# HG changeset patch
# User Rik <rik@octave.org>
# Date 1459210597 25200
# Node ID f80b46f7d3d8dbf776548a0bf1a0e04b0ea0dafe
# Parent  102b33b53ea466d7e87f4fed51f4b9b7d05b410e
Force linking in libgomp if OpenMP enabled (bug #41699, bug #47372).

* configure.ac: If OpenMP is enabled then force gcc to link in libgomp.

diff -r 102b33b53ea4 -r f80b46f7d3d8 configure.ac
--- a/configure.ac	Mon Mar 28 20:00:37 2016 +1100
+++ b/configure.ac	Mon Mar 28 17:16:37 2016 -0700
@@ -511,6 +511,9 @@
 dnl AX_OPENMP is not empty.
 if test $ENABLE_OPENMP = yes; then
   AC_DEFINE(OCTAVE_ENABLE_OPENMP, 1, [Define if OpenMP is enabled.])
+  if test "$GCC" = yes; then
+    WARN_LDFLAGS="$WARN_LDFLAGS -Wl,--no-as-needed,-lgomp,--as-needed";
+  fi
 fi
 ## Set these for any other tests that may require them.  They will be
 ## reset before output files are generated.