26570a9b4b
2015-01-26 Matthias Klose <doko@ubuntu.com>
* configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
* configure: Regenerate.
From-SVN: r220141
237 lines
7.2 KiB
Plaintext
237 lines
7.2 KiB
Plaintext
# @copyright
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# Copyright (C) 2011-2013, Intel Corporation
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# All rights reserved.
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#
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# @copyright
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Intel Corporation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# @copyright
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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# WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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AC_INIT([Cilk Runtime Library], [2.0], [cilk@intel.com])
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AC_PREREQ([2.64])
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# Needed to define ${target}. Needs to be very early to avoid annoying
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# warning about calling AC_ARG_PROGRAM before AC_CANONICAL_SYSTEM
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AC_CANONICAL_SYSTEM
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target_alias=${target_alias-$host_alias}
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AC_SUBST(target_alias)
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AM_INIT_AUTOMAKE(foreign no-dist)
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AM_MAINTAINER_MODE
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AM_ENABLE_MULTILIB(, ..)
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# Build a DLL on Windows
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# AC_LIBTOOL_WIN32_DLL
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AC_PROG_CC
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AC_PROG_CXX
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# AC_PROG_LIBTOOL
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# AC_CONFIG_MACRO_DIR([..])
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AC_CONFIG_FILES([Makefile libcilkrts.spec])
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AC_FUNC_ALLOCA
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# Check whether the target supports protected visibility.
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save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Werror"
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AC_TRY_COMPILE([void __attribute__((visibility("protected"))) foo(void) { }],
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[], libcilkrts_cv_have_attribute_visibility=yes,
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libcilkrts_cv_have_attribute_visibility=no)
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CFLAGS="$save_CFLAGS"
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if test $libcilkrts_cv_have_attribute_visibility = yes; then
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AC_DEFINE(HAVE_ATTRIBUTE_VISIBILITY, 1,
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[Define to 1 if the target supports __attribute__((visibility(...))).])
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fi
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# Get target configury.
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. ${srcdir}/configure.tgt
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if test -n "$UNSUPPORTED"; then
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AC_MSG_ERROR([Configuration ${target} is unsupported.])
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fi
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if test "${multilib}" = "yes"; then
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multilib_arg="--enable-multilib"
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else
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multilib_arg=
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fi
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AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
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AC_ARG_ENABLE([version-specific-runtime-libs],
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AC_HELP_STRING([--enable-version-specific-runtime-libs],
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[Specify that runtime libraries should be installed in a compi
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ler-specific directory]),
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[case "$enableval" in
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yes) enable_version_specific_runtime_libs=yes ;;
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no) enable_version_specific_runtime_libs=no ;;
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*) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs
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]);;
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esac],
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[enable_version_specific_runtime_libs=no])
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AC_MSG_RESULT($enable_version_specific_runtime_libs)
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# Calculate toolexeclibdir
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# Also toolexecdir, though it's only used in toolexeclibdir
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case ${enable_version_specific_runtime_libs} in
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yes)
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# Need the gcc compiler version to know where to install libraries
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# and header files if --enable-version-specific-runtime-libs option
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# is selected.
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toolexecdir='$(libdir)/gcc/$(target_alias)'
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toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
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;;
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no)
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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# Install a library built with a cross compiler in tooldir, not libdir.
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toolexecdir='$(exec_prefix)/$(target_alias)'
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toolexeclibdir='$(toolexecdir)/lib'
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else
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toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
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toolexeclibdir='$(libdir)'
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fi
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multi_os_directory=`$CC -print-multi-os-directory`
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case $multi_os_directory in
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.) ;; # Avoid trailing /.
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*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
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esac
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;;
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esac
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# Set config_dir based on the target. config_dir specifies where to get
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# target-specific files. The generic implementation is incomplete, but
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# contains information on what's needed
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case "${target}" in
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x86_64-*-*)
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config_dir="x86"
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;;
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i?86-*-*)
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config_dir="x86"
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;;
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*)
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config_dir="generic"
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;;
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esac
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AC_SUBST(config_dir)
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# We have linker scripts for appropriate operating systems
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linux_linker_script=no
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case "${host}" in
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*-*-linux*)
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linux_linker_script=yes
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;;
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esac
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AM_CONDITIONAL(LINUX_LINKER_SCRIPT, test "$linux_linker_script" = "yes")
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mac_linker_script=no
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case "${host}" in
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*-*-apple*)
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mac_linker_script=yes
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;;
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esac
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AM_CONDITIONAL(MAC_LINKER_SCRIPT, test "$mac_linker_script" = "yes")
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AC_LIBTOOL_DLOPEN
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AM_PROG_LIBTOOL
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AC_SUBST(toolexecdir)
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AC_SUBST(toolexeclibdir)
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AC_SUBST(lt_cv_dlopen_libs)
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# Check to see if -pthread or -lpthread is needed. Prefer the former.
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# Note that the CILK_SELF_SPEC in gcc.c may force -pthread.
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# In case the pthread.h system header is not found, this test will fail.
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XCFLAGS=""
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XLDFLAGS=""
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CFLAGS="$CFLAGS -pthread"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[#include <pthread.h>
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void *g(void *d) { return NULL; }],
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[pthread_t t; pthread_create(&t,NULL,g,NULL);])],
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[XCFLAGS=" -Wc,-pthread"],
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[CFLAGS="$save_CFLAGS" LIBS="-lpthread $LIBS"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[#include <pthread.h>
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void *g(void *d) { return NULL; }],
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[pthread_t t; pthread_create(&t,NULL,g,NULL);])],
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[],
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[AC_MSG_ERROR([Pthreads are required to build libcilkrts])])])
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# Check for pthread_{,attr_}[sg]etaffinity_np.
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM(
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[#define _GNU_SOURCE
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#include <pthread.h>],
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[cpu_set_t cpuset;
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pthread_attr_t attr;
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pthread_getaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
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if (CPU_ISSET (0, &cpuset))
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CPU_SET (1, &cpuset);
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else
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CPU_ZERO (&cpuset);
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pthread_setaffinity_np (pthread_self (), sizeof (cpu_set_t), &cpuset);
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pthread_attr_init (&attr);
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pthread_attr_getaffinity_np (&attr, sizeof (cpu_set_t), &cpuset);
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pthread_attr_setaffinity_np (&attr, sizeof (cpu_set_t), &cpuset);])],
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AC_DEFINE(HAVE_PTHREAD_AFFINITY_NP, 1,
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[ Define if pthread_{,attr_}{g,s}etaffinity_np is supported.]))
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# Every c++ lib is linking by default with -nostdlib, which leads to the
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# fact, that proper pthread library will not be given at link time. We have
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# to hard-code that.
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case "${target}" in
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*android*)
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XLDFLAGS="$XLDFLAGS -lc"
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;;
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*)
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XLDFLAGS="$XLDFLAGS -lpthread"
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;;
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esac
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AC_SUBST(XCFLAGS)
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AC_SUBST(XLDFLAGS)
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CFLAGS="$save_CFLAGS"
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if test $enable_shared = yes; then
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link_cilkrts="-lcilkrts %{static: $LIBS}"
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else
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link_cilkrts="-lcilkrts $LIBS"
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fi
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AC_SUBST(link_cilkrts)
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# Must be last
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AC_OUTPUT
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