Make CMake util aom_push_var additive.
Change-Id: I949558a3fc716e717e3d0839a6a1ae4684ca7125
diff --git a/build/cmake/compiler_tests.cmake b/build/cmake/compiler_tests.cmake
index c759234..8a73ec8 100644
--- a/build/cmake/compiler_tests.cmake
+++ b/build/cmake/compiler_tests.cmake
@@ -53,8 +53,8 @@
set(AOM_CXX_FAILED_TESTS)
function(aom_push_var var new_value)
- set(SAVED_${var} ${var} PARENT_SCOPE)
- set(${var} ${new_value} PARENT_SCOPE)
+ set(SAVED_${var} ${${var}} PARENT_SCOPE)
+ set(${var} "${${var}} ${new_value}" PARENT_SCOPE)
endfunction ()
function(aom_pop_var var)