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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 # Distributed under the terms of the GNU General Public License v2
# @ECLASS: toolchain-funcs.eclass # @ECLASS: toolchain-funcs.eclass
# @MAINTAINER: # @MAINTAINER:
# Toolchain Ninjas <toolchain@gentoo.org> # Toolchain Ninjas <toolchain@gentoo.org>
# @SUPPORTED_EAPIS: 5 6 7 8
# @BLURB: functions to query common info about the toolchain # @BLURB: functions to query common info about the toolchain
# @DESCRIPTION: # @DESCRIPTION:
# The toolchain-funcs aims to provide a complete suite of functions # 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 # in such a way that you can rely on the function always returning
# something sane. # 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 if [[ -z ${_TOOLCHAIN_FUNCS_ECLASS} ]]; then
_TOOLCHAIN_FUNCS_ECLASS=1 _TOOLCHAIN_FUNCS_ECLASS=1
@ -505,12 +512,21 @@ tc-ld-is-lld() {
# If the gold linker is currently selected, configure the compilation # If the gold linker is currently selected, configure the compilation
# settings so that we use the older bfd linker instead. # settings so that we use the older bfd linker instead.
tc-ld-disable-gold() { tc-ld-disable-gold() {
if ! tc-ld-is-gold "$@" ; then tc-ld-is-gold "$@" && tc-ld-force-bfd "$@"
# They aren't using gold, so nothing to do! }
# @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 return
fi 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. # 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 # 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) local path_ld=$(which "${bfd_ld}" 2>/dev/null)
[[ -e ${path_ld} ]] && export LD=${bfd_ld} [[ -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" local fallback="true"
if tc-is-gcc; then if tc-is-gcc; then
local major=$(gcc-major-version "$@") local major=$(gcc-major-version "$@")
@ -548,7 +564,7 @@ tc-ld-disable-gold() {
ln -sf "${path_ld}" "${d}"/ld ln -sf "${path_ld}" "${d}"/ld
export LDFLAGS="${LDFLAGS} -B${d}" export LDFLAGS="${LDFLAGS} -B${d}"
else else
die "unable to locate a BFD linker to bypass gold" die "unable to locate a BFD linker"
fi fi
fi fi
} }
@ -665,7 +681,7 @@ ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
mips*) echo mips;; mips*) echo mips;;
nios2*) echo nios2;; nios2*) echo nios2;;
nios*) echo nios;; nios*) echo nios;;
or1k|or32*) echo openrisc;; or1k*|or32*) echo openrisc;;
powerpc*) powerpc*)
# Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees
# have been unified into simply 'powerpc', but until 2.6.16, # have been unified into simply 'powerpc', but until 2.6.16,