Import Geant4 11.1.0.beta source tree

source/externals/ptl/cmake/Modules/PTLSanitize.cmake

@@ -0,0 +1,24 @@
+if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|(Apple)?Clang")
+    set(ptl_sanitize_args "-fsanitize=${PTL_SANITIZER_TYPE}")
+
+    if(NOT ("${PTL_SANITIZER_TYPE}" STREQUAL "thread"))
+        string(
+            APPEND ptl_sanitize_args
+            " -fno-optimize-sibling-calls -fno-omit-frame-pointer -fno-inline-functions")
+    endif()
+else()
+    set(ptl_sanitize_args)
+    message(
+        WARNING
+            "PTL_USE_SANITIZER is ON, but is not supported for compiler '${CMAKE_CXX_COMPILER_ID}"
+        )
+endif()
+
+# We're setting the CXX flags and C flags beacuse they're propagated down independent of
+# build type. Once CMake 3.13 is the minimum, we can use add_{compile,link}_options +
+# genexs instead
+string(APPEND CMAKE_CXX_FLAGS " ${ptl_sanitize_args}")
+string(APPEND CMAKE_C_FLAGS " ${ptl_sanitize_args}")
+string(APPEND CMAKE_EXE_LINKER_FLAGS " ${ptl_sanitize_args}")
+string(APPEND CMAKE_SHARED_LINKER_FLAGS " ${ptl_sanitize_args}")
+string(APPEND CMAKE_MODULE_LINKER_FLAGS " ${ptl_sanitize_args}")