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-rw-r--r--cmake/Modules/GrMiscUtils.cmake12
1 files changed, 7 insertions, 5 deletions
diff --git a/cmake/Modules/GrMiscUtils.cmake b/cmake/Modules/GrMiscUtils.cmake
index 69eae0e4fd..188c40480b 100644
--- a/cmake/Modules/GrMiscUtils.cmake
+++ b/cmake/Modules/GrMiscUtils.cmake
@@ -94,11 +94,13 @@ macro(GR_ADD_CXX_COMPILER_FLAG_IF_AVAILABLE flag have)
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG(${flag} ${have})
if(${have})
- STRING(FIND "${CMAKE_CXX_FLAGS}" "${flag}" flag_dup)
- if(${flag_dup} EQUAL -1)
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}")
- endif(${flag_dup} EQUAL -1)
+ if(${CMAKE_VERSION} VERSION_GREATER "2.8.4")
+ STRING(FIND "${CMAKE_CXX_FLAGS}" "${flag}" flag_dup)
+ if(${flag_dup} EQUAL -1)
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}")
+ endif(${flag_dup} EQUAL -1)
+ endif(${CMAKE_VERSION} VERSION_GREATER "2.8.4")
endif(${have})
endmacro(GR_ADD_CXX_COMPILER_FLAG_IF_AVAILABLE)