commit 1bcd10c557b26f82ed372c794958f4bfc1db0067
author Adam Langley <alangley@gmail.com> Fri Dec 16 10:48:23 2016 -0800
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> Fri Dec 16 19:27:49 2016 +0000
tree 08eff0f8806de23b4476f0dcf8473ce9992443e6
parent 65fb4258114dc30c4cb9c4636b1432214cb40683

Add CMake support for ASAN and MSAN.

This only works with Clang, and MSAN seems to have a false-positive for
me in libstdc++, but it can be helpful to test with these

Change-Id: I068edabcda69c9239ee4f0247f5d8f873dea77bb
Reviewed-on: https://boringssl-review.googlesource.com/12940
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index cb8bb53..c3b697f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -194,6 +194,30 @@
   set(ARCH "x86_64")
 endif()
 
+if (MSAN)
+  if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    message(FATAL_ERROR "Cannot enable MSAN unless using Clang")
+  endif()
+
+  if (ASAN)
+    message(FATAL_ERROR "ASAN and MSAN are mutually exclusive")
+  endif()
+
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer")
+  set(OPENSSL_NO_ASM "1")
+endif()
+
+if (ASAN)
+  if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    message(FATAL_ERROR "Cannot enable ASAN unless using Clang")
+  endif()
+
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
+  set(OPENSSL_NO_ASM "1")
+endif()
+
 if (OPENSSL_NO_ASM)
   add_definitions(-DOPENSSL_NO_ASM)
   set(ARCH "generic")