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eclass/toolchain: Sync with Gentoo

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It's from Gentoo commit 729c11d560d55971b8f46295fce77afc4e895265.
This commit is contained in:
Flatcar Buildbot 2024-11-25 07:07:56 +00:00 committed by Krzesimir Nowak
parent c04ff0bb16
commit f6fc178414
1 changed files with 32 additions and 12 deletions
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44
sdk_container/src/third_party/portage-stable/eclass/toolchain.eclass vendored
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@ -333,6 +333,7 @@ if [[ ${PN} != kgcc64 && ${PN} != gcc-* ]] ; then
# it was disabled in 13.
tc_version_is_at_least 14.0.0_pre20230423 ${PV} && IUSE+=" rust" TC_FEATURES+=( rust )
tc_version_is_at_least 14.2.1_p20241026 ${PV} && IUSE+=" time64"
tc_version_is_at_least 15.0.0_pre20241124 ${PV} && IUSE+=" libdiagnostics"
fi
if tc_version_is_at_least 10; then
@ -575,6 +576,19 @@ toolchain_pkg_pretend() {
_tc_use_if_iuse objc++ && \
ewarn 'Obj-C++ requires a C++ compiler, disabled due to USE="-cxx"'
fi
# Do the check for pure source builds only, since the override
# cannot work with binary packages, see https://bugs.gentoo.org/944198
if [[ ${BUILD_TYPE} == source ]] && in_iuse time64 && ! use time64 &&
has_version -r "${CATEGORY}/${PN}[time64(-)]" &&
[[ ! ${TC_FORCE_TIME32} ]]
then
eerror "Attempting to build USE=-time64 version of gcc when at least"
eerror "one USE=time64 version is installed. Did you accidentally"
eerror "switch back to a non-time64 profile? If this is really"
eerror "desirable, set TC_FORCE_TIME32=1 to force the build."
die "Attempting to build USE=-time64 on a USE=time64 system"
fi
}
#---->> pkg_setup <<----
@ -1065,7 +1079,7 @@ toolchain_src_configure() {
downgrade_arch_flags
gcc_do_filter_flags
if tc_version_is_at_least 14.2.1_p20241026 ${PV}; then
if [[ ${PN} != kgcc64 && ${PN} != gcc-* ]] && tc_version_is_at_least 14.2.1_p20241026 ${PV}; then
append-cppflags "-D_GENTOO_TIME64_FORCE=$(usex time64 1 0)"
fi
@ -1185,11 +1199,13 @@ toolchain_src_configure() {
if grep -q "experimental" gcc/DEV-PHASE ; then
# Tell users about the non-obvious behavior here so they don't think
# e.g. the next GCC release is super slow to compile things.
ewarn "Unreleased GCCs default to extra runtime checks even with USE=-debug,"
ewarn "matching upstream default behavior. We recommend keeping these enabled."
ewarn "The checks (sometimes substantially) increase build time but provide important protection"
ewarn "from potential miscompilations (wrong code) by turning them into build-time errors."
ewarn "To override (not recommended), set: GCC_CHECKS_LIST=\"release\"."
if ! use debug ; then
ewarn "Unreleased GCCs default to extra runtime checks even with USE=-debug,"
ewarn "matching upstream default behavior. We recommend keeping these enabled."
ewarn "The checks (sometimes substantially) increase build time but provide important protection"
ewarn "from potential miscompilations (wrong code) by turning them into build-time errors."
ewarn "To override (not recommended), set: GCC_CHECKS_LIST=\"release\"."
fi
# - USE=debug for pre-releases: yes,extra,rtl (stornger than USE=debug for releases)
# - USE=-debug for pre-releases: yes,extra (following upstream default)
@ -1588,6 +1604,7 @@ toolchain_src_configure() {
enable_cet_for 'x86_64' 'gnu' 'cet'
enable_cet_for 'aarch64' 'gnu' 'standard-branch-protection'
[[ ${CTARGET} == i[34567]86-* ]] && confgcc+=( --disable-cet )
fi
if in_iuse systemtap ; then
@ -1729,8 +1746,8 @@ toolchain_src_configure() {
gcc_shell="${BROOT}"/bin/sh
fi
if is_jit ; then
einfo "Configuring JIT gcc"
if is_jit || _tc_use_if_iuse libdiagnostics ; then
einfo "Configuring shared gcc for JIT/libdiagnostics"
local confgcc_jit=(
"${confgcc[@]}"
@ -1754,8 +1771,10 @@ toolchain_src_configure() {
--disable-nls
--disable-objc-gc
--disable-systemtap
--enable-host-shared
--enable-languages=jit
# Might be used for the just-built GCC. Easier to just
# respect USE=graphite here in case the user passes some
# graphite flags rather than try strip them out.
@ -1764,6 +1783,10 @@ toolchain_src_configure() {
--with-system-zlib
)
if tc_version_is_at_least 15.0.0_pre20241124 ${PV} ; then
confgcc_jit+=( $(use_enable libdiagnostics) )
fi
if tc_version_is_at_least 13.1 ; then
confgcc_jit+=( --disable-fixincludes )
fi
@ -1956,6 +1979,7 @@ gcc_do_filter_flags() {
if ver_test -lt 15.1 ; then
filter-flags -fdiagnostics-explain-harder -fdiagnostics-details
filter-flags -fdiagnostics-set-output=text:experimental-nesting=yes
fi
if is_d ; then
@ -2267,10 +2291,6 @@ toolchain_src_test() {
GCC_TESTS_CFLAGS+=" -fno-stack-clash-protection"
GCC_TESTS_CXXFLAGS+=" -fno-stack-clash-protection"
# configure defaults to '-O2 -g' and some tests expect it
# accordingly.
GCC_TESTS_CFLAGS+=" -g"
# TODO: Does this handle s390 (-m31) correctly?
# TODO: What if there are multiple ABIs like x32 too?
# XXX: Disabled until validate_failures.py can handle 'variants'