From adbb92561576ab614c79b60cc301e6ba6e7a7cb3 Mon Sep 17 00:00:00 2001
From: Lukas Mai <l.mai@web.de>
Date: Tue, 2 Dec 2014 00:05:50 +0100
Subject: [PATCH] static_assert workaround for AIX/xlc

---
 perl.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/perl.h b/perl.h
index 55918d0..0c8963f 100644
--- a/perl.h
+++ b/perl.h
@@ -3504,10 +3504,12 @@ typedef pthread_key_t	perl_key;
 /* placeholder */
 #endif
 
-#if defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)
 /* static_assert is a macro defined in <assert.h> in C11 or a compiler
    builtin in C++11.
 */
+#if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) \
+    && (!defined(__IBMC__) || __IBMC__ >= 1210)
+    /* IBM XL C V11 does not support _Static_assert, no matter what <assert.h> says */
 #  define STATIC_ASSERT_GLOBAL(COND) static_assert(COND, #COND)
 #else
 /* We use a bit-field instead of an array because gcc accepts
-- 
2.1.3