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# Copyright 2021-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{13..14} )
inherit flag-o-matic multilib python-any-r1 toolchain-funcs xdg
DESCRIPTION="Fork of the classic Super Nintendo emulator"
HOMEPAGE="https://github.com/xyproto/zsnes/ https://www.zsnes.com/"
SRC_URI="
https://github.com/xyproto/zsnes/archive/refs/tags/${PV}.tar.gz
-> ${P}.tar.gz
"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="-* ~amd64 ~x86"
IUSE="ao custom-cflags pipewire"
RDEPEND="
media-libs/libglvnd[X,abi_x86_32(-)]
media-libs/libpng:=[abi_x86_32(-)]
media-libs/libsdl3[abi_x86_32(-),opengl]
virtual/zlib:=[abi_x86_32(-)]
ao? ( media-libs/libao[abi_x86_32(-)] )
pipewire? ( media-video/pipewire:=[abi_x86_32(-)] )
"
DEPEND="${RDEPEND}"
BDEPEND="
${PYTHON_DEPS}
dev-lang/nasm
sys-devel/gcc:*
virtual/pkgconfig
virtual/zlib:=
"
PATCHES=(
"${FILESDIR}"/${PN}-2.1.0-cc-quotes.patch
)
src_compile() {
# Makefile forces many CFLAGS that are questionable, but zsnes' ancient x86
# asm is fragile, not pic safe (bug #427104), broken by F_S=3 (formerly
# broken with =2 as well), and can be affected by -march=* and similar.
# Stick to upstream's choices, this is non-portable either way.
if use !custom-cflags; then
strip-flags
append-cppflags -U_FORTIFY_SOURCE # to disable =3, Makefile enables =2
# furthermore fails with -Werror=strict-aliasing+lto-type-mismatch
# https://github.com/xyproto/zsnes/issues/59#issuecomment-5024118435
append-cflags -fno-strict-aliasing
filter-lto
fi
# zsnes passes -mno-sse while profiles do -mfpmath=sse -- gcc will fallback
# to 387, but clang errors out at the combination (bug #884827)
append-flags -mfpmath=387
# asm issues with clang (bug #830491), the asm may never get fixed at this
# point but zsnes is slowly porting it to C and so may work eventually
if tc-is-clang; then
CC=${CHOST}-gcc
strip-unsupported-flags
fi
use amd64 && multilib_toolchain_setup x86
tc-export CC PKG_CONFIG
append-cflags ${CPPFLAGS}
ZSNES_MAKEARGS=(
ARCH=LINUX
PREFIX="${EPREFIX}"/usr
WITH_AO=$(usex ao)
WITH_PIPEWIRE=$(usex pipewire)
)
emake "${ZSNES_MAKEARGS[@]}"
}
src_install() {
emake "${ZSNES_MAKEARGS[@]}" DESTDIR="${D}" install
einstalldocs
}
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