path: root/PKGBUILD

# Contributor: katt <magunasu.b97@gmail.com>

## options
: ${i_swear_to_never_bother_the_developer_about_this_package:=false}
: ${forbidden_versions_file_path:=/dev/null}

pkgname=duckstation-git
_pkgname=duckstation
pkgver=0.1.r9727.g66bef3e3e
pkgdesc='A Sony PlayStation (PSX) emulator, focusing on playability, speed, and long-term maintainability (git version)'
pkgrel=1
arch=(x86_64 aarch64)
url=https://github.com/stenzek/duckstation
license=(CC-BY-NC-ND-4.0)
depends=(
    sh
    glibc
    gcc-libs
    sdl3
    qt6-base
    libbacktrace.so
    libwebp.so
    libjpeg.so
    libpng16.so
    libxcb
    libx11
    freetype2 libfreetype.so
    libzstd.so
    libz.so
    libzip.so
    libdbus-1.so
    libcurl.so
    systemd-libs libudev.so
    hicolor-icon-theme
)
makedepends=(
    git
    yq
    cmake
    clang
    lld
    llvm
    extra-cmake-modules
    qt6-tools
    qt6-wayland
    libdrm
    libpulse
    alsa-lib
    sndio
    ninja
    jack
    python
    spirv-headers
    patchelf
)
optdepends=(
    'qt6-wayland: Wayland support'
    'libpulse: Pulseaudio support'
    'sndio: Small audio support'
    'alsa-lib: ALSA support'
    'jack: JACK support'
    'ffmpeg: Video capture support'
)
options=(lto)
provides=(duckstation)
conflicts=(duckstation)
source=(
    git+"$url".git
    stenzek.shaderc::git+https://github.com/stenzek/shaderc.git
    spirv-cross::git+https://github.com/KhronosGroup/SPIRV-Cross.git
    stenzek.cpuinfo::git+https://github.com/stenzek/cpuinfo.git
    stenzek.discord-rpc::git+https://github.com/stenzek/discord-rpc.git
    stenzek.soundtouch::git+https://github.com/stenzek/soundtouch.git
    stenzek.plutosvg::git+https://github.com/stenzek/plutosvg.git
    https://github.com/duckstation/chtdb/releases/download/latest/cheats.zip
    https://github.com/duckstation/chtdb/releases/download/latest/patches.zip
    duckstation-qt.desktop
    duckstation-qt.sh)
sha256sums=('SKIP'
            'SKIP'
            'SKIP'
            'SKIP'
            'SKIP'
            'SKIP'
            'SKIP'
            'SKIP'
            'SKIP'
            'ec2d7358f81598390a8ceca2d1974be3e5f7c45602b550c89a1e9323ab45474b'
            '221a8fc0d1f0cebdf281acc26484e98ebbb59f876e12fdef3f03cf91380e31f5')
noextract=(
    cheats.zip
    patches.zip
)

_source_var=(
    "stenzek.shaderc:SHADERC"
    "spirv-cross:SPIRV_CROSS:SPIRV-Cross"
    "stenzek.cpuinfo:CPUINFO"
    "stenzek.discord-rpc:DISCORD_RPC"
    "stenzek.soundtouch:SOUNDTOUCH"
    "stenzek.plutosvg:PLUTOSVG"
)

pkgver() {
    cd "$srcdir/$_pkgname"
    git describe | sed 's/\([^-]*-g\)/r\1/;s/-/./g'
}

prepare() {
    # checkout correct versions of deps
    if [[ "$forbidden_versions_file_path" == "/dev/null" ]]; then
        cat <<EOF
Stenzek prohibits using the versions file in this build script.
Set the path to the dependencies versions file (from scripts/)
in the forbidden_versions_file_path variable, relative to the project root.
EOF
        exit 1
    fi

    deps_script=$srcdir/duckstation/$forbidden_versions_file_path

    # unbreak the build
    sed -i 's/3ebbfd45645650c4940bf0f3b4d25ab913466bb0/cdcd4afba44326d12206493620b3e0aa4935f311/g' "$deps_script"

    for src in "${source[@]}"; do
        local src_name=${src%%::*}
        for dep in "${_source_var[@]}"; do
            local dep_name dep_var
            IFS=':' read dep_name dep_var _ <<< "$dep"
            if [ "$src_name" = "$dep_name" ]; then
                local dep_ver
                dep_ver=$(grep -Po "(?<=^$dep_var=).+" "$deps_script" )
                echo "Checking out $dep_ver for $src_name..."
                git -C "$srcdir/$src_name" checkout -q "$dep_ver"
            fi
        done
    done

    # bundle additional resources
    cp "$srcdir/cheats.zip" "$srcdir/patches.zip" "$srcdir/duckstation/data/resources"

    # unbreak the build
    if [ "$i_swear_to_never_bother_the_developer_about_this_package" = "true" ]; then
        cd "$srcdir/duckstation"
        sed -i 's/archlinux/marchlinux/g' CMakeModules/DuckStationBuildSummary.cmake
        sed -i '/#ifdef __linux__/,/#endif/d' src/core/system.cpp
        sed -i '/CMAKE_FIND_ROOT_PATH/d' CMakeModules/DuckStationDependencies.cmake
        sed -i 's/NOT Qt6_DIR MATCHES/Qt6_DIR MATCHES/' CMakeModules/DuckStationDependencies.cmake
    fi

}

build() {
    deps_script=$srcdir/duckstation/scripts/deps/build-dependencies-linux.sh
    for src in "${source[@]}"; do
        local src_name=${src%%::*}
        for dep in "${_source_var[@]}"; do
            local dep_name dep_var dep_dir
            IFS=':' read dep_name dep_var dep_dir <<< "$dep"
            if [ "$src_name" = "$dep_name" ]; then
                [ -z "$dep_dir" ] && dep_dir=$dep_var
                local dep_opts
                dep_opts=$(
                    awk -v dir="$dep_dir" -v var="$dep_var" '
                      $0 ~ "^cd.+\\$" var {in_block=1; next}
                      $0 ~ "^cd.+" dir {in_block=1; next}
                      $0 ~ "^cd \\.\\." && in_block {in_block=0}
                      in_block
                    ' "$deps_script" | tr ' ' '\n' | grep '^-D' | grep -Ev '_COMPILER|_PREFIX_PATH|_INSTALL_PREFIX')

                echo "Building $dep_name..."
                cmake -B "build-$dep_name" -S "$src_name" \
                    -G Ninja \
                    -DCMAKE_C_COMPILER=clang \
                    -DCMAKE_CXX_COMPILER=clang++ \
                    -DCMAKE_EXE_LINKER_FLAGS_INIT="-fuse-ld=lld" \
                    -DCMAKE_MODULE_LINKER_FLAGS_INIT="-fuse-ld=lld" \
                    -DCMAKE_SHARED_LINKER_FLAGS_INIT="-fuse-ld=lld" \
                    -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
                    -DCMAKE_INSTALL_PREFIX=/usr \
                    $dep_opts
                ninja -C "build-$dep_name"
                DESTDIR="$srcdir/deps" ninja -C "build-$dep_name" install
            fi
        done
    done

    echo "Building duckstation..."

    cmake -B build -S duckstation \
        -G Ninja \
        -DCMAKE_BUILD_TYPE=Release \
        -DCMAKE_C_COMPILER=clang \
        -DCMAKE_CXX_COMPILER=clang++ \
        -DCMAKE_C_FLAGS="$CFLAGS -Wno-error=format-security" \
        -DCMAKE_CXX_FLAGS="$CXXFLAGS -Wno-error=format-security" \
        -DCMAKE_EXE_LINKER_FLAGS_INIT="-fuse-ld=lld" \
        -DCMAKE_MODULE_LINKER_FLAGS_INIT="-fuse-ld=lld" \
        -DCMAKE_SHARED_LINKER_FLAGS_INIT="-fuse-ld=lld" \
        -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON \
        -DCMAKE_PREFIX_PATH="$srcdir/deps/usr" \
        -Dzstd_INCLUDE_DIR="/usr/include/" \
        -Wno-dev
    ninja -C build
}

package() {
    # Install everything into /usr/lib/duckstation
    install -m 755 -d "${pkgdir}/usr/lib"
    cp -drv --no-preserve='ownership' build/bin "${pkgdir}/usr/lib/${_pkgname}"
    # Install bundled libraries
    find "${srcdir}/deps/usr/lib" -name '*.so*' -exec cp -dv --no-preserve='ownership' '{}' "${pkgdir}/usr/lib/${_pkgname}/" \;

    # patch rpath
    patchelf --force-rpath --set-rpath "/usr/lib/${_pkgname}" "${pkgdir}/usr/lib/${_pkgname}/$_pkgname-qt"

    # Install additional license
    install -Dvm644 "${pkgdir}/usr/lib/${_pkgname}/resources/thirdparty.html" "${pkgdir}/usr/share/licenses/${pkgname}/thirdparty.html"

    install -Dvm755 "${srcdir}/duckstation-qt.sh" "${pkgdir}/usr/bin/duckstation-qt"
    install -Dvm644 "${srcdir}/duckstation-qt.desktop" "${pkgdir}/usr/share/applications/duckstation-qt.desktop"
    install -Dvm644 "${pkgdir}/usr/lib/${_pkgname}/resources/images/duck.png" "${pkgdir}/usr/share/icons/hicolor/64x64/apps/duckstation-qt.png"
}