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149 lines
3.6 KiB
149 lines
3.6 KiB
# Copyright 2019-2023 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=16
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inherit edo cmake llvm check-reqs toolchain-funcs
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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}/${P}.tar.xz"
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KEYWORDS="~amd64 ~arm ~arm64"
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fi
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LICENSE="MIT"
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SLOT="$(ver_cut 1-2)"
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IUSE="doc"
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BUILD_DIR="${S}/build"
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# Zig requires zstd and zlib compression support in LLVM, if using LLVM backend.
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# (non-LLVM backends don't require these)
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# They are not required "on their own", so please don't add them here.
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# You can check https://github.com/ziglang/zig-bootstrap in future, to see
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# options that are passed to LLVM CMake building (excluding "static" ofc).
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DEPEND="
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sys-devel/clang:${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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${DEPEND}
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"
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IDEPEND="app-eselect/eselect-zig"
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# see https://github.com/ziglang/zig/issues/3382
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# For now, Zig Build System doesn't support enviromental CFLAGS/LDFLAGS/etc.
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QA_FLAGS_IGNORED="usr/.*/zig/${PV}/bin/zig"
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# Since commit https://github.com/ziglang/zig/commit/e7d28344fa3ee81d6ad7ca5ce1f83d50d8502118
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# Zig uses self-hosted compiler only
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CHECKREQS_MEMORY="4G"
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llvm_check_deps() {
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has_version "sys-devel/clang:${LLVM_SLOT}"
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}
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ctarget_to_zigtarget() {
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# Zig's Target Format: arch-os-abi
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local CTARGET="${CTARGET:-${CHOST}}"
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local ZIG_ARCH
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case "${CTARGET%%-*}" in
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i?86) ZIG_ARCH=x86;;
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sparcv9) ZIG_ARCH=sparc64;;
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*) ZIG_ARCH="${CTARGET%%-*}";; # Same as in CHOST
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esac
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local ZIG_OS
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case "${CTARGET}" in
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*linux*) ZIG_OS=linux;;
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*apple*) ZIG_OS=macos;;
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esac
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local ZIG_ABI
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case "${CTARGET##*-}" in
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gnu) ZIG_ABI=gnu;;
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solaris*) ZIG_OS=solaris ZIG_ABI=none;;
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darwin*) ZIG_ABI=none;;
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*) ZIG_ABI="${CTARGET##*-}";; # Same as in CHOST
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esac
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echo "${ZIG_ARCH}-${ZIG_OS}-${ZIG_ABI}"
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}
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get_zig_mcpu() {
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local ZIG_DEFAULT_MCPU=native
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tc-is-cross-compiler && ZIG_DEFAULT_MCPU=baseline
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echo "${ZIG_MCPU:-${ZIG_DEFAULT_MCPU}}"
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}
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get_zig_target() {
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local ZIG_DEFAULT_TARGET=native
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tc-is-cross-compiler && ZIG_DEFAULT_TARGET="$(ctarget_to_zigtarget)"
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echo "${ZIG_TARGET:-${ZIG_DEFAULT_TARGET}}"
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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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-DZIG_TARGET_TRIPLE="$(get_zig_target)"
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-DZIG_TARGET_MCPU="$(get_zig_mcpu)"
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-DZIG_USE_LLVM_CONFIG=ON
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-DCMAKE_PREFIX_PATH="$(get_llvm_prefix ${LLVM_MAX_SLOT})"
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-DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/$(get_libdir)/zig/${PV}"
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)
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cmake_src_configure
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}
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src_compile() {
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cmake_src_compile
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if use doc; then
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cd "${BUILD_DIR}" || die
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edo ./zig2 run ../doc/docgen.zig -- --zig ./zig2 ../doc/langref.html.in "${S}/langref.html"
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edo ./zig2 test ../lib/std/std.zig --zig-lib-dir ../lib -fno-emit-bin -femit-docs="${S}/std"
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fi
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}
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src_test() {
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cd "${BUILD_DIR}" || die
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local ZIG_TEST_ARGS="-Dstatic-llvm=false -Denable-llvm -Dskip-non-native \
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-Drelease -Dtarget=$(get_zig_target) -Dcpu=$(get_zig_mcpu)"
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# TBF zig2 -> stage3/bin/zig when (if) https://github.com/ziglang/zig/pull/14255 will be merged
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edo ./zig2 build test ${ZIG_TEST_ARGS}
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}
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src_install() {
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use doc && local HTML_DOCS=( "langref.html" "std" )
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cmake_src_install
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cd "${ED}/usr/$(get_libdir)/zig/${PV}/" || die
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mv lib/zig/ lib2/ || die
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rm -rf lib/ || die
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mv lib2/ lib/ || die
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dosym -r "/usr/$(get_libdir)/zig/${PV}/bin/zig" "/usr/bin/zig-${PV}"
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}
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pkg_postinst() {
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eselect zig update ifunset
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}
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pkg_postrm() {
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eselect zig update ifunset
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}
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