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# Copyright 1999-2004 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.7 2005/01/13 00:48:39 eradicator Exp $
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#
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# Author: Jeremy Huddleston <eradicator@gentoo.org>
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#
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# This eclass is for all functions pertaining to handling multilib.
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# configurations.
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ECLASS=multilib
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INHERITED="$INHERITED $ECLASS"
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DESCRIPTION="Based on the ${ECLASS} eclass"
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# This function simply returns the desired lib directory. With portage
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# 2.0.51, we now have support for installing libraries to lib32/lib64
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# to accomidate the needs of multilib systems. It's no longer a good idea
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# to assume all libraries will end up in lib. Replace any (sane) instances
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# where lib is named directly with $(get_libdir) if possible.
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#
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# Travis Tilley <lv@gentoo.org> (24 Aug 2004)
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#
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# Jeremy Huddleston <eradicator@gentoo.org> (23 Dec 2004):
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# Added support for ${ABI} and ${DEFAULT_ABI}. If they're both not set,
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# fall back on old behavior. Any profile that has these set should also
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# depend on a newer version of portage (not yet released) which uses these
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# over CONF_LIBDIR in econf, dolib, etc...
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get_libdir() {
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LIBDIR_TEST=$(type econf)
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if [ ! -z "${CONF_LIBDIR_OVERRIDE}" ] ; then
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# if there is an override, we want to use that... always.
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CONF_LIBDIR="${CONF_LIBDIR_OVERRIDE}"
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elif [ -n "$(get_abi_LIBDIR)" ]; then
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CONF_LIBDIR="$(get_abi_LIBDIR)"
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elif [ "${LIBDIR_TEST/CONF_LIBDIR}" == "${LIBDIR_TEST}" ]; then # we don't have CONF_LIBDIR support
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# will be <portage-2.0.51_pre20
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CONF_LIBDIR="lib"
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fi
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# and of course, default to lib if CONF_LIBDIR isnt set
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echo ${CONF_LIBDIR:=lib}
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unset LIBDIR_TEST
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}
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get_multilibdir() {
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if [ -n "$(get_abi_LIBDIR)" ]; then
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eerror "get_multilibdir called, but it shouldn't be needed with the new multilib approach. Please file a bug at http://bugs.gentoo.org and assign it to eradicator@gentoo.org"
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exit 1
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fi
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echo ${CONF_MULTILIBDIR:=lib32}
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}
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# Sometimes you need to override the value returned by get_libdir. A good
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# example of this is xorg-x11, where lib32 isnt a supported configuration,
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# and where lib64 -must- be used on amd64 (for applications that need lib
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# to be 32bit, such as adobe acrobat). Note that this override also bypasses
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# portage version sanity checking.
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# get_libdir_override expects one argument, the result get_libdir should
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# return:
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#
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# get_libdir_override lib64
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#
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# Travis Tilley <lv@gentoo.org> (31 Aug 2004)
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get_libdir_override() {
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if [ -n "$(get_abi_LIBDIR)" ]; then
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eerror "get_libdir_override called, but it shouldn't be needed with the new multilib approach. Please file a bug at http://bugs.gentoo.org and assign it to eradicator@gentoo.org"
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exit 1
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fi
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CONF_LIBDIR="$1"
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CONF_LIBDIR_OVERRIDE="$1"
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}
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# get_abi_var <VAR> [<ABI>]
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# returns the value of ${<VAR>_<ABI>} which should be set in make.defaults
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#
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# ex:
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# CFLAGS=$(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 ${DEFAULT_ABI} are not defined, we return an empty string.
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#
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# Jeremy Huddleston <eradicator@gentoo.org>
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get_abi_var() {
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local flag=${1}
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local abi
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if [ $# -gt 1 ]; then
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abi=${2}
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elif [ -n "${ABI}" ]; then
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abi=${ABI}
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elif [ -n "${DEFAULT_ABI}" ]; then
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abi=${DEFAULT_ABI}
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else
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return 1
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fi
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local var="${flag}_${abi}"
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echo ${!var}
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}
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get_abi_CFLAGS() { get_abi_var CFLAGS ${@}; }
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get_abi_CDEFINE() { get_abi_var CDEFINE ${@}; }
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get_abi_LIBDIR() { get_abi_var LIBDIR ${@}; }
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# Return a list of the ABIs we want to install for with
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# the last one in the list being the default.
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get_abi_order() {
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local order=""
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if [ -z "${MULTILIB_ABIS}" ]; then
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echo "NOMULTILIB"
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return 1
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fi
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if hasq multilib-pkg-force ${RESTRICT} ||
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{ hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
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for x in ${MULTILIB_ABIS}; do
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if [ "${x}" != "${DEFAULT_ABI}" ]; then
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hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
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fi
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done
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hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}"
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if [ -n "${ABI_ALLOW}" ]; then
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local ordera=""
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for x in ${order}; do
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if hasq ${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 ${order}
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return 0
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}
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# get_all_libdir()
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# Returns a list of all the libdirs used by this profile. This includes
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# those that might not be touched by the current ebuild.
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get_all_libdirs() {
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local libdirs="lib"
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local abi
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local dir
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if [ -n "${MULTILIB_ABIS}" ]; then
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for abi in ${MULTILIB_ABIS}; do
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[ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
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done
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elif [ -n "${CONF_LIBDIR}" ]; then
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for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:=lib32}; do
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[ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
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done
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fi
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echo "${libdirs}"
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}
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# Return true if ${ABI} is the last ABI on our list (or if we're not
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# using the new multilib configuration. This can be used to determine
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# if we're in the last (or only) run through src_{unpack,compile,install}
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is_final_abi() {
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[ -z "${ABI}" ] && return 0
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local ALL_ABIS=$(get_abi_order)
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local LAST_ABI=${ALL_ABIS/* /}
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[ "${LAST_ABI}" = "${ABI}" ]
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}
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# echo the number of ABIs we will be installing for
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number_abis() {
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get_abi_order | wc -w
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}
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# prep_ml_includes:
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#
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# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
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# We can install them in different locations for each ABI and create a common
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# header which includes the right one based on CDEFINE_${ABI}. If your
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# package installs ABI-specific headers, just add 'prep_ml_includes' to the
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# end of your src_install(). It takes a list of directories that include
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# files are installed in (default is /usr/include if none are passed).
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#
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# Example:
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# src_install() {
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# ...
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# prep_ml_includes /usr/qt/3/include
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# }
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prep_ml_includes() {
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local dirs
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if [ ${#} -eq 0 ]; then
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dirs="/usr/include"
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else
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dirs="${@}"
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fi
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if [ $(number_abis) -gt 1 ]; then
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local dir
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for dir in ${dirs}; do
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mv ${D}/${dir} ${D}/${dir}.${ABI}
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done
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if is_final_abi; then
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for dir in ${dirs}; do
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local args="${dir}"
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local abi
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for abi in $(get_abi_order); do
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args="${args} $(get_abi_CDEFINE ${abi}):${dir}.${abi}"
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done
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create_ml_includes ${args}
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done
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fi
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fi
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}
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# If you need more control than prep_ml_includes can offer (like linux-headers
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# for the asm-* dirs, then use create_ml_includes. The firs argument is the
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# common dir. The remaining args are of the form <symbol>:<dir> where
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# <symbol> is what is put in the #ifdef for choosing that dir.
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#
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# Ideas for this code came from debian's sparc-linux headers package.
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#
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# Example:
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# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
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# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
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create_ml_includes() {
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local dest="${1}"
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shift
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local mlinfo="${@}"
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local basedirs=$(create_ml_includes-listdirs ${mlinfo})
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create_ml_includes-makedestdirs ${dest} ${basedirs}
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local file
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for file in $(create_ml_includes-allfiles ${basedirs}); do
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local name="$(echo $file | tr a-z A-Z | sed 's:[^A-Z]:_:g')"
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{
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echo "/* Common header file autogenerated by create_ml_includes in multilib.eclass */"
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#echo "#ifndef __CREATE_ML_INCLUDES_STUB_${name}__"
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#echo "#define __CREATE_ML_INCLUDES_STUB_${name}__"
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#echo ""
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local dir
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for dir in ${basedirs}; do
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if [ -f "${D}/${dir}/${file}" ]; then
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echo "#ifdef $(create_ml_includes-sym_for_dir ${dir} ${mlinfo})"
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echo "#include \"$(create_ml_includes-relative_between ${dest}/$(dirname ${file}) ${dir}/${file})\""
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echo "#endif /* $(create_ml_includes-sym_for_dir ${dir} ${mlinfo}) */"
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echo ""
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fi
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done
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#echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
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} > ${D}/${dest}/${file}
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done
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}
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# Helper function for create_ml_includes
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create_ml_includes-relative_between() {
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local src="$(create_ml_includes-tidy_path ${1})"
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local dst="$(create_ml_includes-tidy_path ${2})"
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src=(${src//\// })
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dst=(${dst//\// })
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local i
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for ((i=0; i<${#src[*]}; i++)); do
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[ "${dst[i]}" != "${src[i]}" ] && break
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done
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local common=$i
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for ((i=${#src[*]}; i>common; i--)); do
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echo -n ../
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done
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for ((i=common; i<${#dst[*]}-1; i++)); do
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echo -n ${dst[i]}/
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done
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echo -n ${dst[i]}
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}
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# Helper function for create_ml_includes
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create_ml_includes-tidy_path() {
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local removed="${1}"
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if [ -n "${removed}" ]; then
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# Remove multiple slashes
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while [ "${removed}" != "${removed/\/\//\/}" ]; do
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removed=${removed/\/\//\/}
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done
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# Remove . directories
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while [ "${removed}" != "${removed//\/.\//\/}" ]; do
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removed=${removed//\/.\//\/}
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done
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[ "${removed##*/}" = "." ] && removed=${removed%/*}
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# Removed .. directories
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while [ "${removed}" != "${removed//\/..\/}" ]; do
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local p1="${removed%%\/..\/*}"
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local p2="${removed#*\/..\/}"
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removed="${p1%\/*}/${p2}"
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done
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# Remove trailing ..
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[ "${removed##*/}" = ".." ] && removed=${removed%/*/*}
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# Remove trailing /
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[ "${removed##*/}" = "" ] && removed=${removed%/*}
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echo ${removed}
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fi
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}
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# Helper function for create_ml_includes
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create_ml_includes-listdirs() {
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local dirs
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local data
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for data in ${@}; do
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dirs="${dirs} ${data/*:/}"
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done
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echo ${dirs:1}
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}
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# Helper function for create_ml_includes
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create_ml_includes-makedestdirs() {
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local dest=${1}
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shift
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local basedirs=${@}
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dodir ${dest}
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local basedir
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for basedir in ${basedirs}; do
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local dir
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for dir in $(find ${D}/${basedir} -type d); do
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dodir ${dest}/${dir/${D}\/${basedir}/}
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done
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done
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}
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# Helper function for create_ml_includes
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create_ml_includes-allfiles() {
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local basedirs=${@}
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local basedir
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for basedir in ${basedirs}; do
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local file
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for file in $(find ${D}/${basedir} -type f); do
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echo ${file/${D}\/${basedir}\//}
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done
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done | sort | uniq
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}
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# Helper function for create_ml_includes
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create_ml_includes-sym_for_dir() {
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local dir="${1}"
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shift
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local data
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for data in ${@}; do
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if [ "${dir}" = "${data/*:/}" ]; then
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echo ${data/:*/}
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return 0
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fi
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done
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echo "Shouldn't be here -- create_ml_includes-sym_for_dir ${1} ${@}"
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# exit because we'll likely be called from a subshell
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exit 1
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}
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