From: Evgeny Vereshchagin <evvers@ya.ru>
Date: Sun, 2 Dec 2018 07:28:24 +0000 (+0100)
Subject: util-lib: introduce HAS_FEATURE_ADDRESS_SANITIZER
X-Git-Tag: v240~148^2~5
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=289acab951c5937fdf6d3a2666f411fd66dd20e5;p=thirdparty%2Fsystemd.git

util-lib: introduce HAS_FEATURE_ADDRESS_SANITIZER

https://clang.llvm.org/docs/AddressSanitizer.html#conditional-compilation-with-has-feature-address-sanitizer
---

diff --git a/src/basic/macro.h b/src/basic/macro.h
index f8a8145de59..42ee753532e 100644
--- a/src/basic/macro.h
+++ b/src/basic/macro.h
@@ -60,6 +60,17 @@
 #  endif
 #endif
 
+#if !defined(HAS_FEATURE_ADDRESS_SANITIZER)
+#  if defined(__has_feature)
+#    if __has_feature(address_sanitizer)
+#      define HAS_FEATURE_ADDRESS_SANITIZER 1
+#    endif
+#  endif
+#  if !defined(HAS_FEATURE_ADDRESS_SANITIZER)
+#    define HAS_FEATURE_ADDRESS_SANITIZER 0
+#  endif
+#endif
+
 /* Temporarily disable some warnings */
 #define DISABLE_WARNING_FORMAT_NONLITERAL                               \
         _Pragma("GCC diagnostic push");                                 \