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| author | Carbenium <carbenium@outlook.com> | 2020-07-24 19:00:44 +0200 |
|---|---|---|
| committer | Peter Keresztes Schmidt <carbenium@outlook.com> | 2020-07-25 18:00:20 +0200 |
| commit | 796e2b32e03e7b1a56e44bd4b8988f9156bbb026 (patch) | |
| tree | 3a21e5e798b99a3b9ad58a192305511f64776593 | |
| parent | 7ea33120a03d70aaa856c2c66f183d684131746e (diff) | |
Build: Add WITH_LD_GOLD option to use gold linker on unix
gold is an ELF-only linker which has a better performance
than the default ld.
| -rw-r--r-- | cmake/options.cmake | 4 | ||||
| -rw-r--r-- | cmake/platform/unix/settings.cmake | 13 |
2 files changed, 17 insertions, 0 deletions
diff --git a/cmake/options.cmake b/cmake/options.cmake index e57ca22fb17..0d73085b212 100644 --- a/cmake/options.cmake +++ b/cmake/options.cmake @@ -55,3 +55,7 @@ set(WITH_SOURCE_TREE "hierarchical" CACHE STRING "Build the source tree for I set_property(CACHE WITH_SOURCE_TREE PROPERTY STRINGS no flat hierarchical hierarchical-folders) option(WITHOUT_GIT "Disable the GIT testing routines" 0) option(BUILD_TESTING "Build test suite" 0) + +if(UNIX) + option(USE_LD_GOLD "Use GNU gold linker" 0) +endif() diff --git a/cmake/platform/unix/settings.cmake b/cmake/platform/unix/settings.cmake index 51e0955977f..e86a14944bc 100644 --- a/cmake/platform/unix/settings.cmake +++ b/cmake/platform/unix/settings.cmake @@ -18,6 +18,19 @@ add_custom_target(uninstall ) message(STATUS "UNIX: Created uninstall target") +if(USE_LD_GOLD) + execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION) + if("${LD_VERSION}" MATCHES "GNU gold") + set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold") + set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fuse-ld=gold") + message(STATUS "UNIX: Using GNU gold linker") + else() + message(WARNING "UNIX: GNU gold linker isn't available, using the default system linker") + endif() +else() + message(STATUS "UNIX: Using default system linker") +endif() + message(STATUS "UNIX: Detected compiler: ${CMAKE_C_COMPILER}") if(CMAKE_C_COMPILER MATCHES "gcc" OR CMAKE_C_COMPILER_ID STREQUAL "GNU") include(${CMAKE_SOURCE_DIR}/cmake/compiler/gcc/settings.cmake) |