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toolchain-funcs.eclass: new function tc-ld-force-bfd()

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No functions currently force ld.bfd usage when ld.lld is active.
This function forces ld.bfd when either ld.gold or ld.lld is active.
tc-ld-disable-gold() now calls this new function
 only if ld.gold is active.

Package-Manager: Portage-3.0.14, Repoman-3.0.2
Signed-off-by: Theo Anderson <telans@posteo.de>
Closes: https://github.com/gentoo/gentoo/pull/19116
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
This commit is contained in:
Theo Anderson
2021-01-21 23:51:03 +13:00
committed by Sergei Trofimovich
parent bf2897ce5f
commit e93396171a
1 changed files with 15 additions and 6 deletions
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21
eclass/toolchain-funcs.eclass
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@@ -1,4 +1,4 @@
# 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
@@ -505,12 +505,21 @@ 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 "$@" ; then
# They aren't using gold or lld, so nothing to do!
return
fi
ewarn "Forcing usage of the BFD linker instead of GOLD"
ewarn "Forcing usage of the BFD linker"
# Set up LD to point directly to bfd if it's available.
# We need to extract the first word in case there are flags appended
@@ -520,7 +529,7 @@ tc-ld-disable-gold() {
local path_ld=$(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 +557,7 @@ 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
}