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eclass/multilib: Sync with gentoo
It's from gentoo commit f64708850264e93cb54c8857d6eb459a4faf274e.
This commit is contained in:
Krzesimir Nowak
parent
fca1b3d2a6
commit
43b14b0700
@ -1,14 +1,20 @@
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# Copyright 1999-2015 Gentoo Foundation
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# Copyright 1999-2021 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: multilib.eclass
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# @MAINTAINER:
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# amd64@gentoo.org
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# toolchain@gentoo.org
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# @SUPPORTED_EAPIS: 5 6 7 8
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# @BLURB: This eclass is for all functions pertaining to handling multilib configurations.
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# @DESCRIPTION:
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# This eclass is for all functions pertaining to handling multilib configurations.
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case ${EAPI:-0} in
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# EAPI=0 is still used by crossdev, bug #797367
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0|5|6|7|8) ;;
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*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
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esac
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if [[ -z ${_MULTILIB_ECLASS} ]]; then
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_MULTILIB_ECLASS=1
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@ -48,7 +54,7 @@ has_multilib_profile() {
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# fall back on old behavior. Any profile that has these set should also
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# depend on a newer version of portage (not yet released) which uses these
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# over CONF_LIBDIR in econf, dolib, etc...
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if has "${EAPI:-0}" 0 1 2 3 4 5; then
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if [[ ${EAPI} == [05] ]] ; then
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get_libdir() {
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local CONF_LIBDIR
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if [ -n "${CONF_LIBDIR_OVERRIDE}" ] ; then
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@ -294,11 +300,22 @@ get_modname() {
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}
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# This is for the toolchain to setup profile variables when pulling in
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# a crosscompiler (and thus they aren't set in the profile)
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# a crosscompiler (and thus they aren't set in the profile).
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multilib_env() {
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local CTARGET=${1:-${CTARGET}}
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local cpu=${CTARGET%%*-}
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if [[ ${CTARGET} = *-musl* ]]; then
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# musl has no multilib support and can run only in 'lib':
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# - https://bugs.gentoo.org/675954
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# - https://gcc.gnu.org/PR90077
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# - https://github.com/gentoo/musl/issues/245
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: ${MULTILIB_ABIS=default}
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: ${DEFAULT_ABI=default}
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export MULTILIB_ABIS DEFAULT_ABI
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return
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fi
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case ${cpu} in
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aarch64*)
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# Not possible to do multilib with aarch64 and a single toolchain.
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@ -386,19 +403,43 @@ multilib_env() {
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: ${DEFAULT_ABI=ppc64}
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;;
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riscv64*)
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export CFLAGS_lp64d=${CFLAGS_lp64d--mabi=lp64d}
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export CFLAGS_lp64d=${CFLAGS_lp64d--mabi=lp64d -march=rv64imafdc}
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export CHOST_lp64d=${CTARGET}
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export CTARGET_lp64d=${CTARGET}
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export LIBDIR_lp64d="lib64/lp64d"
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export LIBDIR_lp64d=${LIBDIR_lp64d-lib64/lp64d}
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export CFLAGS_lp64=${CFLAGS_lp64--mabi=lp64}
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export CFLAGS_lp64=${CFLAGS_lp64--mabi=lp64 -march=rv64imac}
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export CHOST_lp64=${CTARGET}
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export CTARGET_lp64=${CTARGET}
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export LIBDIR_lp64="lib64/lp64"
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export LIBDIR_lp64=${LIBDIR_lp64-lib64/lp64}
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: ${MULTILIB_ABIS=lp64d lp64}
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export CFLAGS_ilp32d=${CFLAGS_ilp32d--mabi=ilp32d -march=rv32imafdc}
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export CHOST_ilp32d=${CTARGET/riscv64/riscv32}
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export CTARGET_ilp32d=${CTARGET/riscv64/riscv32}
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export LIBDIR_ilp32d=${LIBDIR_ilp32d-lib32/ilp32d}
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export CFLAGS_ilp32=${CFLAGS_ilp32--mabi=ilp32 -march=rv32imac}
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export CHOST_ilp32=${CTARGET/riscv64/riscv32}
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export CTARGET_ilp32=${CTARGET/riscv64/riscv32}
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export LIBDIR_ilp32=${LIBDIR_ilp32-lib32/ilp32}
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: ${MULTILIB_ABIS=lp64d lp64 ilp32d ilp32}
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: ${DEFAULT_ABI=lp64d}
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;;
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riscv32*)
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export CFLAGS_ilp32d=${CFLAGS_ilp32d--mabi=ilp32d}
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export CHOST_ilp32d=${CTARGET}
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export CTARGET_ilp32d=${CTARGET}
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export LIBDIR_ilp32d=${LIBDIR_ilp32d-lib32/ilp32d}
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export CFLAGS_ilp32=${CFLAGS_ilp32--mabi=ilp32 -march=rv32imac}
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export CHOST_ilp32=${CTARGET}
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export CTARGET_ilp32=${CTARGET}
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export LIBDIR_ilp32=${LIBDIR_ilp32-lib32/ilp32}
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: ${MULTILIB_ABIS=ilp32d ilp32}
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: ${DEFAULT_ABI=ilp32d}
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;;
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s390x*)
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export CFLAGS_s390=${CFLAGS_s390--m31} # the 31 is not a typo
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export CHOST_s390=${CTARGET/s390x/s390}
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@ -445,9 +486,32 @@ multilib_toolchain_setup() {
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export ABI=$1
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local save_restore_variables=(
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CBUILD
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CHOST
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AR
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CC
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CXX
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F77
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FC
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LD
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NM
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OBJCOPY
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OBJDUMP
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PKG_CONFIG
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RANLIB
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READELF
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STRINGS
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STRIP
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PKG_CONFIG_LIBDIR
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PKG_CONFIG_PATH
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PKG_CONFIG_SYSTEM_INCLUDE_PATH
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PKG_CONFIG_SYSTEM_LIBRARY_PATH
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)
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# First restore any saved state we have laying around.
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if [[ ${_DEFAULT_ABI_SAVED} == "true" ]] ; then
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for v in CHOST CBUILD AS CC CXX F77 FC LD PKG_CONFIG_{LIBDIR,PATH} ; do
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for v in "${save_restore_variables[@]}" ; do
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vv="_abi_saved_${v}"
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[[ ${!vv+set} == "set" ]] && export ${v}="${!vv}" || unset ${v}
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unset ${vv}
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@ -455,11 +519,9 @@ multilib_toolchain_setup() {
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unset _DEFAULT_ABI_SAVED
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fi
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# We want to avoid the behind-the-back magic of gcc-config as it
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# screws up ccache and distcc. See #196243 for more info.
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if [[ ${ABI} != ${DEFAULT_ABI} ]] ; then
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# Back that multilib-ass up so we can restore it later
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for v in CHOST CBUILD AS CC CXX F77 FC LD PKG_CONFIG_{LIBDIR,PATH} ; do
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# Backup multilib state so we can restore it later
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for v in "${save_restore_variables[@]}" ; do
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vv="_abi_saved_${v}"
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[[ ${!v+set} == "set" ]] && export ${vv}="${!v}" || unset ${vv}
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done
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@ -472,15 +534,30 @@ multilib_toolchain_setup() {
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# Set the CHOST native first so that we pick up the native
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# toolchain and not a cross-compiler by accident #202811.
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#
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# Make sure ${save_restore_variables[@]} list matches below.
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export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
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export AR="$(tc-getAR)" # Avoid 'ar', use '${CHOST}-ar'
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export CC="$(tc-getCC) $(get_abi_CFLAGS)"
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export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
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export F77="$(tc-getF77) $(get_abi_CFLAGS)"
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export FC="$(tc-getFC) $(get_abi_CFLAGS)"
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export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
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export NM="$(tc-getNM)" # Avoid 'nm', use '${CHOST}-nm'
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export OBJCOPY="$(tc-getOBJCOPY)" # Avoid 'objcopy', use '${CHOST}-objcopy'
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export OBJDUMP="$(tc-getOBJDUMP)" # Avoid 'objdump', use '${CHOST}-objdump'
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export PKG_CONFIG="$(tc-getPKG_CONFIG)"
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export RANLIB="$(tc-getRANLIB)" # Avoid 'ranlib', use '${CHOST}-ranlib'
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export READELF="$(tc-getREADELF)" # Avoid 'readelf', use '${CHOST}-readelf'
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export STRINGS="$(tc-getSTRINGS)" # Avoid 'strings', use '${CHOST}-strings'
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export STRIP="$(tc-getSTRIP)" # Avoid 'strip', use '${CHOST}-strip'
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export CHOST=$(get_abi_CHOST $1)
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export PKG_CONFIG_LIBDIR=${EPREFIX}/usr/$(get_libdir)/pkgconfig
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export PKG_CONFIG_PATH=${EPREFIX}/usr/share/pkgconfig
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export PKG_CONFIG_SYSTEM_INCLUDE_PATH=${EPREFIX}/usr/include
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export PKG_CONFIG_SYSTEM_LIBRARY_PATH=${EPREFIX}/$(get_libdir):${EPREFIX}/usr/$(get_libdir)
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fi
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}
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