Don't dump llvm-config --cmakedir output if command fails.
This patch adjusts the out-of-tree CMake configuration so that the stderr output is ignored when an old llvm-config is found that doesn't support --cmakedir. llvm-svn: 291993
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@ -55,7 +55,8 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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execute_process(
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COMMAND ${LLVM_CONFIG_PATH} --cmakedir
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RESULT_VARIABLE HAD_ERROR
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OUTPUT_VARIABLE CONFIG_OUTPUT)
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OUTPUT_VARIABLE CONFIG_OUTPUT
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ERROR_QUIET)
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if(NOT HAD_ERROR)
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string(STRIP "${CONFIG_OUTPUT}" LLVM_CMAKE_PATH)
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else()
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