The open source OpenXR runtime
build: Add option to use SSE2 on 32-bit x86, and enable by default.
Fixes/works around a float comparison test failure in input transform.
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CMakeLists.txt
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CMakeLists.txt
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# Copyright 2018-2022, Collabora, Ltd.
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# Copyright 2018-2023, Collabora, Ltd.
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# SPDX-License-Identifier: BSL-1.0
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cmake_minimum_required(VERSION 3.10.2)
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option_with_deps(XRT_FEATURE_STEAMVR_PLUGIN "Build SteamVR plugin" DEPENDS "NOT ANDROID")
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option_with_deps(XRT_FEATURE_TRACING "Enable debug tracing on supported platforms" DEFAULT OFF DEPENDS "XRT_HAVE_PERCETTO OR XRT_HAVE_TRACY")
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option_with_deps(XRT_FEATURE_WINDOW_PEEK "Enable a window that displays the content of the HMD on screen" DEPENDS XRT_HAVE_SDL2)
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option(XRT_FEATURE_SSE2 "Build using SSE2 instructions, if building for 32-bit x86" ON)
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if (XRT_FEATURE_SERVICE)
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# Disable the client debug gui by default for out-of-proc -
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CompilerFlags.cmake
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CompilerFlags.cmake
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# Copyright 2018-2021, Collabora, Ltd.
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# Copyright 2018-2023, Collabora, Ltd.
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# SPDX-License-Identifier: BSL-1.0
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if(NOT MSVC)
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)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror=int-conversion")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Wall -Wextra -Wno-unused-parameter")
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# Use effectively ubiquitous SSE2 instead of x87 floating point
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# for increased reliability/consistency
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "[xX]86" AND XRT_FEATURE_SSE2)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse2 -mfpmath=sse")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2 -mfpmath=sse")
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endif()
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endif()
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if(NOT WIN32)