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113 lines
3.3 KiB
Bash
113 lines
3.3 KiB
Bash
# Copyright 2022-2023 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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LUA_COMPAT=( lua5-{3..4} )
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inherit cmake git-r3 lua-single xdg
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DESCRIPTION="Sega Dreamcast, Naomi and Atomiswave emulator"
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HOMEPAGE="https://github.com/flyinghead/flycast"
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EGIT_REPO_URI="https://github.com/flyinghead/flycast"
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EGIT_SUBMODULES=( 'core/deps/breakpad' 'core/deps/volk' 'core/deps/VulkanMemoryAllocator' )
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LICENSE="GPL-2"
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SLOT="0"
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IUSE="alsa ao lua opengl +openmp pulseaudio vulkan"
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DEPEND="
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dev-libs/libchdr
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dev-libs/libzip
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dev-libs/xxhash
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media-libs/libsdl2
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net-libs/miniupnpc
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sys-libs/zlib
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alsa? ( media-libs/alsa-lib )
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ao? ( media-libs/libao )
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lua? ( ${LUA_DEPS} )
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opengl? ( virtual/opengl )
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openmp? ( sys-devel/gcc:*[openmp] )
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pulseaudio? ( media-libs/libpulse )
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vulkan? (
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>=dev-util/glslang-1.3.231
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dev-util/spirv-headers
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)
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"
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RDEPEND="${DEPEND}"
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REQUIRED_USE="|| ( opengl vulkan ) || ( ao alsa pulseaudio )"
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src_unpack() {
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use lua && EGIT_SUBMODULES+=( 'core/deps/luabridge' )
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git-r3_src_unpack
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}
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src_prepare() {
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# Ensure unneeded deps are not bundled
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for dep in chdr dirent glslang libretro-common libzip miniupnpc oboe patches SDL vixl xxHash; do
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rm -rf core/deps/${dep}
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done
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# Skip alsa if flag not enabled
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use !alsa && sed -i -e '/find_package(ALSA)/d' CMakeLists.txt
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# Skip ao if flag not enabled
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use !ao && sed -i -e '/pkg_check_modules(AO/d' CMakeLists.txt
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# Skip lua if flag not enabled
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use !lua && sed -i -e '/find_package(Lua)/d' CMakeLists.txt
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# Skip pulseaudio if flag not enabled
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use !pulseaudio && sed -i -e '/pkg_check_modules(LIBPULSE/d' CMakeLists.txt
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# Unbundle glslang
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sed -i -e '/add_subdirectory(core\/deps\/glslang/{N;s/.*/find_library(GLSLANG libglslang.so)\nfind_library(SPIRV libSPIRV.so)\ntarget_link_libraries(${PROJECT_NAME} PRIVATE ${GLSLANG} ${SPIRV})/}' CMakeLists.txt || die
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sed -i -e '/include.*SPIRV/{s:":<glslang/:;s/"/>/}' core/rend/vulkan/shaders.h \
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core/rend/vulkan/compiler.cpp || die
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# Crazy commit fix: 8d0654c
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sed -i -e '/maxMeshViewCountNV/a256,256,128,128,128,128,128,128,4,' \
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core/rend/vulkan/compiler.cpp || die
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# Unbundle xxHash
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sed -i -e '/XXHASH_BUILD_XXHSUM/{N;N;s/.*/target_link_libraries(${PROJECT_NAME} PRIVATE xxhash)/}' \
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CMakeLists.txt || die
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# Unbundle chdr
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sed -i -e '/add_subdirectory.*chdr/d' -e 's/chdr-static/chdr/' \
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-e 's:core/deps/chdr/include:/usr/include/chdr:' CMakeLists.txt || die
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# Do not use ccache
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sed -i -e '/find_program(CCACHE_FOUND/d' CMakeLists.txt
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# Ensure static libs are not built
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sed -i -e '/BUILD_SHARED_LIBS/d' CMakeLists.txt
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# Vulkan-header
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sed -i -e '/add_subdirectory(core.*Vulkan-Headers)$/,/Vulkan::Headers/d' \
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-e '/core\/deps\/Vulkan-Headers\/include)/d' CMakeLists.txt
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sed -i -e 's:SPIRV/GlslangToSpv.h:glslang/&:' core/rend/vulkan/compiler.cpp
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if use vulkan; then
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sed -i -e '$atarget_link_libraries(${PROJECT_NAME} PRIVATE glslang-default-resource-limits)' CMakeLists.txt
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fi
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# Do not use ccache
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sed -i -e '/find_program(CCACHE_PROGRAM ccache)/d' CMakeLists.txt
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# Revert crazy commit: #4408aa7
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sed -i -e '/if(NOT APPLE AND (/s/.*/if( NOT APPLE )/' CMakeLists.txt
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cmake_src_prepare
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}
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src_configure() {
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local mycmakeargs=(
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-DUSE_OPENGL=$(usex opengl)
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-DUSE_OPENMP=$(usex openmp)
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-DUSE_VULKAN=$(usex vulkan)
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-DUSE_HOST_LIBZIP=ON
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-DWITH_SYSTEM_ZLIB=ON
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)
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cmake_src_configure
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}
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