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# Copyright 1999-2022 Gentoo Authors
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# Copyright 1999-2023 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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EAPI=8
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CMAKE_REMOVE_MODULES_LIST="FindFreetype FindDoxygen FindZLIB"
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CMAKE_REMOVE_MODULES_LIST=( FindFreetype FindDoxygen FindZLIB )
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inherit cmake
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inherit cmake flag-o-matic
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MY_PN="${PN}-next"
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MY_P="${MY_PN}-${PV}"
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IMGUI_PN="imgui"
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IMGUI_PV="1.87"
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IMGUI_P="${IMGUI_PN}-${IMGUI_PV}"
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DESCRIPTION="Object-oriented Graphics Rendering Engine"
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HOMEPAGE="https://www.ogre3d.org/"
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SRC_URI="https://github.com/OGRECave/${MY_PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
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SRC_URI="https://github.com/OGRECave/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz
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https://github.com/ocornut/${IMGUI_PN}/archive/v${IMGUI_PV}.tar.gz -> ${IMGUI_P}.tar.gz"
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LICENSE="MIT public-domain"
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SLOT="0/2.1"
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KEYWORDS="~amd64 ~x86"
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SLOT="0/13.6"
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KEYWORDS="~amd64 ~arm ~x86"
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IUSE="+cache debug doc double-precision egl examples fine-granularity +freeimage json
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legacy-animations +opengl profile tools"
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IUSE="assimp bullet +cache cg debug deprecated doc double-precision egl examples +freeimage
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json +opengl pch profile resman-pedantic tools"
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# USE flags that do not work, as their options aren't ported, yet.
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# cg
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# gles2
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# mobile
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# Note: gles2 USE flag taken out for now, as even the configuration seems to be broken
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# ~~sed 2022-12-13 (sven@eden-worx.com)
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#
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# Note: The following dependencies might be considered for new ebuilds
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# + Vulkan SDK: Vulkan RenderSystem, glslang Plugin. Alternatively use system packages <https://vulkan.lunarg.com/>
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#
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# Note: Without gles2 USE flag, the opengl USE flag is next to useless. But
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# there are packages which enforce it, so it has to stay.
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#
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REQUIRED_USE="
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examples? ( opengl )
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"
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RESTRICT="test" #139905
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RDEPEND="
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dev-games/ois
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dev-libs/pugixml
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dev-libs/zziplib
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media-libs/freetype:2
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x11-libs/libX11
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x11-libs/libXaw
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x11-libs/libXrandr
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x11-libs/libXt
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assimp? ( media-libs/assimp:= )
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bullet? ( sci-physics/bullet:= )
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cg? ( media-gfx/nvidia-cg-toolkit )
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egl? ( media-libs/mesa[egl(+)] )
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freeimage? ( media-libs/freeimage )
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json? ( dev-libs/rapidjson )
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)
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tools? ( dev-libs/tinyxml[stl] )
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"
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# Dependencies for USE flags that do not work, yet.
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# cg? ( media-gfx/nvidia-cg-toolkit )
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# gles2? ( media-libs/mesa[gles2] )
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DEPEND="
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${RDEPEND}
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x11-base/xorg-proto
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"
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PATCHES=(
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"${FILESDIR}/${PN}-2.1-samples.patch"
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"${FILESDIR}/${PN}-2.1-resource_path.patch"
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"${FILESDIR}/${PN}-2.1-media_path.patch"
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"${FILESDIR}/${PN}-2.1-enhance_config_loading.patch"
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"${FILESDIR}/${PN}-2.1-fix_opengl_search.patch"
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"${FILESDIR}/${PN}-2.1-fix_compilation_issues.patch"
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"${FILESDIR}/${PN}-2.1-fix_warnings.patch"
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"${FILESDIR}/${PN}-2.1-d1c1116.patch"
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"${FILESDIR}"/${PN}-13.5.3-media_path.patch
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"${FILESDIR}"/${PN}-13.5.3-resource_path.patch
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"${FILESDIR}"/${PN}-13.5.3-gentoolize_imgui_inclusion.patch
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"${FILESDIR}"/${PN}-1.10.12-use_system_tinyxml.patch
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)
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S=${WORKDIR}/${MY_P}
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src_unpack() {
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unpack ${P}.tar.gz || die "Unpacking ${P}.zip failed"
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# Ogre includes imgui, but as a manual download done by Components/Overlay/CMakeLists.txt
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# That may fail and so we are doing it ourselves.
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cd "${S}" || die "Unpack incomplete"
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unpack ${IMGUI_P}.tar.gz || die "Unpacking ${IMGUI_P}.zip failed"
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}
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src_prepare() {
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local broken_png=(
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Icon@2x-72.png
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Default-Portrait~ipad.png
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Default-Portrait@2x~ipad.png
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Default-Landscape@2x~ipad.png
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)
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sed -i \
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-e "s:share/OGRE/docs:share/doc/${PF}:" \
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-e "s:share/doc/OGRE:share/doc/${PF}:" \
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Docs/CMakeLists.txt || die
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# In this series, the CMAKE_BUILD_TARGET is hard-wired to the
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# installation. And only Release, Debug, MinSizeRel and RelWithDebInfo
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# installation. And only Debug, MinSizeRel and RelWithDebInfo
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# are supported.
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sed -i \
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-e "s/$(usex debug Debug Release)/Gentoo/g" \
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CMake/Utils/OgreConfigTargets.cmake \
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|| die
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# Fix broken png files
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einfo "Fixing broken png files."
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pushd "${S}"/Samples/Common/misc 1>/dev/null 2>&1
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for png in "${broken_png[@]}"; do
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pngfix -q --out=out.png ${png}
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mv -f out.png "${png}" || die
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done
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popd 1>/dev/null 2>&1
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einfo "done ..."
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# Fix some path issues
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cmake_src_prepare
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}
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src_configure() {
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local mycmakeargs=(
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-DOGRE_BUILD_COMPONENT_HLMS_PBS=yes
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-DOGRE_BUILD_COMPONENT_HLMS_PBS_MOBILE=no
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-DOGRE_BUILD_COMPONENT_HLMS_UNLIT=yes
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-DOGRE_BUILD_COMPONENT_HLMS_UNLIT_MOBILE=no
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-DOGRE_BUILD_COMPONENT_PLANAR_REFLECTIONS=yes
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-DOGRE_BUILD_COMPONENT_SCENE_FORMAT=yes
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-DOGRE_BUILD_PLATFORM_NACL=no
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-DCMAKE_SKIP_INSTALL_RPATH=yes
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-DOGRE_ASSERT_MODE=1
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-DOGRE_BUILD_COMPONENT_BITES=yes
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-DOGRE_BUILD_COMPONENT_BULLET=$(usex bullet)
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-DOGRE_BUILD_COMPONENT_CSHARP=no
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-DOGRE_BUILD_COMPONENT_JAVA=no
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-DOGRE_BUILD_COMPONENT_OVERLAY=yes
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-DOGRE_BUILD_COMPONENT_OVERLAY_IMGUI=yes
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-DOGRE_BUILD_COMPONENT_PAGING=yes
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-DOGRE_BUILD_COMPONENT_PROPERTY=yes
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-DOGRE_BUILD_COMPONENT_PYTHON=no
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-DOGRE_BUILD_COMPONENT_RTSHADERSYSTEM=yes
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-DOGRE_BUILD_COMPONENT_TERRAIN=yes
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-DOGRE_BUILD_COMPONENT_VOLUME=yes
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-DOGRE_BUILD_DEPENDENCIES=no
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-DOGRE_BUILD_PLUGIN_ASSIMP=$(usex assimp)
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-DOGRE_BUILD_PLUGIN_CG=$(usex cg)
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-DOGRE_BUILD_PLUGIN_FREEIMAGE=$(usex freeimage)
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-DOGRE_BUILD_PLUGIN_EXRCODEC=no
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-DOGRE_BUILD_RENDERSYSTEM_GL=$(usex opengl)
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-DOGRE_BUILD_RENDERSYSTEM_GL3PLUS=$(usex opengl)
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-DOGRE_BUILD_RENDERSYSTEM_GLES2=no
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-DOGRE_BUILD_SAMPLES2=$(usex examples)
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-DOGRE_BUILD_TESTS=$(usex debug)
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-DOGRE_BUILD_SAMPLES=$(usex examples)
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-DOGRE_BUILD_TESTS=no
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-DOGRE_BUILD_TOOLS=$(usex tools)
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-DOGRE_CONFIG_ALLOCATOR=$(usex debug 5 1)
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-DOGRE_CONFIG_ENABLE_FINE_LIGHT_MASK_GRANULARITY=$(usex fine-granularity)
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-DOGRE_CONFIG_ENABLE_FREEIMAGE=$(usex freeimage)
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-DOGRE_CONFIG_DOUBLE=$(usex double-precision)
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-DOGRE_CONFIG_ENABLE_GL_STATE_CACHE_SUPPORT=$(usex cache)
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-DOGRE_CONFIG_ENABLE_JSON=$(usex json)
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-DOGRE_CONFIG_MEMTRACK_DEBUG=$(usex debug)
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-DOGRE_CONFIG_MEMTRACK_RELEASE=no
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-DOGRE_CONFIG_THREADS=0
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-DOGRE_CONFIG_ENABLE_GLES2_CG_SUPPORT=no
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-DOGRE_CONFIG_ENABLE_GLES3_SUPPORT=no
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-DOGRE_CONFIG_THREADS=3
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-DOGRE_CONFIG_THREAD_PROVIDER=std
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-DOGRE_FULL_RPATH=no
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-DOGRE_ENABLE_PRECOMPILED_HEADERS=$(usex pch)
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-DOGRE_GLSUPPORT_USE_EGL=$(usex egl)
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-DOGRE_INSTALL_DOCS=$(usex doc)
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-DOGRE_INSTALL_SAMPLES=$(usex examples)
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-DOGRE_INSTALL_SAMPLES_SOURCE=$(usex examples)
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-DOGRE_LEGACY_ANIMATIONS=$(usex legacy-animations)
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-DOGRE_PROFILING_PROVIDER=$(usex profile none internal)
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-DOGRE_USE_BOOST=no
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-DOGRE_CONFIG_DOUBLE=$(usex double-precision)
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-DOGRE_SIMD_NEON=$(usex double-precision no yes)
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-DOGRE_SIMD_SSE2=$(usex double-precision no yes)
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-DOGRE_NODELESS_POSITIONING=$(usex deprecated)
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-DOGRE_PROFILING=$(usex profile)
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-DOGRE_RESOURCEMANAGER_STRICT=$(usex resman-pedantic 1 2)
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)
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# GLES2 is not supported, yet
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# -DOGRE_BUILD_COMPONENT_HLMS_PBS=$( usex mobile no yes)
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# -DOGRE_BUILD_COMPONENT_HLMS_PBS_MOBILE=$( usex mobile)
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# -DOGRE_BUILD_COMPONENT_HLMS_UNLIT=$( usex mobile no yes)
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# -DOGRE_BUILD_COMPONENT_HLMS_UNLIT_MOBILE=$(usex mobile)
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# -DOGRE_BUILD_RENDERSYSTEM_GLES2=$(usex gles2)
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# The CgFxScriptLoader doesn't seem to be completely ported, yet.
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# USE flag disabled.
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mycmakeargs+=(
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-DOGRE_BUILD_PLUGIN_CG=no
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)
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cmake_src_configure
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}
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# These components are off by default, as they might not be ported, yet.
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# When advancing to a newer commit, try whether any of the disabled
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# components can be activated now.
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mycmakeargs+=(
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-DOGRE_BUILD_COMPONENT_PAGING=no
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-DOGRE_BUILD_COMPONENT_PROPERTY=no
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-DOGRE_BUILD_COMPONENT_RTSHADERSYSTEM=no
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-DOGRE_BUILD_RTSHADERSYSTEM_CORE_SHADERS=no
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-DOGRE_BUILD_RTSHADERSYSTEM_EXT_SHADERS=no
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-DOGRE_BUILD_COMPONENT_TERRAIN=no
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-DOGRE_BUILD_COMPONENT_VOLUME=no
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)
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src_compile() {
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cmake_src_compile
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# In Release builds the system moans about unknown flags. Lets help!
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if use debug; then
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append-flags -DOGRE_DEBUG_MODE=1 -DDEBUG=1 -D_DEBUG=1
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else
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append-flags -DOGRE_DEBUG_MODE=0
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if use doc ; then
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eninja -C "${BUILD_DIR}" OgreDoc
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fi
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# Take out the warning about deprecated copy, as Ogre emits thousands of
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# those. But using a deprecated way of doing things isn't an error and
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# mainly of interest for developers.
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# (The warning is part of -Wextra and only effects C++ compilation.)
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append-cxxflags $(test-flags-CXX -Wno-deprecated-copy)
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# The same with the old ways of using memset(0...) on objects. It is
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# no longer assumed to be a good idea, but a warning about it isn't
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# of any value to the user. (And it happens many times in Ogre.)
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append-cxxflags $(test-flags-CXX -Wno-class-memaccess)
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cmake_src_configure
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}
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src_install() {
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# plugins and resources are the main configuration
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insinto "${CONFIGDIR}"
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doins "${BUILD_DIR}"/bin/plugins.cfg
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doins "${BUILD_DIR}"/bin/plugins_tools.cfg
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doins "${BUILD_DIR}"/bin/resources.cfg
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doins "${BUILD_DIR}"/bin/resources2.cfg
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dosym "${CONFIGDIR}"/plugins.cfg "${SHAREDIR}"/plugins.cfg
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dosym "${CONFIGDIR}"/plugins_tools.cfg "${SHAREDIR}"/plugins_tools.cfg
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dosym "${CONFIGDIR}"/resources.cfg "${SHAREDIR}"/resources.cfg
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dosym "${CONFIGDIR}"/resources2.cfg "${SHAREDIR}"/resources2.cfg
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# These are only for the Samples
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# These are only for the sample browser
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if use examples ; then
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insinto "${SHAREDIR}"
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doins "${BUILD_DIR}"/bin/samples.cfg
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fi
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}
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pkg_postinst() {
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elog "If you experience crashes when starting /usr/bin/SampleBrowser,"
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elog "remove the cache directory at:"
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elog " '~/.cache/OGRE Sample Browser'"
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elog "first, before filing a bug report."
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}
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