dnl Process this file with autoconf to produce a configure script.
+sinclude(../config/enable.m4)
+sinclude(../config/tls.m4)
sinclude(../config/acx.m4)
sinclude(../config/no-executables.m4)
+sinclude(../config/lib-ld.m4)
+sinclude(../config/override.m4)
+sinclude(../config/picflag.m4)
+sinclude(../config/dfp.m4)
+sinclude(../config/unwind_ipinfo.m4)
+sinclude(../config/gthr.m4)
+sinclude(../config/sjlj.m4)
+sinclude(../config/cet.m4)
-AC_PREREQ(2.59)
AC_INIT([GNU C Runtime Library], 1.0,,[libgcc])
AC_CONFIG_SRCDIR([static-object.mk])
+# The libgcc should not depend on any header files
+AC_DEFUN([_AC_INCLUDES_DEFAULT_REQUIREMENTS],
+ [m4_divert_text([DEFAULTS],
+ [ac_includes_default='/* none */'])])
+
AC_ARG_WITH(target-subdir,
[ --with-target-subdir=SUBDIR Configuring in a subdirectory for target])
AC_ARG_WITH(cross-host,
fi
AC_SUBST(libgcc_topdir)
AC_CONFIG_AUX_DIR($libgcc_topdir)
+AC_CONFIG_HEADER(auto-target.h:config.in)
AC_ARG_ENABLE(shared,
[ --disable-shared don't provide a shared libgcc],
], [enable_shared=yes])
AC_SUBST(enable_shared)
+AC_ARG_ENABLE(gcov,
+[ --disable-gcov don't provide libgcov and related host tools],
+[], [enable_gcov=yes])
+AC_SUBST(enable_gcov)
+
+AC_ARG_ENABLE(vtable-verify,
+[ --enable-vtable-verify Enable vtable verification feature ],
+[case "$enableval" in
+ yes) enable_vtable_verify=yes ;;
+ no) enable_vtable_verify=no ;;
+ *) enable_vtable_verify=no;;
+ esac],
+[enable_vtable_verify=no])
+AC_SUBST(enable_vtable_verify)
+
+AC_ARG_WITH(aix-soname,
+[AS_HELP_STRING([--with-aix-soname=aix|svr4|both],
+ [shared library versioning (aka "SONAME") variant to provide on AIX])],
+[case "${host}:${enable_shared}" in
+ power*-*-aix[[5-9]]*:yes)
+ AC_MSG_CHECKING([which variant of shared library versioning to provide for shared libgcc])
+ case ${withval} in
+ aix|svr4|both) ;;
+ *) AC_MSG_ERROR([Unknown argument to --with-aix-soname]);;
+ esac
+ AC_MSG_RESULT($withval)
+ ;;
+ *) with_aix_soname=aix ;;
+ esac
+], [with_aix_soname=aix])
+AC_SUBST(with_aix_soname)
+
+GCC_PICFLAG
+AC_SUBST(PICFLAG)
+
AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
AC_ARG_ENABLE(version-specific-runtime-libs,
[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ],
fi)
AC_SUBST(slibdir)
+# Command-line options.
+# Very limited version of AC_MAINTAINER_MODE.
+AC_ARG_ENABLE([maintainer-mode],
+ [AC_HELP_STRING([--enable-maintainer-mode],
+ [enable make rules and dependencies not useful (and
+ sometimes confusing) to the casual installer])],
+ [case ${enable_maintainer_mode} in
+ yes) MAINT='' ;;
+ no) MAINT='#' ;;
+ *) AC_MSG_ERROR([--enable-maintainer-mode must be yes or no]) ;;
+ esac
+ maintainer_mode=${enableval}],
+ [MAINT='#'])
+AC_SUBST([MAINT])dnl
+
AC_PROG_INSTALL
AC_PROG_AWK
AC_CANONICAL_HOST
ACX_NONCANONICAL_HOST
+ACX_NONCANONICAL_TARGET
GCC_TOPLEV_SUBDIRS
+# Calculate toolexeclibdir
+# Also toolexecdir, though it's only used in toolexeclibdir
+case ${version_specific_libs} in
+ yes)
+ # Need the gcc compiler version to know where to install libraries
+ # and header files if --enable-version-specific-runtime-libs option
+ # is selected.
+ toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
+ toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
+ ;;
+ no)
+ if test -n "$with_cross_host" &&
+ test x"$with_cross_host" != x"no"; then
+ # Install a library built with a cross compiler in tooldir, not libdir.
+ toolexecdir='$(exec_prefix)/$(target_noncanonical)'
+ toolexeclibdir='$(toolexecdir)/lib'
+ else
+ toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
+ toolexeclibdir='$(libdir)'
+ fi
+ multi_os_directory=`$CC -print-multi-os-directory`
+ case $multi_os_directory in
+ .) ;; # Avoid trailing /.
+ *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
+ esac
+ ;;
+esac
+AC_SUBST(toolexecdir)
+AC_SUBST(toolexeclibdir)
+
dnl These must be called before AM_PROG_LIBTOOL, because it may want
dnl to call AC_CHECK_PROG.
AC_CHECK_TOOL(AR, ar)
AC_PROG_CC
AC_PROG_CPP_WERROR
+AC_SYS_LARGEFILE
+
+AC_CHECK_SIZEOF([double])
+AC_CHECK_SIZEOF([long double])
+AS_VAR_ARITH([double_type_size], [$ac_cv_sizeof_double \* 8])
+AS_VAR_ARITH([long_double_type_size], [$ac_cv_sizeof_long_double \* 8])
+AC_SUBST(double_type_size)
+AC_SUBST(long_double_type_size)
+
+AC_CHECK_HEADERS(inttypes.h stdint.h stdlib.h ftw.h \
+ unistd.h sys/stat.h sys/types.h \
+ string.h strings.h memory.h)
+AC_HEADER_STDC
+
# Check for decimal float support.
AC_CACHE_CHECK([whether decimal floating point is supported], [libgcc_cv_dfp],
- [AC_COMPILE_IFELSE([_Decimal32 x;], [libgcc_cv_dfp=yes],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <fenv.h>
+]], [[
+_Decimal32 x;
+int fe_except =
+ FE_INVALID|FE_DIVBYZERO|FE_OVERFLOW|FE_UNDERFLOW|FE_INEXACT;
+]])],
+ [libgcc_cv_dfp=yes],
[libgcc_cv_dfp=no])])
decimal_float=$libgcc_cv_dfp
AC_SUBST(decimal_float)
-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
-],
+GCC_AC_ENABLE_DECIMAL_FLOAT([$host])
+
+# Check for fixed-point support.
+AC_CACHE_CHECK([whether fixed-point is supported], [libgcc_cv_fixed_point],
+ [AC_COMPILE_IFELSE([AC_LANG_SOURCE([_Sat _Fract x;])],
+ [libgcc_cv_fixed_point=yes],
+ [libgcc_cv_fixed_point=no])])
+fixed_point=$libgcc_cv_fixed_point
+AC_SUBST(fixed_point)
+
+# For platforms with the unwind ABI which includes an unwind library,
+# libunwind, we can choose to use the system libunwind.
+# config.gcc also contains tests of with_system_libunwind.
+GCC_CHECK_UNWIND_GETIPINFO
+
+# Check if the compiler is configured for setjmp/longjmp exceptions.
+GCC_CHECK_SJLJ_EXCEPTIONS
+
+GCC_CET_FLAGS(CET_FLAGS)
+AC_SUBST(CET_FLAGS)
+
+AC_ARG_ENABLE([explicit-exception-frame-registration],
+ [AC_HELP_STRING([--enable-explicit-exception-frame-registration],
+ [register exception tables explicitly at module start, for use
+ e.g. for compatibility with installations without PT_GNU_EH_FRAME support])],
[
- case $target in
- powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux*)
- enable_decimal_float=yes
- ;;
- *)
- enable_decimal_float=no
- ;;
- esac
+force_explicit_eh_registry=
+if test "$enable_explicit_exception_frame_registration" = yes; then
+ if test $ac_cv_sjlj_exceptions = yes; then
+ AC_MSG_ERROR([Can't --enable-explicit-exception-frame-registration
+ with setjmp/longjmp exceptions])
+ fi
+ force_explicit_eh_registry=-DUSE_EH_FRAME_REGISTRY_ALWAYS
+fi
])
+AC_SUBST([force_explicit_eh_registry])
-# x86's use BID format instead of DPD
-if test x$enable_decimal_float = xyes; then
- case $target in
- i?86*-*-linux* | x86_64*-*-linux*)
- enable_decimal_float=bid
- ;;
- *)
- enable_decimal_float=dpd
- ;;
- esac
-fi
-AC_SUBST(enable_decimal_float)
+AC_LIB_PROG_LD_GNU
+
+AC_MSG_CHECKING([for thread model used by GCC])
+target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
+AC_MSG_RESULT([$target_thread_file])
+
+# Check for assembler CFI support.
+AC_CACHE_CHECK([whether assembler supports CFI directives], [libgcc_cv_cfi],
+ [AC_COMPILE_IFELSE(
+[AC_LANG_SOURCE([asm("\n\
+ .text\n\
+ .cfi_startproc\n\
+ .cfi_personality 0, symbol\n\
+ .cfi_endproc");])],
+ [libgcc_cv_cfi=yes],
+ [libgcc_cv_cfi=no])])
+
+# Check 32bit or 64bit. In the case of MIPS, this really determines the
+# word size rather than the address size.
+cat > conftest.c <<EOF
+#if defined(__x86_64__) || (!defined(__i386__) && defined(__LP64__)) \
+ || defined(__mips64)
+host_address=64
+#else
+host_address=32
+#endif
+EOF
+eval `${CC-cc} -E conftest.c | grep host_address=`
+rm -f conftest.c
+
+case ${host} in
+mips*-*-*)
+ AC_CACHE_CHECK([whether the target is hard-float],
+ [libgcc_cv_mips_hard_float],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE([#ifndef __mips_hard_float
+ #error FOO
+ #endif
+ ])],
+ [libgcc_cv_mips_hard_float=yes],
+ [libgcc_cv_mips_hard_float=no])])
+esac
+
+case ${host} in
+*-*-solaris2*)
+ # Check for system-provided CRTs on Solaris 11.4.
+ AC_CACHE_CHECK([system-provided CRTs on Solaris],
+ [libgcc_cv_solaris_crts],
+ [libgcc_cv_solaris_crts=no
+ libgcc_sysroot="`${CC} -print-sysroot`"
+ libgcc_libdir="$libgcc_sysroot/usr/lib"
+ # At the time they were added, gcrt1.o became a symlink for backwards
+ # compatibility on x86, while crt1.o was added on sparc, so check for that.
+ case ${host} in
+ i?86-*-solaris2* | x86_64-*-solaris2*)
+ if test -h "$libgcc_libdir/gcrt1.o"; then libgcc_cv_solaris_crts=yes; fi
+ ;;
+ sparc*-*-solaris2*)
+ if test -f "$libgcc_libdir/crt1.o"; then libgcc_cv_solaris_crts=yes; fi
+ ;;
+ esac])
+ if test $libgcc_cv_solaris_crts = yes; then
+ AC_DEFINE(HAVE_SOLARIS_CRTS, 1,
+ [Define if the system-provided CRTs are present on Solaris.])
+ fi
+ ;;
+esac
+
+# Determine the version of glibc, if any, used on the target.
+AC_MSG_CHECKING([for target glibc version])
+AC_ARG_WITH([glibc-version],
+ [AS_HELP_STRING([--with-glibc-version=M.N],
+ [assume GCC used with glibc version M.N or later])], [
+if [echo "$with_glibc_version" | grep '^[0-9][0-9]*\.[0-9][0-9]*$']; then
+ glibc_version_major=`echo "$with_glibc_version" | sed -e 's/\..*//'`
+ glibc_version_minor=`echo "$with_glibc_version" | sed -e 's/.*\.//'`
+else
+ AC_MSG_ERROR([option --with-glibc-version requires a version number M.N])
+fi], [
+AC_COMPUTE_INT([glibc_version_major], [__GLIBC__],
+ [#include <features.h>],
+ [glibc_version_major=0])
+AC_COMPUTE_INT([glibc_version_minor], [__GLIBC_MINOR__],
+ [#include <features.h>],
+ [glibc_version_minor=0])])
+AC_MSG_RESULT([$glibc_version_major.$glibc_version_minor])
+
+# Determine floating-point type for powerpc*-*-linux*.
+# Single-precision-only FPRs are not a supported configuration for
+# this target, so are not allowed for in this test.
+case ${host} in
+powerpc*-*-linux*)
+ cat > conftest.c <<EOF
+#ifdef __powerpc64__
+ppc_fp_type=64
+#elif defined _SOFT_FLOAT
+ppc_fp_type=soft
+#elif defined _SOFT_DOUBLE
+ppc_fp_type=e500v1
+#elif defined __NO_FPRS__
+ppc_fp_type=e500v2
+#else
+ppc_fp_type=hard
+#endif
+EOF
+eval `${CC-cc} -E conftest.c | grep ppc_fp_type=`
+rm -f conftest.c
+# glibc 2.19 and later provide all the soft-fp functions, with proper
+# interactions with <fenv.h> exception and rounding mode handling, so
+# make libgcc's versions into compat symbols if a recent enough glibc
+# version is being used.
+ppc_fp_compat=
+case ${ppc_fp_type} in
+soft|e500v1|e500v2)
+ if test $glibc_version_major -gt 2 \
+ || ( test $glibc_version_major -eq 2 \
+ && test $glibc_version_minor -ge 19 ); then
+ ppc_fp_compat="t-softfp-compat"
+ fi
+ ;;
+esac
+;;
+esac
+
+case ${host} in
+# At present, we cannot turn -mfloat128 on via #pragma GCC target, so just
+# check if we have VSX (ISA 2.06) support to build the software libraries, and
+# whether the assembler can handle xsaddqp for hardware support. Also check if
+# a new glibc is being used so that __builtin_cpu_supports can be used.
+powerpc*-*-linux*)
+ saved_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128"
+ AC_CACHE_CHECK([for PowerPC ISA 2.06 to build __float128 libraries],
+ [libgcc_cv_powerpc_float128],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE([vector double dadd (vector double a, vector double b) { return a + b; }])],
+ [libgcc_cv_powerpc_float128=yes],
+ [libgcc_cv_powerpc_float128=no])])
+
+ CFLAGS="$CFLAGS -mpower9-vector -mfloat128-hardware"
+ AC_CACHE_CHECK([for PowerPC ISA 3.0 to build hardware __float128 libraries],
+ [libgcc_cv_powerpc_float128_hw],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE([#include <sys/auxv.h>
+ #ifndef AT_PLATFORM
+ #error "AT_PLATFORM is not defined"
+ #endif
+ #ifndef __BUILTIN_CPU_SUPPORTS__
+ #error "__builtin_cpu_supports is not available"
+ #endif
+ vector unsigned char add (vector unsigned char a, vector unsigned char b)
+ {
+ vector unsigned char ret;
+ __asm__ ("xsaddqp %0,%1,%2" : "=v" (ret) : "v" (a), "v" (b));
+ return ret;
+ }
+ void *add_resolver (void) { return (void *) add; }
+ __float128 add_ifunc (__float128, __float128)
+ __attribute__ ((__ifunc__ ("add_resolver")));])],
+ [libgcc_cv_powerpc_float128_hw=yes],
+ [libgcc_cv_powerpc_float128_hw=no])])
+ CFLAGS="$saved_CFLAGS"
+esac
# Collect host-machine-specific information.
. ${srcdir}/config.host
+# Used for constructing correct paths for offload compilers.
+accel_dir_suffix=
+real_host_noncanonical=${host_noncanonical}
+if test x"$enable_as_accelerator_for" != x; then
+ accel_dir_suffix=/accel/${target_noncanonical}
+ real_host_noncanonical=${enable_as_accelerator_for}
+fi
+AC_SUBST(accel_dir_suffix)
+AC_SUBST(real_host_noncanonical)
+
+if test x"$enable_offload_targets" != x; then
+ extra_parts="${extra_parts} crtoffloadbegin.o crtoffloadend.o crtoffloadtable.o"
+fi
+
+# Check if Solaris/x86 linker supports ZERO terminator unwind entries.
+# This is after config.host so we can augment tmake_file.
+# Link with -nostartfiles -nodefaultlibs since neither are present while
+# building libgcc.
+case ${host} in
+i?86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
+ cat > conftest.s <<EOF
+ .section .eh_frame,"a",@unwind
+ .zero 4
+ .section .jcr,"aw",@progbits
+ .zero 8
+EOF
+ if AC_TRY_COMMAND(${CC-cc} -shared -nostartfiles -nodefaultlibs -o conftest.so conftest.s 1>&AS_MESSAGE_LOG_FD); then
+ tmake_file="${tmake_file} i386/t-crtstuff"
+ fi
+ ;;
+esac
+
+# Check if Solaris linker support v2 linker mapfile syntax.
+# Link with -nostartfiles -nodefaultlibs since neither are present while
+# building libgcc.
+case ${host} in
+*-*-solaris2*)
+ solaris_ld_v2_maps=no
+ echo 'int main(void) {return 0;}' > conftest.c
+ echo '$mapfile_version 2' > conftest.map
+ if AC_TRY_COMMAND([${CC-cc} -nostartfiles -nodefaultlibs -Wl,-M,conftest.map -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD]); then
+ solaris_ld_v2_maps=yes
+ fi
+ ;;
+esac
+AC_SUBST(solaris_ld_v2_maps)
+
+# Check if xtensa target is configured for windowed ABI and thus needs to use
+# custom unwind code.
+# This is after config.host so we can augment tmake_file.
+case ${host} in
+xtensa*-*)
+ cat > conftest.c <<EOF
+ #ifdef __XTENSA_CALL0_ABI__
+ #error
+ #endif
+EOF
+ if AC_TRY_COMMAND(${CC-cc} -E -o conftest.i conftest.c 1>&AS_MESSAGE_LOG_FD); then
+ tmake_file="${tmake_file} xtensa/t-windowed"
+ fi
+ ;;
+esac
+
# Check for visibility support. This is after config.host so that
# we can check for asm_hidden_op.
AC_CACHE_CHECK([for __attribute__((visibility("hidden")))],
if test $libgcc_cv_hidden_visibility_attribute = yes; then
vis_hide='-fvisibility=hidden -DHIDE_EXPORTS'
+ AC_DEFINE_UNQUOTED(AS_HIDDEN_DIRECTIVE, $asm_hidden_op, [Define to the .hidden-like directive if it exists.])
else
vis_hide=
fi
AC_SUBST(vis_hide)
+# Check for .cfi_sections .debug_frame support.
+AC_CACHE_CHECK([for .cfi_sections .debug_frame],
+ libgcc_cv_cfi_sections_directive, [
+ echo 'int foo (int, char *);' > conftest.c
+ echo 'int bar (int x) { char *y = __builtin_alloca (x); return foo (x + 1, y) + 1; }' >> conftest.c
+ libgcc_cv_cfi_sections_directive=no
+ if AC_TRY_COMMAND(${CC-cc} -Werror -g -fno-asynchronous-unwind-tables -fno-unwind-tables -fno-exceptions -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
+ if grep "\\.cfi_sections.*\\.debug_frame" conftest.s >/dev/null; then
+ libgcc_cv_cfi_sections_directive=yes
+ fi
+ fi
+ rm -f conftest.*
+ ])
+if test $libgcc_cv_cfi_sections_directive = yes; then
+ AC_DEFINE(HAVE_AS_CFI_SECTIONS, 1, [Define to 1 if the assembler supports .cfi_sections .debug_frame directive.])
+fi
+
+# See if we have thread-local storage. We can only test assembler
+# since link-time and run-time tests require the newly built
+# gcc, which can't be used to build executable due to that libgcc
+# is yet to be built here.
+GCC_CHECK_CC_TLS
+set_have_cc_tls=
+if test "$enable_tls $gcc_cv_have_cc_tls" = "yes yes"; then
+ set_have_cc_tls="-DHAVE_CC_TLS"
+fi
+AC_SUBST(set_have_cc_tls)
+
+# See if we have emulated thread-local storage.
+GCC_CHECK_EMUTLS
+set_use_emutls=
+if test "$enable_tls $gcc_cv_use_emutls" = "yes yes"; then
+ set_use_emutls="-DUSE_EMUTLS"
+fi
+AC_SUBST(set_use_emutls)
+
+dnl Check if as supports AVX instructions.
+AC_DEFUN([LIBGCC_CHECK_AS_AVX], [
+case "${target}" in
+i[[34567]]86-*-* | x86_64-*-*)
+ AC_CACHE_CHECK([if the assembler supports AVX], libgcc_cv_as_avx, [
+ AC_TRY_COMPILE([], [asm("vzeroupper");],
+ [libgcc_cv_as_avx=yes], [libgcc_cv_as_avx=no])
+ ])
+ if test x$libgcc_cv_as_avx = xyes; then
+ AC_DEFINE(HAVE_AS_AVX, 1, [Define to 1 if the assembler supports AVX.])
+ fi
+ ;;
+esac])
+LIBGCC_CHECK_AS_AVX
+
+dnl Check if as supports RTM instructions.
+AC_CACHE_CHECK(for init priority support, libgcc_cv_init_priority, [
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,
+ [[void ip (void) __attribute__ ((constructor (1)));]])],
+ [libgcc_cv_init_priority=yes],[libgcc_cv_init_priority=no])])
+if test $libgcc_cv_init_priority = yes; then
+ AC_DEFINE(HAVE_INIT_PRIORITY, 1,
+ [Define if the compiler supports init priority.])
+fi
+
+# Conditionalize the sfp-machine.h header for this target machine.
+if test -z "${sfp_machine_header}"; then
+ sfp_machine_header=$cpu_type/sfp-machine.h
+ if test -f ${srcdir}/config/${sfp_machine_header}; then
+ :
+ else
+ sfp_machine_header=no-sfp-machine.h
+ fi
+fi
+AC_SUBST(sfp_machine_header)
+
# Conditionalize the makefile for this target machine.
tmake_file_=
for f in ${tmake_file}
tmake_file="${tmake_file_}"
AC_SUBST(tmake_file)
+# Likewise export definitions for libgcc_tm.h
+tm_file_=
+for f in ${tm_file}
+do
+ tm_file_="${tm_file_} \$(srcdir)/config/$f"
+done
+tm_file="${tm_file_}"
+AC_SUBST(tm_file)
+AC_SUBST(tm_defines)
+
+# Map from thread model to thread header.
+GCC_AC_THREAD_HEADER([$target_thread_file])
+
+# Determine what GCC version number to use in filesystem paths.
+GCC_BASE_VER
+
# Substitute configuration variables
+AC_SUBST(cpu_type)
AC_SUBST(extra_parts)
AC_SUBST(asm_hidden_op)
+AC_SUBST(enable_execute_stack)
+AC_SUBST(unwind_header)
+AC_SUBST(md_unwind_header)
+AC_SUBST(sfp_machine_header)
+AC_SUBST(thread_header)
# We need multilib support.
AC_CONFIG_FILES([Makefile])
fi]],
[[srcdir=${srcdir}
host=${host}
-target=${target}
with_target_subdir=${with_target_subdir}
with_multisubdir=${with_multisubdir}
ac_configure_args="--enable-multilib ${ac_configure_args}"
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