Ticket #12230: macports-pthreadlibs.patch

foundation.m4

@@ -110 +110 @@
         # Test if pthreads are required to link against
         # libobjc - this is the case on FreeBSD.
 
+        if test x"${PTHREAD_LIBS}" = x; then
+                # Make sure that PTHREAD_LIBS has been set
+                AC_CHECK_LIB(pthread, pthread_attr_init, PTHREAD_LIBS="-lpthread")
+        fi
         AC_MSG_CHECKING([if linking libobjc requires pthreads])
         AC_CACHE_VAL(mp_cv_objc_req_pthread, [
                 # First, test if objc links without pthreads