From: Petr Špaček <petr.spacek@nic.cz>
Date: Tue, 22 Oct 2019 10:40:49 +0000 (+0200)
Subject: doh debug: avoid warning about _GNU_SOURCE redefinition
X-Git-Tag: v4.3.0~8^2~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=413b9790fef2743874078c58bed5aacc48992e64;p=thirdparty%2Fknot-resolver.git

doh debug: avoid warning about _GNU_SOURCE redefinition
---

diff --git a/modules/http/debug_opensslkeylog.c b/modules/http/debug_opensslkeylog.c
index 9ab0426be..9677c9512 100644
--- a/modules/http/debug_opensslkeylog.c
+++ b/modules/http/debug_opensslkeylog.c
@@ -27,7 +27,10 @@
 #   define NO_OPENSSL_102_SUPPORT
 #endif
 
-#define _GNU_SOURCE /* for RTLD_NEXT */
+#ifndef _GNU_SOURCE
+#   define _GNU_SOURCE /* for RTLD_NEXT */
+#endif
+
 #include <dlfcn.h>
 #ifndef NO_OPENSSL_102_SUPPORT
 #   include <openssl/ssl.h>