Build system: give the possibility to disable POSIX threads in configure script
Sébastien Villemot
parent
a98a5106e1
commit
f560ae8fce
32
license.txt
32
license.txt
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@ -162,7 +162,7 @@ License: LGPL-3+
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Files: m4/ax_blas.m4, m4/ax_lapack.m4, m4/ax_pthread.m4
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Files: m4/ax_blas.m4, m4/ax_lapack.m4
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Copyright: 2008, Steven G. Johnson <stevenj@alum.mit.edu>
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License: GPL-3+ with special Autoconf exception
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This program is free software: you can redistribute it and/or modify it
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@ -191,6 +191,36 @@ License: GPL-3+ with special Autoconf exception
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modified version of the Autoconf Macro, you may extend this special
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exception to the GPL to apply to your modified version as well.
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Files: m4/ax_pthread.m4
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Copyright: 2008, Steven G. Johnson <stevenj@alum.mit.edu>
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2010, Dynare Team
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License: GPL-3+ with special Autoconf exception
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This program is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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Public License for more details.
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.
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http://www.gnu.org/licenses/>.
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.
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As a special exception, the respective Autoconf Macro's copyright owner
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gives unlimited permission to copy, distribute and modify the configure
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scripts that are the output of Autoconf when processing the Macro. You
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need not follow the terms of the GNU General Public License when using
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or distributing such scripts, even though portions of the text of the
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Macro appear in them. The GNU General Public License (GPL) does govern
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all other use of the material that constitutes the Autoconf Macro.
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.
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This special exception to the GPL applies to versions of the Autoconf
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Macro released by the Autoconf Archive. When you make and distribute a
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modified version of the Autoconf Macro, you may extend this special
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exception to the GPL to apply to your modified version as well.
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Files: m4/ax_boost_base.m4
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Copyright: 2008, Thomas Porschberg <thomas@randspringer.de>
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2009, Dynare Team
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103
m4/ax_pthread.m4
103
m4/ax_pthread.m4
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@ -48,6 +48,7 @@
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# LICENSE
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#
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# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
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# Copyright (c) 2010 Dynare Team
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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@ -82,14 +83,18 @@ AC_LANG_SAVE
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AC_LANG_C
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ax_pthread_ok=no
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# We used to check for pthread.h first, but this fails if pthread.h
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# requires special compiler flags (e.g. on True64 or Sequent).
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# It gets checked for in the link test anyway.
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AC_ARG_WITH([pthread], [AS_HELP_STRING([--without-pthread], [don't use POSIX threads])], [], [with_readline=check])
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# First of all, check if the user has set any of the PTHREAD_LIBS,
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# etcetera environment variables, and if threads linking works using
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# them:
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if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
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if test "x$with_pthread" != "xno"; then
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# We used to check for pthread.h first, but this fails if pthread.h
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# requires special compiler flags (e.g. on True64 or Sequent).
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# It gets checked for in the link test anyway.
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# First of all, check if the user has set any of the PTHREAD_LIBS,
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# etcetera environment variables, and if threads linking works using
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# them:
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if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
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save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
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save_LIBS="$LIBS"
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@ -103,41 +108,41 @@ if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
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fi
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LIBS="$save_LIBS"
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CFLAGS="$save_CFLAGS"
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fi
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fi
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# We must check for the threads library under a number of different
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# names; the ordering is very important because some systems
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# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
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# libraries is broken (non-POSIX).
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# We must check for the threads library under a number of different
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# names; the ordering is very important because some systems
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# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
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# libraries is broken (non-POSIX).
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# Create a list of thread flags to try. Items starting with a "-" are
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# C compiler flags, and other items are library names, except for "none"
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# which indicates that we try without any flags at all, and "pthread-config"
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# which is a program returning the flags for the Pth emulation library.
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# Create a list of thread flags to try. Items starting with a "-" are
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# C compiler flags, and other items are library names, except for "none"
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# which indicates that we try without any flags at all, and "pthread-config"
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# which is a program returning the flags for the Pth emulation library.
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ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
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ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
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# The ordering *is* (sometimes) important. Some notes on the
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# individual items follow:
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# The ordering *is* (sometimes) important. Some notes on the
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# individual items follow:
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# pthreads: AIX (must check this before -lpthread)
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# none: in case threads are in libc; should be tried before -Kthread and
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# other compiler flags to prevent continual compiler warnings
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# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
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# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
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# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
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# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
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# -pthreads: Solaris/gcc
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# -mthreads: Mingw32/gcc, Lynx/gcc
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# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
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# doesn't hurt to check since this sometimes defines pthreads too;
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# also defines -D_REENTRANT)
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# ... -mt is also the pthreads flag for HP/aCC
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# pthread: Linux, etcetera
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# --thread-safe: KAI C++
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# pthread-config: use pthread-config program (for GNU Pth library)
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# pthreads: AIX (must check this before -lpthread)
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# none: in case threads are in libc; should be tried before -Kthread and
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# other compiler flags to prevent continual compiler warnings
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# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
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# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
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# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
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# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
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# -pthreads: Solaris/gcc
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# -mthreads: Mingw32/gcc, Lynx/gcc
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# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
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# doesn't hurt to check since this sometimes defines pthreads too;
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# also defines -D_REENTRANT)
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# ... -mt is also the pthreads flag for HP/aCC
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# pthread: Linux, etcetera
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# --thread-safe: KAI C++
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# pthread-config: use pthread-config program (for GNU Pth library)
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case "${host_cpu}-${host_os}" in
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case "${host_cpu}-${host_os}" in
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*solaris*)
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# On Solaris (at least, for some versions), libc contains stubbed
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@ -150,10 +155,10 @@ case "${host_cpu}-${host_os}" in
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ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
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;;
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esac
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esac
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if test x"$ax_pthread_ok" = xno; then
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for flag in $ax_pthread_flags; do
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if test x"$ax_pthread_ok" = xno; then
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for flag in $ax_pthread_flags; do
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case $flag in
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none)
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@ -208,11 +213,11 @@ for flag in $ax_pthread_flags; do
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PTHREAD_LIBS=""
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PTHREAD_CFLAGS=""
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done
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fi
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done
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fi
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# Various other checks:
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if test "x$ax_pthread_ok" = xyes; then
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# Various other checks:
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if test "x$ax_pthread_ok" = xyes; then
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save_LIBS="$LIBS"
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LIBS="$PTHREAD_LIBS $LIBS"
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save_CFLAGS="$CFLAGS"
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@ -252,13 +257,15 @@ if test "x$ax_pthread_ok" = xyes; then
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else
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PTHREAD_CC=$CC
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fi
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else
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else
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PTHREAD_CC="$CC"
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fi
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fi
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AC_SUBST(PTHREAD_LIBS)
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AC_SUBST(PTHREAD_CFLAGS)
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AC_SUBST(PTHREAD_CC)
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AC_SUBST(PTHREAD_LIBS)
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AC_SUBST(PTHREAD_CFLAGS)
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AC_SUBST(PTHREAD_CC)
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fi
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# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
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if test x"$ax_pthread_ok" = xyes; then
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