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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: 291992
This commit is contained in:
Eric Fiselier 2017-01-14 03:46:05 +00:00
parent 18cfd4d345
commit b703fd32d6
1 changed files with 2 additions and 1 deletions
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3
libunwind/CMakeLists.txt
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@ -49,7 +49,8 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
execute_process(
COMMAND ${LLVM_CONFIG_PATH} --cmakedir
RESULT_VARIABLE HAD_ERROR
OUTPUT_VARIABLE CONFIG_OUTPUT)
OUTPUT_VARIABLE CONFIG_OUTPUT
ERROR_QUIET)
if(NOT HAD_ERROR)
string(STRIP "${CONFIG_OUTPUT}" LLVM_CMAKE_PATH)
else()