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eclass/toolchain-funcs: Sync with gentoo

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It's from gentoo commit d87f2b9b24207f175f68f17b6cdb7befc9254841.
This commit is contained in:
Krzesimir Nowak 2021-11-05 20:15:41 +01:00
parent 87d3be7e89
commit fca1b3d2a6
1 changed files with 23 additions and 7 deletions
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30
sdk_container/src/third_party/portage-stable/eclass/toolchain-funcs.eclass vendored
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@ -1,9 +1,10 @@
# Copyright 2002-2019 Gentoo Authors
# Copyright 2002-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: toolchain-funcs.eclass
# @MAINTAINER:
# Toolchain Ninjas <toolchain@gentoo.org>
# @SUPPORTED_EAPIS: 5 6 7 8
# @BLURB: functions to query common info about the toolchain
# @DESCRIPTION:
# The toolchain-funcs aims to provide a complete suite of functions
@ -12,6 +13,12 @@
# in such a way that you can rely on the function always returning
# something sane.
case ${EAPI:-0} in
# EAPI=0 is still used by crossdev, bug #797367
0|5|6|7|8) ;;
*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
esac
if [[ -z ${_TOOLCHAIN_FUNCS_ECLASS} ]]; then
_TOOLCHAIN_FUNCS_ECLASS=1
@ -505,12 +512,21 @@ tc-ld-is-lld() {
# If the gold linker is currently selected, configure the compilation
# settings so that we use the older bfd linker instead.
tc-ld-disable-gold() {
if ! tc-ld-is-gold "$@" ; then
# They aren't using gold, so nothing to do!
tc-ld-is-gold "$@" && tc-ld-force-bfd "$@"
}
# @FUNCTION: tc-ld-force-bfd
# @USAGE: [toolchain prefix]
# @DESCRIPTION:
# If the gold or lld linker is currently selected, configure the compilation
# settings so that we use the bfd linker instead.
tc-ld-force-bfd() {
if ! tc-ld-is-gold "$@" && ! tc-ld-is-lld "$@" ; then
# They aren't using gold or lld, so nothing to do!
return
fi
ewarn "Forcing usage of the BFD linker instead of GOLD"
ewarn "Forcing usage of the BFD linker"
# Set up LD to point directly to bfd if it's available.
# We need to extract the first word in case there are flags appended
@ -520,7 +536,7 @@ tc-ld-disable-gold() {
local path_ld=$(which "${bfd_ld}" 2>/dev/null)
[[ -e ${path_ld} ]] && export LD=${bfd_ld}
# Set up LDFLAGS to select gold based on the gcc / clang version.
# Set up LDFLAGS to select bfd based on the gcc / clang version.
local fallback="true"
if tc-is-gcc; then
local major=$(gcc-major-version "$@")
@ -548,7 +564,7 @@ tc-ld-disable-gold() {
ln -sf "${path_ld}" "${d}"/ld
export LDFLAGS="${LDFLAGS} -B${d}"
else
die "unable to locate a BFD linker to bypass gold"
die "unable to locate a BFD linker"
fi
fi
}
@ -665,7 +681,7 @@ ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
mips*) echo mips;;
nios2*) echo nios2;;
nios*) echo nios;;
or1k|or32*) echo openrisc;;
or1k*|or32*) echo openrisc;;
powerpc*)
# Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees
# have been unified into simply 'powerpc', but until 2.6.16,