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eclass/toolchain-funcs: Sync with Gentoo

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It's from Gentoo commit d719ea13be2cd289a371806b226aff218c30f07f.
This commit is contained in:
Flatcar Buildbot 2023-08-07 07:13:10 +00:00 committed by Krzesimir Nowak
parent 650ff58100
commit 01078dc0a5
1 changed files with 23 additions and 49 deletions
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58
sdk_container/src/third_party/portage-stable/eclass/toolchain-funcs.eclass vendored
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@ -534,43 +534,16 @@ tc-ld-force-bfd() {
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
# to its value (like multilib). #545218
local ld=$(tc-getLD "$@")
# We need to extract the first word in case there are flags appended
# to its value (like multilib), bug #545218.
local bfd_ld="${ld%% *}.bfd"
local path_ld=$(type -P "${bfd_ld}" 2>/dev/null)
[[ -e ${path_ld} ]] && export LD=${bfd_ld}
# Set up LDFLAGS to select bfd based on the gcc / clang version.
local fallback="true"
if tc-is-gcc; then
local major=$(gcc-major-version "$@")
local minor=$(gcc-minor-version "$@")
if [[ ${major} -gt 4 ]] || [[ ${major} -eq 4 && ${minor} -ge 8 ]]; then
# gcc-4.8+ supports -fuse-ld directly.
if tc-is-gcc || tc-is-clang ; then
export LDFLAGS="${LDFLAGS} -fuse-ld=bfd"
fallback="false"
fi
elif tc-is-clang; then
local major=$(clang-major-version "$@")
local minor=$(clang-minor-version "$@")
if [[ ${major} -gt 3 ]] || [[ ${major} -eq 3 && ${minor} -ge 5 ]]; then
# clang-3.5+ supports -fuse-ld directly.
export LDFLAGS="${LDFLAGS} -fuse-ld=bfd"
fallback="false"
fi
fi
if [[ ${fallback} == "true" ]] ; then
# <=gcc-4.7 and <=clang-3.4 require some coercion.
# Only works if bfd exists.
if [[ -e ${path_ld} ]] ; then
local d="${T}/bfd-linker"
mkdir -p "${d}"
ln -sf "${path_ld}" "${d}"/ld
export LDFLAGS="${LDFLAGS} -B${d}"
else
die "unable to locate a BFD linker"
fi
fi
}
@ -647,6 +620,7 @@ tc-has-tls() {
return *i ? j : *i;
}
EOF
local flags
case $1 in
-s) flags="-S";;
@ -654,6 +628,7 @@ tc-has-tls() {
-l) ;;
-*) die "Usage: tc-has-tls [-c|-l] [toolchain prefix]";;
esac
: "${flags:=-fPIC -shared -Wl,-z,defs}"
[[ $1 == -* ]] && shift
$(tc-getCC "$@") ${flags} "${base}.c" -o "${base}" >&/dev/null
@ -666,7 +641,7 @@ tc-has-tls() {
# Parse information from CBUILD/CHOST/CTARGET rather than
# use external variables from the profile.
tc-ninja_magic_to_arch() {
ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
_tc_echo_kernel_alias() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
local type=$1
local host=$2
@ -676,16 +651,16 @@ tc-ninja_magic_to_arch() {
aarch64*) echo arm64;;
alpha*) echo alpha;;
arm*) echo arm;;
avr*) ninj avr32 avr;;
bfin*) ninj blackfin bfin;;
avr*) _tc_echo_kernel_alias avr32 avr;;
bfin*) _tc_echo_kernel_alias blackfin bfin;;
c6x*) echo c6x;;
cris*) echo cris;;
frv*) echo frv;;
hexagon*) echo hexagon;;
hppa*) ninj parisc hppa;;
hppa*) _tc_echo_kernel_alias parisc hppa;;
i?86*) echo x86;;
ia64*) echo ia64;;
loongarch*) ninj loongarch loong;;
loongarch*) _tc_echo_kernel_alias loongarch loong;;
m68*) echo m68k;;
metag*) echo metag;;
microblaze*) echo microblaze;;
@ -708,11 +683,11 @@ tc-ninja_magic_to_arch() {
riscv*) echo riscv;;
s390*) echo s390;;
score*) echo score;;
sh64*) ninj sh64 sh;;
sh64*) _tc_echo_kernel_alias sh64 sh;;
sh*) echo sh;;
sparc64*) ninj sparc64 sparc;;
sparc64*) _tc_echo_kernel_alias sparc64 sparc;;
sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
&& ninj sparc64 sparc \
&& _tc_echo_kernel_alias sparc64 sparc \
|| echo sparc
;;
tile*) echo tile;;
@ -1058,17 +1033,16 @@ gen_usr_ldscript() {
tc-is-static-only && return
# We only care about stuffing / for the native ABI. #479448
# We only care about stuffing / for the native ABI, bug #479448
if [[ $(type -t multilib_is_native_abi) == "function" ]] ; then
multilib_is_native_abi || return 0
fi
# Eventually we'd like to get rid of this func completely #417451
# Eventually we'd like to get rid of this func completely, bug #417451
case ${CTARGET:-${CHOST}} in
*-darwin*) ;;
*-android*) return 0 ;;
*linux*)
use prefix && return 0 ;;
*linux*) use prefix && return 0 ;;
*) return 0 ;;
esac