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make check for alternate linke more restrictive: also check for linker binary.

This commit is contained in:
Axel Kohlmeyer 2020-08-03 11:36:02 -04:00
parent 729cc81f31
commit d09d40af9d
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GPG Key ID: D9B44E93BF0C375A
1 changed files with 9 additions and 6 deletions
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15
cmake/Modules/Testing.cmake
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@ -23,14 +23,17 @@ if(ENABLE_TESTING)
OR (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang"))
include(CheckCXXCompilerFlag)
set(CMAKE_CUSTOM_LINKER_DEFAULT default)
check_cxx_compiler_flag(-fuse-ld=lld HAVE_LLD_LINKER)
check_cxx_compiler_flag(-fuse-ld=gold HAVE_GOLD_LINKER)
check_cxx_compiler_flag(-fuse-ld=bfd HAVE_BFD_LINKER)
if(HAVE_LLD_LINKER)
check_cxx_compiler_flag(-fuse-ld=lld HAVE_LLD_LINKER_FLAG)
check_cxx_compiler_flag(-fuse-ld=gold HAVE_GOLD_LINKER_FLAG)
check_cxx_compiler_flag(-fuse-ld=bfd HAVE_BFD_LINKER_FLAG)
find_program(HAVE_LLD_LINKER_BIN lld ld.lld)
find_program(HAVE_GOLD_LINKER_BIN ld.gold)
find_program(HAVE_BFD_LINKER_BIN ld.bfd)
if(HAVE_LLD_LINKER_FLAG AND HAVE_LLD_LINKER_BIN)
set(CMAKE_CUSTOM_LINKER_DEFAULT lld)
elseif(HAVE_GOLD_LINKER)
elseif(HAVE_GOLD_LINKER_FLAG AND HAVE_GOLD_LINKER_BIN)
set(CMAKE_CUSTOM_LINKER_DEFAULT gold)
elseif(HAVE_BFD_LINKER)
elseif(HAVE_BFD_LINKER_FLAG AND HAVE_BFD_LINKER_BIN)
set(CMAKE_CUSTOM_LINKER_DEFAULT bfd)
endif()
set(CMAKE_CUSTOM_LINKER_VALUES lld gold bfd default)