From: Vladimír Čunát <vladimir.cunat@nic.cz>
Date: Mon, 4 Mar 2019 16:31:09 +0000 (+0100)
Subject: lib/defines: guard against a bad combination of CFLAGS
X-Git-Tag: v4.0.0~24^2~25
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5a070da30297164fe4e0609bf325ee85126e0821;p=thirdparty%2Fknot-resolver.git

lib/defines: guard against a bad combination of CFLAGS
---

diff --git a/lib/defines.h b/lib/defines.h
index 84da059e3..37750c59a 100644
--- a/lib/defines.h
+++ b/lib/defines.h
@@ -99,4 +99,10 @@ void __asan_unpoison_memory_region(void const volatile *addr, size_t size);
 #define kr_asan_custom_poison(fn, addr)
 #define kr_asan_custom_unpoison(fn, addr)
 #endif
+
+#if defined(__SANITIZE_ADDRESS__) && defined(_FORTIFY_SOURCE)
+	#error "You can't use address sanitizer with _FORTIFY_SOURCE"
+	// https://github.com/google/sanitizers/issues/247
+#endif
+
 /* @endcond */