[CMake] Add option for building w/ ThreadSanitizer

CMakeLists.txt

@@ -45,14 +45,15 @@ else()
     set(USE_LIBCXX_default FALSE)
 endif()
 
-option(BUILD_SHARED_LIBS    "Build mutable as a shared library" OFF)
-option(ENABLE_SANITIZERS    "Build mutable with address and UB sanitizers" ON)
-option(ENABLE_SANITY_FIELDS "Build mutable with sanity fields enabled" ON)
-option(USE_LIBCXX           "Use libcxx (aka. libc++), LLVM's new implementation of the C++ standard library, instead of GNU's libstdc++" ${USE_LIBCXX_default})
-option(USE_LLD              "Use LLD, a linker from the LLVM project" ${HAS_LLD})
+option(BUILD_SHARED_LIBS        "Build mutable as a shared library" OFF)
+option(ENABLE_SANITIZERS        "Build mutable with address and UB sanitizers" ON)
+option(ENABLE_THREAD_SANITIZER  "Build mutable with thread sanitizer" OFF)
+option(ENABLE_SANITY_FIELDS     "Build mutable with sanity fields enabled" ON)
+option(USE_LIBCXX               "Use libcxx (aka. libc++), LLVM's new implementation of the C++ standard library, instead of GNU's libstdc++" ${USE_LIBCXX_default})
+option(USE_LLD                  "Use LLD, a linker from the LLVM project" ${HAS_LLD})
 
 # Enable backends
-option(WITH_V8              "Build with the V8-based WebAssembly execution backend." ON)
+option(WITH_V8                  "Build with the V8-based WebAssembly execution backend." ON)
 
 if(${BUILD_SHARED_LIBS})
     set(LIB_TYPE SHARED)
@@ -159,10 +160,18 @@ if(${USE_LLD})
     add_link_options("-fuse-ld=lld")
 endif()
 
+if (${ENABLE_SANITIZERS} AND ${ENABLE_THREAD_SANITIZER})
+    message(SEND_ERROR "ENABLE_SANITIZERS and ENABLE_THREAD_SANITIZER are mutually exclusive.  Cannot combine UBSan and ASan with ThreadSan.")
+endif()
+
 if(${ENABLE_SANITIZERS})
     message("[mutable] Compiling with address and UB sanitizers")
     add_compile_options(-fsanitize=address -fsanitize=undefined -fno-sanitize=vptr -fsanitize-link-c++-runtime)
     add_link_options(-fsanitize=address -fsanitize=undefined -fno-sanitize=vptr -fsanitize-link-c++-runtime)
+elseif(${ENABLE_THREAD_SANITIZER})
+    message("[mutable] Compiling with thread sanitizer")
+    add_compile_options(-fsanitize=thread -fsanitize-link-c++-runtime)
+    add_link_options(-fsanitize=thread -fsanitize-link-c++-runtime)
 endif()
 
 if(${ENABLE_SANITY_FIELDS})