diff options
| -rw-r--r-- | Modules/Platform/Windows-Clang.cmake | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Modules/Platform/Windows-Clang.cmake b/Modules/Platform/Windows-Clang.cmake index 1c32018..c4d6fd8 100644 --- a/Modules/Platform/Windows-Clang.cmake +++ b/Modules/Platform/Windows-Clang.cmake @@ -56,7 +56,12 @@ macro(__windows_compiler_clang_gnu lang) set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_LIBRARIES 1) set(CMAKE_${lang}_USE_RESPONSE_FILE_FOR_INCLUDES 1) - set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto") + if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 3.9) + set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto=thin") + else() + set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto") + endif() + set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES) set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES) set(CMAKE_${lang}_ARCHIVE_CREATE_IPO "<CMAKE_AR> qc <TARGET> <LINK_FLAGS> <OBJECTS>") |