Author: vitalybuka
Date: Fri Sep 1 20:53:42 2017
New Revision: 312407
URL: http://llvm.org/viewvc/llvm-project?rev=312407&view=rev
Log:
Don't search libxml2 if using msan. LLVM already has similar check.
Modified:
cfe/trunk/CMakeLists.txt
Modified: cfe/trunk/CMakeLists.txt
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/CMakeLists.txt?rev=312407&r1=312406&r2=312407&view=diff
==============================================================================
--- cfe/trunk/CMakeLists.txt (original)
+++ cfe/trunk/CMakeLists.txt Fri Sep 1 20:53:42 2017
@@ -181,10 +181,14 @@ endif()
# we can include cmake files from this directory.
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
-set (LIBXML2_FOUND 0)
-find_package(LibXml2 2.5.3 QUIET)
-if (LIBXML2_FOUND)
- set(CLANG_HAVE_LIBXML 1)
+# Don't look for libxml if we're using MSan, since uninstrumented third party
+# code may call MSan interceptors like strlen, leading to false positives.
+if(NOT LLVM_USE_SANITIZER MATCHES "Memory.*")
+ set (LIBXML2_FOUND 0)
+ find_package(LibXml2 2.5.3 QUIET)
+ if (LIBXML2_FOUND)
+ set(CLANG_HAVE_LIBXML 1)
+ endif()
endif()
include(CheckIncludeFile)
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