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# Copyright 2018-2020 Haelwenn (lanodan) Monnier <contact@hacktivis.me>
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit multilib-minimal flag-o-matic git-r3
DESCRIPTION="The GNU C Library compatibility layer for musl"
HOMEPAGE="https://git.adelielinux.org/adelie/gcompat"
EGIT_REPO_URI="https://git.adelielinux.org/adelie/gcompat.git"
LICENSE="UoI-NCSA"
SLOT="0"
IUSE="libucontext obstack"
DEPEND="
libucontext? ( sys-libs/libucontext )
obstack? ( sys-libs/obstack-standalone )
"
RDEPEND="${DEPEND}"
get_loader_name() {
# Loosely based on Adélie APKBUILD
# TODO: Check against glibc’s logic
case "$ABI" in
x86) echo "ld-linux.so.2" ;;
amd64) echo "ld-linux-x86-64.so.2" ;;
arm64) echo "ld-linux-aarch64.so.1" ;;
arm*) echo "ld-linux-armhf.so.3" ;;
mips | powerpc | s390) echo "ld.so.1" ;;
esac
}
get_linker_path() {
local arch=$(ldd 2>&1 | sed -n '1s/^musl libc (\(.*\))$/\1/p')
echo "/lib/ld-musl-${arch}.so.1"
}
src_compile() {
filter-flags "-Wl,--as-needed"
emake \
LINKER_PATH="$(get_linker_path)" \
LOADER_NAME="$(get_loader_name)" \
WITH_OBSTACK="$(usex obstack 'obstack-standalone' 'no')" \
$(usex libucontext WITH_LIBUCONTEXT=yes '')
}
src_install() {
emake \
LINKER_PATH="$(get_linker_path)" \
LOADER_NAME="$(get_loader_name)" \
WITH_OBSTACK="$(usex obstack 'obstack-standalone' 'no')" \
$(usex libucontext WITH_LIBUCONTEXT=yes '') \
DESTDIR="${D}" \
install
}
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