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-rw-r--r--Tests/Plugin/CMakeLists.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Tests/Plugin/CMakeLists.txt b/Tests/Plugin/CMakeLists.txt
index 49ff317..f52b479 100644
--- a/Tests/Plugin/CMakeLists.txt
+++ b/Tests/Plugin/CMakeLists.txt
@@ -32,7 +32,7 @@ set(CMAKE_CXX_STANDARD 98)
# template support also need a flag to use the newer C++ library.
if (CMAKE_CXX_COMPILER_ID STREQUAL HP AND
CMAKE_CXX98_STANDARD_COMPILE_OPTION STREQUAL "+hpxstd98")
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -AA")
+ string(APPEND CMAKE_CXX_FLAGS " -AA")
endif ()
# Clang/C2 in C++98 mode cannot properly handle some of MSVC headers