mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-28 02:56:36 -04:00
Matthew Stanley
30 lines
1.3 KiB
CMake
30 lines
1.3 KiB
CMake
include_guard(GLOBAL)
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option(PSX_RUNTIME_IPO
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"Experimental IPO/LTO for optimized runtime targets (requires supported C/C++ toolchain)"
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OFF)
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function(psxrecomp_apply_runtime_ipo target)
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# OFF must not alter a parent project's explicit IPO policy or add flags.
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if(NOT PSX_RUNTIME_IPO)
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return()
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endif()
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include(CheckIPOSupported)
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check_ipo_supported(RESULT _psx_ipo_ok OUTPUT _psx_ipo_error LANGUAGES C CXX)
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if(NOT _psx_ipo_ok)
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message(FATAL_ERROR
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"PSX_RUNTIME_IPO=ON was requested, but C/C++ IPO is unsupported.\n"
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"Use a compatible compiler/linker or configure PSX_RUNTIME_IPO=OFF.\n"
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"${_psx_ipo_error}")
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endif()
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# Target/configuration-scoped: do not silently enable IPO in third-party
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# libraries, build helpers, Debug, or custom configurations.
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set_property(TARGET ${target} PROPERTY INTERPROCEDURAL_OPTIMIZATION FALSE)
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set_property(TARGET ${target} PROPERTY INTERPROCEDURAL_OPTIMIZATION_DEBUG FALSE)
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foreach(_psx_ipo_config RELEASE RELWITHDEBINFO MINSIZEREL)
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set_property(TARGET ${target}
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PROPERTY INTERPROCEDURAL_OPTIMIZATION_${_psx_ipo_config} TRUE)
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endforeach()
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message(STATUS "psxrecomp: experimental runtime IPO enabled for ${target} (optimized configurations)")
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endfunction()
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