Add -fstandalone-debug for Clang Debug builds (#14439)

goedderz · web-flow · commit e01000d31e34 · 2021-08-17T14:10:36.000+02:00
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1052,6 +1052,13 @@ else () # NOT MSVC
   set(CMAKE_CXX_FLAGS_RELEASE        "${NODEBUGINFO_FLAGS} -O3 -fomit-frame-pointer"   CACHE INTERNAL "C++ release flags")
   set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${DEBUGINFO_FLAGS} -O3 -fno-omit-frame-pointer"  CACHE INTERNAL "C++ release with debug info flags")
 
+  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+      # On Darwin -fstandalone-debug is enabled by default, so we don't need
+      # to add it for AppleClang.
+      set(CMAKE_CXX_FLAGS_DEBUG             "${CMAKE_CXX_FLAGS_DEBUG} -fstandalone-debug")
+      set(CMAKE_CXX_FLAGS_RELWITHDEBINFO    "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -fstandalone-debug")
+  endif ()
+
 endif ()
 
 # put together the final flags
