From: Arnaud Giersch <arnaud.giersch@univ-fcomte.fr>
Date: Mon, 17 Jan 2022 08:52:24 +0000 (+0100)
Subject: Option -Wtsan is not recognized by older gcc.
X-Git-Tag: v3.30~86
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/b8a4fae0590e47ddc92b9fdab95bddb6487c8c74?hp=d4e5297feb8df40f3ccb3782f7cb326a69d58cad

Option -Wtsan is not recognized by older gcc.
---

diff --git a/tools/cmake/Flags.cmake b/tools/cmake/Flags.cmake
index d9124b9a8c..ee800daf08 100644
--- a/tools/cmake/Flags.cmake
+++ b/tools/cmake/Flags.cmake
@@ -246,7 +246,10 @@ endif()
 
 if(enable_thread_sanitizer)
     set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} -fsanitize=thread -fno-omit-frame-pointer -no-pie")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread -fno-omit-frame-pointer -no-pie -Wno-error=tsan")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread -fno-omit-frame-pointer -no-pie")
+    if(CMAKE_COMPILER_IS_GNUCXX AND (NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "12.0")))
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=tsan")
+    endif()
     set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -fsanitize=thread -no-pie")
     try_compile(HAVE_SANITIZER_THREAD ${CMAKE_BINARY_DIR} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_tsan.cpp)
     try_compile(HAVE_SANITIZER_THREAD_FIBER_SUPPORT ${CMAKE_BINARY_DIR} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_tsan.cpp