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-rw-r--r--gcc-4.8.1/libgo/configure.ac802
1 files changed, 0 insertions, 802 deletions
diff --git a/gcc-4.8.1/libgo/configure.ac b/gcc-4.8.1/libgo/configure.ac
deleted file mode 100644
index 58cc04573..000000000
--- a/gcc-4.8.1/libgo/configure.ac
+++ /dev/null
@@ -1,802 +0,0 @@
-# configure.ac -- Go library configure script.
-
-# Copyright 2009 The Go Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
-
-# Process this file with autoreconf to produce configure.
-
-AC_PREREQ(2.64)
-AC_INIT(package-unused, version-unused,, libgo)
-AC_CONFIG_SRCDIR(Makefile.am)
-AC_CONFIG_HEADER(config.h)
-
-libtool_VERSION=3:1:0
-AC_SUBST(libtool_VERSION)
-
-AM_ENABLE_MULTILIB(, ..)
-
-AC_CANONICAL_SYSTEM
-target_alias=${target_alias-$host_alias}
-
-AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dist -Wall -Wno-portability])
-AH_TEMPLATE(PACKAGE, [Name of package])
-AH_TEMPLATE(VERSION, [Version number of package])
-
-m4_rename([_AC_ARG_VAR_PRECIOUS],[glibgo_PRECIOUS])
-m4_define([_AC_ARG_VAR_PRECIOUS],[])
-AC_PROG_CC
-AC_PROG_GO
-m4_rename_force([glibgo_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
-
-AC_SUBST(CFLAGS)
-
-AM_MAINTAINER_MODE
-
-AC_PROG_LD
-AC_PROG_RANLIB
-AC_CHECK_TOOL(OBJCOPY, objcopy, missing-objcopy)
-
-AC_LIBTOOL_DLOPEN
-AM_PROG_LIBTOOL
-AC_SUBST(enable_shared)
-AC_SUBST(enable_static)
-
-CC_FOR_BUILD=${CC_FOR_BUILD:-gcc}
-AC_SUBST(CC_FOR_BUILD)
-
-AC_PROG_AWK
-
-WARN_FLAGS='-Wall -Wextra -Wwrite-strings -Wcast-qual'
-AC_SUBST(WARN_FLAGS)
-
-AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror],
- [turns on -Werror @<:@default=yes@:>@])])
-if test "x$enable_werror" != "xno"; then
- WERROR="-Werror"
-fi
-AC_SUBST(WERROR)
-
-glibgo_toolexecdir=no
-glibgo_toolexeclibdir=no
-
-AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
-AC_ARG_ENABLE([version-specific-runtime-libs],
- AC_HELP_STRING([--enable-version-specific-runtime-libs],
- [Specify that runtime libraries should be installed in a compiler-specific directory]),
- [case "$enableval" in
- yes) version_specific_libs=yes ;;
- no) version_specific_libs=no ;;
- *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
- esac],
- [version_specific_libs=no])
-AC_MSG_RESULT($version_specific_libs)
-
-# Version-specific runtime libs processing.
-if test $version_specific_libs = yes; then
- glibgo_toolexecdir='${libdir}/gcc/${host_alias}'
- glibgo_toolexeclibdir='${toolexecdir}/${gcc_version}$(MULTISUBDIR)'
-fi
-
-# Calculate glibgo_toolexecdir, glibgo_toolexeclibdir
-# Install a library built with a cross compiler in tooldir, not libdir.
-if test -n "$with_cross_host" &&
- test x"$with_cross_host" != x"no"; then
- nover_glibgo_toolexecdir='${exec_prefix}/${host_alias}'
- nover_glibgo_toolexeclibdir='${toolexecdir}/lib'
-else
- nover_glibgo_toolexecdir='${libdir}/gcc/${host_alias}'
- nover_glibgo_toolexeclibdir='${libdir}'
-fi
-multi_os_directory=`$CC -print-multi-os-directory`
-case $multi_os_directory in
- .) ;; # Avoid trailing /.
- *) nover_glibgo_toolexeclibdir=${nover_glibgo_toolexeclibdir}/${multi_os_directory} ;;
-esac
-
-if test x"$glibgo_toolexecdir" = x"no"; then
- glibgo_toolexecdir="${nover_glibgo_toolexecdir}"
- glibgo_toolexeclibdir="${nover_glibgo_toolexeclibdir}"
-fi
-
-AC_SUBST(glibgo_toolexecdir)
-AC_SUBST(glibgo_toolexeclibdir)
-AC_SUBST(nover_glibgo_toolexeclibdir)
-
-# See if the user wants to configure without libffi. Some
-# architectures don't support it. FIXME: We should set a default
-# based on the host.
-AC_ARG_WITH(libffi,
- AS_HELP_STRING([--without-libffi],
- [don't use libffi]),
- [:],
- [with_libffi=${with_libffi_default-yes}])
-
-LIBFFI=
-LIBFFIINCS=
-if test "$with_libffi" != no; then
- AC_DEFINE(USE_LIBFFI, 1, [Define if we're to use libffi.])
- LIBFFI=../libffi/libffi_convenience.la
- LIBFFIINCS='-I$(top_srcdir)/../libffi/include -I../libffi/include'
-fi
-AC_SUBST(LIBFFI)
-AC_SUBST(LIBFFIINCS)
-
-# Used to tell GNU make to include a file without telling automake to
-# include it.
-go_include="-include"
-AC_SUBST(go_include)
-
-is_darwin=no
-is_freebsd=no
-is_irix=no
-is_linux=no
-is_netbsd=no
-is_openbsd=no
-is_rtems=no
-is_solaris=no
-GOOS=unknown
-case ${host} in
- *-*-darwin*) is_darwin=yes; GOOS=darwin ;;
- *-*-freebsd*) is_freebsd=yes; GOOS=freebsd ;;
- *-*-irix6*) is_irix=yes; GOOS=irix ;;
- *-*-linux*) is_linux=yes; GOOS=linux ;;
- *-*-netbsd*) is_netbsd=yes; GOOS=netbsd ;;
- *-*-openbsd*) is_openbsd=yes; GOOS=openbsd ;;
- *-*-rtems*) is_rtems=yes; GOOS=rtems ;;
- *-*-solaris2*) is_solaris=yes; GOOS=solaris ;;
-esac
-AM_CONDITIONAL(LIBGO_IS_DARWIN, test $is_darwin = yes)
-AM_CONDITIONAL(LIBGO_IS_FREEBSD, test $is_freebsd = yes)
-AM_CONDITIONAL(LIBGO_IS_IRIX, test $is_irix = yes)
-AM_CONDITIONAL(LIBGO_IS_LINUX, test $is_linux = yes)
-AM_CONDITIONAL(LIBGO_IS_NETBSD, test $is_netbsd = yes)
-AM_CONDITIONAL(LIBGO_IS_OPENBSD, test $is_openbsd = yes)
-AM_CONDITIONAL(LIBGO_IS_RTEMS, test $is_rtems = yes)
-AM_CONDITIONAL(LIBGO_IS_SOLARIS, test $is_solaris = yes)
-AC_SUBST(GOOS)
-
-dnl Test whether we need to use DejaGNU or whether we can use the
-dnl simpler gotest approach. We can only use gotest for a native
-dnl build.
-USE_DEJAGNU=no
-case ${host} in
- *-*-rtems*) USE_DEJAGNU=yes ;;
- ${build}) ;;
- *) USE_DEJAGNU=yes ;;
-esac
-AC_SUBST(USE_DEJAGNU)
-
-dnl N.B. Keep in sync with gcc/testsuite/go.test/go-test.exp (go-set-goarch).
-is_386=no
-is_alpha=no
-is_arm=no
-is_m68k=no
-mips_abi=unknown
-is_ppc=no
-is_ppc64=no
-is_sparc=no
-is_sparc64=no
-is_x86_64=no
-GOARCH=unknown
-case ${host} in
- alpha*-*-*)
- is_alpha=yes
- GOARCH=alpha
- ;;
- arm*-*-* | strongarm*-*-* | ep9312*-*-* | xscale-*-*)
- is_arm=yes
- GOARCH=arm
- ;;
-changequote(,)dnl
- i[34567]86-*-* | x86_64-*-*)
-changequote([,])dnl
- AC_COMPILE_IFELSE([
-#ifdef __x86_64__
-#error 64-bit
-#endif],
-[is_386=yes], [is_x86_64=yes])
- if test "$is_386" = "yes"; then
- GOARCH=386
- else
- GOARCH=amd64
- fi
- ;;
- m68k*-*-*)
- is_m68k=yes
- GOARCH=m68k
- ;;
- mips*-*-*)
- AC_COMPILE_IFELSE([
-#if _MIPS_SIM != _ABIO32
-#error not o32
-#endif],
-[mips_abi="o32"],
- [AC_COMPILE_IFELSE([
-#if _MIPS_SIM != _ABIN32
-#error not n32
-#endif],
-[mips_abi="n32"],
- [AC_COMPILE_IFELSE([
-#if _MIPS_SIM != _ABI64
-#error not n64
-#endif],
-[mips_abi="n64"],
- [AC_COMPILE_IFELSE([
-#if _MIPS_SIM != _ABIO64
-#error not o64
-#endif],
-[mips_abi="o64"],
- [AC_MSG_ERROR([unknown MIPS ABI])
-[mips_abi="n32"]])])])])
- case "$mips_abi" in
- "o32") GOARCH=mipso32 ;;
- "n32") GOARCH=mipsn32 ;;
- "n64") GOARCH=mipsn64 ;;
- "o64") GOARCH=mipso64 ;;
- esac
- ;;
- rs6000*-*-* | powerpc*-*-*)
- AC_COMPILE_IFELSE([
-#ifdef _ARCH_PPC64
-#error 64-bit
-#endif],
-[is_ppc=yes], [is_ppc64=yes])
- if test "$is_ppc" = "yes"; then
- GOARCH=ppc
- else
- GOARCH=ppc64
- fi
- ;;
- sparc*-*-*)
- AC_COMPILE_IFELSE([
-#if defined(__sparcv9) || defined(__arch64__)
-#error 64-bit
-#endif],
-[is_sparc=yes], [is_sparc64=yes])
- if test "$is_sparc" = "yes"; then
- GOARCH=sparc
- else
- GOARCH=sparc64
- fi
- ;;
-esac
-AM_CONDITIONAL(LIBGO_IS_386, test $is_386 = yes)
-AM_CONDITIONAL(LIBGO_IS_ALPHA, test $is_alpha = yes)
-AM_CONDITIONAL(LIBGO_IS_ARM, test $is_arm = yes)
-AM_CONDITIONAL(LIBGO_IS_M68K, test $is_m68k = yes)
-AM_CONDITIONAL(LIBGO_IS_MIPS, test $mips_abi != unknown)
-AM_CONDITIONAL(LIBGO_IS_MIPSO32, test $mips_abi = o32)
-AM_CONDITIONAL(LIBGO_IS_MIPSN32, test $mips_abi = n32)
-AM_CONDITIONAL(LIBGO_IS_MIPSN64, test $mips_abi = n64)
-AM_CONDITIONAL(LIBGO_IS_MIPSO64, test $mips_abi = o64)
-AM_CONDITIONAL(LIBGO_IS_PPC, test $is_ppc = yes)
-AM_CONDITIONAL(LIBGO_IS_PPC64, test $is_ppc64 = yes)
-AM_CONDITIONAL(LIBGO_IS_SPARC, test $is_sparc = yes)
-AM_CONDITIONAL(LIBGO_IS_SPARC64, test $is_sparc64 = yes)
-AM_CONDITIONAL(LIBGO_IS_X86_64, test $is_x86_64 = yes)
-AC_SUBST(GOARCH)
-
-dnl Some files are only present when needed for specific architectures.
-GO_LIBCALL_OS_FILE=
-GO_LIBCALL_OS_ARCH_FILE=
-GO_SYSCALL_OS_FILE=
-GO_SYSCALL_OS_ARCH_FILE=
-if test -f ${srcdir}/go/syscall/libcall_${GOOS}.go; then
- GO_LIBCALL_OS_FILE=go/syscall/libcall_${GOOS}.go
-fi
-if test -f ${srcdir}/go/syscall/libcall_${GOOS}_${GOARCH}.go; then
- GO_LIBCALL_OS_ARCH_FILE=go/syscall/libcall_${GOOS}_${GOARCH}.go
-fi
-if test -f ${srcdir}/go/syscall/syscall_${GOOS}.go; then
- GO_SYSCALL_OS_FILE=go/syscall/syscall_${GOOS}.go
-fi
-if test -f ${srcdir}/go/syscall/syscall_${GOOS}_${GOARCH}.go; then
- GO_SYSCALL_OS_ARCH_FILE=go/syscall/syscall_${GOOS}_${GOARCH}.go
-fi
-AC_SUBST(GO_LIBCALL_OS_FILE)
-AC_SUBST(GO_LIBCALL_OS_ARCH_FILE)
-AC_SUBST(GO_SYSCALL_OS_FILE)
-AC_SUBST(GO_SYSCALL_OS_ARCH_FILE)
-
-dnl Special flags used to generate sysinfo.go.
-OSCFLAGS="-D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
-case "$target" in
- mips-sgi-irix6.5*)
- # IRIX 6 needs _XOPEN_SOURCE=500 for the XPG5 version of struct
- # msghdr in <sys/socket.h>.
- OSCFLAGS="$OSCFLAGS -D_XOPEN_SOURCE=500"
- ;;
- *-*-solaris2.[[89]])
- # Solaris 8/9 need this so struct msghdr gets the msg_control
- # etc. fields in <sys/socket.h> (_XPG4_2).
- OSCFLAGS="$OSCFLAGS -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D__EXTENSIONS__"
- ;;
- *-*-solaris2.1[[01]])
- # Solaris 10+ needs this so struct msghdr gets the msg_control
- # etc. fields in <sys/socket.h> (_XPG4_2). _XOPEN_SOURCE=600 as
- # above doesn't work with C99.
- OSCFLAGS="$OSCFLAGS -std=gnu99 -D_XOPEN_SOURCE=600 -D__EXTENSIONS__"
- ;;
-esac
-AC_SUBST(OSCFLAGS)
-
-dnl Use -fsplit-stack when compiling C code if available.
-AC_CACHE_CHECK([whether -fsplit-stack is supported],
-[libgo_cv_c_split_stack_supported],
-[CFLAGS_hold=$CFLAGS
-CFLAGS="$CFLAGS -fsplit-stack"
-AC_COMPILE_IFELSE([[int i;]],
-[libgo_cv_c_split_stack_supported=yes],
-[libgo_cv_c_split_stack_supported=no])
-CFLAGS=$CFLAGS_hold])
-if test "$libgo_cv_c_split_stack_supported" = yes; then
- SPLIT_STACK=-fsplit-stack
- AC_DEFINE(USING_SPLIT_STACK, 1,
- [Define if the compiler supports -fsplit-stack])
-else
- SPLIT_STACK=
-fi
-AC_SUBST(SPLIT_STACK)
-AM_CONDITIONAL(USING_SPLIT_STACK,
- test "$libgo_cv_c_split_stack_supported" = yes)
-
-dnl Check whether the linker does stack munging when calling from
-dnl split-stack into non-split-stack code. We check this by looking
-dnl at the --help output. FIXME: This is only half right: it's
-dnl possible for the linker to support this for some targets but not
-dnl others.
-AC_CACHE_CHECK([whether linker supports split stack],
-[libgo_cv_c_linker_supports_split_stack],
-libgo_cv_c_linker_supports_split_stack=no
-if $LD --help 2>/dev/null | grep split-stack-adjust-size >/dev/null 2>&1; then
- libgo_cv_c_linker_supports_split_stack=yes
-fi)
-if test "$libgo_cv_c_linker_supports_split_stack" = yes; then
- AC_DEFINE(LINKER_SUPPORTS_SPLIT_STACK, 1,
- [Define if the linker support split stack adjustments])
-fi
-
-dnl Test for the -lm library.
-MATH_LIBS=
-AC_CHECK_LIB([m], [sqrt], MATH_LIBS=-lm)
-AC_SUBST(MATH_LIBS)
-
-dnl Test for -lsocket and -lnsl. Copied from libjava/configure.ac.
-AC_CACHE_CHECK([for socket libraries], libgo_cv_lib_sockets,
- [libgo_cv_lib_sockets=
- libgo_check_both=no
- AC_CHECK_FUNC(connect, libgo_check_socket=no, libgo_check_socket=yes)
- if test "$libgo_check_socket" = "yes"; then
- unset ac_cv_func_connect
- AC_CHECK_LIB(socket, main, libgo_cv_lib_sockets="-lsocket",
- libgo_check_both=yes)
- fi
- if test "$libgo_check_both" = "yes"; then
- libgo_old_libs=$LIBS
- LIBS="$LIBS -lsocket -lnsl"
- unset ac_cv_func_accept
- AC_CHECK_FUNC(accept,
- [libgo_check_nsl=no
- libgo_cv_lib_sockets="-lsocket -lnsl"])
- unset ac_cv_func_accept
- LIBS=$libgo_old_libs
- fi
- unset ac_cv_func_gethostbyname
- libgo_old_libs="$LIBS"
- AC_CHECK_FUNC(gethostbyname, ,
- [AC_CHECK_LIB(nsl, main,
- [libgo_cv_lib_sockets="$libgo_cv_lib_sockets -lnsl"])])
- unset ac_cv_func_gethostbyname
- LIBS=$libgo_old_libs
-])
-NET_LIBS="$libgo_cv_lib_sockets"
-AC_SUBST(NET_LIBS)
-
-dnl Test whether the compiler supports the -pthread option.
-AC_CACHE_CHECK([whether -pthread is supported],
-[libgo_cv_lib_pthread],
-[CFLAGS_hold=$CFLAGS
-CFLAGS="$CFLAGS -pthread"
-AC_COMPILE_IFELSE([[int i;]],
-[libgo_cv_lib_pthread=yes],
-[libgo_cv_lib_pthread=no])
-CFLAGS=$CFLAGS_hold])
-PTHREAD_CFLAGS=
-if test "$libgo_cv_lib_pthread" = yes; then
- PTHREAD_CFLAGS=-pthread
-fi
-AC_SUBST(PTHREAD_CFLAGS)
-
-dnl Test for the -lpthread library.
-PTHREAD_LIBS=
-AC_CHECK_LIB([pthread], [pthread_create], PTHREAD_LIBS=-lpthread)
-AC_SUBST(PTHREAD_LIBS)
-
-dnl Test if -lrt is required for sched_yield and/or nanosleep.
-AC_SEARCH_LIBS([sched_yield], [rt])
-AC_SEARCH_LIBS([nanosleep], [rt])
-
-AC_C_BIGENDIAN
-
-GCC_CHECK_UNWIND_GETIPINFO
-
-AC_ARG_ENABLE(sjlj-exceptions,
- AC_HELP_STRING([--enable-sjlj-exceptions],
- [force use of builtin_setjmp for exceptions]),
- [case "$enableval" in
- yes|no|auto) ;;
- *) AC_MSG_ERROR([unknown argument to --enable-sjlj-exceptions]) ;;
- esac],
- [enable_sjlj_exceptions=auto])
-
-AC_CACHE_CHECK([whether to use setjmp/longjmp exceptions],
-[libgo_cv_lib_sjlj_exceptions],
-[AC_LANG_CONFTEST(
- [AC_LANG_SOURCE([
-void bar ();
-void clean (int *);
-void foo ()
-{
- int i __attribute__ ((cleanup (clean)));
- bar();
-}
-])])
-CFLAGS_hold=$CFLAGS
-CFLAGS="--save-temps -fexceptions"
-libgo_cv_lib_sjlj_exceptions=unknown
-AS_IF([ac_fn_c_try_compile],
- [if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1; then
- libgo_cv_lib_sjlj_exceptions=yes
- elif grep _Unwind_Resume conftest.s >/dev/null 2>&1; then
- libgo_cv_lib_sjlj_exceptions=no
- fi])
-CFLAGS=$CFLAGS_hold
-rm -f conftest*
-])
-
-if test "$enable_sjlj_exceptions" = "auto"; then
- enable_sjlj_exceptions=$libgo_cv_lib_sjlj_exceptions
-fi
-
-case $enable_sjlj_exceptions in
-yes)
- AC_DEFINE(LIBGO_SJLJ_EXCEPTIONS, 1,
- [Define if the C++ compiler is configured for setjmp/longjmp exceptions.])
- ;;
-no)
- ;;
-*)
- AC_MSG_ERROR([unable to detect exception model])
- ;;
-esac
-
-AC_CHECK_HEADERS(sys/file.h sys/mman.h syscall.h sys/epoll.h sys/inotify.h sys/ptrace.h sys/syscall.h sys/user.h sys/utsname.h sys/select.h sys/socket.h net/if.h net/if_arp.h net/route.h netpacket/packet.h sys/prctl.h sys/mount.h sys/vfs.h sys/statfs.h sys/timex.h sys/sysinfo.h utime.h linux/ether.h linux/fs.h linux/reboot.h netinet/in_syst.h netinet/ip.h netinet/ip_mroute.h netinet/if_ether.h)
-
-AC_CHECK_HEADERS([linux/filter.h linux/if_addr.h linux/if_ether.h linux/if_tun.h linux/netlink.h linux/rtnetlink.h], [], [],
-[#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-])
-
-AC_CACHE_CHECK([whether <ustat.h> can be used],
-[libgo_cv_c_ustat_h],
-[CFLAGS_hold=$CFLAGS
-CFLAGS="$CFLAGS -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE $OSCFLAGS"
-AC_COMPILE_IFELSE(
-[AC_LANG_SOURCE([
-#include <sys/types.h>
-#ifdef HAVE_LINUX_FILTER_H
-#include <linux/filter.h>
-#endif
-#include <ustat.h>
-])], [libgo_cv_c_ustat_h=yes], [libgo_cv_c_ustat_h=no])
-CFLAGS=$CFLAGS_hold])
-if test $libgo_cv_c_ustat_h = yes; then
- AC_DEFINE(HAVE_USTAT_H, 1,
- [Define to 1 if you have the <ustat.h> header file and it works.])
-fi
-
-AM_CONDITIONAL(HAVE_SYS_MMAN_H, test "$ac_cv_header_sys_mman_h" = yes)
-
-AC_CHECK_FUNCS(strerror_r strsignal wait4 mincore setenv dl_iterate_phdr)
-AM_CONDITIONAL(HAVE_STRERROR_R, test "$ac_cv_func_strerror_r" = yes)
-AM_CONDITIONAL(HAVE_WAIT4, test "$ac_cv_func_wait4" = yes)
-
-AC_CHECK_FUNCS(accept4 epoll_create1 faccessat fallocate fchmodat fchownat futimesat inotify_add_watch inotify_init inotify_init1 inotify_rm_watch mkdirat mknodat openat pipe2 renameat sync_file_range splice tee unlinkat unshare utimensat)
-AC_TYPE_OFF_T
-AC_CHECK_TYPES([loff_t])
-
-LIBS_hold="$LIBS"
-LIBS="$LIBS -lm"
-AC_CHECK_FUNCS(cosl expl logl sinl tanl acosl asinl atanl atan2l expm1l ldexpl log10l log1pl)
-LIBS="$LIBS_hold"
-
-CFLAGS_hold="$CFLAGS"
-CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-LIBS_hold="$LIBS"
-LIBS="$LIBS $PTHREAD_LIBS"
-AC_CHECK_FUNCS(sem_timedwait)
-CFLAGS="$CFLAGS_hold"
-LIBS="$LIBS_hold"
-
-LIBS_hold="$LIBS"
-LIBS="$LIBS $MATH_LIBS"
-AC_CHECK_FUNCS(matherr)
-LIBS="$LIBS_hold"
-
-AC_CACHE_CHECK([for __sync_bool_compare_and_swap_4],
-[libgo_cv_func___sync_bool_compare_and_swap_4],
-[AC_LINK_IFELSE([
-typedef unsigned int uint32 __attribute__ ((mode (SI)));
-uint32 i;
-int main() { return __sync_bool_compare_and_swap (&i, 0, 1); }
-],
-[libgo_cv_func___sync_bool_compare_and_swap_4=yes],
-[libgo_cv_func___sync_bool_compare_and_swap_4=no])])
-if test "$libgo_cv_func___sync_bool_compare_and_swap_4" = "yes"; then
- AC_DEFINE(HAVE_SYNC_BOOL_COMPARE_AND_SWAP_4, 1,
- [Define to 1 if the compiler provides the __sync_bool_compare_and_swap function for uint32])
-fi
-
-AC_CACHE_CHECK([for __sync_bool_compare_and_swap_8],
-[libgo_cv_func___sync_bool_compare_and_swap_8],
-[AC_LINK_IFELSE([
-typedef unsigned int uint64 __attribute__ ((mode (DI)));
-uint64 i;
-int main() { return __sync_bool_compare_and_swap (&i, 0, 1); }
-],
-[libgo_cv_func___sync_bool_compare_and_swap_8=yes],
-[libgo_cv_func___sync_bool_compare_and_swap_8=no])])
-if test "$libgo_cv_func___sync_bool_compare_and_swap_8" = "yes"; then
- AC_DEFINE(HAVE_SYNC_BOOL_COMPARE_AND_SWAP_8, 1,
- [Define to 1 if the compiler provides the __sync_bool_compare_and_swap function for uint64])
-fi
-
-AC_CACHE_CHECK([for __sync_fetch_and_add_4],
-[libgo_cv_func___sync_fetch_and_add_4],
-[AC_LINK_IFELSE([
-typedef unsigned int uint32 __attribute__ ((mode (SI)));
-uint32 i;
-int main() { return __sync_fetch_and_add (&i, 1); }
-],
-[libgo_cv_func___sync_fetch_and_add_4=yes],
-[libgo_cv_func___sync_fetch_and_add_4=no])])
-if test "$libgo_cv_func___sync_fetch_and_add_4" = "yes"; then
- AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD_4, 1,
- [Define to 1 if the compiler provides the __sync_fetch_and_add function for uint32])
-fi
-
-AC_CACHE_CHECK([for __sync_add_and_fetch_8],
-[libgo_cv_func___sync_add_and_fetch_8],
-[AC_LINK_IFELSE([
-typedef unsigned int uint64 __attribute__ ((mode (DI)));
-uint64 i;
-int main() { return __sync_add_and_fetch (&i, 1); }
-],
-[libgo_cv_func___sync_add_and_fetch_8=yes],
-[libgo_cv_func___sync_add_and_fetch_8=no])])
-if test "$libgo_cv_func___sync_add_and_fetch_8" = "yes"; then
- AC_DEFINE(HAVE_SYNC_ADD_AND_FETCH_8, 1,
- [Define to 1 if the compiler provides the __sync_add_and_fetch function for uint64])
-fi
-
-dnl For x86 we want to use the -minline-all-stringops option to avoid
-dnl forcing a stack split when calling memcpy and friends.
-AC_CACHE_CHECK([whether compiler supports -minline-all-stringops],
-[libgo_cv_c_stringops],
-[CFLAGS_hold=$CFLAGS
-CFLAGS="$CFLAGS -minline-all-stringops"
-AC_COMPILE_IFELSE([int i;],
-[libgo_cv_c_stringops=yes],
-[libgo_cv_c_stringops=no])
-CFLAGS=$CFLAGS_hold])
-STRINGOPS_FLAG=
-if test "$libgo_cv_c_stringops" = yes; then
- STRINGOPS_FLAG=-minline-all-stringops
-fi
-AC_SUBST(STRINGOPS_FLAG)
-
-dnl For x86 we want to compile the math library with -mfancy-math-387
-dnl -funsafe-math-optimizations so that we can use the builtin
-dnl instructions directly.
-AC_CACHE_CHECK([whether compiler supports -mfancy-math-387],
-[libgo_cv_c_fancymath],
-[CFLAGS_hold=$CFLAGS
-CFLAGS="$CFLAGS -mfancy-math-387"
-AC_COMPILE_IFELSE([int i;],
-[libgo_cv_c_fancymath=yes],
-[libgo_cv_c_fancymath=no])
-CFLAGS=$CFLAGS_hold])
-MATH_FLAG=
-if test "$libgo_cv_c_fancymath" = yes; then
- MATH_FLAG="-mfancy-math-387 -funsafe-math-optimizations"
-fi
-AC_SUBST(MATH_FLAG)
-
-CFLAGS_hold=$CFLAGS
-CFLAGS="$CFLAGS -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE"
-AC_CHECK_TYPES([off64_t])
-CFLAGS=$CFLAGS_hold
-
-dnl Work out the size of the epoll_events struct on GNU/Linux.
-AC_CACHE_CHECK([epoll_event size],
-[libgo_cv_c_epoll_event_size],
-[AC_COMPUTE_INT(libgo_cv_c_epoll_event_size,
-[sizeof (struct epoll_event)],
-[#include <sys/epoll.h>],
-[libgo_cv_c_epoll_event_size=0])])
-SIZEOF_STRUCT_EPOLL_EVENT=${libgo_cv_c_epoll_event_size}
-AC_SUBST(SIZEOF_STRUCT_EPOLL_EVENT)
-
-dnl Work out the offset of the fd field in the epoll_events struct on
-dnl GNU/Linux.
-AC_CACHE_CHECK([epoll_event data.fd offset],
-[libgo_cv_c_epoll_event_fd_offset],
-[AC_COMPUTE_INT(libgo_cv_c_epoll_event_fd_offset,
-[offsetof (struct epoll_event, data.fd)],
-[#include <stddef.h>
-#include <sys/epoll.h>],
-[libgo_cv_c_epoll_event_fd_offset=0])])
-STRUCT_EPOLL_EVENT_FD_OFFSET=${libgo_cv_c_epoll_event_fd_offset}
-AC_SUBST(STRUCT_EPOLL_EVENT_FD_OFFSET)
-
-dnl See if struct exception is defined in <math.h>.
-AC_CHECK_TYPE([struct exception],
-[libgo_has_struct_exception=yes],
-[libgo_has_struct_exception=no],
-[#include <math.h>])
-if test "$libgo_has_struct_exception" = "yes"; then
- AC_DEFINE(HAVE_STRUCT_EXCEPTION, 1,
- [Define to 1 if <math.h> defines struct exception])
-fi
-
-dnl Check if makecontext expects the uc_stack member of ucontext to point
-dnl to the top of the stack.
-case "$target" in
- sparc*-*-solaris2.[[89]]*)
- libgo_cv_lib_makecontext_stack_top=yes
- ;;
- *)
- libgo_cv_lib_makecontext_stack_top=no
- ;;
-esac
-if test "$libgo_cv_lib_makecontext_stack_top" = "yes"; then
- AC_DEFINE(MAKECONTEXT_STACK_TOP, 1,
- [Define if makecontext expects top of stack in uc_stack.])
-fi
-
-dnl See whether setcontext changes the value of TLS variables.
-AC_CACHE_CHECK([whether setcontext clobbers TLS variables],
-[libgo_cv_lib_setcontext_clobbers_tls],
-[CFLAGS_hold="$CFLAGS"
-CFLAGS="$PTHREAD_CFLAGS"
-LIBS_hold="$LIBS"
-LIBS="$LIBS $PTHREAD_LIBS"
-AC_CHECK_SIZEOF([void *])
-AS_VAR_ARITH([ptr_type_size], [$ac_cv_sizeof_void_p \* 8])
-AC_RUN_IFELSE(
- [AC_LANG_SOURCE([
-#include <pthread.h>
-#include <stdlib.h>
-#include <ucontext.h>
-#include <unistd.h>
-
-__thread int tls;
-
-static char stack[[10 * 1024 * 1024]];
-static ucontext_t c;
-
-/* Called via makecontext/setcontext. */
-
-static void
-cfn (void)
-{
- exit (tls);
-}
-
-/* Called via pthread_create. */
-
-static void *
-tfn (void *dummy)
-{
- /* The thread should still see this value after calling
- setcontext. */
- tls = 0;
-
- setcontext (&c);
-
- /* The call to setcontext should not return. */
- abort ();
-}
-
-int
-main ()
-{
- pthread_t tid;
-
- /* The thread should not see this value. */
- tls = 1;
-
- if (getcontext (&c) < 0)
- abort ();
-
- c.uc_stack.ss_sp = stack;
-#ifdef MAKECONTEXT_STACK_TOP
- c.uc_stack.ss_sp += sizeof stack;
-#endif
- c.uc_stack.ss_flags = 0;
- c.uc_stack.ss_size = sizeof stack;
- c.uc_link = NULL;
- makecontext (&c, cfn, 0);
-
- if (pthread_create (&tid, NULL, tfn, NULL) != 0)
- abort ();
-
- if (pthread_join (tid, NULL) != 0)
- abort ();
-
- /* The thread should have called exit. */
- abort ();
-}
-])],
-[libgo_cv_lib_setcontext_clobbers_tls=no],
-[libgo_cv_lib_setcontext_clobbers_tls=yes],
-[case "$target:$ptr_type_size" in
- i?86-*-solaris2.1[[01]]:64 | x86_64*-*-solaris2.1[[01]]:64)
- libgo_cv_lib_setcontext_clobbers_tls=yes ;;
- *)
- libgo_cv_lib_setcontext_clobbers_tls=no ;;
- esac
-])
-CFLAGS="$CFLAGS_hold"
-LIBS="$LIBS_hold"
-])
-if test "$libgo_cv_lib_setcontext_clobbers_tls" = "yes"; then
- AC_DEFINE(SETCONTEXT_CLOBBERS_TLS, 1,
- [Define if setcontext clobbers TLS variables])
-fi
-
-AC_CACHE_SAVE
-
-if test ${multilib} = yes; then
- multilib_arg="--enable-multilib"
-else
- multilib_arg=
-fi
-
-AC_CONFIG_FILES(Makefile testsuite/Makefile)
-
-AC_CONFIG_COMMANDS([default],
-[if test -n "$CONFIG_FILES"; then
- # Multilibs need MULTISUBDIR defined correctly in certain makefiles so
- # that multilib installs will end up installed in the correct place.
- # The testsuite needs it for multilib-aware ABI baseline files.
- # To work around this not being passed down from config-ml.in ->
- # srcdir/Makefile.am -> srcdir/{src,libsupc++,...}/Makefile.am, manually
- # append it here. Only modify Makefiles that have just been created.
- #
- # Also, get rid of this simulated-VPATH thing that automake does.
- cat > vpsed << \_EOF
-s!`test -f '$<' || echo '$(srcdir)/'`!!
-_EOF
- for i in $SUBDIRS; do
- case $CONFIG_FILES in
- *${i}/Makefile*)
- #echo "Adding MULTISUBDIR to $i/Makefile"
- sed -f vpsed $i/Makefile > tmp
- grep '^MULTISUBDIR =' Makefile >> tmp
- mv tmp $i/Makefile
- ;;
- esac
- done
- rm vpsed
- fi
-],
-[
-# Variables needed in config.status (file generation) which aren't already
-# passed by autoconf.
-SUBDIRS="$SUBDIRS"
-])
-
-AC_OUTPUT
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 01:01:55 +0000