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eclass/toolchain: Sync with Gentoo

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It's from Gentoo commit 597efc1908793a77001d42ebbd96ebb07f8ee631.
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Flatcar Buildbot 2023-02-08 12:21:20 +00:00 committed by Sayan Chowdhury
parent dbba02fcd7
commit 8a6f8708a3
1 changed files with 28 additions and 0 deletions
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28
sdk_container/src/third_party/portage-stable/eclass/toolchain.eclass vendored
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@ -719,6 +719,19 @@ toolchain_src_prepare() {
einfo "Remove texinfo (bug #198182, bug #464008)"
eapply "${FILESDIR}"/gcc-configure-texinfo.patch
if ! use prefix-guest && [[ -n ${EPREFIX} ]] ; then
einfo "Prefixifying dynamic linkers..."
for f in gcc/config/*/*linux*.h ; do
ebegin " Updating ${f}"
if [[ ${f} == gcc/config/rs6000/linux*.h ]]; then
sed -i -r "s,(DYNAMIC_LINKER_PREFIX\s+)\"\",\1\"${EPREFIX}\",g" "${f}" || die
else
sed -i -r "/_DYNAMIC_LINKER/s,([\":])(/lib),\1${EPREFIX}\2,g" "${f}" || die
fi
eend $?
done
fi
# >=gcc-4
if [[ -x contrib/gcc_update ]] ; then
einfo "Touching generated files"
@ -1200,6 +1213,21 @@ toolchain_src_configure() {
confgcc+=( --enable-threads=posix )
;;
esac
if ! use prefix-guest ; then
# GNU ld scripts, such as those in glibc, reference unprefixed paths
# as the sysroot given here is automatically prepended. For
# prefix-guest, we use the host's libc instead.
if [[ -n ${EPREFIX} ]] ; then
confgcc+=( --with-sysroot="${EPREFIX}" )
fi
# We need to build against the right headers and libraries. Again,
# for prefix-guest, this is the host's.
if [[ -n ${ESYSROOT} ]] ; then
confgcc+=( --with-build-sysroot="${ESYSROOT}" )
fi
fi
fi
# __cxa_atexit is "essential for fully standards-compliant handling of