# Copyright 2022 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"
SRC_URI=""
S=${WORKDIR}

LICENSE="public-domain"
SLOT="${PV}"
KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x64-macos"
IUSE="gcc-symlinks +native-symlinks"

RDEPEND="
	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 abi t
	local dest=/usr/lib/llvm/${SLOT}/bin
	dodir "${dest}"
	for t in "${tools[@]}"; do
		dosym "${t#*:}" "${dest}/${t%:*}"
	done
	for abi in $(get_all_abis); do
		local abi_chost=$(get_abi_CHOST "${abi}")
		for t in "${tools[@]}"; do
			dosym "${t#*:}" "${dest}/${abi_chost}-${t%:*}"
		done
	done
}