Fix LTO builds with Clang (#815)

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Nadia Holmquist Pedersen 2020-11-14 13:29:47 +01:00 committed by GitHub
parent d697f9e0d2
commit 1b0a24a9bd
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@ -65,17 +65,19 @@ if (CMAKE_BUILD_TYPE STREQUAL Release)
add_link_options(-s)
endif()
add_link_options(-no-pie)
if (ENABLE_LTO)
add_compile_options(-flto)
add_link_options(-flto)
set(CMAKE_AR "gcc-ar")
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> qcs <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_C_ARCHIVE_FINISH true)
set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> qcs <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_CXX_ARCHIVE_FINISH true)
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
set(CMAKE_AR "gcc-ar")
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> qcs <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_C_ARCHIVE_FINISH true)
set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> qcs <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_CXX_ARCHIVE_FINISH true)
elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
set(CMAKE_AR "llvm-ar")
endif()
endif()
option(BUILD_QT_SDL "Build Qt/SDL frontend" ON)