Commit 079b8e29 authored by Zsolt Parragi's avatar Zsolt Parragi

Clang: prefer lld-link over link.exe

Objects compiled with -flto can only be linked with the llvm linker.
Before this change, clang-cl only supperted IPO with manual linker
selection.
parent 6e3655db
......@@ -69,7 +69,12 @@ if(("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_SIMULATE_ID}" STREQUAL "xMSVC" AND
OR (CMAKE_GENERATOR MATCHES "Visual Studio"
AND NOT CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android"))
find_program(CMAKE_LINKER NAMES link HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
if("x${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ID}" STREQUAL "xClang")
find_program(CMAKE_NM NAMES ${_CMAKE_TOOLCHAIN_PREFIX}nm llvm-nm HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
set(_CMAKE_ADDITIONAL_LINKER_NAMES "lld-link")
endif()
find_program(CMAKE_LINKER NAMES ${_CMAKE_ADDITIONAL_LINKER_NAMES} link HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
find_program(CMAKE_MT NAMES mt HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
list(APPEND _CMAKE_TOOL_VARS LINKER MT)
......@@ -115,6 +120,17 @@ else()
list(APPEND _CMAKE_TOOL_VARS AR RANLIB STRIP LINKER NM OBJDUMP OBJCOPY READELF DLLTOOL ADDR2LINE)
unset(_CMAKE_ADDITIONAL_AR_NAMES)
unset(_CMAKE_ADDITIONAL_RANLIB_NAMES)
unset(_CMAKE_ADDITIONAL_STRIP_NAMES)
unset(_CMAKE_ADDITIONAL_LINKER_NAMES)
unset(_CMAKE_ADDITIONAL_NM_NAMES)
unset(_CMAKE_ADDITIONAL_OBJDUMP_NAMES)
unset(_CMAKE_ADDITIONAL_OBJCOPY_NAMES)
unset(_CMAKE_ADDITIONAL_READELF_NAMES)
unset(_CMAKE_ADDITIONAL_DLLTOOL_NAMES)
unset(_CMAKE_ADDITIONAL_ADDR2LINE_NAMES)
endif()
if(CMAKE_PLATFORM_HAS_INSTALLNAME)
......
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