From: Willy Tarreau <w@1wt.eu>
Date: Tue, 16 Jun 2020 17:14:19 +0000 (+0200)
Subject: MINOR: version: report the presence of the compiler's address sanitizer
X-Git-Tag: v2.2-dev10~34
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7bf484ac91b50bb77dbd901a4df692163287d31f;p=thirdparty%2Fhaproxy.git

MINOR: version: report the presence of the compiler's address sanitizer

Since we've seen clang emit bad code when the address sanitizer is enabled
at -O2, better clearly report it in the version output. It is detected both
for clang and gcc (both tested with and without).
---

diff --git a/src/version.c b/src/version.c
index 135ff8d060..bf67efa763 100644
--- a/src/version.c
+++ b/src/version.c
@@ -14,8 +14,14 @@ char haproxy_version[]      = HAPROXY_VERSION;
 char haproxy_date[]         = HAPROXY_DATE;
 char stats_version_string[] = STATS_VERSION_STRING;
 
+#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
+#define SANITIZE_STRING " with address sanitizer"
+#else
+#define SANITIZE_STRING ""
+#endif
+
 #if defined(__clang_version__)
-REGISTER_BUILD_OPTS("Built with clang compiler version " __clang_version__);
+REGISTER_BUILD_OPTS("Built with clang compiler version " __clang_version__ "" SANITIZE_STRING);
 #elif defined(__VERSION__)
-REGISTER_BUILD_OPTS("Built with gcc compiler version " __VERSION__);
+REGISTER_BUILD_OPTS("Built with gcc compiler version " __VERSION__ "" SANITIZE_STRING);
 #endif