diff options
| author | Justin Bogner <mail@justinbogner.com> | 2016-02-04 07:28:30 +0000 |
|---|---|---|
| committer | Justin Bogner <mail@justinbogner.com> | 2016-02-04 07:28:30 +0000 |
| commit | e12385bd6a764aed0384ab3b5376030ec4159024 (patch) | |
| tree | 9c601d4a154efe9fdcf03e01f7f5aa76dd3a0de8 /llvm/cmake/modules | |
| parent | d7ccafe35f292401f7e3905d67cf5122fa1bb380 (diff) | |
| download | bcm5719-llvm-e12385bd6a764aed0384ab3b5376030ec4159024.tar.gz bcm5719-llvm-e12385bd6a764aed0384ab3b5376030ec4159024.zip | |
cmake: Add a flag to enable LTO
This adds -DLLVM_ENABLE_LTO, rather than forcing people to manually
add -flto to the various _FLAGS variables.
llvm-svn: 259766
Diffstat (limited to 'llvm/cmake/modules')
| -rw-r--r-- | llvm/cmake/modules/HandleLLVMOptions.cmake | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake index 9b6a590920e..99b23180bbb 100644 --- a/llvm/cmake/modules/HandleLLVMOptions.cmake +++ b/llvm/cmake/modules/HandleLLVMOptions.cmake @@ -656,6 +656,13 @@ append_if(LLVM_BUILD_INSTRUMENTED "-fprofile-instr-generate" CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS) +option(LLVM_ENABLE_LTO "Enable link-time optimization" OFF) +append_if(LLVM_ENABLE_LTO "-flto" + CMAKE_CXX_FLAGS + CMAKE_C_FLAGS + CMAKE_EXE_LINKER_FLAGS + CMAKE_SHARED_LINKER_FLAGS) + # Plugin support # FIXME: Make this configurable. if(WIN32 OR CYGWIN) |
