878 lines
26 KiB
Plaintext
878 lines
26 KiB
Plaintext
# 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=7:0:0
|
|
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=`$GOC -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$(top_srcdir)/../libffi/include -I../libffi/include'
|
|
fi
|
|
AC_SUBST(LIBFFI)
|
|
AC_SUBST(LIBFFIINCS)
|
|
|
|
# See if the user wants to configure without libatomic. This is useful if we are
|
|
# on an architecture for which libgo does not need an atomic support library and
|
|
# libatomic does not support our C compiler.
|
|
AC_ARG_WITH(libatomic,
|
|
AS_HELP_STRING([--without-libatomic],
|
|
[don't use libatomic]),
|
|
[:],
|
|
[with_libatomic=${with_libatomic_default-yes}])
|
|
|
|
LIBATOMIC=
|
|
if test "$with_libatomic" != no; then
|
|
LIBATOMIC=../libatomic/libatomic_convenience.la
|
|
fi
|
|
AC_SUBST(LIBATOMIC)
|
|
|
|
# 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_dragonfly=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 ;;
|
|
*-*-dragonfly*) is_dragonfly=yes; GOOS=dragonfly ;;
|
|
*-*-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_DRAGONFLY, test $is_dragonfly = 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_arm64=no
|
|
is_m68k=no
|
|
mips_abi=unknown
|
|
is_ppc=no
|
|
is_ppc64=no
|
|
is_ppc64le=no
|
|
is_s390=no
|
|
is_s390x=no
|
|
is_sparc=no
|
|
is_sparc64=no
|
|
is_x86_64=no
|
|
GOARCH=unknown
|
|
case ${host} in
|
|
alpha*-*-*)
|
|
is_alpha=yes
|
|
GOARCH=alpha
|
|
;;
|
|
aarch64-*-*)
|
|
is_arm64=yes
|
|
GOARCH=arm64
|
|
;;
|
|
arm*-*-* | strongarm*-*-* | ep9312*-*-* | xscale-*-*)
|
|
is_arm=yes
|
|
GOARCH=arm
|
|
;;
|
|
changequote(,)dnl
|
|
i[34567]86-*-* | x86_64-*-*)
|
|
changequote([,])dnl
|
|
AC_COMPILE_IFELSE([
|
|
#ifdef __x86_64__
|
|
#error 64-bit
|
|
#endif],
|
|
[is_386=yes], [is_x86_64=yes])
|
|
if test "$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 "$mips_abi" in
|
|
"o32") GOARCH=mipso32 ;;
|
|
"n32") GOARCH=mipsn32 ;;
|
|
"n64") GOARCH=mipsn64 ;;
|
|
"o64") GOARCH=mipso64 ;;
|
|
esac
|
|
;;
|
|
rs6000*-*-* | powerpc*-*-*)
|
|
AC_COMPILE_IFELSE([
|
|
#ifdef _ARCH_PPC64
|
|
#error 64-bit
|
|
#endif],
|
|
[is_ppc=yes],
|
|
[AC_COMPILE_IFELSE([
|
|
#if defined(_BIG_ENDIAN) || defined(__BIG_ENDIAN__)
|
|
#error 64be
|
|
#endif],
|
|
[is_ppc64le=yes],[is_ppc64=yes])])
|
|
if test "$is_ppc" = "yes"; then
|
|
GOARCH=ppc
|
|
elif test "$is_ppc64" = "yes"; then
|
|
GOARCH=ppc64
|
|
else
|
|
GOARCH=ppc64le
|
|
fi
|
|
;;
|
|
s390*-*-*)
|
|
AC_COMPILE_IFELSE([
|
|
#if defined(__s390x__)
|
|
#error 64-bit
|
|
#endif],
|
|
[is_s390=yes], [is_s390x=yes])
|
|
if test "$is_s390" = "yes"; then
|
|
GOARCH=s390
|
|
else
|
|
GOARCH=s390x
|
|
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_ARM64, test $is_arm64 = 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_PPC64LE, test $is_ppc64le = yes)
|
|
AM_CONDITIONAL(LIBGO_IS_S390, test $is_s390 = yes)
|
|
AM_CONDITIONAL(LIBGO_IS_S390X, test $is_s390x = 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="$OSCFLAGS -D_XOPEN_SOURCE=500"
|
|
;;
|
|
*-*-solaris2.1[[01]])
|
|
# Solaris 10+ needs this so struct msghdr gets the msg_control
|
|
# etc. fields in <sys/socket.h> (_XPG4_2). _XOPEN_SOURCE=600 as
|
|
# above doesn't work with C99.
|
|
OSCFLAGS="$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 $GOC -Wl,--help 2>/dev/null | grep split-stack-adjust-size >/dev/null 2>&1; then
|
|
libgo_cv_c_linker_supports_split_stack=yes
|
|
fi])
|
|
if test "$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
|
|
|
|
AC_CACHE_CHECK([whether compiler is llgo],
|
|
[libgo_cv_c_goc_is_llgo],
|
|
[libgo_cv_c_goc_is_llgo=no
|
|
if $GOC -dumpversion 2>/dev/null | grep llgo >/dev/null 2>&1; then
|
|
libgo_cv_c_goc_is_llgo=yes
|
|
fi])
|
|
AM_CONDITIONAL(GOC_IS_LLGO, test "$libgo_cv_c_goc_is_llgo" = yes)
|
|
|
|
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 "$libgo_cv_lib_pthread" = yes; then
|
|
PTHREAD_CFLAGS=-pthread
|
|
fi
|
|
AC_SUBST(PTHREAD_CFLAGS)
|
|
|
|
dnl Test for the -lpthread library.
|
|
PTHREAD_LIBS=
|
|
AC_CHECK_LIB([pthread], [pthread_create], PTHREAD_LIBS=-lpthread)
|
|
AC_SUBST(PTHREAD_LIBS)
|
|
|
|
dnl Test if -lrt is required for sched_yield and/or nanosleep.
|
|
AC_SEARCH_LIBS([sched_yield], [rt])
|
|
AC_SEARCH_LIBS([nanosleep], [rt])
|
|
|
|
AC_C_BIGENDIAN
|
|
|
|
GCC_CHECK_UNWIND_GETIPINFO
|
|
|
|
AC_CHECK_HEADERS(sched.h sys/file.h sys/mman.h syscall.h sys/epoll.h sys/inotify.h sys/ptrace.h sys/syscall.h sys/user.h sys/utsname.h sys/select.h sys/socket.h net/if.h net/if_arp.h net/route.h netpacket/packet.h sys/prctl.h sys/mount.h sys/vfs.h sys/statfs.h sys/timex.h sys/sysinfo.h utime.h linux/ether.h linux/fs.h linux/reboot.h netinet/icmp6.h netinet/in_syst.h netinet/ip.h netinet/ip_mroute.h netinet/if_ether.h)
|
|
|
|
AC_CHECK_HEADERS([linux/filter.h linux/if_addr.h linux/if_ether.h linux/if_tun.h linux/netlink.h linux/rtnetlink.h], [], [],
|
|
[#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
])
|
|
|
|
AC_CACHE_CHECK([whether <ustat.h> can be used],
|
|
[libgo_cv_c_ustat_h],
|
|
[CFLAGS_hold=$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 unsetenv 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 dup3 epoll_create1 faccessat fallocate fchmodat fchownat futimesat getxattr inotify_add_watch inotify_init inotify_init1 inotify_rm_watch listxattr mkdirat mknodat open64 openat pipe2 removexattr renameat setxattr 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"
|
|
else
|
|
MATH_FLAG="-ffp-contract=off"
|
|
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 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_CHECK([whether .eh_frame section should be read-only],
|
|
libgo_cv_ro_eh_frame, [
|
|
libgo_cv_ro_eh_frame=no
|
|
echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c
|
|
if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then
|
|
if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then
|
|
libgo_cv_ro_eh_frame=yes
|
|
elif grep '.section.*eh_frame.*#alloc' conftest.c \
|
|
| grep -v '#write' > /dev/null; then
|
|
libgo_cv_ro_eh_frame=yes
|
|
fi
|
|
fi
|
|
rm -f conftest.*
|
|
])
|
|
if test "x$libgo_cv_ro_eh_frame" = xyes; then
|
|
AC_DEFINE(EH_FRAME_FLAGS, "a",
|
|
[Define to the flags needed for the .section .eh_frame directive.])
|
|
else
|
|
AC_DEFINE(EH_FRAME_FLAGS, "aw",
|
|
[Define to the flags needed for the .section .eh_frame directive.])
|
|
fi
|
|
|
|
AC_CACHE_CHECK([if compiler supports -Qunused-arguments],
|
|
[libgo_cv_c_unused_arguments],
|
|
[CFLAGS_hold=$CFLAGS
|
|
CFLAGS="$CFLAGS -Qunused-arguments"
|
|
AC_COMPILE_IFELSE([[int i;]],
|
|
[libgo_cv_c_unused_arguments=yes],
|
|
[libgo_cv_c_unused_arguments=no])
|
|
CFLAGS=$CFLAGS_hold])
|
|
|
|
AC_CACHE_CHECK([if assembler supports GNU comdat group syntax],
|
|
libgo_cv_as_comdat_gnu, [
|
|
echo '.section .text,"axG",@progbits,.foo,comdat' > conftest.s
|
|
CFLAGS_hold=$CFLAGS
|
|
if test "$libgo_cv_c_unused_arguments" = yes; then
|
|
CFLAGS="$CFLAGS -Qunused-arguments"
|
|
fi
|
|
if $CC $CFLAGS -c conftest.s > /dev/null 2>&1; then
|
|
libgo_cv_as_comdat_gnu=yes
|
|
else
|
|
libgo_cv_as_comdat_gnu=no
|
|
fi
|
|
CFLAGS=$CFLAGS_hold
|
|
])
|
|
if test "x$libgo_cv_as_comdat_gnu" = xyes; then
|
|
AC_DEFINE(HAVE_AS_COMDAT_GAS, 1,
|
|
[Define if your assembler supports GNU comdat group syntax.])
|
|
fi
|
|
|
|
AC_CACHE_CHECK([assembler supports pc related relocs],
|
|
libgo_cv_as_x86_pcrel, [
|
|
libgo_cv_as_x86_pcrel=yes
|
|
echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s
|
|
CFLAGS_hold=$CFLAGS
|
|
if test "$libgo_cv_c_unused_arguments" = yes; then
|
|
CFLAGS="$CFLAGS -Qunused-arguments"
|
|
fi
|
|
if $CC $CFLAGS -c conftest.s 2>&1 | $EGREP -i 'illegal|warning' > /dev/null; then
|
|
libgo_cv_as_x86_pcrel=no
|
|
fi
|
|
CFLAGS=$CFLAGS_hold
|
|
])
|
|
if test "x$libgo_cv_as_x86_pcrel" = xyes; then
|
|
AC_DEFINE(HAVE_AS_X86_PCREL, 1,
|
|
[Define if your assembler supports PC relative relocs.])
|
|
fi
|
|
|
|
AC_CACHE_CHECK([assembler supports unwind section type],
|
|
libgo_cv_as_x86_64_unwind_section_type, [
|
|
libgo_cv_as_x86_64_unwind_section_type=yes
|
|
echo '.section .eh_frame,"a",@unwind' > conftest.s
|
|
CFLAGS_hold=$CFLAGS
|
|
if test "$libgo_cv_c_unused_arguments" = yes; then
|
|
CFLAGS="$CFLAGS -Qunused-arguments"
|
|
fi
|
|
if $CC $CFLAGS -c conftest.s 2>&1 | grep -i warning > /dev/null; then
|
|
libgo_cv_as_x86_64_unwind_section_type=no
|
|
fi
|
|
CFLAGS=$CFLAGS_hold
|
|
])
|
|
if test "x$libgo_cv_as_x86_64_unwind_section_type" = xyes; then
|
|
AC_DEFINE(HAVE_AS_X86_64_UNWIND_SECTION_TYPE, 1,
|
|
[Define if your assembler supports unwind section type.])
|
|
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
|