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[CMAKE] Find ld64 using xcrun
Given similar reasons from r276710, ld64 scrubs DYLD_* environment if called from the shim executable /usr/bin/ld. Add support for finding ld64 via xcrun. This is needed in order to get LIT to have the full path to the ld4 executable. Differential Revision: https://reviews.llvm.org/D22791 rdar://problem/24300926 llvm-svn: 276781
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@ -548,8 +548,19 @@ find_program(GOLD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.gold ld.gold
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set(LLVM_BINUTILS_INCDIR "" CACHE PATH
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set(LLVM_BINUTILS_INCDIR "" CACHE PATH
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"PATH to binutils/include containing plugin-api.h for gold plugin.")
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"PATH to binutils/include containing plugin-api.h for gold plugin.")
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if(APPLE)
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if(CMAKE_HOST_APPLE AND APPLE)
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find_program(LD64_EXECUTABLE NAMES ld DOC "The ld64 linker")
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if(CMAKE_XCRUN)
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execute_process(COMMAND ${CMAKE_XCRUN} -find ld
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OUTPUT_VARIABLE LD64_EXECUTABLE
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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else()
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find_program(LD64_EXECUTABLE NAMES ld DOC "The ld64 linker")
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endif()
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if(LD64_EXECUTABLE)
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set(LD64_EXECUTABLE ${LD64_EXECUTABLE} CACHE PATH "ld64 executable")
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message(STATUS "Found ld64 - ${LD64_EXECUTABLE}")
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endif()
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endif()
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endif()
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include(FindOCaml)
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include(FindOCaml)
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