gamescope-git clang UBsan

gistfile1.txt

# gamescope-git PKGBUILD modified to build w/ clang UndefinedBehaviorSanitizer -- sharkautarch
# PKGBUILD based on the official Arch gamescope PKGBUILD
# Maintainer - Sid Pranjale <sidpranjale127@protonmail.com>

# Maintainer: Sefa Eyeoglu <contact@scrumplex.net>
# Maintainer: Bouke Sybren Haarsma <boukehaarsma23 at gmail dot com>
# Maintainer: Maxime Gauduin <alucryd@archlinux.org>
# Maintainer: Giancarlo Razzolini <grazzolini@archlinux.org>
# Contributor: Samuel "scrufulufugus" Monson <smonson@irbash.net>
# Contributor: PedroHLC <root@pedrohlc.com>

_pkgname=gamescope
pkgname=${_pkgname}-git
pkgver=3.14.0.r6.g9e46c89
pkgrel=1
pkgdesc='SteamOS session compositing window manager'
arch=(x86_64)
url=https://github.com/ValveSoftware/gamescope
license=(BSD)
depends=(
    gcc-libs
    glibc
    glm
    hwdata
    libavif
    libcap.so
    libdisplay-info.so
    libdrm
    libliftoff.so
    libinput
    libpipewire-0.3.so
    libvulkan.so
    libx11
    libxcb
    libxcomposite
    libxdamage
    libxext
    libxfixes
    libxkbcommon
    libxmu
    libxrender
    libxres
    libxtst
    libxxf86vm
    seatd
    sdl2
    vulkan-icd-loader
    wayland
    xcb-util-wm
    xcb-util-errors
    xorg-server-xwayland
)
makedepends=(
    benchmark
    cmake
    git
    glslang
    meson
    ninja
    vulkan-headers
    wayland-protocols
)
options=(!strip)
source=('git+https://github.com/ValveSoftware/gamescope.git')
b2sums=('SKIP')

provides=("$_pkgname")
conflicts=("$_pkgname")

prepare() {
    cd $_pkgname
    # This really should be a pacman feature...
    for src in "${source[@]}"; do
        src="${src%%::*}"
        src="${src##*/}"
        [[ $src = *.patch ]] || continue
        echo "Applying patch $src..."
        git apply "../$src"
    done
    meson subprojects download
    git submodule init
    git -c protocol.file.allow=always submodule update

    # Use Arch provided libdisplay-info, do use other subprojects as is
    rm -rf subprojects/libdisplay-info
}

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

build() {
    CXX=clang++ CC=clang arch-meson "${_pkgname}" build --reconfigure --buildtype=debugoptimized \
        -Dc_args="-fno-omit-frame-pointer" \
        -Dc_link_args="-fno-omit-frame-pointer -fuse-ld=lld" \
        -Dcpp_args="-fsanitize-recover=all -fsanitize=undefined -shared-libsan -fsanitize=implicit-signed-integer-truncation -fno-omit-frame-pointer -fsanitize=float-divide-by-zero -fsanitize=local-bounds" \
        -Dcpp_link_args="-fsanitize-recover=all -fsanitize=undefined -shared-libsan -fsanitize=implicit-signed-integer-truncation -fno-omit-frame-pointer -fsanitize=float-divide-by-zero -fsanitize=local-bounds -fuse-ld=lld -lm /usr/lib/clang/16/lib/linux/libclang_rt.ubsan_standalone-x86_64.so -Wl,-rpath=/usr/lib/clang/16/lib/linux/" \
        -Dforce_fallback_for=stb \
        -Dpipewire=enabled
    CXX=clang++ CC=clang meson compile -C build
}

package() {
    CXX=clang++ CC=clang meson install -C build --skip-subprojects --destdir="${pkgdir}"

    cd "$srcdir/$_pkgname"
    install -Dm 644 LICENSE -t "${pkgdir}/usr/share/licenses/$pkgname/"
}

# vim: ts=2 sw=2 et: