Define _GNU_SOURCE to fix the GNU/kFreeBSD build.

Author: Petr Salinger <Petr.Salinger@seznam.cz>
Closes: #401168

diff --git a/libguile/fports.c b/libguile/fports.c
index 1348b8b..3ac3ced 100644 (file)
--- a/libguile/fports.c
+++ b/libguile/fports.c
@@ -20,6 +20,7 @@
 
 \f
 #define _LARGEFILE64_SOURCE      /* ask for stat64 etc */
+#define _GNU_SOURCE              /* ask for LONG_LONG_MAX/LONG_LONG_MIN */
 
 #ifdef HAVE_CONFIG_H
 #  include <config.h>