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# Copyright 1999-2025 Gentoo Authors
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# Copyright 2025-2026 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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inherit cmake-multilib flag-o-matic
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inherit cmake-multilib dot-a
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MY_P="SDL2-${PV}"
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# TODO: switch to new description when non-compat is gone, this is so it is
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# not displayed on packages.gentoo.org which may be confusing for users
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DESCRIPTION="Simple Direct Media Layer"
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#DESCRIPTION="Simple Direct Media Layer 2 compatibility wrapper around SDL3"
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HOMEPAGE="https://www.libsdl.org/"
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SRC_URI="https://www.libsdl.org/release/${MY_P}.tar.gz"
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S="${WORKDIR}/${MY_P}"
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SRC_URI="https://www.libsdl.org/release/sdl2-compat-${PV}.tar.gz"
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S=${WORKDIR}/sdl2-compat-${PV}
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LICENSE="ZLIB"
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SLOT="0"
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KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
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IUSE="alsa aqua cpu_flags_ppc_altivec cpu_flags_x86_3dnow cpu_flags_x86_mmx cpu_flags_x86_sse cpu_flags_x86_sse2 cpu_flags_x86_sse3 custom-cflags dbus doc fcitx gles1 gles2 +haptic ibus jack +joystick kms libsamplerate nas opengl oss pipewire pulseaudio sndio +sound static-libs test udev +video vulkan wayland X xscreensaver"
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RESTRICT="!test? ( test )"
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REQUIRED_USE="
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alsa? ( sound )
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fcitx? ( dbus )
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gles1? ( video )
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gles2? ( video )
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haptic? ( joystick )
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ibus? ( dbus )
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jack? ( sound )
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kms? ( || ( gles1 gles2 opengl ) )
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nas? ( sound )
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opengl? ( video )
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pulseaudio? ( sound )
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sndio? ( sound )
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test? ( static-libs )
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vulkan? ( video )
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wayland? ( gles2 )
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xscreensaver? ( X )
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# unkeyworded for testing
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#KEYWORDS="~amd64"
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# this skips most non-compat libsdl2 former IUSE that are not used by revdeps,
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# albeit it is questionable that some depend on audio alsa/pipewire (note that
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# static-libs is left out because it is useless for static-only builds given
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# it will dlopen the shared libsdl3 anyway)
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#
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# TODO: either update revdeps to have (+) on no-op IUSE (haptic, joystick,
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# sound, and video) then cleanup, or don't for less overlay issues and instead
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# force in profiles to avoid unnecessary rebuilds -- not forced right now given
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# a >=2.32.50 in profile would force for a potential future non-compat 2.34.0
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IUSE="
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X alsa gles2 +haptic +joystick kms opengl pipewire pulseaudio
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+sound test +video vulkan wayland
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"
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REQUIRED_USE="gles2? ( opengl )"
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RESTRICT="!test? ( test )"
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COMMON_DEPEND="
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virtual/libiconv[${MULTILIB_USEDEP}]
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alsa? ( >=media-libs/alsa-lib-1.0.27.2[${MULTILIB_USEDEP}] )
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dbus? ( >=sys-apps/dbus-1.6.18-r1[${MULTILIB_USEDEP}] )
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ibus? ( app-i18n/ibus )
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jack? ( virtual/jack[${MULTILIB_USEDEP}] )
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kms? (
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>=x11-libs/libdrm-2.4.82[${MULTILIB_USEDEP}]
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>=media-libs/mesa-9.0.0[${MULTILIB_USEDEP},gbm(+)]
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)
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libsamplerate? ( media-libs/libsamplerate[${MULTILIB_USEDEP}] )
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nas? (
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>=media-libs/nas-1.9.4[${MULTILIB_USEDEP}]
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>=x11-libs/libXt-1.1.4[${MULTILIB_USEDEP}]
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)
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opengl? (
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>=virtual/opengl-7.0-r1[${MULTILIB_USEDEP}]
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>=virtual/glu-9.0-r1[${MULTILIB_USEDEP}]
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)
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pipewire? ( media-video/pipewire:=[${MULTILIB_USEDEP}] )
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pulseaudio? ( media-libs/libpulse[${MULTILIB_USEDEP}] )
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sndio? ( media-sound/sndio:=[${MULTILIB_USEDEP}] )
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udev? ( >=virtual/libudev-208:=[${MULTILIB_USEDEP}] )
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wayland? (
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>=dev-libs/wayland-1.20[${MULTILIB_USEDEP}]
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gui-libs/libdecor[${MULTILIB_USEDEP}]
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>=media-libs/mesa-9.1.6[${MULTILIB_USEDEP},egl(+),gles2(+),wayland]
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>=x11-libs/libxkbcommon-0.2.0[${MULTILIB_USEDEP}]
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)
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X? (
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>=x11-libs/libX11-1.6.2[${MULTILIB_USEDEP}]
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>=x11-libs/libXcursor-1.1.14[${MULTILIB_USEDEP}]
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>=x11-libs/libXext-1.3.2[${MULTILIB_USEDEP}]
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>=x11-libs/libXfixes-6.0.0[${MULTILIB_USEDEP}]
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>=x11-libs/libXi-1.7.2[${MULTILIB_USEDEP}]
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>=x11-libs/libXrandr-1.4.2[${MULTILIB_USEDEP}]
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xscreensaver? ( >=x11-libs/libXScrnSaver-1.2.2-r1[${MULTILIB_USEDEP}] )
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)
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"
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# libsdl3 is dlopen'ed and USE at build time should not matter except X, it
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# enables everything else but will not work without libsdl3 support at runtime
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RDEPEND="
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${COMMON_DEPEND}
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fcitx? ( app-i18n/fcitx:* )
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gles1? ( media-libs/mesa[${MULTILIB_USEDEP},gles1(+)] )
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gles2? ( media-libs/mesa[${MULTILIB_USEDEP},gles2(+)] )
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vulkan? ( media-libs/vulkan-loader )
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>=media-libs/libsdl3-3.2.12[X?,alsa?,opengl?,pipewire?,pulseaudio?,vulkan?,wayland?,${MULTILIB_USEDEP}]
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"
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DEPEND="
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${COMMON_DEPEND}
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gles1? ( media-libs/libglvnd )
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gles2? ( media-libs/libglvnd )
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ibus? ( dev-libs/glib:2[${MULTILIB_USEDEP}] )
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test? ( x11-libs/libX11[${MULTILIB_USEDEP}] )
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vulkan? ( dev-util/vulkan-headers )
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X? ( x11-base/xorg-proto )
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"
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BDEPEND="
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virtual/pkgconfig
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doc? (
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app-text/doxygen
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media-gfx/graphviz
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${RDEPEND}
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X? (
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x11-base/xorg-proto
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x11-libs/libX11
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)
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wayland? ( >=dev-util/wayland-scanner-1.20 )
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"
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MULTILIB_WRAPPED_HEADERS=(
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/usr/include/SDL2/SDL_config.h
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/usr/include/SDL2/SDL_platform.h
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/usr/include/SDL2/begin_code.h
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/usr/include/SDL2/close_code.h
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)
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src_prepare() {
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cmake_src_prepare
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# Unbundle some headers.
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rm -r src/video/khronos || die
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ln -s "${ESYSROOT}/usr/include" src/video/khronos || die
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}
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src_configure() {
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use custom-cflags || strip-flags
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lto-guarantee-fat
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local mycmakeargs=(
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-DSDL_STATIC=$(usex static-libs)
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-DSDL_SYSTEM_ICONV=ON
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-DSDL_GCC_ATOMICS=ON
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-DSDL_AUDIO=$(usex sound)
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-DSDL_VIDEO=$(usex video)
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-DSDL_JOYSTICK=$(usex joystick)
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-DSDL_HAPTIC=$(usex haptic)
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-DSDL_POWER=ON
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-DSDL_FILESYSTEM=ON
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-DSDL_TIMERS=ON
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-DSDL_FILE=ON
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-DSDL_LOADSO=ON
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-DSDL_ASSEMBLY=ON
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-DSDL_ALTIVEC=$(usex cpu_flags_ppc_altivec)
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-DSDL_SSEMATH=$(usex cpu_flags_x86_sse)
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-DSDL_MMX=$(usex cpu_flags_x86_mmx)
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-DSDL_3DNOW=$(usex cpu_flags_x86_3dnow)
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-DSDL_SSE=$(usex cpu_flags_x86_sse)
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-DSDL_SSE2=$(usex cpu_flags_x86_sse2)
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-DSDL_SSE3=$(usex cpu_flags_x86_sse3)
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-DSDL_OSS=$(usex oss)
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-DSDL_ALSA=$(usex alsa)
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-DSDL_ALSA_SHARED=OFF
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-DSDL_JACK=$(usex jack)
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-DSDL_JACK_SHARED=OFF
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-DSDL_ESD=OFF
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-DSDL_PIPEWIRE=$(usex pipewire)
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-DSDL_PIPEWIRE_SHARED=OFF
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-DSDL_PULSEAUDIO=$(usex pulseaudio)
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-DSDL_PULSEAUDIO_SHARED=OFF
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-DSDL_ARTS=OFF
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-DSDL_LIBSAMPLERATE=$(usex libsamplerate)
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-DSDL_LIBSAMPLERATE_SHARED=OFF
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-DSDL_WERROR=OFF
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-DSDL_NAS=$(usex nas)
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-DSDL_NAS_SHARED=OFF
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-DSDL_SNDIO=$(usex sndio)
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-DSDL_SNDIO_SHARED=OFF
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-DSDL_DISKAUDIO=$(usex sound)
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-DSDL_DUMMYAUDIO=$(usex sound)
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-DSDL_WAYLAND=$(usex wayland)
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-DSDL_WAYLAND_SHARED=OFF
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-DSDL_WAYLAND_LIBDECOR=$(usex wayland)
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-DSDL_WAYLAND_LIBDECOR_SHARED=OFF
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-DSDL_RPI=OFF
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-DSDL_X11=$(usex X)
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-DSDL_X11_SHARED=OFF
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-DSDL_X11_XSCRNSAVER=$(usex xscreensaver)
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-DSDL_COCOA=$(usex aqua)
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-DSDL_DIRECTFB=OFF
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-DSDL_FUSIONSOUND=OFF
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-DSDL_KMSDRM=$(usex kms)
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-DSDL_KMSDRM_SHARED=OFF
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-DSDL_DUMMYVIDEO=$(usex video)
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-DSDL_OPENGL=$(usex opengl)
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-DSDL_OPENGLES=$(use gles1 || use gles2 && echo ON || echo OFF)
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-DSDL_VULKAN=$(usex vulkan)
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-DSDL_LIBUDEV=$(usex udev)
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-DSDL_DBUS=$(usex dbus)
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-DSDL_IBUS=$(usex ibus)
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-DSDL_CCACHE=OFF
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-DSDL_DIRECTX=OFF
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-DSDL_RPATH=OFF
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-DSDL_VIDEO_RENDER_D3D=OFF
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-DSDL_TESTS=$(usex test)
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-DSDL2COMPAT_TESTS=$(usex test)
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-DSDL2COMPAT_X11=$(usex X)
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)
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cmake-multilib_src_configure
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}
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src_compile() {
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multilib-minimal_src_compile
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if use doc; then
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cd docs || die
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doxygen || die
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fi
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}
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src_install() {
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cmake-multilib_src_install
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src_test() {
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unset SDL_GAMECONTROLLERCONFIG SDL_GAMECONTROLLER_USE_BUTTON_LABELS
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cmake-multilib_src_test
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}
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strip-lto-bytecode
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multilib_src_install_all() {
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rm -r "${ED}"/usr/share/licenses/ || die
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dodoc {BUGS,CREDITS,README-SDL,TODO,WhatsNew}.txt README.md docs/README*.md
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use doc && dodoc -r docs/output/html/
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rm -r -- "${ED}"/usr/share/licenses || die
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}
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