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82 lines
2.5 KiB
82 lines
2.5 KiB
2 years ago
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# Copyright 2019-2022 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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LLVM_MAX_SLOT=15
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inherit cmake llvm check-reqs
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DESCRIPTION="A robust, optimal, and maintainable programming language"
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HOMEPAGE="https://ziglang.org/"
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if [[ ${PV} == 9999 ]]; then
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EGIT_REPO_URI="https://github.com/ziglang/zig.git"
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inherit git-r3
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else
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SRC_URI="https://ziglang.org/download/${PV}/${P}.tar.xz"
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KEYWORDS="~amd64 ~arm ~arm64"
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fi
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LICENSE="MIT"
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SLOT="0"
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BUILD_DIR="${S}/build"
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# Zig requires zstd and zlib compression support in LLVM, if using LLVM backend (non-LLVM backends don't require these).
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# They are not required "on their own", so please don't add them here.
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# You can check https://github.com/ziglang/zig-bootstrap in future, to see
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# options that are passed to LLVM CMake building (excluding "static" ofc).
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DEPEND="
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sys-devel/clang:${LLVM_MAX_SLOT}=
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sys-devel/lld:${LLVM_MAX_SLOT}=
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sys-devel/llvm:${LLVM_MAX_SLOT}=[zstd]
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"
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RDEPEND="
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${DEPEND}
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!dev-lang/zig-bin
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"
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# see https://github.com/ziglang/zig/issues/3382
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# For now, Zig doesn't support CFLAGS/LDFLAGS/etc.
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QA_FLAGS_IGNORED="usr/bin/zig"
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# see https://ziglang.org/download/0.10.0/release-notes.html#Self-Hosted-Compiler
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# 0.10.0 release - ~9.6 GiB, since we use compiler written in C++ for bootstrapping
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# 0.11.0 release - ~2.8 GiB, since we will (at least according to roadmap) use self-hosted compiler
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# (transpiled to C via C backend) for bootstrapping
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CHECKREQS_MEMORY="10G"
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llvm_check_deps() {
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has_version "sys-devel/clang:${LLVM_SLOT}"
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}
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pkg_setup() {
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llvm_pkg_setup
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check-reqs_pkg_setup
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}
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src_configure() {
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local mycmakeargs=(
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-DZIG_USE_CCACHE=OFF
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-DZIG_SHARED_LLVM=ON
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-DCMAKE_PREFIX_PATH=$(get_llvm_prefix ${LLVM_MAX_SLOT})
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)
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cmake_src_configure
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}
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src_test() {
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cd "${BUILD_DIR}" || die
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./zig2 build test -Dstatic-llvm=false -Denable-llvm=true -Dskip-non-native=true || die
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}
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pkg_postinst() {
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elog "0.10.0 release introduces self-hosted compiler for general use by default"
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elog "It means that your code can be un-compilable since this compiler has some new or removed features and new or fixed bugs"
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elog "Upstream recommends using stage1 if experiencing such breakage,"
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elog "until bugfix release 0.10.1 or release 0.11.0 where old compiler will be fully replaced"
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elog "You can use old compiler by using '-fstage1' flag"
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elog "Also see: https://ziglang.org/download/0.10.0/release-notes.html#Self-Hosted-Compiler"
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elog "and https://ziglang.org/download/0.10.0/release-notes.html#How-to-Upgrade"
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}
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