From: Jason Ish <jason.ish@oisf.net>
Date: Mon, 28 Apr 2025 17:18:03 +0000 (-0600)
Subject: misc: only define _GNU_SOURCE if not defined
X-Git-Tag: suricata-8.0.0-rc1~397
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=23eaa65185fcbf498cc429567c1e8c115f094066;p=thirdparty%2Fsuricata.git

misc: only define _GNU_SOURCE if not defined

C++ compilers on Linux (g++, clang++) appear to always define this.
---

diff --git a/src/suricata-common.h b/src/suricata-common.h
index b018c001e3..b134586328 100644
--- a/src/suricata-common.h
+++ b/src/suricata-common.h
@@ -30,7 +30,10 @@
 #define DBG_PERF
 #endif
 
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
+
 #define __USE_GNU
 
 #if defined(__clang_analyzer__)