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568 lines
15 KiB
568 lines
15 KiB
# Copyright 1999-2022 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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# toolchain@gentoo.org
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# @SUPPORTED_EAPIS: 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 ${EAPI} in
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6|7|8) ;;
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*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
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esac
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if [[ -z ${_MULTILIB_ECLASS} ]]; then
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_MULTILIB_ECLASS=1
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inherit toolchain-funcs
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# Defaults:
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export MULTILIB_ABIS=${MULTILIB_ABIS:-"default"}
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export DEFAULT_ABI=${DEFAULT_ABI:-"default"}
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export CFLAGS_default
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export LDFLAGS_default
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export CHOST_default=${CHOST_default:-${CHOST}}
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export CTARGET_default=${CTARGET_default:-${CTARGET:-${CHOST_default}}}
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export LIBDIR_default=${CONF_LIBDIR:-"lib"}
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export KERNEL_ABI=${KERNEL_ABI:-${DEFAULT_ABI}}
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# @FUNCTION: has_multilib_profile
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# @DESCRIPTION:
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# Return true if the current profile is a multilib profile and lists more than
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# one abi in ${MULTILIB_ABIS}. When has_multilib_profile returns true, that
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# profile should enable the 'multilib' use flag. This is so you can DEPEND on
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# a package only for multilib or not multilib.
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has_multilib_profile() {
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[ -n "${MULTILIB_ABIS}" -a "${MULTILIB_ABIS}" != "${MULTILIB_ABIS/ /}" ]
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}
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# @FUNCTION: get_abi_var
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# @USAGE: <VAR> [ABI]
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# @RETURN: returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
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# @INTERNAL
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# @DESCRIPTION:
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# ex:
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# CFLAGS=$(get_abi_var CFLAGS sparc32) # CFLAGS=-m32
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#
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# Note that the prefered method is to set CC="$(tc-getCC) $(get_abi_CFLAGS)"
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# This will hopefully be added to portage soon...
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#
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# If <ABI> is not specified, ${ABI} is used.
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# If <ABI> is not specified and ${ABI} is not defined, ${DEFAULT_ABI} is used.
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# If <ABI> is not specified and ${ABI} and ${DEFAULT_ABI} are not defined, we return an empty string.
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get_abi_var() {
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local flag=$1
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local abi=${2:-${ABI:-${DEFAULT_ABI:-default}}}
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local var="${flag}_${abi}"
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echo ${!var}
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}
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# @FUNCTION: get_abi_CFLAGS
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# @USAGE: [ABI]
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# @DESCRIPTION:
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# Alias for 'get_abi_var CFLAGS'
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get_abi_CFLAGS() { get_abi_var CFLAGS "$@"; }
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# @FUNCTION: get_abi_LDFLAGS
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# @USAGE: [ABI]
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# @DESCRIPTION:
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# Alias for 'get_abi_var LDFLAGS'
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get_abi_LDFLAGS() { get_abi_var LDFLAGS "$@"; }
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# @FUNCTION: get_abi_CHOST
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# @USAGE: [ABI]
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# @DESCRIPTION:
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# Alias for 'get_abi_var CHOST'
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get_abi_CHOST() { get_abi_var CHOST "$@"; }
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# @FUNCTION: get_abi_CTARGET
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# @USAGE: [ABI]
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# @DESCRIPTION:
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# Alias for 'get_abi_var CTARGET'
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get_abi_CTARGET() { get_abi_var CTARGET "$@"; }
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# @FUNCTION: get_abi_FAKE_TARGETS
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# @USAGE: [ABI]
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# @DESCRIPTION:
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# Alias for 'get_abi_var FAKE_TARGETS'
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get_abi_FAKE_TARGETS() { get_abi_var FAKE_TARGETS "$@"; }
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# @FUNCTION: get_abi_LIBDIR
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# @USAGE: [ABI]
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# @DESCRIPTION:
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# Alias for 'get_abi_var LIBDIR'
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get_abi_LIBDIR() { get_abi_var LIBDIR "$@"; }
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# @FUNCTION: get_install_abis
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# @DESCRIPTION:
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# Return a list of the ABIs we want to install for with
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# the last one in the list being the default.
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get_install_abis() {
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local x order=""
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if [[ -z ${MULTILIB_ABIS} ]] ; then
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echo "default"
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return 0
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fi
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if [[ ${EMULTILIB_PKG} == "true" ]] ; then
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for x in ${MULTILIB_ABIS} ; do
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if [[ ${x} != "${DEFAULT_ABI}" ]] ; then
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has ${x} ${ABI_DENY} || order="${order} ${x}"
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fi
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done
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has ${DEFAULT_ABI} ${ABI_DENY} || order="${order} ${DEFAULT_ABI}"
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if [[ -n ${ABI_ALLOW} ]] ; then
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local ordera=""
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for x in ${order} ; do
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if has ${x} ${ABI_ALLOW} ; then
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ordera="${ordera} ${x}"
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fi
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done
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order=${ordera}
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fi
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else
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order=${DEFAULT_ABI}
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fi
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if [[ -z ${order} ]] ; then
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die "The ABI list is empty. Are you using a proper multilib profile? Perhaps your USE flags or MULTILIB_ABIS are too restrictive for this package."
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fi
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echo ${order}
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return 0
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}
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# @FUNCTION: get_all_abis
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# @DESCRIPTION:
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# Return a list of the ABIs supported by this profile.
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# the last one in the list being the default.
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get_all_abis() {
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local x order="" mvar dvar
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mvar="MULTILIB_ABIS"
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dvar="DEFAULT_ABI"
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if [[ -n $1 ]] ; then
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mvar="$1_${mvar}"
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dvar="$1_${dvar}"
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fi
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if [[ -z ${!mvar} ]] ; then
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echo "default"
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return 0
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fi
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for x in ${!mvar}; do
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if [[ ${x} != ${!dvar} ]] ; then
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order="${order:+${order} }${x}"
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fi
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done
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order="${order:+${order} }${!dvar}"
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echo ${order}
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return 0
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}
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# @FUNCTION: get_all_libdirs
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# @DESCRIPTION:
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# Returns a list of all the libdirs used by this profile. This includes
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# those that might not be touched by the current ebuild and always includes
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# "lib".
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get_all_libdirs() {
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local libdirs abi
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for abi in ${MULTILIB_ABIS}; do
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libdirs+=" $(get_abi_LIBDIR ${abi})"
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done
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[[ " ${libdirs} " != *" lib "* ]] && libdirs+=" lib"
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echo "${libdirs}"
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}
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# @FUNCTION: is_final_abi
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# @DESCRIPTION:
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# Return true if ${ABI} is the last ABI on our list (or if we're not
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# using the new multilib configuration. This can be used to determine
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# if we're in the last (or only) run through src_{unpack,compile,install}
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is_final_abi() {
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has_multilib_profile || return 0
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set -- $(get_install_abis)
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local LAST_ABI=$#
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[[ ${!LAST_ABI} == ${ABI} ]]
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}
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# @FUNCTION: number_abis
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# @DESCRIPTION:
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# echo the number of ABIs we will be installing for
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number_abis() {
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set -- `get_install_abis`
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echo $#
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}
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# @FUNCTION: get_exeext
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# @DESCRIPTION:
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# Returns standard executable program suffix (null, .exe, etc.)
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# for the current platform identified by CHOST.
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#
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# Example:
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# get_exeext
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# Returns: null string (almost everywhere) || .exe (mingw*) || ...
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get_exeext() {
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case ${CHOST} in
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*-cygwin*|mingw*|*-mingw*) echo ".exe";;
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esac
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}
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# @FUNCTION: get_libname
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# @USAGE: [version]
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# @DESCRIPTION:
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# Returns libname with proper suffix {.so,.dylib,.dll,etc} and optionally
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# supplied version for the current platform identified by CHOST.
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#
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# Example:
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# get_libname ${PV}
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# Returns: .so.${PV} (ELF) || .${PV}.dylib (MACH) || ...
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get_libname() {
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local libname
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local ver=$1
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case ${CHOST} in
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*-cygwin*) libname="dll.a";; # import lib
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mingw*|*-mingw*) libname="dll";;
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*-darwin*) libname="dylib";;
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*-mint*) libname="irrelevant";;
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hppa*-hpux*) libname="sl";;
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*) libname="so";;
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esac
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if [[ -z $* ]] ; then
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echo ".${libname}"
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else
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for ver in "$@" ; do
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case ${CHOST} in
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*-cygwin*) echo ".${ver}.${libname}";;
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*-darwin*) echo ".${ver}.${libname}";;
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*-mint*) echo ".${libname}";;
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*) echo ".${libname}.${ver}";;
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esac
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done
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fi
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}
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# @FUNCTION: get_modname
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# @USAGE:
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# @DESCRIPTION:
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# Returns modulename with proper suffix {.so,.bundle,etc} for the current
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# platform identified by CHOST.
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#
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# Example:
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# libfoo$(get_modname)
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# Returns: libfoo.so (ELF) || libfoo.bundle (MACH) || ...
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get_modname() {
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local modname
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local ver=$1
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case ${CHOST} in
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*-darwin*) modname="bundle";;
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*) modname="so";;
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esac
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echo ".${modname}"
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}
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# @FUNCTION: multilib_env
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# @USAGE:
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# @DESCRIPTION:
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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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#
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# This must only be used by toolchain packages.
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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 ${cpu} in
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aarch64*)
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# Not possible to do multilib with aarch64 and a single toolchain.
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export CFLAGS_arm=${CFLAGS_arm-}
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case ${cpu} in
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aarch64*be) export CHOST_arm="armv8b-${CTARGET#*-}";;
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*) export CHOST_arm="armv8l-${CTARGET#*-}";;
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esac
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CHOST_arm=${CHOST_arm/%-gnu/-gnueabi}
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export CTARGET_arm=${CHOST_arm}
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export LIBDIR_arm="lib"
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export CFLAGS_arm64=${CFLAGS_arm64-}
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export CHOST_arm64=${CTARGET}
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export CTARGET_arm64=${CHOST_arm64}
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export LIBDIR_arm64="lib64"
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: ${MULTILIB_ABIS=arm64}
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: ${DEFAULT_ABI=arm64}
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;;
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x86_64*)
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export CFLAGS_x86=${CFLAGS_x86--m32}
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export CHOST_x86=${CTARGET/x86_64/i686}
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CHOST_x86=${CHOST_x86/%-gnux32/-gnu}
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export CTARGET_x86=${CHOST_x86}
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if [[ ${SYMLINK_LIB} == "yes" ]] ; then
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export LIBDIR_x86="lib32"
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else
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export LIBDIR_x86="lib"
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fi
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export CFLAGS_amd64=${CFLAGS_amd64--m64}
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export CHOST_amd64=${CTARGET/%-gnux32/-gnu}
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export CTARGET_amd64=${CHOST_amd64}
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export LIBDIR_amd64="lib64"
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export CFLAGS_x32=${CFLAGS_x32--mx32}
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export CHOST_x32=${CTARGET/%-gnu/-gnux32}
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export CTARGET_x32=${CHOST_x32}
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export LIBDIR_x32="libx32"
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case ${CTARGET} in
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*-gnux32)
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: ${MULTILIB_ABIS=x32 amd64 x86}
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: ${DEFAULT_ABI=x32}
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;;
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*)
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: ${MULTILIB_ABIS=amd64 x86}
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: ${DEFAULT_ABI=amd64}
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;;
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esac
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;;
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loongarch64*)
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export CFLAGS_lp64d=${CFLAGS_lp64d--mabi=lp64d}
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export CHOST_lp64d=${CTARGET}
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export CTARGET_lp64d=${CTARGET}
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export LIBDIR_lp64d=${LIBDIR_lp64d-lib64}
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: ${MULTILIB_ABIS=lp64d}
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: ${DEFAULT_ABI=lp64d}
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;;
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mips64*|mipsisa64*)
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export CFLAGS_o32=${CFLAGS_o32--mabi=32}
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export CHOST_o32=${CTARGET/mips64/mips}
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export CHOST_o32=${CHOST_o32/mipsisa64/mipsisa32}
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export CTARGET_o32=${CHOST_o32}
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export LIBDIR_o32="lib"
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export CFLAGS_n32=${CFLAGS_n32--mabi=n32}
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export CHOST_n32=${CTARGET}
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export CTARGET_n32=${CHOST_n32}
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export LIBDIR_n32="lib32"
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export CFLAGS_n64=${CFLAGS_n64--mabi=64}
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export CHOST_n64=${CTARGET}
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export CTARGET_n64=${CHOST_n64}
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export LIBDIR_n64="lib64"
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: ${MULTILIB_ABIS=n64 n32 o32}
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: ${DEFAULT_ABI=n32}
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;;
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powerpc64*)
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export CFLAGS_ppc=${CFLAGS_ppc--m32}
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export CHOST_ppc=${CTARGET/powerpc64/powerpc}
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export CTARGET_ppc=${CHOST_ppc}
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export LIBDIR_ppc="lib"
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export CFLAGS_ppc64=${CFLAGS_ppc64--m64}
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export CHOST_ppc64=${CTARGET}
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export CTARGET_ppc64=${CHOST_ppc64}
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export LIBDIR_ppc64="lib64"
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: ${MULTILIB_ABIS=ppc64 ppc}
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: ${DEFAULT_ABI=ppc64}
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;;
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riscv64*)
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: ${MULTILIB_ABIS=lp64d lp64 ilp32d ilp32}
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: ${DEFAULT_ABI=lp64d}
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# the default abi is set to the 1-level libdir default
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local _libdir_riscvdefaultabi_variable="LIBDIR_${DEFAULT_ABI}"
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local _libdir_riscvdefaultabi=${!_libdir_riscvdefaultabi_variable}
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export ${_libdir_riscvdefaultabi_variable}=${_libdir_riscvdefaultabi:-lib64}
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# all other abi are set to the 2-level libdir default
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export CFLAGS_lp64d=${CFLAGS_lp64d--mabi=lp64d -march=rv64gc}
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export CHOST_lp64d=${CTARGET}
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export CTARGET_lp64d=${CTARGET}
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export LIBDIR_lp64d=${LIBDIR_lp64d-lib64/lp64d}
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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=${CTARGET}
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export LIBDIR_lp64=${LIBDIR_lp64-lib64/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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;;
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riscv32*)
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: ${MULTILIB_ABIS=ilp32d ilp32}
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: ${DEFAULT_ABI=ilp32d}
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# the default abi is set to the 1-level libdir default
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local _libdir_riscvdefaultabi_variable="LIBDIR_${DEFAULT_ABI}"
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local _libdir_riscvdefaultabi=${!_libdir_riscvdefaultabi_variable}
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export ${_libdir_riscvdefaultabi_variable}=${_libdir_riscvdefaultabi:-lib}
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# all other abi are set to the 2-level libdir default
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export CFLAGS_ilp32d=${CFLAGS_ilp32d--mabi=ilp32d -march=rv32imafdc}
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export CHOST_ilp32d=${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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;;
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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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export CTARGET_s390=${CHOST_s390}
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export LIBDIR_s390="lib"
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export CFLAGS_s390x=${CFLAGS_s390x--m64}
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export CHOST_s390x=${CTARGET}
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export CTARGET_s390x=${CHOST_s390x}
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export LIBDIR_s390x="lib64"
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: ${MULTILIB_ABIS=s390x s390}
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: ${DEFAULT_ABI=s390x}
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;;
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sparc64*)
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export CFLAGS_sparc32=${CFLAGS_sparc32--m32}
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export CHOST_sparc32=${CTARGET/sparc64/sparc}
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export CTARGET_sparc32=${CHOST_sparc32}
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export LIBDIR_sparc32="lib"
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export CFLAGS_sparc64=${CFLAGS_sparc64--m64}
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export CHOST_sparc64=${CTARGET}
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export CTARGET_sparc64=${CHOST_sparc64}
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export LIBDIR_sparc64="lib64"
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: ${MULTILIB_ABIS=sparc64 sparc32}
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: ${DEFAULT_ABI=sparc64}
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;;
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*)
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: ${MULTILIB_ABIS=default}
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: ${DEFAULT_ABI=default}
|
|
;;
|
|
esac
|
|
|
|
export MULTILIB_ABIS DEFAULT_ABI
|
|
}
|
|
|
|
# @FUNCTION: multilib_toolchain_setup
|
|
# @DESCRIPTION:
|
|
# Hide multilib details here for packages which are forced to be compiled for a
|
|
# specific ABI when run on another ABI (like x86-specific packages on amd64)
|
|
multilib_toolchain_setup() {
|
|
local v vv
|
|
|
|
export ABI=$1
|
|
|
|
local save_restore_variables=(
|
|
CBUILD
|
|
CHOST
|
|
AR
|
|
CC
|
|
CXX
|
|
F77
|
|
FC
|
|
LD
|
|
NM
|
|
OBJCOPY
|
|
OBJDUMP
|
|
PKG_CONFIG
|
|
RANLIB
|
|
READELF
|
|
STRINGS
|
|
STRIP
|
|
PKG_CONFIG_LIBDIR
|
|
PKG_CONFIG_PATH
|
|
PKG_CONFIG_SYSTEM_INCLUDE_PATH
|
|
PKG_CONFIG_SYSTEM_LIBRARY_PATH
|
|
)
|
|
|
|
# First restore any saved state we have laying around.
|
|
if [[ ${_DEFAULT_ABI_SAVED} == "true" ]] ; then
|
|
for v in "${save_restore_variables[@]}" ; do
|
|
vv="_abi_saved_${v}"
|
|
[[ ${!vv+set} == "set" ]] && export ${v}="${!vv}" || unset ${v}
|
|
unset ${vv}
|
|
done
|
|
unset _DEFAULT_ABI_SAVED
|
|
fi
|
|
|
|
if [[ ${ABI} != ${DEFAULT_ABI} ]] ; then
|
|
# Backup multilib state so we can restore it later
|
|
for v in "${save_restore_variables[@]}" ; do
|
|
vv="_abi_saved_${v}"
|
|
[[ ${!v+set} == "set" ]] && export ${vv}="${!v}" || unset ${vv}
|
|
done
|
|
export _DEFAULT_ABI_SAVED="true"
|
|
|
|
# Set CBUILD only if not cross-compiling.
|
|
if [[ ${CBUILD} == "${CHOST}" ]]; then
|
|
export CBUILD=$(get_abi_CHOST $1)
|
|
fi
|
|
|
|
# Set the CHOST native first so that we pick up the native
|
|
# toolchain and not a cross-compiler by accident #202811.
|
|
#
|
|
# Make sure ${save_restore_variables[@]} list matches below.
|
|
export CHOST=$(get_abi_CHOST ${DEFAULT_ABI})
|
|
|
|
export AR="$(tc-getAR)" # Avoid 'ar', use '${CHOST}-ar'
|
|
export CC="$(tc-getCC) $(get_abi_CFLAGS)"
|
|
export CXX="$(tc-getCXX) $(get_abi_CFLAGS)"
|
|
export F77="$(tc-getF77) $(get_abi_CFLAGS)"
|
|
export FC="$(tc-getFC) $(get_abi_CFLAGS)"
|
|
export LD="$(tc-getLD) $(get_abi_LDFLAGS)"
|
|
export NM="$(tc-getNM)" # Avoid 'nm', use '${CHOST}-nm'
|
|
export OBJCOPY="$(tc-getOBJCOPY)" # Avoid 'objcopy', use '${CHOST}-objcopy'
|
|
export OBJDUMP="$(tc-getOBJDUMP)" # Avoid 'objdump', use '${CHOST}-objdump'
|
|
export PKG_CONFIG="$(tc-getPKG_CONFIG)"
|
|
export RANLIB="$(tc-getRANLIB)" # Avoid 'ranlib', use '${CHOST}-ranlib'
|
|
export READELF="$(tc-getREADELF)" # Avoid 'readelf', use '${CHOST}-readelf'
|
|
export STRINGS="$(tc-getSTRINGS)" # Avoid 'strings', use '${CHOST}-strings'
|
|
export STRIP="$(tc-getSTRIP)" # Avoid 'strip', use '${CHOST}-strip'
|
|
|
|
export CHOST=$(get_abi_CHOST $1)
|
|
export PKG_CONFIG_LIBDIR=${EPREFIX}/usr/$(get_libdir)/pkgconfig
|
|
export PKG_CONFIG_PATH=${EPREFIX}/usr/share/pkgconfig
|
|
export PKG_CONFIG_SYSTEM_INCLUDE_PATH=${EPREFIX}/usr/include
|
|
export PKG_CONFIG_SYSTEM_LIBRARY_PATH=${EPREFIX}/$(get_libdir):${EPREFIX}/usr/$(get_libdir)
|
|
fi
|
|
}
|
|
|
|
fi
|