AC_DEFUN([PTHREADS_FLAGS],[
if test -z "$host_alias" && test -n "$host"; then
host_alias=$host
fi
if test -z "$host_alias"; then
AC_MSG_ERROR(host_alias is not set. Make sure to run config.guess)
fi
case $host_alias in
*solaris*)
PTHREAD_FLAGS="-D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT";;
*freebsd*)
PTHREAD_FLAGS="-D_REENTRANT -D_THREAD_SAFE";;
*linux*)
PTHREAD_FLAGS=-D_REENTRANT;;
*aix*)
PTHREAD_FLAGS=-D_THREAD_SAFE;;
*irix*)
PTHREAD_FLAGS=-D_POSIX_THREAD_SAFE_FUNCTIONS;;
*hpux*)
PTHREAD_FLAGS=-D_REENTRANT;;
*sco*)
PTHREAD_FLAGS=-D_REENTRANT;;
esac
if test -n "$PTHREAD_FLAGS"; then
CPPFLAGS="$CPPFLAGS $PTHREAD_FLAGS"
fi
])AC_DEFUN([PTHREADS_CHECK_COMPILE], [
AC_TRY_RUN( [
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
case $host_alias in
*netware*)
pthreads_working=yes
esac
]
) ] )AC_DEFUN([PTHREADS_CHECK],[
if test "$beos_threads" = "1"; then
pthreads_working="yes"
ac_cv_pthreads_cflags=""
else
save_CFLAGS=$CFLAGS
save_LIBS=$LIBS
PTHREADS_ASSIGN_VARS
PTHREADS_CHECK_COMPILE
LIBS=$save_LIBS
CFLAGS=$save_CFLAGS
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 "$pthreads_working" = "yes"; then
ac_cv_pthreads_cflags=$flag
break
fi
done
fi
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_working" = "yes"; then
ac_cv_pthreads_lib=$lib
break
fi
done
fi
])
if test "$pthreads_working" = "yes"; then
threads_result="POSIX-Threads found"
else
threads_result="POSIX-Threads not found"
fi
])AC_DEFUN([PTHREADS_ASSIGN_VARS],[
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
])