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authorZsolt Parragi <zsolt.parragi@cancellar.hu>2019-07-11 14:55:19 (GMT)
committerZsolt Parragi <zsolt.parragi@cancellar.hu>2019-08-27 18:19:29 (GMT)
commit079b8e29168dc081f37f79f3577a5c0690bb7051 (patch)
treeb991243e9d98af89d4978f669025df8c5cc66182 /Modules/CMakeFindBinUtils.cmake
parent6e3655db2cc8202424e54bdde83e4240eb680cc3 (diff)
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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.
Diffstat (limited to 'Modules/CMakeFindBinUtils.cmake')
-rw-r--r--Modules/CMakeFindBinUtils.cmake18
1 files changed, 17 insertions, 1 deletions
diff --git a/Modules/CMakeFindBinUtils.cmake b/Modules/CMakeFindBinUtils.cmake
index 773ee53..01f9dae 100644
--- a/Modules/CMakeFindBinUtils.cmake
+++ b/Modules/CMakeFindBinUtils.cmake
@@ -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)