diff options
| -rw-r--r-- | cmake/UseFastestLinker.cmake | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/cmake/UseFastestLinker.cmake b/cmake/UseFastestLinker.cmake index c96639cb..8f392aac 100644 --- a/cmake/UseFastestLinker.cmake +++ b/cmake/UseFastestLinker.cmake @@ -11,20 +11,19 @@ function(use_fastest_linker) message(WARNING "use_fastest_linker() disabled, as it is not called at the project top level") return() endif() - - find_program(FASTER_LINKER ld.lld) - if(NOT FASTER_LINKER) - find_program(FASTER_LINKER ld.gold) - endif() - - if(FASTER_LINKER) - # Note: Compiler flag -fuse-ld requires gcc 9 or clang 3.8. - # Instead override CMAKE_CXX_LINK_EXECUTABLE directly. - # By default CMake uses the compiler executable for linking. - set(CMAKE_CXX_LINK_EXECUTABLE "${FASTER_LINKER} <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>") - message_verbose("Using ${FASTER_LINKER} linker for faster linking") + + find_program(HAS_LD_LLD ld.lld) + if(HAS_LD_LLD) + link_libraries(-fuse-ld=lld) + message_verbose("Using lld linker for faster linking") else() - message_verbose("Using default linker") + find_program(HAS_LD_GOLD ld.gold) + if(HAS_LD_GOLD) + link_libraries(-fuse-ld=gold) + message_verbose("Using gold linker for faster linking") + else() + message_verbose("Using default linker") + endif() endif() endfunction() |