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Upsream-PR: https://github.com/Ettercap/ettercap/pull/1220
Uptream-Commit: https://github.com/Ettercap/ettercap/commit/f03a1174ffccf9343423498fa3c65bd9090d4ce0
Bug: https://bugs.gentoo.org/897820
From 3ef51159d4e2cea97accb87af08943333fbefb04 Mon Sep 17 00:00:00 2001
From: Gianfranco Costamagna <costamagnagianfranco@yahoo.it>
Date: Fri, 3 Mar 2023 21:27:14 +0100
Subject: [PATCH] Define _GNU_SOURCE to make sure memmem is found when musl
library is used. This fixes issue: #1219
Thanks Sam James for the suggestion!
---
include/ec.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/ec.h b/include/ec.h
index fbf048111..561062c2f 100644
--- a/include/ec.h
+++ b/include/ec.h
@@ -21,6 +21,9 @@
#if !defined (__USE_GNU) /* for memmem(), strsignal(), etc etc... */
#define __USE_GNU
#endif
+#if !defined (_GNU_SOURCE) /* for memmem(), strsignal(), etc etc... on musl */
+ #define _GNU_SOURCE
+#endif
#ifdef OS_SOLARIS
#define _REENTRANT /* for strtok_r() */
#endif
@@ -28,6 +31,9 @@
#if defined (__USE_GNU)
#undef __USE_GNU
#endif
+#if defined (_GNU_SOURCE)
+ #undef _GNU_SOURCE
+#endif
#include <strings.h>
#include <unistd.h>
#include <time.h>
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