1 files changed, 81 insertions, 0 deletions
diff --git a/dev-lang/zig/zig-0.10.0.ebuild b/dev-lang/zig/zig-0.10.0.ebuild
new file mode 100644
index 000000000000..0ab54280a9ba
--- /dev/null
+++ b/dev-lang/zig/zig-0.10.0.ebuild
@@ -0,0 +1,81 @@
+# Copyright 2019-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+LLVM_MAX_SLOT=15
+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}/${P}.tar.xz"
+	KEYWORDS="~amd64 ~arm ~arm64"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+
+BUILD_DIR="${S}/build"
+
+# Zig requires zstd and zlib compression support in LLVM, if using LLVM backend (non-LLVM backends don't require these).
+# They are not required "on their own", so please don't add them here.
+# You can check https://github.com/ziglang/zig-bootstrap in future, to see
+# options that are passed to LLVM CMake building (excluding "static" ofc).
+DEPEND="
+	sys-devel/clang:${LLVM_MAX_SLOT}=
+	sys-devel/lld:${LLVM_MAX_SLOT}=
+	sys-devel/llvm:${LLVM_MAX_SLOT}=[zstd]
+"
+
+RDEPEND="
+	${DEPEND}
+	!dev-lang/zig-bin
+"
+
+# see https://github.com/ziglang/zig/issues/3382
+# For now, Zig doesn't support CFLAGS/LDFLAGS/etc.
+QA_FLAGS_IGNORED="usr/bin/zig"
+
+# see https://ziglang.org/download/0.10.0/release-notes.html#Self-Hosted-Compiler
+# 0.10.0 release - ~9.6 GiB, since we use compiler written in C++ for bootstrapping
+# 0.11.0 release - ~2.8 GiB, since we will (at least according to roadmap) use self-hosted compiler
+# (transpiled to C via C backend) for bootstrapping
+CHECKREQS_MEMORY="10G"
+
+llvm_check_deps() {
+	has_version "sys-devel/clang:${LLVM_SLOT}"
+}
+
+pkg_setup() {
+	llvm_pkg_setup
+	check-reqs_pkg_setup
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DZIG_USE_CCACHE=OFF
+		-DZIG_SHARED_LLVM=ON
+		-DCMAKE_PREFIX_PATH=$(get_llvm_prefix ${LLVM_MAX_SLOT})
+	)
+
+	cmake_src_configure
+}
+
+src_test() {
+	cd "${BUILD_DIR}" || die
+	./zig2 build test -Dstatic-llvm=false -Denable-llvm=true -Dskip-non-native=true || die
+}
+
+pkg_postinst() {
+	elog "0.10.0 release introduces self-hosted compiler for general use by default"
+	elog "It means that your code can be un-compilable since this compiler has some new or removed features and new or fixed bugs"
+	elog "Upstream recommends using stage1 if experiencing such breakage,"
+	elog "until bugfix release 0.10.1 or release 0.11.0 where old compiler will be fully replaced"
+	elog "You can use old compiler by using '-fstage1' flag"
+	elog "Also see: https://ziglang.org/download/0.10.0/release-notes.html#Self-Hosted-Compiler"
+	elog "and https://ziglang.org/download/0.10.0/release-notes.html#How-to-Upgrade"
+}