sys-devel/clang-toolchain-symlinks: Add 20.x live ebuilds

Signed-off-by: Michał Górny <mgorny@gentoo.org>

1 files changed, 58 insertions, 0 deletions

diff --git a/sys-devel/clang-toolchain-symlinks/clang-toolchain-symlinks-20.ebuild b/sys-devel/clang-toolchain-symlinks/clang-toolchain-symlinks-20.ebuild
new file mode 100644
index 000000000000..3496a0f89b67
--- /dev/null
+++ b/sys-devel/clang-toolchain-symlinks/clang-toolchain-symlinks-20.ebuild
@@ -0,0 +1,58 @@
+# Copyright 2022-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit multilib
+
+DESCRIPTION="Symlinks to use Clang on GCC-free system"
+HOMEPAGE="https://wiki.gentoo.org/wiki/Project:LLVM"
+S=${WORKDIR}
+
+LICENSE="public-domain"
+SLOT="${PV}"
+IUSE="gcc-symlinks multilib-symlinks +native-symlinks"
+
+# Blocker for bug #872416
+RDEPEND="
+	!<sys-devel/gcc-config-2.6
+	sys-devel/clang:${SLOT}
+"
+
+src_install() {
+	local tools=()
+
+	if use native-symlinks; then
+		tools+=(
+			cc:clang
+			cpp:clang-cpp
+			c++:clang++
+		)
+	fi
+	if use gcc-symlinks; then
+		tools+=(
+			gcc:clang
+			g++:clang++
+		)
+	fi
+
+	local chosts=( "${CHOST}" )
+	if use multilib-symlinks; then
+		local abi
+		for abi in $(get_all_abis); do
+			chosts+=( "$(get_abi_CHOST "${abi}")" )
+		done
+	fi
+
+	local chost t
+	local dest=/usr/lib/llvm/${SLOT}/bin
+	dodir "${dest}"
+	for t in "${tools[@]}"; do
+		dosym "${t#*:}" "${dest}/${t%:*}"
+	done
+	for chost in "${chosts[@]}"; do
+		for t in "${tools[@]}"; do
+			dosym "${t#*:}" "${dest}/${chost}-${t%:*}"
+		done
+	done
+}