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cmake: Add option ENABLE_NATIVE_OPTIMIZATION

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OpenSauce04 2025-03-05 13:28:09 +00:00 committed by OpenSauce
parent 56e96dea6c
commit c024933ec3
1 changed files with 17 additions and 0 deletions
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17
CMakeLists.txt
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@ -90,6 +90,7 @@ option(USE_DISCORD_PRESENCE "Enables Discord Rich Presence" OFF)
# Compile options
CMAKE_DEPENDENT_OPTION(COMPILE_WITH_DWARF "Add DWARF debugging information" ${IS_DEBUG_BUILD} "MINGW" OFF)
option(ENABLE_LTO "Enable link time optimization" ${DEFAULT_ENABLE_LTO})
option(ENABLE_NATIVE_OPTIMIZATION "Enables processor-specific optimizations via -march=native" OFF)
option(CITRA_USE_PRECOMPILED_HEADERS "Use precompiled headers" ON)
option(CITRA_WARNINGS_AS_ERRORS "Enable warnings as errors" ON)
@ -146,6 +147,22 @@ else()
message(STATUS "LTO disabled")
endif()
# Check for march=native support
# =======================================================================
if (ENABLE_NATIVE_OPTIMIZATION)
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
CHECK_C_COMPILER_FLAG("-march=native" C_COMPILER_SUPPORTS_MARCH_NATIVE)
CHECK_CXX_COMPILER_FLAG("-march=native" CXX_COMPILER_SUPPORTS_MARCH_NATIVE)
if (C_COMPILER_SUPPORTS_MARCH_NATIVE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native")
endif()
if (CXX_COMPILER_SUPPORTS_MARCH_NATIVE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif()
endif()
# Sanity check : Check that all submodules are present
# =======================================================================