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|
dnl
dnl REENTRANCY_FLAGS
dnl
dnl Set some magic defines
dnl
AC_DEFUN(REENTRANCY_FLAGS,[
case "`uname -sr`" in
"SunOS 5"*)
CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS";;
esac
dnl This works for now..
CFLAGS="$CFLAGS -D_REENTRANT"
])dnl
dnl
dnl PTHREADS_CHECK_COMPILE
dnl
dnl Check whether the current setup can use POSIX threads calls
dnl
AC_DEFUN(PTHREADS_CHECK_COMPILE, [
AC_TRY_RUN( [
#include <pthread.h>
#include <stddef.h>
void *thread_routine(void *data) {
return data;
}
int main() {
pthread_t thd;
pthread_mutexattr_t mattr;
int data = 1;
pthread_mutexattr_init(&mattr);
return pthread_create(&thd, NULL, thread_routine, &data);
} ], [
pthreads_working="yes"
], [
pthreads_working="no"
], pthreads_working="no" ) ] )dnl
dnl
dnl PTHREADS_CHECK()
dnl
dnl Try to find a way to enable POSIX threads
dnl
AC_DEFUN(PTHREADS_CHECK,[
if test -n "$ac_cv_pthreads_lib"; then
LIBS="$LIBS -l$ac_cv_pthreads_lib"
fi
if test -n "$ac_cv_pthreads_cflags"; then
CFLAGS="$CFLAGS $ac_cv_pthreads_cflags"
fi
PTHREADS_CHECK_COMPILE
AC_CACHE_CHECK(for pthreads_cflags,ac_cv_pthreads_cflags,[
ac_cv_pthreads_cflags=""
if test "$pthreads_working" != "yes"; then
for flag in -pthreads -pthread -mthreads; do
ac_save="$CFLAGS"
CFLAGS="$CFLAGS $flag"
PTHREADS_CHECK_COMPILE
if test "$pthreads_working" = "yes"; then
ac_cv_pthreads_cflags="$flag"
break
fi
CFLAGS="$ac_save"
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
if test "$pthreads_working" = "yes"; then
ac_cv_pthreads_lib="$lib"
break
fi
LIBS="$ac_save"
done
fi
])
if test "$pthreads_working" = "yes"; then
threads_result="POSIX Threads found"
else
threads_result="POSIX Threads not found"
fi
])dnl
|
