Debug 2

Author: mcbarton

cmake/modules/GoogleTest.cmake

@@ -18,7 +18,7 @@ if(WIN32)
 elseif(APPLE)
   set(EXTRA_GTEST_OPTS -DCMAKE_OSX_SYSROOT=${CMAKE_OSX_SYSROOT})
   message(STATUS "CMAKE_CXX_FLAGS= ${CMAKE_CXX_FLAGS}")
-  set(${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS} -Wc++17-attribute-extensions=0)
+  set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} -Wc++17-attribute-extensions=0)
   message(STATUS "CMAKE_CXX_FLAGS= ${CMAKE_CXX_FLAGS}")
 endif()