1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/lib.h b/src/include/lib.h
index 06ec5756..db0674a3 100644
--- a/src/include/lib.h
+++ b/src/include/lib.h
@@ -18,6 +18,10 @@ You should have received a copy of the GNU General Public License along
 with groff; see the file COPYING.  If not, write to the Free Software
 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 extern "C" {
 #ifndef HAVE_STRERROR
   char *strerror(int);