commit:     68039369289d7631113dcba4ae5bc7ddedef1db7
Author:     Samuel Bauer <samuel.bauer <AT> yahoo <DOT> fr>
AuthorDate: Thu Feb 13 23:41:33 2025 +0000
Commit:     Samuel Bauer <samuel.bauer <AT> yahoo <DOT> fr>
CommitDate: Thu Feb 13 23:41:33 2025 +0000
URL:        https://gitweb.gentoo.org/repo/proj/guru.git/commit/?id=68039369

games-emulation/flycast: new ebuild

Signed-off-by: Samuel Bauer <samuel.bauer <AT> yahoo.fr>

 games-emulation/flycast/flycast-9999.ebuild | 121 ++++++++++++++++++++++++++++
 games-emulation/flycast/metadata.xml        |  14 ++++
 2 files changed, 135 insertions(+)

diff --git a/games-emulation/flycast/flycast-9999.ebuild 
b/games-emulation/flycast/flycast-9999.ebuild
new file mode 100644
index 000000000..18f90937c
--- /dev/null
+++ b/games-emulation/flycast/flycast-9999.ebuild
@@ -0,0 +1,121 @@
+# Copyright 2022-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+LUA_COMPAT=(lua5-4)
+
+inherit cmake flag-o-matic git-r3 lua-single xdg
+
+DESCRIPTION="Sega Dreamcast, Naomi and Atomiswave emulator"
+HOMEPAGE="https://github.com/flyinghead/flycast";
+EGIT_REPO_URI="https://github.com/flyinghead/flycast";
+EGIT_SUBMODULES=( 'core/deps/breakpad' 'core/deps/luabridge' 
'core/deps/rcheevos' 'core/deps/volk' 'core/deps/VulkanMemoryAllocator' )
+
+LICENSE="GPL-2"
+SLOT="0"
+
+IUSE="alsa ao lua opengl +openmp pulseaudio vulkan"
+
+DEPEND="
+       dev-libs/libchdr
+       dev-libs/libzip
+       dev-libs/xxhash
+       media-libs/libsdl2
+       net-libs/miniupnpc
+       sys-libs/zlib
+       alsa? ( media-libs/alsa-lib )
+       ao? ( media-libs/libao )
+       lua? ( ${LUA_DEPS} )
+       opengl? ( virtual/opengl )
+       openmp? ( sys-devel/gcc:*[openmp] )
+       pulseaudio? ( media-libs/libpulse )
+       vulkan? (
+               >=dev-util/glslang-1.3.231:=
+               dev-util/spirv-headers
+       )
+"
+RDEPEND="${DEPEND}"
+
+REQUIRED_USE="|| ( opengl vulkan ) || ( ao alsa pulseaudio )"
+
+src_unpack() {
+       use lua && EGIT_SUBMODULES+=( 'core/deps/luabridge' )
+       git-r3_src_unpack
+}
+src_prepare() {
+       # Ensure unneeded deps are not bundled
+       for dep in chdr dirent glslang libretro-common libzip miniupnpc oboe 
patches SDL vixl xxHash; do
+               rm -rf core/deps/${dep}
+       done
+
+       # Skip alsa if flag not enabled
+       use !alsa && sed -i -e '/find_package(ALSA)/d' CMakeLists.txt
+
+       # Skip ao if flag not enabled
+       use !ao && sed -i -e '/pkg_check_modules(AO/d' CMakeLists.txt
+
+       if use lua; then # Lua 5.2 not available in gentoo anymore
+               sed -i -e '/find_package(Lua/s/5.2/5.4/' CMakeLists.txt
+       else # Skip lua if flag not enabled
+               sed -i -e '/find_package(Lua/d' CMakeLists.txt
+       fi
+
+       # Skip pulseaudio if flag not enabled
+       use !pulseaudio && sed -i -e '/pkg_check_modules(LIBPULSE/d' 
CMakeLists.txt
+
+       # Unbundle xxHash
+       sed -i -e 
'/XXHASH_BUILD_XXHSUM/{N;N;s/.*/target_link_libraries(${PROJECT_NAME} PRIVATE 
xxhash)/}' \
+               CMakeLists.txt || die
+
+       # Unbundle chdr
+       sed -i -e '/add_subdirectory.*chdr/d' -e 's/chdr-static/chdr/' \
+               -e 's:core/deps/chdr/include:/usr/include/chdr:' CMakeLists.txt 
|| die
+
+       # Do not use ccache
+       sed -i -e '/find_program(CCACHE_FOUND/d' CMakeLists.txt
+
+       # Ensure static libs are not built
+       sed -i -e '/BUILD_SHARED_LIBS/d' CMakeLists.txt
+
+       # Vulkan-header
+       sed -i -e 
'/add_subdirectory(core.*Vulkan-Headers)$/,/Vulkan::Headers/d' \
+               -e '/core\/deps\/Vulkan-Headers\/include)/d' CMakeLists.txt
+       sed -i -e '/ResourceLimits.h/a#include <glslang/Public/ShaderLang.h>' \
+               core/rend/vulkan/compiler.cpp
+       if use vulkan; then
+               sed -i -e '$atarget_link_libraries(${PROJECT_NAME} PRIVATE 
glslang glslang-default-resource-limits)' CMakeLists.txt
+               if has_version >=dev-util/glslang-1.3.261; then
+                       sed -i -e 
's/throwResultException/detail::throwResultException/' 
core/rend/vulkan/vmallocator.{h,cpp}
+               fi
+               grep -rl 'vk::resultCheck' | xargs sed -i -e 
's/vk::resultCheck/vk::detail::resultCheck/g'
+               sed -i -e '/end\/transform_matrix.h/a#include <set>' 
core/rend/vulkan/vulkan_context.cpp || die
+       fi
+
+       # Do not use ccache
+       sed -i -e '/find_program(CCACHE_PROGRAM ccache)/d' CMakeLists.txt
+
+       # Unbundle SDL under linux: (revert crazy commit: #4408aa7)
+       sed -i -e '/if(NOT APPLE AND (/s/.*/if( NOT APPLE )/' CMakeLists.txt
+
+       # Fix cmake version
+       sed -i -e '/cmake_minimum_required/s/2.6.*$/3.20)/' 
core/deps/xbyak/CMakeLists.txt || die
+       sed -i -e 's/3.2/3.20/' core/deps/glm/CMakeLists.txt || die
+
+       append-cxxflags -Wno-unused-result
+
+       cmake_src_prepare
+}
+
+src_configure() {
+       local mycmakeargs=(
+               -DUSE_OPENGL=$(usex opengl)
+               -DUSE_OPENMP=$(usex openmp)
+               -DUSE_VULKAN=$(usex vulkan)
+               -DUSE_HOST_LIBZIP=ON
+               -DUSE_HOST_GLSLANG=ON
+               -DUSE_HOST_SDL=ON
+               -DWITH_SYSTEM_ZLIB=ON
+       )
+       cmake_src_configure
+}

diff --git a/games-emulation/flycast/metadata.xml 
b/games-emulation/flycast/metadata.xml
new file mode 100644
index 000000000..6ff97733c
--- /dev/null
+++ b/games-emulation/flycast/metadata.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd";>
+<pkgmetadata>
+<maintainer type="person">
+       <name>Samuel Bauer</name>
+       <email>[email protected]</email>
+</maintainer>
+<use>
+       <flag name="vulkan">Compile vulkan backend</flag>
+</use>
+       <upstream>
+               <remote-id type="github">flyinghead/flycast</remote-id>
+       </upstream>
+</pkgmetadata>

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