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| author | zhou13 <broken.zhou@gmail.com> | 2018-07-22 18:22:14 -0700 |
|---|---|---|
| committer | Justin M. Keyes <justinkz@gmail.com> | 2018-07-23 03:22:14 +0200 |
| commit | c8e7a447c5694e7e2a58f2b112530d896efa30ba (patch) | |
| tree | ca72b62bf9f6ee42f5f100e94b2c0a7545d5476e | |
| parent | 2000b6a64a9c1fe47d07d8441620abceaf545094 (diff) | |
| download | rneovim-c8e7a447c5694e7e2a58f2b112530d896efa30ba.tar.gz rneovim-c8e7a447c5694e7e2a58f2b112530d896efa30ba.tar.bz2 rneovim-c8e7a447c5694e7e2a58f2b112530d896efa30ba.zip | |
build: Enable LTO (Link Time Optimization) #8654
| -rw-r--r-- | CMakeLists.txt | 8 | ||||
| -rw-r--r-- | src/nvim/CMakeLists.txt | 12 |
2 files changed, 20 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 27cc02bd65..3c2e40ab8b 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -85,6 +85,14 @@ endif() option(ENABLE_LIBINTL "enable libintl" ON) option(ENABLE_LIBICONV "enable libiconv" ON) +if (MINGW) + # Disable LTO by default as it may not compile + # See https://github.com/Alexpux/MINGW-packages/issues/3516 + # and https://github.com/neovim/neovim/pull/8654#issuecomment-402316672 + option(ENABLE_LTO "enable link time optimization" OFF) +else() + option(ENABLE_LTO "enable link time optimization" ON) +endif() # Set default build type. if(NOT CMAKE_BUILD_TYPE) diff --git a/src/nvim/CMakeLists.txt b/src/nvim/CMakeLists.txt index 7106f76a6e..b32d54b28e 100644 --- a/src/nvim/CMakeLists.txt +++ b/src/nvim/CMakeLists.txt @@ -399,6 +399,10 @@ if(JEMALLOC_FOUND) list(APPEND NVIM_EXEC_LINK_LIBRARIES ${JEMALLOC_LIBRARIES}) endif() +if(POLICY CMP0069) + cmake_policy(SET CMP0069 NEW) +endif() + add_executable(nvim ${NVIM_GENERATED_FOR_SOURCES} ${NVIM_GENERATED_FOR_HEADERS} ${NVIM_GENERATED_SOURCES} ${NVIM_SOURCES} ${NVIM_HEADERS}) target_link_libraries(nvim ${NVIM_EXEC_LINK_LIBRARIES}) @@ -407,6 +411,14 @@ install_helper(TARGETS nvim) set_property(TARGET nvim APPEND PROPERTY INCLUDE_DIRECTORIES ${LUA_PREFERRED_INCLUDE_DIRS}) +if(ENABLE_LTO AND (POLICY CMP0069)) + include(CheckIPOSupported) + check_ipo_supported(RESULT IPO_SUPPORTED) + if(IPO_SUPPORTED AND (NOT CMAKE_BUILD_TYPE MATCHES Debug)) + set_property(TARGET nvim PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE) + endif() +endif() + if(WIN32) # Copy DLLs and third-party tools to bin/ and install them along with nvim add_custom_target(nvim_runtime_deps ALL |