doh debug: avoid warning about _GNU_SOURCE redefinition

413b9790 · Petr Špaček · Tomas Krizek · fef84777 · 413b9790
Verified Commit 413b9790 authored 5 years ago by Petr Špaček Committed by Tomas Krizek 5 years ago
--- 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>