMP_FIXPROTO=
if test "x$extra_headers" = x
then true
else
- # Prepend ${srcdir}/ginclude/ to every entry in extra_headers.
+ # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
for file in $extra_headers;
do
- extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}"
+ extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
done
fi
changequote(,)dnl
gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
+ gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"`
changequote([,])dnl
fi
-if test "x$gcc_cv_as" = x -a x$host = x$target; then
- # Native build.
+if test "x$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
# If the loop below does not find an assembler, then use whatever
# one we can find in the users's path.
# user's path.
- gcc_cv_as=as$host_exeext
-
- test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
- $test_prefix/lib/gcc-lib/$target \
- /usr/lib/gcc/$target/$gcc_version \
- /usr/lib/gcc/$target \
- $test_prefix/$target/bin/$target/$gcc_version \
- $test_prefix/$target/bin \
+ 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="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
+ $test_prefix/lib/gcc-lib/$target_alias \
+ /usr/lib/gcc/$target_alias/$gcc_version \
+ /usr/lib/gcc/$target_alias \
+ $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
+ $test_prefix/$target_alias/bin"
+
+ if test x$host = x$target; then
+ test_dirs="$test_dirs \
/usr/libexec \
/usr/ccs/gcc \
/usr/ccs/bin \
/sysv/usr/lib/cmplrs/cc \
/svr4/usr/lib/cmplrs/cc \
/usr/bin"
+ fi
for dir in $test_dirs; do
- if test -f $dir/as$host_exeext; then
+ if test -x $dir/as$host_exeext; then
gcc_cv_as=$dir/as$host_exeext
break;
fi
changequote([,])dnl
fi
-if test "x$gcc_cv_ld" = x -a x$host = x$target; then
- # Native build.
+if test "x$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
# If the loop below does not find an linker, then use whatever
# one we can find in the users's path.
# user's path.
- gcc_cv_ld=ld$host_exeext
-
- test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \
- $test_prefix/lib/gcc-lib/$target \
- /usr/lib/gcc/$target/$gcc_version \
- /usr/lib/gcc/$target \
- $test_prefix/$target/bin/$target/$gcc_version \
- $test_prefix/$target/bin \
+ 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="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
+ $test_prefix/lib/gcc-lib/$target_alias \
+ /usr/lib/gcc/$target_alias/$gcc_version \
+ /usr/lib/gcc/$target_alias \
+ $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
+ $test_prefix/$target_alias/bin"
+
+ if test x$host = x$target; then
+ test_dirs="$test_dirs \
/usr/libexec \
/usr/ccs/gcc \
/usr/ccs/bin \
/sysv/usr/lib/cmplrs/cc \
/svr4/usr/lib/cmplrs/cc \
/usr/bin"
+ fi
for dir in $test_dirs; do
- if test -f $dir/ld$host_exeext; then
+ if test -x $dir/ld$host_exeext; then
gcc_cv_ld=$dir/ld$host_exeext
break;
fi
AC_MSG_CHECKING(what nm to use)
if test -x nm$host_exeext; then
gcc_cv_nm=./nm$host_exeext
-elif test x$host = x$target; then
- # Native build.
- gcc_cv_nm=nm$host_exeext
+elif test "x$program_prefix" != xNONE; then
+ gcc_cv_nm=${program_prefix}nm$host_exeext
+else
+ gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext
fi
AC_MSG_RESULT($gcc_cv_nm)
AC_MSG_CHECKING(what objdump to use)
if test -x objdump$host_exeext; then
gcc_cv_objdump=./objdump$host_exeext
-elif test x$host = x$target; then
- # Native build.
- gcc_cv_objdump=objdump$host_exeext
+elif test "x$program_prefix" != xNONE; then
+ gcc_cv_objdump=${program_prefix}objdump$host_exeext
+else
+ gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
fi
AC_MSG_RESULT($gcc_cv_objdump)
AC_MSG_CHECKING(assembler hidden support)
gcc_cv_as_hidden=no
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
- if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 10 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
+ if test "$gcc_cv_gas_major_version" -eq 2 \
+ -a "$gcc_cv_gas_minor_version" -eq 12 \
+ -a "$gcc_cv_gas_patch_version" -ge 1 \
+ -o "$gcc_cv_gas_major_version" -eq 2 \
+ -a "$gcc_cv_gas_minor_version" -gt 12 \
+ -o "$gcc_cv_gas_major_version" -gt 2 \
+ && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
gcc_cv_as_hidden="yes"
fi
elif test x$gcc_cv_as != x; then
gcc_cv_as_hidden="yes"
fi
rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
+
+ # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
+ # This is irritatingly difficult to feature test for. Look for
+ # the date string after the version number.
+ ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
+ if echo "$ld_ver" | grep GNU > /dev/null; then
+changequote(,)dnl
+ ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'`
+ ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
+ if test 0"$ld_date" -lt 20020404; then
+ if test -n "$ld_date"; then
+ # If there was date string, but was earlier than 2002-04-04, fail
+ gcc_cv_as_hidden="no"
+ elif test -z "$ld_vers"; then
+ # If there was no date string nor ld version number, something is wrong
+ gcc_cv_as_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_as_hidden="no"
+ elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
+ gcc_cv_as_hidden="no"
+ elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
+ -a "$ld_vers_patch" -eq 0; then
+ gcc_cv_as_hidden="no"
+ fi
+ fi
+ fi
+changequote([,])dnl
+ fi
fi
if test x"$gcc_cv_as_hidden" = xyes; then
AC_DEFINE(HAVE_GAS_HIDDEN, 1,
[Define if your assembler supports .hidden.])
fi
AC_MSG_RESULT($gcc_cv_as_hidden)
+libgcc_visibility=$gcc_cv_as_hidden
+case "$target" in
+ mips-sgi-irix6*)
+ if test x"$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. 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
+ ;;
+esac
+AC_SUBST(libgcc_visibility)
AC_MSG_CHECKING(assembler leb128 support)
gcc_cv_as_leb128=no
fi
AC_MSG_RESULT($gcc_cv_as_shf_merge)
+AC_MSG_CHECKING(assembler thread-local storage support)
+gcc_cv_as_tls=no
+conftest_s=
+tls_first_major=
+tls_first_minor=
+case "$target" in
+changequote(,)dnl
+ alpha*-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ ldq $27,__tls_get_addr($29) !literal!1
+ lda $16,foo($29) !tlsgd!1
+ jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
+ ldq $27,__tls_get_addr($29) !literal!2
+ lda $16,foo($29) !tlsldm!2
+ jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
+ ldq $1,foo($29) !gotdtprel
+ ldah $2,foo($29) !dtprelhi
+ lda $3,foo($2) !dtprello
+ lda $4,foo($29) !dtprel
+ ldq $1,foo($29) !gottprel
+ ldah $2,foo($29) !tprelhi
+ lda $3,foo($2) !tprello
+ lda $4,foo($29) !tprel'
+ tls_first_major=2
+ tls_first_minor=13
+ ;;
+ i[34567]86-*-*)
+changequote([,])dnl
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ movl %gs:0, %eax
+ leal foo@TLSGD(,%ebx,1), %eax
+ leal foo@TLSLDM(%ebx), %eax
+ leal foo@DTPOFF(%eax), %edx
+ movl foo@GOTTPOFF(%ebx), %eax
+ subl foo@GOTTPOFF(%ebx), %eax
+ addl foo@GOTNTPOFF(%ebx), %eax
+ movl foo@INDNTPOFF, %eax
+ movl $foo@TPOFF, %eax
+ subl $foo@TPOFF, %eax
+ leal foo@NTPOFF(%ecx), %eax'
+ tls_first_major=2
+ tls_first_minor=14
+ ;;
+ x86_64-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ movq %fs:0, %rax
+ leaq foo@TLSGD(%rip), %rdi
+ leaq foo@TLSLD(%rip), %rdi
+ leaq foo@DTPOFF(%rax), %rdx
+ movq foo@GOTTPOFF(%rip), %rax
+ movq $foo@TPOFF, %rax'
+ tls_first_major=2
+ tls_first_minor=14
+ ;;
+ ia64-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: data8 25
+ .text
+ addl r16 = @ltoff(@dtpmod(foo#)), gp
+ addl r17 = @ltoff(@dtprel(foo#)), gp
+ addl r18 = @ltoff(@tprel(foo#)), gp
+ addl r19 = @dtprel(foo#), gp
+ adds r21 = @dtprel(foo#), r13
+ movl r23 = @dtprel(foo#)
+ addl r20 = @tprel(foo#), gp
+ adds r22 = @tprel(foo#), r13
+ movl r24 = @tprel(foo#)'
+ tls_first_major=2
+ tls_first_minor=13
+ ;;
+ s390-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ .long foo@TLSGD
+ .long foo@TLSLDM
+ .long foo@DTPOFF
+ .long foo@NTPOFF
+ .long foo@GOTNTPOFF
+ .long foo@INDNTPOFF
+ l %r1,foo@GOTNTPOFF(%r12)
+ l %r1,0(%r1):tls_load:foo
+ bas %r14,0(%r1,%r13):tls_gdcall:foo
+ bas %r14,0(%r1,%r13):tls_ldcall:foo'
+ tls_first_major=2
+ tls_first_minor=14
+ ;;
+ s390x-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ .quad foo@TLSGD
+ .quad foo@TLSLDM
+ .quad foo@DTPOFF
+ .quad foo@NTPOFF
+ .quad foo@GOTNTPOFF
+ lg %r1,foo@GOTNTPOFF(%r12)
+ larl %r1,foo@INDNTPOFF
+ brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
+ brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
+ tls_first_major=2
+ tls_first_minor=14
+ ;;
+esac
+if test -z "$tls_first_major"; then
+ :
+elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
+then
+ if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \
+ -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \
+ -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then
+ gcc_cv_as_tls=yes
+ fi
+elif test x$gcc_cv_as != x; then
+ echo "$conftest_s" > conftest.s
+ if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
+ then
+ gcc_cv_as_tls=yes
+ fi
+ rm -f conftest.s conftest.o
+fi
+if test "$gcc_cv_as_tls" = yes; then
+ AC_DEFINE(HAVE_AS_TLS, 1,
+ [Define if your assembler supports thread-local storage.])
+fi
+AC_MSG_RESULT($gcc_cv_as_tls)
+
case "$target" in
# All TARGET_ABI_OSF targets.
alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
[Define if your assembler supports -relax option.])
fi
- case "$tm_file" in
- *64*)
- AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],
- gcc_cv_as_flags64, [
- if test -n "$gcc_cv_as"; then
- echo ".xword foo" > conftest.s
- gcc_cv_as_flags64=no
- for flag in "-xarch=v9" "-64 -Av9"; do
- if $gcc_cv_as $flag -o conftest.o conftest.s \
- > /dev/null 2>&1; then
- gcc_cv_as_flags64=$flag
- break
- fi
- done
- rm -f conftest.s conftest.o
- else
- if test "$gas" = yes; then
- gcc_cv_as_flags64="-64 -Av9"
+ AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
+ gcc_cv_as_sparc_ua_pcrel, [
+ gcc_cv_as_sparc_ua_pcrel=unknown
+ if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
+ gcc_cv_as_sparc_ua_pcrel=no
+ echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
+ if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
+ && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
+ gcc_cv_as_sparc_ua_pcrel=yes
+ fi
+ rm -f conftest.s conftest.o conftest
+ fi
+ ])
+ if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
+ AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
+ [Define if your assembler and linker support unaligned PC relative relocs.])
+ fi
+
+ AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
+ gcc_cv_as_sparc_ua_pcrel_hidden, [
+ if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
+ gcc_cv_as_sparc_ua_pcrel_hidden=unknown
+ if test x$gcc_cv_objdump != x; then
+ gcc_cv_as_sparc_ua_pcrel_hidden=no
+ echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
+ echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
+ echo "foo: .skip 4" >> conftest.s
+ if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
+ && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
+ && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
+ | grep ' 31000000 07323334' > /dev/null 2>&1; then
+ if $gcc_cv_objdump -R conftest 2> /dev/null \
+ | grep 'DISP32' > /dev/null 2>&1; then
+ :
else
- gcc_cv_as_flags64="-xarch=v9"
+ gcc_cv_as_sparc_ua_pcrel_hidden=yes
fi
fi
- ])
- if test "x$gcc_cv_as_flags64" = xno; then
-changequote(, )
- tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
- dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'`
-changequote([, ])
+ fi
+ rm -f conftest.s conftest.o conftest
else
- AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64",
- [Define if the assembler supports 64bit sparc.])
+ gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
fi
- ;;
- *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no}
- ;;
- esac
-
- if test "x$gcc_cv_as_flags64" != xno; then
- AC_CACHE_CHECK([for assembler offsetable %lo() support],
- gcc_cv_as_offsetable_lo10, [
- gcc_cv_as_offsetable_lo10=unknown
- if test "x$gcc_cv_as" != x; then
- # Check if assembler has offsetable %lo()
- echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
- echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
- if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \
- > /dev/null 2>&1 &&
- $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
- > /dev/null 2>&1; then
- if cmp conftest.o conftest1.o > /dev/null 2>&1; then
- gcc_cv_as_offsetable_lo10=no
- else
- gcc_cv_as_offsetable_lo10=yes
- fi
- else
+ ])
+ if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
+ AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
+ [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
+ fi
+
+ AC_CACHE_CHECK([for assembler offsetable %lo() support],
+ gcc_cv_as_offsetable_lo10, [
+ gcc_cv_as_offsetable_lo10=unknown
+ if test "x$gcc_cv_as" != x; then
+ # Check if assembler has offsetable %lo()
+ echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
+ echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
+ if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
+ > /dev/null 2>&1 &&
+ $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
+ > /dev/null 2>&1; then
+ if cmp conftest.o conftest1.o > /dev/null 2>&1; then
gcc_cv_as_offsetable_lo10=no
+ else
+ gcc_cv_as_offsetable_lo10=yes
fi
- rm -f conftest.s conftest.o conftest1.s conftest1.o
+ else
+ gcc_cv_as_offsetable_lo10=no
fi
- ])
- if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
- AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
- [Define if your assembler supports offsetable %lo().])
+ rm -f conftest.s conftest.o conftest1.s conftest1.o
fi
+ ])
+ if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
+ AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
+ [Define if your assembler supports offsetable %lo().])
fi
;;
# ??? Once 2.11 is released, probably need to add first known working
# version to the per-target configury.
case "$target" in
- i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-*)
+ i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
+ | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*)
insn="nop"
;;
ia64*-*-*)
-o "$gcc_cv_gas_major_version" -gt 2 \
&& grep 'obj_format = elf' ../gas/Makefile > /dev/null \
&& test x"$insn" != x ; then
- gcc_cv_as_gdwarf2_debug_flag="yes"
+ gcc_cv_as_gdwarf2_flag="yes"
fi
elif test x$gcc_cv_as != x -a x"$insn" != x ; then
echo '' > conftest.s
-o "$gcc_cv_gas_major_version" -gt 2 \
&& grep 'obj_format = elf' ../gas/Makefile > /dev/null \
&& test x"$insn" != x ; then
- gcc_cv_as_gstabs_debug_flag="yes"
+ gcc_cv_as_gstabs_flag="yes"
fi
elif test x$gcc_cv_as != x -a x"$insn" != x ; then
echo '' > conftest.s
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
fi
AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
-if test "$prefix" != "/usr" && test "$prefix" != "/usr/local" ; then
+# Miscellaneous target-specific checks.
+case "$target" in
+ mips*-*-*)
+ AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently)
+ gcc_cv_mips_libgloss_startup=no
+ gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
+ 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
+ for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
+ do
+ if grep '^STARTUP' $f > /dev/null 2>&1; then
+ gcc_cv_mips_libgloss_startup=yes
+ break
+ fi
+ done
+ if test x"$gcc_cv_mips_libgloss_startup" = xyes; then
+ AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1,
+ [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
+ fi
+ AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
+ ;;
+esac
+
+if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include")
fi
enable_languages=all
fi
else
- if test x"${enable_languages}" = x ||
- test x"${enable_languages}" = xyes;
+ if test x"${enable_languages}" = x \
+ || test x"${enable_languages}" = xyes;
then
AC_MSG_ERROR([--enable-languages needs at least one language argument])
fi
esac
done
+expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
+found_languages=
subdirs=
for lang in ${srcdir}/*/config-lang.in ..
do
*,all,*) add_this_lang=yes ;;
*) add_this_lang=no ;;
esac
+ found_languages="${found_languages} ${lang_alias}"
if test x"${add_this_lang}" = xyes; then
case $lang in
${srcdir}/ada/config-lang.in)
esac
done
+missing_languages=
+for expected_language in ${expected_languages} ..
+do
+ if test "${expected_language}" != ..; then
+ missing_language="${expected_language}"
+ if test "${expected_language}" = "c" \
+ || test "${expected_language}" = "all"; then
+ missing_language=
+ fi
+ for found_language in ${found_languages} ..
+ do
+ if test "${found_language}" != ..; then
+ if test "${expected_language}" = "${found_language}"; then
+ missing_language=
+ fi
+ fi
+ done
+ if test "x${missing_language}" != x; then
+ missing_languages="${missing_languages} ${missing_language}"
+ fi
+ fi
+done
+
+if test "x$missing_languages" != x; then
+ AC_MSG_ERROR([
+The following requested languages were not found:${missing_languages}
+The following languages were available: c${found_languages}])
+fi
+
# Make gthr-default.h if we have a thread file.
gthread_flags=
if test $thread_file != single; then
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.])])
-
# 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.
lang_specs_files=
lang_options_files=
lang_tree_files=
-rm -f specs.h options.h gencheck.h
-touch specs.h options.h gencheck.h
for subdir in . $subdirs
do
if test -f $srcdir/$subdir/lang-specs.h; then
- echo "#include \"$subdir/lang-specs.h\"" >>specs.h
- lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
+ lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
fi
if test -f $srcdir/$subdir/lang-options.h; then
- echo "#include \"$subdir/lang-options.h\"" >>options.h
- lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
+ lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
fi
if test -f $srcdir/$subdir/$subdir-tree.def; then
- echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h
- lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
+ lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
fi
done
all_boot_languages=
all_compilers=
all_stagestuff=
-all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc'
+all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
# List of language makefile fragments.
all_lang_makefiles=
+# Files for gengtype
+all_gtfiles="$target_gtfiles"
+# Files for gengtype with language
+all_gtfiles_files_langs=
+all_gtfiles_files_files=
# Add the language fragments.
# Languages are added via two mechanisms. Some information must be
compilers=
stagestuff=
outputs=
+ gtfiles=
. ${srcdir}/$s/config-lang.in
if test "x$language" = x
then
all_compilers="$all_compilers $compilers"
all_stagestuff="$all_stagestuff $stagestuff"
all_outputs="$all_outputs $outputs"
+ all_gtfiles="$all_gtfiles $gtfiles"
+ for f in .. $gtfiles
+ do
+ if test $f != ".."
+ then
+ all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
+ all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
+ fi
+ done
fi
done
+# Pick up gtfiles for c
+gtfiles=
+s="c"
+. ${srcdir}/c-config-lang.in
+all_gtfiles="$all_gtfiles $gtfiles"
+for f in .. $gtfiles
+do
+ if test $f != ".."
+ then
+ all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
+ all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
+ fi
+done
+
check_languages=
for language in .. $all_languages
do
fi)
AC_SUBST(slibdir)
-# Nothing to do for FLOAT_H, float_format already handled.
-objdir=`pwd`
+objdir=`${PWDCMD-pwd}`
AC_SUBST(objdir)
# Process the language and host/target makefile fragments.
# Substitute configuration variables
AC_SUBST(subdirs)
+AC_SUBST(srcdir)
AC_SUBST(all_boot_languages)
AC_SUBST(all_compilers)
+AC_SUBST(all_gtfiles)
+AC_SUBST(all_gtfiles_files_langs)
+AC_SUBST(all_gtfiles_files_files)
AC_SUBST(all_lang_makefiles)
AC_SUBST(all_languages)
AC_SUBST(all_stagestuff)
AC_SUBST(out_file)
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_file)
+AC_SUBST(tm_defines)
AC_SUBST(tm_p_file_list)
AC_SUBST(tm_p_file)
AC_SUBST(xm_file)
if test "$symbolic_link" = "ln -s"; then
for d in .. ${subdirs} fixinc ; do
if test $d != ..; then
- STARTDIR=`pwd`
+ STARTDIR=`${PWDCMD-pwd}`
cd $d
for t in stage1 stage2 stage3 stage4 include
do
echo creating libintl.h
echo '#include "intl/libintl.h"' >libintl.h
fi
-],
-[
-host='${host}'
-build='${build}'
-target='${target}'
-target_alias='${target_alias}'
-srcdir='${srcdir}'
-subdirs='${subdirs}'
-symbolic_link='${symbolic_link}'
-program_transform_set='${program_transform_set}'
-program_transform_name='${program_transform_name}'
-dep_host_xmake_file='${dep_host_xmake_file}'
-host_xmake_file='${host_xmake_file}'
-dep_tmake_file='${dep_tmake_file}'
-tmake_file='${tmake_file}'
-thread_file='${thread_file}'
-gcc_config_arguments='${gcc_config_arguments}'
-gcc_version='${gcc_version}'
-gcc_version_full='${gcc_version_full}'
-gcc_version_trigger='${gcc_version_trigger}'
-local_prefix='${local_prefix}'
-build_install_headers_dir='${build_install_headers_dir}'
-build_exeext='${build_exeext}'
-host_exeext='${host_exeext}'
-out_file='${out_file}'
-gdb_needs_out_file_path='${gdb_needs_out_file_path}'
-SET_MAKE='${SET_MAKE}'
-target_list='${target_list}'
-target_overrides='${target_overrides}'
-host_overrides='${host_overrides}'
-cpp_install_dir='${cpp_install_dir}'
+],
+[subdirs='$subdirs'
+symbolic_link='$symbolic_link'
])
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