From: Ivan Maidanski <ivmai@mail.ru>
Date: Thu, 23 Mar 2017 06:41:37 +0000 (+0300)
Subject: Fix block_all_signals compilation in 'strict ANSI' mode
X-Git-Tag: v7.4.6~32
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=81459c1075a7c286ae666032cf236edbf962cb76;p=libatomic_ops

Fix block_all_signals compilation in 'strict ANSI' mode

* src/atomic_ops.c [(__linux__ || __GLIBC__ || __GNU__)
&& !AO_USE_NO_SIGNALS] (_GNU_SOURCE): Define (before including system
headers).
---

diff --git a/src/atomic_ops.c b/src/atomic_ops.c
index 30dd21c..c9209a3 100644
--- a/src/atomic_ops.c
+++ b/src/atomic_ops.c
@@ -43,6 +43,11 @@
 # define AO_USE_NO_SIGNALS
 #endif
 
+#if (defined(__linux__) || defined(__GLIBC__) || defined(__GNU__)) \
+    && !defined(AO_USE_NO_SIGNALS) && !defined(_GNU_SOURCE)
+# define _GNU_SOURCE 1
+#endif
+
 #undef AO_REQUIRE_CAS
 #include "atomic_ops.h" /* Without cas emulation! */