mirror of https://github.com/OpenRCT2/OpenRCT2.git
35 lines
1.4 KiB
CMake
35 lines
1.4 KiB
CMake
# Helpers for inter-procedural optimizations (IPO)
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option(DISABLE_IPO "Disable IPO in supported release builds." OFF)
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# Enabled IPO for a LIST of CMake build types.
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# Provides IPO_BUILD_ENABLED to the parent scope.
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# Make sure to supply the build types in UPPER CASE
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function(ipo_enable IPO_ENABLED_BUILDS)
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include(CheckIPOSupported)
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check_ipo_supported(RESULT IPO_SUPPORTED OUTPUT IPO_LOG)
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set(IPO_BUILD_ENABLED OFF PARENT_SCOPE)
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string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UPPER)
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if(NOT CMAKE_BUILD_TYPE)
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message(STATUS "CMAKE_BUILD_TYPE not explicitly set. Not enabling IPO.")
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elseif(IPO_SUPPORTED AND ${CMAKE_BUILD_TYPE_UPPER} IN_LIST IPO_ENABLED_BUILDS)
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if(NOT DISABLE_IPO)
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message(STATUS "IPO supported and enabled in ${CMAKE_BUILD_TYPE}.")
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set(IPO_BUILD_ENABLED ON PARENT_SCOPE)
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else()
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message(STATUS "IPO explicitly disabled.")
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endif()
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elseif(NOT IPO_SUPPORTED AND ${CMAKE_BUILD_TYPE_UPPER} IN_LIST IPO_ENABLED_BUILDS)
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message(STATUS "IPO not supported: ${IPO_LOG}.")
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endif()
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endfunction()
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# Sets appropriate IPO properties on target _target
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# if IPO is supported and enabled for the current build.
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function(ipo_set_target_properties _target)
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if(IPO_BUILD_ENABLED)
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set_property(TARGET ${_target} PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
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endif()
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endfunction()
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