From 9a1ced27326e86b47306859bf85bd1e8b79090ff Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Thu, 7 Nov 2002 22:09:51 +0000
Subject: [PATCH] Add #define _GNU_SOURCE to work around what seems to be Perl
 5.8.0's problem.  Per recent discussions about plperl failing to build on
 Linux.

---
 src/include/port/linux.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/include/port/linux.h b/src/include/port/linux.h
index c5d58489ba..d4da17da45 100644
--- a/src/include/port/linux.h
+++ b/src/include/port/linux.h
@@ -1,3 +1,9 @@
+/* Force _GNU_SOURCE on; plperl is broken with Perl 5.8.0 otherwise */
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+
 #if defined(__i386__)
 typedef unsigned char slock_t;