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161 lines
4.5 KiB
Plaintext
161 lines
4.5 KiB
Plaintext
dnl Copyright (c) 1999, 2000 Sascha Schumann. All rights reserved.
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dnl
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dnl Redistribution and use in source and binary forms, with or without
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dnl modification, are permitted provided that the following conditions
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dnl are met:
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dnl
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dnl 1. Redistributions of source code must retain the above copyright
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dnl notice, this list of conditions and the following disclaimer.
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dnl
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dnl 2. Redistributions in binary form must reproduce the above copyright
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dnl notice, this list of conditions and the following disclaimer in
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dnl the documentation and/or other materials provided with the
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dnl distribution.
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dnl
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dnl THIS SOFTWARE IS PROVIDED BY SASCHA SCHUMANN ``AS IS'' AND ANY
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dnl EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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dnl IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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dnl PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SASCHA SCHUMANN OR
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dnl HIS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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dnl SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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dnl NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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dnl LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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dnl HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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dnl STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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dnl ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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dnl OF THE POSSIBILITY OF SUCH DAMAGE.
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dnl
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dnl PTHREADS_FLAGS
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dnl
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dnl Set some magic defines to achieve POSIX threads conformance
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dnl
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AC_DEFUN(PTHREADS_FLAGS,[
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if test -z "$host_alias" && test -n "$host"; then
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host_alias=$host
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fi
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if test -z "$host_alias"; then
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AC_MSG_ERROR(host_alias is not set. Make sure to run config.guess)
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fi
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case $host_alias in
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*solaris*)
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PTHREAD_FLAGS="-D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT";;
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*freebsd*)
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PTHREAD_FLAGS="-D_REENTRANT -D_THREAD_SAFE";;
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*linux*)
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PTHREAD_FLAGS=-D_REENTRANT;;
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*aix*)
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PTHREAD_FLAGS=-D_THREAD_SAFE;;
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*irix*)
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PTHREAD_FLAGS=-D_POSIX_THREAD_SAFE_FUNCTIONS;;
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*hpux*)
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PTHREAD_FLAGS=-D_REENTRANT;;
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*sco*)
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PTHREAD_FLAGS=-D_REENTRANT;;
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dnl Solves sigwait() problem, creates problems with u_long etc.
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dnl PTHREAD_FLAGS="-D_REENTRANT -D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=199506 -D_XOPEN_SOURCE_EXTENDED=1";;
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esac
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if test -n "$PTHREAD_FLAGS"; then
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CPPFLAGS="$CPPFLAGS $PTHREAD_FLAGS"
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fi
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])dnl
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dnl
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dnl PTHREADS_CHECK_COMPILE
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dnl
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dnl Check whether the current setup can use POSIX threads calls
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dnl
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AC_DEFUN(PTHREADS_CHECK_COMPILE, [
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AC_TRY_RUN( [
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#include <pthread.h>
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#include <stddef.h>
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void *thread_routine(void *data) {
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return data;
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}
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int main() {
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pthread_t thd;
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pthread_mutexattr_t mattr;
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int data = 1;
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pthread_mutexattr_init(&mattr);
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return pthread_create(&thd, NULL, thread_routine, &data);
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} ], [
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pthreads_working=yes
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], [
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pthreads_working=no
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], pthreads_working=no ) ] )dnl
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dnl
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dnl PTHREADS_CHECK()
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dnl
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dnl Try to find a way to enable POSIX threads
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dnl
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dnl Magic flags
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dnl -kthread gcc (FreeBSD)
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dnl -Kthread UDK cc (UnixWare)
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dnl -mt WorkShop cc (Solaris)
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dnl -mthreads gcc (AIX)
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dnl -pthread gcc (Linux, FreeBSD, NetBSD, OpenBSD)
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dnl -pthreads gcc (Solaris)
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dnl -qthreaded AIX cc V5
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dnl -threads gcc (HP-UX)
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dnl
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AC_DEFUN(PTHREADS_CHECK,[
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save_CFLAGS=$CFLAGS
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save_LIBS=$LIBS
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PTHREADS_ASSIGN_VARS
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PTHREADS_CHECK_COMPILE
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LIBS=$save_LIBS
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CFLAGS=$save_CFLAGS
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AC_CACHE_CHECK(for pthreads_cflags,ac_cv_pthreads_cflags,[
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ac_cv_pthreads_cflags=
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if test "$pthreads_working" != "yes"; then
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for flag in -kthread -pthread -pthreads -mthreads -Kthread -threads -mt -qthreaded; do
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ac_save=$CFLAGS
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CFLAGS="$CFLAGS $flag"
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PTHREADS_CHECK_COMPILE
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CFLAGS=$ac_save
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if test "$pthreads_working" = "yes"; then
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ac_cv_pthreads_cflags=$flag
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break
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fi
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done
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fi
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])
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AC_CACHE_CHECK(for pthreads_lib, ac_cv_pthreads_lib,[
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ac_cv_pthreads_lib=
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if test "$pthreads_working" != "yes"; then
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for lib in pthread pthreads c_r; do
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ac_save=$LIBS
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LIBS="$LIBS -l$lib"
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PTHREADS_CHECK_COMPILE
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LIBS=$ac_save
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if test "$pthreads_working" = "yes"; then
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ac_cv_pthreads_lib=$lib
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break
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fi
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done
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fi
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])
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if test "$pthreads_working" = "yes"; then
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threads_result="POSIX-Threads found"
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else
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threads_result="POSIX-Threads not found"
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fi
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])dnl
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dnl
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dnl
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AC_DEFUN(PTHREADS_ASSIGN_VARS,[
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if test -n "$ac_cv_pthreads_lib"; then
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LIBS="$LIBS -l$ac_cv_pthreads_lib"
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fi
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if test -n "$ac_cv_pthreads_cflags"; then
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CFLAGS="$CFLAGS $ac_cv_pthreads_cflags"
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fi
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])dnl
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