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config-ix.cmake: Search for CMAKE_XCRUN before using it. 

This was previously searched in CMakeLists.txt unconditionally but as of
r294371 it is only searched in some circumstances. Repeating the search
in config-ix.cmake to make this robust and hopefully fix the macOS
Asan+Ubsan jenkins build.

llvm-svn: 294811
This commit is contained in:
Matthias Braun 2017-02-11 00:14:01 +00:00
parent 027340f3b9
commit 59797eccea
1 changed files with 3 additions and 0 deletions
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llvm/cmake/config-ix.cmake
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@ -546,6 +546,9 @@ set(LLVM_BINUTILS_INCDIR "" CACHE PATH
"PATH to binutils/include containing plugin-api.h for gold plugin.")
if(CMAKE_HOST_APPLE AND APPLE)
if(NOT CMAKE_XCRUN)
find_program(CMAKE_XCRUN NAMES xcrun)
endif()
if(CMAKE_XCRUN)
execute_process(COMMAND ${CMAKE_XCRUN} -find ld
OUTPUT_VARIABLE LD64_EXECUTABLE