From 9ec240e03fb81f9d9476cf413556ede2c8a6092b Mon Sep 17 00:00:00 2001
From: Thiago de Arruda <tpadilha84@gmail.com>
Date: Sat, 29 Aug 2015 09:19:54 -0300
Subject: build: Disable gcov on TSAN builds

It seems GCOV does not play well with TSAN as it reports false data races
---
 .travis.yml             | 2 +-
 src/nvim/CMakeLists.txt | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index f9b0026c1f..5f88e209fc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -79,7 +79,7 @@ matrix:
       env: GCOV=llvm-cov-3.6 CLANG_SANITIZER=MSAN
     - os: linux
       compiler: clang-3.6
-      env: GCOV=llvm-cov-3.6 CLANG_SANITIZER=TSAN
+      env: CLANG_SANITIZER=TSAN
     - os: osx
       compiler: clang
       env: GCOV=gcov
diff --git a/src/nvim/CMakeLists.txt b/src/nvim/CMakeLists.txt
index 5e547ed290..ba08ed1c82 100644
--- a/src/nvim/CMakeLists.txt
+++ b/src/nvim/CMakeLists.txt
@@ -2,12 +2,15 @@ include(CheckLibraryExists)
 
 option(USE_GCOV "Enable gcov support" OFF)
 
+if(NOT CLANG_TSAN)
+# GCOV and TSAN results in false data race reports
 if(USE_GCOV)
   message(STATUS "Enabling gcov support")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --coverage")
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
   set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --coverage")
 endif()
+endif()
 
 set(GENERATED_DIR ${PROJECT_BINARY_DIR}/src/nvim/auto)
 set(DISPATCH_GENERATOR ${PROJECT_SOURCE_DIR}/scripts/msgpack-gen.lua)
-- 
cgit