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