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# Copyright 2019-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
LLVM_MAX_SLOT=13
inherit cmake llvm check-reqs
DESCRIPTION="A robust, optimal, and maintainable programming language"
HOMEPAGE="https://ziglang.org/"
if [[ ${PV} == 9999 ]]; then
EGIT_REPO_URI="https://github.com/ziglang/zig.git"
inherit git-r3
else
SRC_URI="https://ziglang.org/download/${PV}/${P}.tar.xz"
KEYWORDS="~amd64 ~arm ~arm64"
fi
LICENSE="MIT"
SLOT="0"
IUSE="test +stage2 +threads"
RESTRICT="!test? ( test )"
BUILD_DIR="${S}/build"
# According to zig's author, zig builds that do not support all targets are not
# supported by the upstream project.
ALL_LLVM_TARGETS=(
AArch64 AMDGPU ARM AVR BPF Hexagon Lanai Mips MSP430 NVPTX
PowerPC RISCV Sparc SystemZ WebAssembly X86 XCore
)
ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
LLVM_TARGET_USEDEPS="${ALL_LLVM_TARGETS[@]}"
RDEPEND="
sys-devel/clang:${LLVM_MAX_SLOT}
>=sys-devel/lld-${LLVM_MAX_SLOT}
<sys-devel/lld-$((${LLVM_MAX_SLOT} + 1))
sys-devel/llvm:${LLVM_MAX_SLOT}[${LLVM_TARGET_USEDEPS// /,}]
"
DEPEND="${RDEPEND}"
llvm_check_deps() {
has_version "sys-devel/clang:${LLVM_SLOT}"
}
# see https://github.com/ziglang/zig/wiki/Troubleshooting-Build-Issues#high-memory-requirements
CHECKREQS_MEMORY="10G"
# see https://github.com/ziglang/zig/issues/11137
PATCHES=( "${FILESDIR}/${P}-stage2-fix.patch" )
pkg_setup() {
llvm_pkg_setup
check-reqs_pkg_setup
}
src_configure() {
local mycmakeargs=(
-DZIG_USE_CCACHE=OFF
-DZIG_PREFER_CLANG_CPP_DYLIB=ON
-DZIG_SINGLE_THREADED="$(usex threads OFF ON)"
)
cmake_src_configure
}
src_compile() {
cmake_src_compile
if use stage2 ; then
cd "${BUILD_DIR}" || die
./zig build -p stage2 -Dstatic-llvm=false -Denable-llvm=true -Dsingle-threaded="$(usex threads false true)" || die
fi
}
src_test() {
cd "${BUILD_DIR}" || die
./zig build test || die
}
src_install() {
cmake_src_install
if use stage2 ; then
cd "${BUILD_DIR}" || die
mv ./stage2/bin/zig zig-stage2 || die
dobin zig-stage2
fi
}
# see https://github.com/ziglang/zig/issues/3382
QA_FLAGS_IGNORED="/usr/bin/zig-stage2"
pkg_postinst() {
use stage2 && elog "You enabled stage2 USE flag, Zig stage1 was installed as /usr/bin/zig, Zig stage2 was installed as /usr/bin/zig-stage2"
}
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