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build: cmake: use lld or gold as linker if available

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Signed-off-by: Kefu Chai <kefu.chai@scylladb.com>
This commit is contained in:
Kefu Chai
2023-02-21 14:16:22 +08:00
parent 69b1e7651e
commit 867b58c62c
1 changed files with 14 additions and 4 deletions
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18
CMakeLists.txt
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@@ -387,10 +387,20 @@ target_link_libraries(scylla PRIVATE
crypt
xxHash::xxhash)
target_link_libraries(scylla PRIVATE
-Wl,--build-id=sha1 # Force SHA1 build-id generation
# TODO: Use lld linker if it's available, otherwise gold, else bfd
-fuse-ld=lld)
# Force SHA1 build-id generation
set(default_linker_flags "-Wl,--build-id=sha")
include(CheckLinkerFlag)
foreach(linker "lld" "gold")
set(linker_flag "-fuse-ld=${linker}")
check_linker_flag(CXX ${linker_flag} "CXX_LINKER_HAVE_${linker}")
if(CXX_LINKER_HAVE_${linker})
string(APPEND default_linker_flags " ${linker_flag}")
break()
endif()
endforeach()
set(CMAKE_EXE_LINKER_FLAGS "${default_linker_flags}" CACHE INTERNAL "")
# TODO: patch dynamic linker to match configure.py behavior
target_compile_definitions(scylla PRIVATE HAVE_LZ4_COMPRESS_DEFAULT)