commit d894739c2e6b8e3457f74b67e89ad740c49d6ffc
author Willy Tarreau <w@1wt.eu> Mon Sep 13 09:30:09 2021 +0200
committer Christopher Faulet <cfaulet@haproxy.com> Thu Sep 23 17:20:17 2021 +0200
tree 3ecae207f9d715ada725acd8d5aaee94ce2b7381
parent 8e8ec556f329c11c07082071567a0ff7d44373d3

BUILD: compiler: fixed a missing test on  defined(__GNUC__)

This one could theoretically trigger -Wundef on non-gcc compatible
compilers if DEBUG_USE_ABORT is not set.

(cherry picked from commit 8ac6597cbed48d8d727eb59427713099f815ccbb)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>

include/haproxy/compiler.h

diff --git a/include/haproxy/compiler.h b/include/haproxy/compiler.h
index 1f0c40d..352da8e 100644
--- a/include/haproxy/compiler.h
+++ b/include/haproxy/compiler.h
@@ -102,7 +102,7 @@
 #ifdef DEBUG_USE_ABORT
 #define my_unreachable() abort()
 #else
-#if __GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
+#if defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5))
 #define my_unreachable() __builtin_unreachable()
 #else
 #define my_unreachable()