AC_PROG_CPP
AC_C_INLINE
+AC_SYS_LARGEFILE
+
# sizeof(char) is 1 by definition.
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(short)
[], [])
# Enable C extension for decimal float if target supports it.
-AC_ARG_ENABLE(decimal-float,
-[ --enable-decimal-float={no,yes,bid,dpd}
- enable decimal float extension to C. Selecting 'bid'
- or 'dpd' choses which decimal floating point format
- to use],
-[
- case $enable_decimal_float in
- yes | no | bid | dpd) ;;
- *) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float.
-Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
- esac
-],
-[
- case $target in
- powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux*)
- enable_decimal_float=yes
- ;;
- *)
- AC_MSG_WARN(decimal float is not supported for this target, ignored)
- enable_decimal_float=no
- ;;
- esac
-])
+GCC_AC_ENABLE_DECIMAL_FLOAT([$target])
dfp=`if test $enable_decimal_float != no; then echo 1; else echo 0; fi`
AC_DEFINE_UNQUOTED(ENABLE_DECIMAL_FLOAT, $dfp,
[Define to 1 to enable decimal float extension to C.])
-# x86's use BID format instead of DPD
-case x$enable_decimal_float in
- xyes)
- case $target in
- i?86*-*-linux* | x86_64*-*-linux*)
- enable_decimal_float=bid
- ;;
- *)
- enable_decimal_float=dpd
- ;;
- esac
- ;;
- xno)
- # ENABLE_DECIMAL_FLOAT is set to 0. But we have to have proper
- # dependency on libdecnumber.
- enable_decimal_float=dpd
- ;;
-esac
-AC_SUBST(enable_decimal_float)
+# Use default_decimal_float for dependency.
+enable_decimal_float=$default_decimal_float
bid=`if test $enable_decimal_float = bid; then echo 1; else echo 0; fi`
AC_DEFINE_UNQUOTED(ENABLE_DECIMAL_BID_FORMAT, $bid,
mips*-*-*)
case $host in
mips*-sgi-irix*)
- AC_MSG_WARN(fixed-point is not supported on IRIX, ignored)
+ AC_MSG_WARN([fixed-point is not supported on IRIX, ignored])
enable_fixed_point=no
;;
*)
esac
;;
*)
- AC_MSG_WARN(fixed-point is not supported for this target, ignored)
+ AC_MSG_WARN([fixed-point is not supported for this target, ignored])
enable_fixed_point=no
;;
esac
)
AC_SUBST(CONFIGURE_SPECS)
-# Build with intermodule optimisations
-AC_ARG_ENABLE(intermodule,
-[ --enable-intermodule build the compiler in one step],
-[case ${enable_intermodule} in
- yes) onestep="-onestep";;
- *) onestep="";;
-esac],
-[onestep=""])
-AC_SUBST(onestep)
-
ACX_PKGVERSION([GCC])
ACX_BUGURL([http://gcc.gnu.org/bugs.html])
gettimeofday mbstowcs wcswidth mmap mincore setlocale \
gcc_UNLOCKED_FUNCS)
-save_CPPFLAGS="$CPPFLAGS"
-save_LIBS="$LIBS"
-LIBS="$LIBS $LIBELFLIBS"
-AC_CHECK_FUNCS(elf_getshdrstrndx,,
- [AC_CHECK_FUNCS(elf_getshstrndx,
- [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
-#include <libelf.h>
-int main()
-{
- return elf_getshstrndx (NULL, 0) == 0;
-}]])], AC_DEFINE(HAVE_ELF_GETSHSTRNDX_GABI, 1,
- [Define if elf_getshstrndx has gABI conformant return values.]))])]
- )
-LIBS="$save_LIBS"
-CPPFLAGS="$save_CPPFLAGS"
-
if test x$ac_cv_func_mbstowcs = xyes; then
AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
[ AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h>
| powerpc*-*-*,powerpc64*-*-*)
CROSS="$CROSS -DNATIVE_CROSS" ;;
esac
+
+ case $target in
+ *-*-mingw*)
+ if test "x$with_headers" = x; then
+ with_headers=yes
+ fi
+ ;;
+ *)
+ ;;
+ esac
elif test "x$TARGET_SYSTEM_ROOT" != x; then
SYSTEM_HEADER_DIR=$build_system_header_dir
fi
;;
esac
+AC_DEFINE_UNQUOTED(LTOPLUGINSONAME,"${host_lto_plugin_soname}",
+[Define to the name of the LTO plugin DSO that must be
+ passed to the linker's -plugin=LIB option.])
+
# ---------------------------
# Assembler & linker features
# ---------------------------
;;
esac])
+# gnu_indirect_function type is an extension proposed at
+# http://groups.google/com/group/generic-abi/files. It allows dynamic runtime
+# selection of function implementation
+AC_ARG_ENABLE(gnu-indirect-function,
+ [AS_HELP_STRING([--enable-gnu-indirect-function],
+ [enable the use of the @gnu_indirect_function to glibc systems])],
+ [case $enable_gnu_indirect_function in
+ yes | no) ;;
+ *) AC_MSG_ERROR(['$enable_gnu_indirect_function' is an invalid value for --enable-gnu-indirect-function.
+Valid choices are 'yes' and 'no'.]) ;;
+ esac],
+ [enable_gnu_indirect_function="$default_gnu_indirect_function"])
+if test x$enable_gnu_indirect_function = xyes; then
+ AC_DEFINE(HAVE_GNU_INDIRECT_FUNCTION, 1,
+ [Define if your system supports gnu indirect functions.])
+fi
+
changequote(,)dnl
if test $in_tree_ld != yes ; then
ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
hppa64*-*-hpux* | ia64*-*-hpux*)
gcc_cv_ld_hidden=yes
;;
+ *-*-solaris2.8*)
+ # .hidden support was backported to Solaris 8, starting with ld
+ # version 1.276.
+ if test "$ld_vers_minor" -ge 276; then
+ gcc_cv_ld_hidden=yes
+ else
+ gcc_cv_ld_hidden=no
+ fi
+ ;;
*-*-solaris2.9* | *-*-solaris2.1[0-9]*)
# Support for .hidden in Sun ld appeared in Solaris 9 FCS, but
# .symbolic was only added in Solaris 9 12/02.
# no objdump, err on the side of caution
gcc_cv_as_cfi_advance_working=no
fi
+GCC_TARGET_TEMPLATE(HAVE_GAS_CFI_DIRECTIVE)
AC_DEFINE_UNQUOTED(HAVE_GAS_CFI_DIRECTIVE,
[`if test $gcc_cv_as_cfi_directive = yes \
&& test $gcc_cv_as_cfi_advance_working = yes; then echo 1; else echo 0; fi`],
[Define 0/1 if your assembler supports CFI directives.])
+GCC_TARGET_TEMPLATE(HAVE_GAS_CFI_PERSONALITY_DIRECTIVE)
gcc_GAS_CHECK_FEATURE([cfi personality directive],
gcc_cv_as_cfi_personality_directive, ,,
[ .text
gcc_cv_as_cfi_sections_directive=yes
;;
esac])
+GCC_TARGET_TEMPLATE(HAVE_GAS_CFI_SECTIONS_DIRECTIVE)
AC_DEFINE_UNQUOTED(HAVE_GAS_CFI_SECTIONS_DIRECTIVE,
[`if test $gcc_cv_as_cfi_sections_directive = yes;
then echo 1; else echo 0; fi`],
[set_have_as_tls=yes])
fi
case "$target" in
+ *-*-irix6*)
+ # IRIX 6.5 rld and libc.so lack TLS support, so even if gas and gld
+ # with TLS support are in use, native TLS cannot work.
+ set_have_as_tls=no
+ ;;
+ *-*-osf*)
+ # Tru64 UNIX loader and libc.so lack TLS support, so even if gas and
+ # gld with TLS support are in use, native TLS cannot work.
+ set_have_as_tls=no
+ ;;
# TLS was introduced in the Solaris 9 FCS release and backported to
# Solaris 8 patches. Support for GNU-style TLS on x86 was only
# introduced in Solaris 9 4/04, replacing the earlier Sun style that Sun
min_tls_ld_vers_minor=343
;;
esac
- if test "$ls_vers_major" -gt 1 || \
+ if test "$ld_vers_major" -gt 1 || \
test "$ld_vers_minor" -ge "$min_tls_ld_vers_minor"; then
ld_tls_support=yes
else
# add some instruction here to (also) show we expect this might work.
# ??? Once 2.11 is released, probably need to add first known working
# version to the per-target configury.
-case "$target" in
- i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
- | x86_64*-*-* | hppa*-*-* | arm*-*-* \
- | xstormy16*-*-* | cris-*-* | crisv32-*-* | xtensa*-*-* | bfin-*-* | score*-*-* \
- | spu-*-* | fido*-*-* | m32c-*-*)
+case "$cpu_type" in
+ alpha | arm | avr | bfin | cris | i386 | m32c | m68k | microblaze | mips \
+ | pa | rs6000 | score | sparc | spu | xstormy16 | xtensa)
insn="nop"
;;
- ia64*-*-* | s390*-*-*)
+ ia64 | s390)
insn="nop 0"
;;
- mmix-*-*)
+ mmix)
insn="swym 0"
;;
esac
# `language' must be a single word so is spelled singularly.
all_languages=
all_compilers=
-all_outputs='Makefile gccbug'
+all_outputs='Makefile'
# List of language makefile fragments.
all_lang_makefrags=
# Additional files for gengtype
AC_DEFINE(ENABLE_LTO, 1, [Define to enable LTO support.])
enable_lto=yes
AC_SUBST(enable_lto)
- # LTO needs to speak the platform's object file format, and has a
- # number of implementations of the required binary file access APIs.
- # ELF is the most common, and default. We only link libelf if ELF
- # is indeed the selected format.
- LTO_BINARY_READER=${lto_binary_reader}
- LTO_USE_LIBELF=-lelf
- if test "x$lto_binary_reader" != "xlto-elf" ; then
- LTO_USE_LIBELF=
- fi
- AC_SUBST(LTO_BINARY_READER)
- AC_SUBST(LTO_USE_LIBELF)
;;
*) ;;
esac
AC_DEFINE(HAVE_cloog, 1, [Define if cloog is in use.])
fi
-AC_ARG_VAR(LIBELFLIBS,[How to link libelf])
-AC_ARG_VAR(LIBELFINC,[How to find libelf include files])
-if test "x${LIBELFLIBS}" != "x" ; then
- AC_DEFINE(HAVE_libelf, 1, [Define if libelf is in use.])
-fi
-
# Check for plugin support
AC_ARG_ENABLE(plugin,
[ --enable-plugin enable plugin support],
enable_plugin=yes; default_plugin=yes)
pluginlibs=
-if test x"$enable_plugin" = x"yes"; then
- case "${host}" in
- *-*-darwin*)
+case "${host}" in
+ *-*-darwin*)
+ if test x$build = x$host; then
+ export_sym_check="nm${exeext} -g"
+ elif test x$host = x$target; then
export_sym_check="$gcc_cv_nm -g"
- ;;
- *)
+ else
+ export_sym_check=
+ fi
+ ;;
+ *)
+ if test x$build = x$host; then
+ export_sym_check="objdump${exeext} -T"
+ elif test x$host = x$target; then
export_sym_check="$gcc_cv_objdump -T"
- ;;
- esac
+ else
+ export_sym_check=
+ fi
+ ;;
+esac
+
+if test x"$enable_plugin" = x"yes"; then
+
AC_MSG_CHECKING([for exported symbols])
- echo "int main() {return 0;} int foobar() {return 0;}" > conftest.c
- ${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest > /dev/null 2>&1
- if $export_sym_check conftest | grep foobar > /dev/null; then
- : # No need to use a flag
- else
- AC_MSG_CHECKING([for -rdynamic])
- ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest > /dev/null 2>&1
+ if test "x$export_sym_check" != x; then
+ echo "int main() {return 0;} int foobar() {return 0;}" > conftest.c
+ ${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest > /dev/null 2>&1
if $export_sym_check conftest | grep foobar > /dev/null; then
- plugin_rdynamic=yes
- pluginlibs="-rdynamic"
+ : # No need to use a flag
+ AC_MSG_RESULT([yes])
else
- plugin_rdynamic=no
- enable_plugin=no
+ AC_MSG_RESULT([yes])
+ AC_MSG_CHECKING([for -rdynamic])
+ ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest > /dev/null 2>&1
+ if $export_sym_check conftest | grep foobar > /dev/null; then
+ plugin_rdynamic=yes
+ pluginlibs="-rdynamic"
+ else
+ plugin_rdynamic=no
+ enable_plugin=no
+ fi
+ AC_MSG_RESULT([$plugin_rdynamic])
fi
- AC_MSG_RESULT([$plugin_rdynamic])
+ else
+ AC_MSG_RESULT([unable to check])
fi
# Check -ldl
# Check that we can build shared objects with -fPIC -shared
saved_LDFLAGS="$LDFLAGS"
+ saved_CFLAGS="$CFLAGS"
case "${host}" in
*-*-darwin*)
- LDFLAGS="$LDFLAGS -fPIC -shared -undefined dynamic_lookup"
+ CFLAGS=`echo $CFLAGS | sed s/-mdynamic-no-pic//g`
+ CFLAGS="$CFLAGS -fPIC"
+ LDFLAGS="$LDFLAGS -shared -undefined dynamic_lookup"
;;
*)
+ CFLAGS="$CFLAGS -fPIC"
LDFLAGS="$LDFLAGS -fPIC -shared"
;;
esac
enable_plugin=no
fi
LDFLAGS="$saved_LDFLAGS"
+ CFLAGS="$saved_CFLAGS"
# If plugin support had been requested but not available, fail.
if test x"$enable_plugin" = x"no" ; then
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