/[gentoo-x86]/eclass/eutils.eclass

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Revision 1.268		Revision 1.283
1	# Copyright 1999-2006 Gentoo Foundation	1	# Copyright 1999-2007 Gentoo Foundation
2	# Distributed under the terms of the GNU General Public License v2	2	# Distributed under the terms of the GNU General Public License v2
3	# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.268 2007/01/13 19:36:14 vapier Exp $	3	# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.283 2007/06/16 08:03:28 vapier Exp $
4	#	4
5	# This eclass is for general purpose functions that most ebuilds	5	# @ECLASS: eutils.eclass
6	# have to implement themselves.	6	# @MAINTAINER:
7	#	7	# base-system@gentoo.org
8	# NB: If you add anything, please comment it!	8	# @BLURB: many extra (but common) functions that are used in ebuilds
9	#	9	# @DESCRIPTION:
10	# Maintainer: see each individual function, base-system@gentoo.org as default	10	# The eutils eclass contains a suite of functions that complement
		11	# the ones that ebuild.sh already contain. The idea is that the functions
		12	# are not required in all ebuilds but enough utilize them to have a common
		13	# home rather than having multiple ebuilds implementing the same thing.
		14	#
		15	# Due to the nature of this eclass, some functions may have maintainers
		16	# different from the overall eclass!
11		17
12	inherit multilib portability	18	inherit multilib portability
13		19
14	DESCRIPTION="Based on the ${ECLASS} eclass"	20	DESCRIPTION="Based on the ${ECLASS} eclass"
15		21
16	# Wait for the supplied number of seconds. If no argument is supplied, defaults	22	# @FUNCTION: epause
17	# to five seconds. If the EPAUSE_IGNORE env var is set, don't wait. If we're not	23	# @USAGE: [seconds]
18	# outputting to a terminal, don't wait. For compatability purposes, the argument	24	# @DESCRIPTION:
19	# must be an integer greater than zero.	25	# Sleep for the specified number of seconds (default of 5 seconds). Useful when
20	# Bug 62950, Ciaran McCreesh <ciaranm@gentoo.org> (05 Sep 2004)	26	# printing a message the user should probably be reading and often used in
		27	# conjunction with the ebeep function. If the EPAUSE_IGNORE env var is set,
		28	# don't wait at all.
21	epause() {	29	epause() {
22	[[ -z ${EPAUSE_IGNORE} ]] && sleep ${1:-5}	30	[[ -z ${EPAUSE_IGNORE} ]] && sleep ${1:-5}
23	}	31	}
24		32
25	# Beep the specified number of times (defaults to five). If our output	33	# @FUNCTION: ebeep
26	# is not a terminal, don't beep. If the EBEEP_IGNORE env var is set,	34	# @USAGE: [number of beeps]
		35	# @DESCRIPTION:
		36	# Issue the specified number of beeps (default of 5 beeps). Useful when
		37	# printing a message the user should probably be reading and often used in
		38	# conjunction with the epause function. If the EBEEP_IGNORE env var is set,
27	# don't beep.	39	# don't beep at all.
28	# Bug 62950, Ciaran McCreesh <ciaranm@gentoo.org> (05 Sep 2004)
29	ebeep() {	40	ebeep() {
30	local n	41	local n
31	if [[ -z ${EBEEP_IGNORE} ]] ; then	42	if [[ -z ${EBEEP_IGNORE} ]] ; then
32	for ((n=1 ; n <= ${1:-5} ; n++)) ; do	43	for ((n=1 ; n <= ${1:-5} ; n++)) ; do
33	echo -ne "\a"	44	echo -ne "\a"
…		…
35	echo -ne "\a"	46	echo -ne "\a"
36	sleep 1	47	sleep 1
37	done	48	done
38	fi	49	fi
39	}	50	}
40
41	# This function generate linker scripts in /usr/lib for dynamic
42	# libs in /lib. This is to fix linking problems when you have
43	# the .so in /lib, and the .a in /usr/lib. What happens is that
44	# in some cases when linking dynamic, the .a in /usr/lib is used
45	# instead of the .so in /lib due to gcc/libtool tweaking ld's
46	# library search path. This cause many builds to fail.
47	# See bug #4411 for more info.
48	#
49	# To use, simply call:
50	#
51	# gen_usr_ldscript libfoo.so
52	#
53	# Note that you should in general use the unversioned name of
54	# the library, as ldconfig should usually update it correctly
55	# to point to the latest version of the library present.
56	#
57	# <azarah@gentoo.org> (26 Oct 2002)
58	#
59	gen_usr_ldscript() {
60	if [[ $(type -t _tc_gen_usr_ldscript) == "function" ]] ; then
61	_tc_gen_usr_ldscript "$@"
62	return $?
63	fi
64
65	ewarn "QA Notice: Please upgrade your ebuild to use toolchain-funcs"
66	ewarn "QA Notice: rather than gen_usr_ldscript() from eutils"
67
68	local lib libdir=$(get_libdir)
69	# Just make sure it exists
70	dodir /usr/${libdir}
71
72	for lib in "${@}" ; do
73	cat > "${D}/usr/${libdir}/${lib}" <<-END_LDSCRIPT
74	/* GNU ld script
75	Since Gentoo has critical dynamic libraries
76	in /lib, and the static versions in /usr/lib,
77	we need to have a "fake" dynamic lib in /usr/lib,
78	otherwise we run into linking problems.
79
80	See bug http://bugs.gentoo.org/4411 for more info.
81	*/
82	GROUP ( /${libdir}/${lib} )
83	END_LDSCRIPT
84	fperms a+x "/usr/${libdir}/${lib}" \|\| die "could not change perms on ${lib}"
85	done
86	}
87
88		51
89	# Default directory where patches are located	52	# Default directory where patches are located
90	EPATCH_SOURCE="${WORKDIR}/patch"	53	EPATCH_SOURCE="${WORKDIR}/patch"
91	# Default extension for patches	54	# Default extension for patches
92	EPATCH_SUFFIX="patch.bz2"	55	EPATCH_SUFFIX="patch.bz2"
…		…
253	einfo "${EPATCH_SINGLE_MSG}"	216	einfo "${EPATCH_SINGLE_MSG}"
254	else	217	else
255	einfo "Applying ${patchname} ..."	218	einfo "Applying ${patchname} ..."
256	fi	219	fi
257	else	220	else
258	einfo " ${patchname} ..."	221	einfo " ${patchname} ..."
259	fi	222	fi
260		223
261	echo "*** ${patchname} **" > ${STDERR_TARGET%/}/${patchname}-${STDERR_TARGET##*/}	224	echo "*** ${patchname} **" > ${STDERR_TARGET%/}/${patchname}-${STDERR_TARGET##*/}
262	echo >> ${STDERR_TARGET%/}/${patchname}-${STDERR_TARGET##/}	225	echo >> ${STDERR_TARGET%/}/${patchname}-${STDERR_TARGET##/}
263		226
…		…
350	then	313	then
351	einfo "Done with patching"	314	einfo "Done with patching"
352	fi	315	fi
353	}	316	}
354		317
		318	# @FUNCTION: emktemp
		319	# @USAGE: [temp dir]
		320	# @DESCRIPTION:
355	# Cheap replacement for when debianutils (and thus mktemp)	321	# Cheap replacement for when debianutils (and thus mktemp)
356	# does not exist on the users system	322	# does not exist on the users system.
357	# vapier@gentoo.org
358	#
359	# Takes just 1 optional parameter (the directory to create tmpfile in)
360	emktemp() {	323	emktemp() {
361	local exe="touch"	324	local exe="touch"
362	[[ $1 == -d ]] && exe="mkdir" && shift	325	[[ $1 == -d ]] && exe="mkdir" && shift
363	local topdir=$1	326	local topdir=$1
364		327
…		…
366	[[ -z ${T} ]] \	329	[[ -z ${T} ]] \
367	&& topdir="/tmp" \	330	&& topdir="/tmp" \
368	\|\| topdir=${T}	331	\|\| topdir=${T}
369	fi	332	fi
370		333
371	if [[ -z $(type -p mktemp) ]] ; then	334	if ! type -P mktemp > /dev/null ; then
		335	# system lacks `mktemp` so we have to fake it
372	local tmp=/	336	local tmp=/
373	while [[ -e ${tmp} ]] ; do	337	while [[ -e ${tmp} ]] ; do
374	tmp=${topdir}/tmp.${RANDOM}.${RANDOM}.${RANDOM}	338	tmp=${topdir}/tmp.${RANDOM}.${RANDOM}.${RANDOM}
375	done	339	done
376	${exe} "${tmp}" \|\| ${exe} -p "${tmp}"	340	${exe} "${tmp}" \|\| ${exe} -p "${tmp}"
377	echo "${tmp}"	341	echo "${tmp}"
378	else	342	else
		343	# the args here will give slightly wierd names on BSD,
		344	# but should produce a usable file on all userlands
379	if [[ ${exe} == "touch" ]] ; then	345	if [[ ${exe} == "touch" ]] ; then
380	[[ ${USERLAND} == "GNU" ]] \
381	&& mktemp -p "${topdir}" \
382	\|\| TMPDIR="${topdir}" mktemp -t tmp	346	TMPDIR="${topdir}" mktemp -t tmp.XXXXXXXXXX
383	else	347	else
384	[[ ${USERLAND} == "GNU" ]] \
385	&& mktemp -d "${topdir}" \
386	\|\| TMPDIR="${topdir}" mktemp -dt tmp	348	TMPDIR="${topdir}" mktemp -dt tmp.XXXXXXXXXX
387	fi
388	fi	349	fi
		350	fi
389	}	351	}
390		352
		353	# @FUNCTION: egetent
		354	# @USAGE: <database> <key>
		355	# @MAINTAINER:
		356	# base-system@gentoo.org (Linux)
		357	# Joe Jezak <josejx@gmail.com> (OS X)
		358	# usata@gentoo.org (OS X)
		359	# Aaron Walker <ka0ttic@gentoo.org> (FreeBSD)
		360	# @DESCRIPTION:
391	# Small wrapper for getent (Linux), nidump (Mac OS X),	361	# Small wrapper for getent (Linux), nidump (Mac OS X),
392	# and pw (FreeBSD) used in enewuser()/enewgroup()	362	# and pw (FreeBSD) used in enewuser()/enewgroup()
393	# Joe Jezak <josejx@gmail.com> and usata@gentoo.org
394	# FBSD stuff: Aaron Walker <ka0ttic@gentoo.org>
395	#
396	# egetent(database, key)
397	egetent() {	363	egetent() {
398	case ${CHOST} in	364	case ${CHOST} in
399	-darwin)	365	-darwin)
400	case "$2" in	366	case "$2" in
401	[!0-9]) # Non numeric	367	[!0-9]) # Non numeric
…		…
425	getent "$1" "$2"	391	getent "$1" "$2"
426	;;	392	;;
427	esac	393	esac
428	}	394	}
429		395
430	# Simplify/standardize adding users to the system	396	# @FUNCTION: enewuser
431	# vapier@gentoo.org	397	# @USAGE: <user> [uid] [shell] [homedir] [groups] [params]
432	#	398	# @DESCRIPTION:
433	# enewuser(username, uid, shell, homedir, groups, extra options)	399	# Same as enewgroup, you are not required to understand how to properly add
434	#	400	# a user to the system. The only required parameter is the username.
435	# Default values if you do not specify any:	401	# Default uid is (pass -1 for this) next available, default shell is
436	# username: REQUIRED !	402	# /bin/false, default homedir is /dev/null, there are no default groups,
437	# uid: next available (see useradd(8))	403	# and default params sets the comment as 'added by portage for ${PN}'.
438	# note: pass -1 to get default behavior
439	# shell: /bin/false
440	# homedir: /dev/null
441	# groups: none
442	# extra: comment of 'added by portage for ${PN}'
443	enewuser() {	404	enewuser() {
444	case ${EBUILD_PHASE} in	405	case ${EBUILD_PHASE} in
445	unpack\|compile\|test\|install)	406	unpack\|compile\|test\|install)
446	eerror "'enewuser()' called from '${EBUILD_PHASE}()' which is not a pkg_* function."	407	eerror "'enewuser()' called from '${EBUILD_PHASE}()' which is not a pkg_* function."
447	eerror "Package fails at QA and at life. Please file a bug."	408	eerror "Package fails at QA and at life. Please file a bug."
…		…
636	fi	597	fi
637		598
638	export SANDBOX_ON=${oldsandbox}	599	export SANDBOX_ON=${oldsandbox}
639	}	600	}
640		601
641	# Simplify/standardize adding groups to the system	602	# @FUNCTION: enewgroup
642	# vapier@gentoo.org	603	# @USAGE: <group> [gid]
643	#	604	# @DESCRIPTION:
644	# enewgroup(group, gid)	605	# This function does not require you to understand how to properly add a
645	#	606	# group to the system. Just give it a group name to add and enewgroup will
646	# Default values if you do not specify any:	607	# do the rest. You may specify the gid for the group or allow the group to
647	# groupname: REQUIRED !	608	# allocate the next available one.
648	# gid: next available (see groupadd(8))
649	# extra: none
650	enewgroup() {	609	enewgroup() {
651	case ${EBUILD_PHASE} in	610	case ${EBUILD_PHASE} in
652	unpack\|compile\|test\|install)	611	unpack\|compile\|test\|install)
653	eerror "'enewgroup()' called from '${EBUILD_PHASE}()' which is not a pkg_* function."	612	eerror "'enewgroup()' called from '${EBUILD_PHASE}()' which is not a pkg_* function."
654	eerror "Package fails at QA and at life. Please file a bug."	613	eerror "Package fails at QA and at life. Please file a bug."
…		…
750	;;	709	;;
751	esac	710	esac
752	export SANDBOX_ON="${oldsandbox}"	711	export SANDBOX_ON="${oldsandbox}"
753	}	712	}
754		713
755	# Simple script to replace 'dos2unix' binaries	714	# @FUNCTION: edos2unix
756	# vapier@gentoo.org	715	# @USAGE: <file> [more files ...]
757	#	716	# @DESCRIPTION:
758	# edos2unix(file, <more files> ...)	717	# A handy replacement for dos2unix, recode, fixdos, etc... This allows you
		718	# to remove all of these text utilities from DEPEND variables because this
		719	# is a script based solution. Just give it a list of files to convert and
		720	# they will all be changed from the DOS CRLF format to the UNIX LF format.
759	edos2unix() {	721	edos2unix() {
760	echo "$@" \| xargs sed -i 's/\r$//'	722	echo "$@" \| xargs sed -i 's/\r$//'
761	}	723	}
762
763
764	##############################################################
765	# START: Handle .desktop files and menu entries #
766	# maybe this should be separated into a new eclass some time #
767	# lanius@gentoo.org #
768	##############################################################
769		724
770	# Make a desktop file !	725	# Make a desktop file !
771	# Great for making those icons in kde/gnome startmenu !	726	# Great for making those icons in kde/gnome startmenu !
772	# Amaze your friends ! Get the women ! Join today !	727	# Amaze your friends ! Get the women ! Join today !
773	#	728	#
…		…
892	if [ "${SLOT}" == "0" ] ; then	847	if [ "${SLOT}" == "0" ] ; then
893	local desktop_name="${PN}"	848	local desktop_name="${PN}"
894	else	849	else
895	local desktop_name="${PN}-${SLOT}"	850	local desktop_name="${PN}-${SLOT}"
896	fi	851	fi
897	local desktop=${T}/${exec%% *}-${desktop_name}.desktop	852	local desktop="${T}/$(echo ${exec} \| sed 's:[[:space:]/:]:_:g')-${desktop_name}.desktop"
898	# local desktop=${T}/${exec%% *:-${desktop_name}}.desktop	853	#local desktop=${T}/${exec%% *:-${desktop_name}}.desktop
899		854
		855	cat <<-EOF > "${desktop}"
900	echo "[Desktop Entry]	856	[Desktop Entry]
901	Encoding=UTF-8	857	Encoding=UTF-8
902	Version=0.9.2	858	Version=0.9.2
903	Name=${name}	859	Name=${name}
904	Type=Application	860	Type=Application
905	Comment=${DESCRIPTION}	861	Comment=${DESCRIPTION}
906	Exec=${exec}	862	Exec=${exec}
907	TryExec=${exec%% *}	863	TryExec=${exec%% *}
908	Path=${path}	864	Path=${path}
909	Icon=${icon}	865	Icon=${icon}
910	Categories=Application;${type};" > "${desktop}"	866	Categories=Application;${type};
		867	EOF
911		868
912	(	869	(
913	# wrap the env here so that the 'insinto' call	870	# wrap the env here so that the 'insinto' call
914	# doesn't corrupt the env of the caller	871	# doesn't corrupt the env of the caller
915	insinto /usr/share/applications	872	insinto /usr/share/applications
916	doins "${desktop}"	873	doins "${desktop}"
917	)	874	)
918	}	875	}
919		876
920	# Make a GDM/KDM Session file	877	# @FUNCTION: validate_desktop_entries
921	#	878	# @USAGE: [directories]
922	# make_session_desktop(<title>, <command>)	879	# @MAINTAINER:
923	# title: File to execute to start the Window Manager	880	# Carsten Lohrke <carlo@gentoo.org>
924	# command: Name of the Window Manager	881	# @DESCRIPTION:
		882	# Validate desktop entries using desktop-file-utils
		883	validate_desktop_entries() {
		884	if [[ -x /usr/bin/desktop-file-validate ]] ; then
		885	einfo "Checking desktop entry validity"
		886	local directories=""
		887	for d in /usr/share/applications $@ ; do
		888	[[ -d ${D}${d} ]] && directories="${directories} ${D}${d}"
		889	done
		890	if [[ -n ${directories} ]] ; then
		891	for FILE in $(find ${directories} -name "*\.desktop" \
		892	-not -path '.hidden' \| sort -u 2>/dev/null)
		893	do
		894	local temp=$(desktop-file-validate ${FILE} \| grep -v "warning:" \| \
		895	sed -e "s\|error: \|\|" -e "s\|${FILE}:\|--\|g" )
		896	[[ -n $temp ]] && elog ${temp/--/${FILE/${D}/}:}
		897	done
		898	fi
		899	echo ""
		900	else
		901	einfo "Passing desktop entry validity check. Install dev-util/desktop-file-utils, if you want to help to improve Gentoo."
		902	fi
		903	}
925		904
		905	# @FUNCTION: make_session_desktop
		906	# @USAGE: <title> <command>
		907	# @DESCRIPTION:
		908	# Make a GDM/KDM Session file. The title is the file to execute to start the
		909	# Window Manager. The command is the name of the Window Manager.
926	make_session_desktop() {	910	make_session_desktop() {
927	[[ -z $1 ]] && eerror "make_session_desktop: You must specify the title" && return 1	911	[[ -z $1 ]] && eerror "make_session_desktop: You must specify the title" && return 1
928	[[ -z $2 ]] && eerror "make_session_desktop: You must specify the command" && return 1	912	[[ -z $2 ]] && eerror "make_session_desktop: You must specify the command" && return 1
929		913
930	local title=$1	914	local title=$1
931	local command=$2	915	local command=$2
932	local desktop=${T}/${wm}.desktop	916	local desktop=${T}/${wm}.desktop
933		917
		918	cat <<-EOF > "${desktop}"
934	echo "[Desktop Entry]	919	[Desktop Entry]
935	Encoding=UTF-8	920	Encoding=UTF-8
936	Name=${title}	921	Name=${title}
937	Comment=This session logs you into ${title}	922	Comment=This session logs you into ${title}
938	Exec=${command}	923	Exec=${command}
939	TryExec=${command}	924	TryExec=${command}
940	Type=Application" > "${desktop}"	925	Type=Application
		926	EOF
941		927
		928	(
		929	# wrap the env here so that the 'insinto' call
		930	# doesn't corrupt the env of the caller
942	insinto /usr/share/xsessions	931	insinto /usr/share/xsessions
943	doins "${desktop}"	932	doins "${desktop}"
		933	)
944	}	934	}
945		935
		936	# @FUNCTION: domenu
		937	# @USAGE: <menus>
		938	# @DESCRIPTION:
		939	# Install the list of .desktop menu files into the appropriate directory
		940	# (/usr/share/applications).
946	domenu() {	941	domenu() {
		942	(
		943	# wrap the env here so that the 'insinto' call
		944	# doesn't corrupt the env of the caller
947	local i j	945	local i j ret=0
948	insinto /usr/share/applications	946	insinto /usr/share/applications
949	for i in "$@" ; do	947	for i in "$@" ; do
950	if [[ -f ${i} ]] ; then	948	if [[ -f ${i} ]] ; then
951	doins "${i}"	949	doins "${i}"
		950	((ret+=$?))
952	elif [[ -d ${i} ]] ; then	951	elif [[ -d ${i} ]] ; then
953	for j in "${i}"/*.desktop ; do	952	for j in "${i}"/*.desktop ; do
954	doins "${j}"	953	doins "${j}"
		954	((ret+=$?))
955	done	955	done
956	fi	956	fi
957	done	957	done
		958	exit ${ret}
		959	)
958	}	960	}
		961
		962	# @FUNCTION: newmenu
		963	# @USAGE: <menu> <newname>
		964	# @DESCRIPTION:
		965	# Like all other new* functions, install the specified menu as newname.
959	newmenu() {	966	newmenu() {
		967	(
		968	# wrap the env here so that the 'insinto' call
		969	# doesn't corrupt the env of the caller
960	insinto /usr/share/applications	970	insinto /usr/share/applications
961	newins "$1" "$2"	971	newins "$@"
		972	)
962	}	973	}
963		974
		975	# @FUNCTION: doicon
		976	# @USAGE: <list of icons>
		977	# @DESCRIPTION:
		978	# Install the list of icons into the icon directory (/usr/share/pixmaps).
		979	# This is useful in conjunction with creating desktop/menu files.
964	doicon() {	980	doicon() {
		981	(
		982	# wrap the env here so that the 'insinto' call
		983	# doesn't corrupt the env of the caller
965	local i j	984	local i j ret
966	insinto /usr/share/pixmaps	985	insinto /usr/share/pixmaps
967	for i in "$@" ; do	986	for i in "$@" ; do
968	if [[ -f ${i} ]] ; then	987	if [[ -f ${i} ]] ; then
969	doins "${i}"	988	doins "${i}"
		989	((ret+=$?))
970	elif [[ -d ${i} ]] ; then	990	elif [[ -d ${i} ]] ; then
971	for j in "${i}"/*.png ; do	991	for j in "${i}"/*.png ; do
972	doins "${j}"	992	doins "${j}"
		993	((ret+=$?))
973	done	994	done
974	fi	995	fi
975	done	996	done
		997	exit ${ret}
		998	)
976	}	999	}
		1000
		1001	# @FUNCTION: newicon
		1002	# @USAGE: <icon> <newname>
		1003	# @DESCRIPTION:
		1004	# Like all other new* functions, install the specified icon as newname.
977	newicon() {	1005	newicon() {
		1006	(
		1007	# wrap the env here so that the 'insinto' call
		1008	# doesn't corrupt the env of the caller
978	insinto /usr/share/pixmaps	1009	insinto /usr/share/pixmaps
979	newins "$1" "$2"	1010	newins "$@"
		1011	)
980	}	1012	}
981
982	##############################################################
983	# END: Handle .desktop files and menu entries #
984	##############################################################
985
986		1013
987	# for internal use only (unpack_pdv and unpack_makeself)	1014	# for internal use only (unpack_pdv and unpack_makeself)
988	find_unpackable_file() {	1015	find_unpackable_file() {
989	local src=$1	1016	local src=$1
990	if [[ -z ${src} ]] ; then	1017	if [[ -z ${src} ]] ; then
…		…
1000	fi	1027	fi
1001	[[ ! -e ${src} ]] && return 1	1028	[[ ! -e ${src} ]] && return 1
1002	echo "${src}"	1029	echo "${src}"
1003	}	1030	}
1004		1031
		1032	# @FUNCTION: unpack_pdv
		1033	# @USAGE: <file to unpack> <size of off_t>
		1034	# @DESCRIPTION:
1005	# Unpack those pesky pdv generated files ...	1035	# Unpack those pesky pdv generated files ...
1006	# They're self-unpacking programs with the binary package stuffed in	1036	# They're self-unpacking programs with the binary package stuffed in
1007	# the middle of the archive. Valve seems to use it a lot ... too bad	1037	# the middle of the archive. Valve seems to use it a lot ... too bad
1008	# it seems to like to segfault a lot :(. So lets take it apart ourselves.	1038	# it seems to like to segfault a lot :(. So lets take it apart ourselves.
1009	#	1039	#
1010	# Usage: unpack_pdv [file to unpack] [size of off_t]
1011	# - you have to specify the off_t size ... i have no idea how to extract that	1040	# You have to specify the off_t size ... I have no idea how to extract that
1012	# information out of the binary executable myself. basically you pass in	1041	# information out of the binary executable myself. Basically you pass in
1013	# the size of the off_t type (in bytes) on the machine that built the pdv	1042	# the size of the off_t type (in bytes) on the machine that built the pdv
		1043	# archive.
		1044	#
1014	# archive. one way to determine this is by running the following commands:	1045	# One way to determine this is by running the following commands:
1015	# strings <pdv archive> \| grep lseek	1046	# strings <pdv archive> \| grep lseek
1016	# strace -elseek <pdv archive>	1047	# strace -elseek <pdv archive>
1017	# basically look for the first lseek command (we do the strings/grep because	1048	# Basically look for the first lseek command (we do the strings/grep because
1018	# sometimes the function call is _llseek or something) and steal the 2nd	1049	# sometimes the function call is _llseek or something) and steal the 2nd
1019	# parameter. here is an example:	1050	# parameter. Here is an example:
1020	# root@vapier 0 pdv_unpack # strings hldsupdatetool.bin \| grep lseek	1051	# vapier@vapier 0 pdv_unpack # strings hldsupdatetool.bin \| grep lseek
1021	# lseek	1052	# lseek
1022	# root@vapier 0 pdv_unpack # strace -elseek ./hldsupdatetool.bin	1053	# vapier@vapier 0 pdv_unpack # strace -elseek ./hldsupdatetool.bin
1023	# lseek(3, -4, SEEK_END) = 2981250	1054	# lseek(3, -4, SEEK_END) = 2981250
1024	# thus we would pass in the value of '4' as the second parameter.	1055	# Thus we would pass in the value of '4' as the second parameter.
1025	unpack_pdv() {	1056	unpack_pdv() {
1026	local src=$(find_unpackable_file $1)	1057	local src=$(find_unpackable_file "$1")
1027	local sizeoff_t=$2	1058	local sizeoff_t=$2
1028		1059
1029	[[ -z ${src} ]] && die "Could not locate source for '$1'"	1060	[[ -z ${src} ]] && die "Could not locate source for '$1'"
1030	[[ -z ${sizeoff_t} ]] && die "No idea what off_t size was used for this pdv :("	1061	[[ -z ${sizeoff_t} ]] && die "No idea what off_t size was used for this pdv :("
1031		1062
1032	local shrtsrc=$(basename "${src}")	1063	local shrtsrc=$(basename "${src}")
1033	echo ">>> Unpacking ${shrtsrc} to ${PWD}"	1064	echo ">>> Unpacking ${shrtsrc} to ${PWD}"
1034	local metaskip=`tail -c ${sizeoff_t} ${src} \| hexdump -e \"%i\"`	1065	local metaskip=$(tail -c ${sizeoff_t} "${src}" \| hexdump -e \"%i\")
1035	local tailskip=`tail -c $((${sizeoff_t}*2)) ${src} \| head -c ${sizeoff_t} \| hexdump -e \"%i\"`	1066	local tailskip=$(tail -c $((${sizeoff_t}*2)) "${src}" \| head -c ${sizeoff_t} \| hexdump -e \"%i\")
1036		1067
1037	# grab metadata for debug reasons	1068	# grab metadata for debug reasons
1038	local metafile="$(emktemp)"	1069	local metafile=$(emktemp)
1039	tail -c +$((${metaskip}+1)) ${src} > ${metafile}	1070	tail -c +$((${metaskip}+1)) "${src}" > "${metafile}"
1040		1071
1041	# rip out the final file name from the metadata	1072	# rip out the final file name from the metadata
1042	local datafile="`tail -c +$((${metaskip}+1)) ${src} \| strings \| head -n 1`"	1073	local datafile=$(tail -c +$((${metaskip}+1)) "${src}" \| strings \| head -n 1)
1043	datafile="`basename ${datafile}`"	1074	datafile=$(basename "${datafile}")
1044		1075
1045	# now lets uncompress/untar the file if need be	1076	# now lets uncompress/untar the file if need be
1046	local tmpfile="$(emktemp)"	1077	local tmpfile=$(emktemp)
1047	tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \| head -c 512 > ${tmpfile}	1078	tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \| head -c 512 > ${tmpfile}
1048		1079
1049	local iscompressed="`file -b ${tmpfile}`"	1080	local iscompressed=$(file -b "${tmpfile}")
1050	if [ "${iscompressed:0:8}" == "compress" ] ; then	1081	if [[ ${iscompressed:0:8} == "compress" ]] ; then
1051	iscompressed=1	1082	iscompressed=1
1052	mv ${tmpfile}{,.Z}	1083	mv ${tmpfile}{,.Z}
1053	gunzip ${tmpfile}	1084	gunzip ${tmpfile}
1054	else	1085	else
1055	iscompressed=0	1086	iscompressed=0
1056	fi	1087	fi
1057	local istar="`file -b ${tmpfile}`"	1088	local istar=$(file -b "${tmpfile}")
1058	if [ "${istar:0:9}" == "POSIX tar" ] ; then	1089	if [[ ${istar:0:9} == "POSIX tar" ]] ; then
1059	istar=1	1090	istar=1
1060	else	1091	else
1061	istar=0	1092	istar=0
1062	fi	1093	fi
1063		1094
…		…
1091	true	1122	true
1092	#[ -s "${datafile}" ] \|\| die "failure unpacking pdv ('${metaskip}' '${tailskip}' '${datafile}')"	1123	#[ -s "${datafile}" ] \|\| die "failure unpacking pdv ('${metaskip}' '${tailskip}' '${datafile}')"
1093	#assert "failure unpacking pdv ('${metaskip}' '${tailskip}' '${datafile}')"	1124	#assert "failure unpacking pdv ('${metaskip}' '${tailskip}' '${datafile}')"
1094	}	1125	}
1095		1126
		1127	# @FUNCTION: unpack_makeself
		1128	# @USAGE: [file to unpack] [offset] [tail\|dd]
		1129	# @DESCRIPTION:
1096	# Unpack those pesky makeself generated files ...	1130	# Unpack those pesky makeself generated files ...
1097	# They're shell scripts with the binary package tagged onto	1131	# They're shell scripts with the binary package tagged onto
1098	# the end of the archive. Loki utilized the format as does	1132	# the end of the archive. Loki utilized the format as does
1099	# many other game companies.	1133	# many other game companies.
1100	#	1134	#
1101	# Usage: unpack_makeself [file to unpack] [offset] [tail\|dd]	1135	# If the file is not specified, then ${A} is used. If the
1102	# - If the file is not specified then unpack will utilize ${A}.
1103	# - If the offset is not specified then we will attempt to extract	1136	# offset is not specified then we will attempt to extract
1104	# the proper offset from the script itself.	1137	# the proper offset from the script itself.
1105	unpack_makeself() {	1138	unpack_makeself() {
1106	local src_input=${1:-${A}}	1139	local src_input=${1:-${A}}
1107	local src=$(find_unpackable_file "${src_input}")	1140	local src=$(find_unpackable_file "${src_input}")
1108	local skip=$2	1141	local skip=$2
1109	local exe=$3	1142	local exe=$3
…		…
1155	dd) exe="dd ibs=${skip} skip=1 obs=1024 conv=sync if='${src}'";;	1188	dd) exe="dd ibs=${skip} skip=1 obs=1024 conv=sync if='${src}'";;
1156	*) die "makeself cant handle exe '${exe}'"	1189	*) die "makeself cant handle exe '${exe}'"
1157	esac	1190	esac
1158		1191
1159	# lets grab the first few bytes of the file to figure out what kind of archive it is	1192	# lets grab the first few bytes of the file to figure out what kind of archive it is
1160	local tmpfile="$(emktemp)"	1193	local tmpfile=$(emktemp)
1161	eval ${exe} 2>/dev/null \| head -c 512 > "${tmpfile}"	1194	eval ${exe} 2>/dev/null \| head -c 512 > "${tmpfile}"
1162	local filetype="$(file -b "${tmpfile}")"	1195	local filetype=$(file -b "${tmpfile}")
1163	case ${filetype} in	1196	case ${filetype} in
1164	tar\ archive)	1197	tar\ archive)
1165	eval ${exe} \| tar --no-same-owner -xf -	1198	eval ${exe} \| tar --no-same-owner -xf -
1166	;;	1199	;;
1167	bzip2*)	1200	bzip2*)
…		…
1179	;;	1212	;;
1180	esac	1213	esac
1181	assert "failure unpacking (${filetype}) makeself ${shrtsrc} ('${ver}' +${skip})"	1214	assert "failure unpacking (${filetype}) makeself ${shrtsrc} ('${ver}' +${skip})"
1182	}	1215	}
1183		1216
		1217	# @FUNCTION: check_license
		1218	# @USAGE: [license]
		1219	# @DESCRIPTION:
1184	# Display a license for user to accept.	1220	# Display a license for user to accept. If no license is
1185	#
1186	# Usage: check_license [license]
1187	# - If the file is not specified then ${LICENSE} is used.	1221	# specified, then ${LICENSE} is used.
1188	check_license() {	1222	check_license() {
1189	local lic=$1	1223	local lic=$1
1190	if [ -z "${lic}" ] ; then	1224	if [ -z "${lic}" ] ; then
1191	lic="${PORTDIR}/licenses/${LICENSE}"	1225	lic="${PORTDIR}/licenses/${LICENSE}"
1192	else	1226	else
…		…
1212	return 0	1246	return 0
1213	fi	1247	fi
1214	done	1248	done
1215	set +o noglob; set -$shopts #reset old shell opts	1249	set +o noglob; set -$shopts #reset old shell opts
1216		1250
1217	local licmsg="$(emktemp)"	1251	local licmsg=$(emktemp)
1218	cat << EOF > ${licmsg}	1252	cat <<-EOF > ${licmsg}
1219	**********************************************************	1253	**********************************************************
1220	The following license outlines the terms of use of this	1254	The following license outlines the terms of use of this
1221	package. You MUST accept this license for installation to	1255	package. You MUST accept this license for installation to
1222	continue. When you are done viewing, hit 'q'. If you	1256	continue. When you are done viewing, hit 'q'. If you
1223	CTRL+C out of this, the install will not run!	1257	CTRL+C out of this, the install will not run!
1224	**********************************************************	1258	**********************************************************
1225		1259
1226	EOF	1260	EOF
1227	cat ${lic} >> ${licmsg}	1261	cat ${lic} >> ${licmsg}
1228	${PAGER:-less} ${licmsg} \|\| die "Could not execute pager (${PAGER}) to accept ${lic}"	1262	${PAGER:-less} ${licmsg} \|\| die "Could not execute pager (${PAGER}) to accept ${lic}"
1229	einfon "Do you accept the terms of this license (${l})? [yes/no] "	1263	einfon "Do you accept the terms of this license (${l})? [yes/no] "
1230	read alic	1264	read alic
1231	case ${alic} in	1265	case ${alic} in
…		…
1238	die "Failed to accept license"	1272	die "Failed to accept license"
1239	;;	1273	;;
1240	esac	1274	esac
1241	}	1275	}
1242		1276
		1277	# @FUNCTION: cdrom_get_cds
		1278	# @USAGE: <file on cd1> [file on cd2] [file on cd3] [...]
		1279	# @DESCRIPTION:
1243	# Aquire cd(s) for those lovely cd-based emerges. Yes, this violates	1280	# Aquire cd(s) for those lovely cd-based emerges. Yes, this violates
1244	# the whole 'non-interactive' policy, but damnit I want CD support !	1281	# the whole 'non-interactive' policy, but damnit I want CD support !
1245	#	1282	#
1246	# with these cdrom functions we handle all the user interaction and	1283	# With these cdrom functions we handle all the user interaction and
1247	# standardize everything. all you have to do is call cdrom_get_cds()	1284	# standardize everything. All you have to do is call cdrom_get_cds()
1248	# and when the function returns, you can assume that the cd has been	1285	# and when the function returns, you can assume that the cd has been
1249	# found at CDROM_ROOT.	1286	# found at CDROM_ROOT.
1250	#	1287	#
		1288	# The function will attempt to locate a cd based upon a file that is on
		1289	# the cd. The more files you give this function, the more cds
		1290	# the cdrom functions will handle.
		1291	#
1251	# normally the cdrom functions will refer to the cds as 'cd #1', 'cd #2',	1292	# Normally the cdrom functions will refer to the cds as 'cd #1', 'cd #2',
1252	# etc... if you want to give the cds better names, then just export	1293	# etc... If you want to give the cds better names, then just export
1253	# the appropriate CDROM_NAME variable before calling cdrom_get_cds().	1294	# the appropriate CDROM_NAME variable before calling cdrom_get_cds().
1254	# - CDROM_NAME="fooie cd" - for when you only want 1 cd	1295	# Use CDROM_NAME for one cd, or CDROM_NAME_# for multiple cds. You can
1255	# - CDROM_NAME_1="install cd" - for when you want more than 1 cd	1296	# also use the CDROM_NAME_SET bash array.
1256	# CDROM_NAME_2="data cd"	1297	#
1257	# - CDROM_NAME_SET=( "install cd" "data cd" ) - short hand for CDROM_NAME_#
1258	#
1259	# for those multi cd ebuilds, see the cdrom_load_next_cd() below.	1298	# For those multi cd ebuilds, see the cdrom_load_next_cd() function.
1260	#
1261	# Usage: cdrom_get_cds <file on cd1> [file on cd2] [file on cd3] [...]
1262	# - this will attempt to locate a cd based upon a file that is on
1263	# the cd ... the more files you give this function, the more cds
1264	# the cdrom functions will handle
1265	cdrom_get_cds() {	1299	cdrom_get_cds() {
1266	# first we figure out how many cds we're dealing with by	1300	# first we figure out how many cds we're dealing with by
1267	# the # of files they gave us	1301	# the # of files they gave us
1268	local cdcnt=0	1302	local cdcnt=0
1269	local f=	1303	local f=
…		…
1355	export CDROM_SET=""	1389	export CDROM_SET=""
1356	export CDROM_CURRENT_CD=0	1390	export CDROM_CURRENT_CD=0
1357	cdrom_load_next_cd	1391	cdrom_load_next_cd
1358	}	1392	}
1359		1393
1360	# this is only used when you need access to more than one cd.	1394	# @FUNCTION: cdrom_load_next_cd
1361	# when you have finished using the first cd, just call this function.	1395	# @DESCRIPTION:
1362	# when it returns, CDROM_ROOT will be pointing to the second cd.	1396	# Some packages are so big they come on multiple CDs. When you're done reading
1363	# remember, you can only go forward in the cd chain, you can't go back.	1397	# files off a CD and want access to the next one, just call this function.
		1398	# Again, all the messy details of user interaction are taken care of for you.
		1399	# Once this returns, just read the variable CDROM_ROOT for the location of the
		1400	# mounted CD. Note that you can only go forward in the CD list, so make sure
		1401	# you only call this function when you're done using the current CD.
1364	cdrom_load_next_cd() {	1402	cdrom_load_next_cd() {
1365	local var	1403	local var
1366	((++CDROM_CURRENT_CD))	1404	((++CDROM_CURRENT_CD))
1367		1405
1368	unset CDROM_ROOT	1406	unset CDROM_ROOT
…		…
1400	local dir=$(dirname ${cdset[${i}]})	1438	local dir=$(dirname ${cdset[${i}]})
1401	local file=$(basename ${cdset[${i}]})	1439	local file=$(basename ${cdset[${i}]})
1402		1440
1403	local point= node= fs= foo=	1441	local point= node= fs= foo=
1404	while read point node fs foo ; do	1442	while read point node fs foo ; do
1405	[[ " cd9660 iso9660 " != " ${fs} " ]] && \	1443	[[ " cd9660 iso9660 udf " != " ${fs} " ]] && \
1406	! [[ ${fs} == "subfs" && ",${opts}," == ",fs=cdfss," ]] \	1444	! [[ ${fs} == "subfs" && ",${opts}," == ",fs=cdfss," ]] \
1407	&& continue	1445	&& continue
1408	point=${point//\040/ }	1446	point=${point//\040/ }
1409	[[ -z $(find "${point}/${dir}" -maxdepth 1 -iname "${file}") ]] && continue	1447	[[ -z $(find "${point}/${dir}" -maxdepth 1 -iname "${file}") ]] && continue
1410	export CDROM_ROOT=${point}	1448	export CDROM_ROOT=${point}
…		…
1494	[[ -n ${nols} ]] \	1532	[[ -n ${nols} ]] \
1495	&& ewarn "Sorry, but ${PN} does not support the LINGUAs:" ${nols}	1533	&& ewarn "Sorry, but ${PN} does not support the LINGUAs:" ${nols}
1496	export LINGUAS=${newls:1}	1534	export LINGUAS=${newls:1}
1497	}	1535	}
1498		1536
1499	# moved from kernel.eclass since they are generally useful outside of	1537	# @FUNCTION: set_arch_to_kernel
1500	# kernel.eclass -iggy (20041002)	1538	# @DESCRIPTION:
1501
1502	# the following functions are useful in kernel module ebuilds, etc.
1503	# for an example see ivtv or drbd ebuilds
1504
1505	# set's ARCH to match what the kernel expects	1539	# Set the env ARCH to match what the kernel expects.
1506	set_arch_to_kernel() {	1540	set_arch_to_kernel() {
1507	i=10	1541	i=10
1508	while ((i--)) ; do	1542	while ((i--)) ; do
1509	ewarn "PLEASE UPDATE TO YOUR PACKAGE TO USE linux-info.eclass"	1543	ewarn "PLEASE UPDATE TO YOUR PACKAGE TO USE linux-info.eclass"
1510	done	1544	done
…		…
1517	sparc) export ARCH="$(tc-arch-kernel)";; # Yeah this is ugly, but it's even WORSE if you don't do this. linux-info.eclass's set_arch_to_kernel is fixed, but won't get used over this one!	1551	sparc) export ARCH="$(tc-arch-kernel)";; # Yeah this is ugly, but it's even WORSE if you don't do this. linux-info.eclass's set_arch_to_kernel is fixed, but won't get used over this one!
1518	*) export ARCH="${ARCH}";;	1552	*) export ARCH="${ARCH}";;
1519	esac	1553	esac
1520	}	1554	}
1521		1555
1522	# set's ARCH back to what portage expects	1556	# @FUNCTION: set_arch_to_portage
		1557	# @DESCRIPTION:
		1558	# Set the env ARCH to match what portage expects.
1523	set_arch_to_portage() {	1559	set_arch_to_portage() {
1524	i=10	1560	i=10
1525	while ((i--)) ; do	1561	while ((i--)) ; do
1526	ewarn "PLEASE UPDATE TO YOUR PACKAGE TO USE linux-info.eclass"	1562	ewarn "PLEASE UPDATE TO YOUR PACKAGE TO USE linux-info.eclass"
1527	done	1563	done
1528	export ARCH="${EUTILS_ECLASS_PORTAGE_ARCH}"	1564	export ARCH="${EUTILS_ECLASS_PORTAGE_ARCH}"
1529	}	1565	}
1530		1566
1531	# Jeremy Huddleston <eradicator@gentoo.org>:	1567	# @FUNCTION: preserve_old_lib
1532	# preserve_old_lib /path/to/libblah.so.0	1568	# @USAGE: <libs to preserve> [more libs]
1533	# preserve_old_lib_notify /path/to/libblah.so.0	1569	# @DESCRIPTION:
1534	#
1535	# These functions are useful when a lib in your package changes --library. Such	1570	# These functions are useful when a lib in your package changes ABI SONAME.
1536	# an example might be from libogg.so.0 to libogg.so.1. Removing libogg.so.0	1571	# An example might be from libogg.so.0 to libogg.so.1. Removing libogg.so.0
1537	# would break packages that link against it. Most people get around this	1572	# would break packages that link against it. Most people get around this
1538	# by using the portage SLOT mechanism, but that is not always a relevant	1573	# by using the portage SLOT mechanism, but that is not always a relevant
1539	# solution, so instead you can add the following to your ebuilds:	1574	# solution, so instead you can call this from pkg_preinst. See also the
1540	#	1575	# preserve_old_lib_notify function.
1541	# pkg_preinst() {
1542	# ...
1543	# preserve_old_lib /usr/$(get_libdir)/libogg.so.0
1544	# ...
1545	# }
1546	#
1547	# pkg_postinst() {
1548	# ...
1549	# preserve_old_lib_notify /usr/$(get_libdir)/libogg.so.0
1550	# ...
1551	# }
1552
1553	preserve_old_lib() {	1576	preserve_old_lib() {
1554	if [[ ${EBUILD_PHASE} != "preinst" ]] ; then	1577	if [[ ${EBUILD_PHASE} != "preinst" ]] ; then
1555	eerror "preserve_old_lib() must be called from pkg_preinst() only"	1578	eerror "preserve_old_lib() must be called from pkg_preinst() only"
1556	# die "Invalid preserve_old_lib() usage"	1579	die "Invalid preserve_old_lib() usage"
1557	fi	1580	fi
1558	[[ -z $1 ]] && die "Usage: preserve_old_lib <library to preserve> [more libraries to preserve]"	1581	[[ -z $1 ]] && die "Usage: preserve_old_lib <library to preserve> [more libraries to preserve]"
1559		1582
1560	local lib dir	1583	local lib dir
1561	for lib in "$@" ; do	1584	for lib in "$@" ; do
…		…
1565	cp "${ROOT}"/${lib} "${D}"/${lib} \|\| die "cp ${lib} failed"	1588	cp "${ROOT}"/${lib} "${D}"/${lib} \|\| die "cp ${lib} failed"
1566	touch "${D}"/${lib}	1589	touch "${D}"/${lib}
1567	done	1590	done
1568	}	1591	}
1569		1592
		1593	# @FUNCTION: preserve_old_lib_notify
		1594	# @USAGE: <libs to notify> [more libs]
		1595	# @DESCRIPTION:
		1596	# Spit helpful messages about the libraries preserved by preserve_old_lib.
1570	preserve_old_lib_notify() {	1597	preserve_old_lib_notify() {
1571	if [[ ${EBUILD_PHASE} != "postinst" ]] ; then	1598	if [[ ${EBUILD_PHASE} != "postinst" ]] ; then
1572	eerror "preserve_old_lib_notify() must be called from pkg_postinst() only"	1599	eerror "preserve_old_lib_notify() must be called from pkg_postinst() only"
1573	# die "Invalid preserve_old_lib_notify() usage"	1600	die "Invalid preserve_old_lib_notify() usage"
1574	fi	1601	fi
1575		1602
1576	local lib notice=0	1603	local lib notice=0
1577	for lib in "$@" ; do	1604	for lib in "$@" ; do
1578	[[ -e ${ROOT}/${lib} ]] \|\| continue	1605	[[ -e ${ROOT}/${lib} ]] \|\| continue
…		…
1587	fi	1614	fi
1588	ewarn " # revdep-rebuild --library ${lib##*/}"	1615	ewarn " # revdep-rebuild --library ${lib##*/}"
1589	done	1616	done
1590	}	1617	}
1591		1618
1592	# Hack for people to figure out if a package was built with	1619	# @FUNCTION: built_with_use
1593	# certain USE flags	1620	# @USAGE: [--hidden] [--missing <action>] [-a\|-o] <DEPEND ATOM> <List of USE flags>
1594	#	1621	# @DESCRIPTION:
1595	# Usage: built_with_use [-a\|-o] <DEPEND ATOM> <List of USE flags>	1622	# A temporary hack until portage properly supports DEPENDing on USE
1596	# ex: built_with_use xchat gtk2	1623	# flags being enabled in packages. This will check to see if the specified
1597	#	1624	# DEPEND atom was built with the specified list of USE flags. The
1598	# Flags: -a all USE flags should be utilized	1625	# --missing option controls the behavior if called on a package that does
1599	# -o at least one USE flag should be utilized	1626	# not actually support the defined USE flags (aka listed in IUSE).
1600	# Note: the default flag is '-a'	1627	# The default is to abort (call die). The -a and -o flags control
		1628	# the requirements of the USE flags. They correspond to "and" and "or"
		1629	# logic. So the -a flag means all listed USE flags must be enabled
		1630	# while the -o flag means at least one of the listed fIUSE flags must be
		1631	# enabled. The --hidden option is really for internal use only as it
		1632	# means the USE flag we're checking is hidden expanded, so it won't be found
		1633	# in IUSE like normal USE flags.
		1634	#
		1635	# Remember that this function isn't terribly intelligent so order of optional
		1636	# flags matter.
1601	built_with_use() {	1637	built_with_use() {
		1638	local hidden="no"
		1639	if [[ $1 == "--hidden" ]] ; then
		1640	hidden="yes"
		1641	shift
		1642	fi
		1643
		1644	local missing_action="die"
		1645	if [[ $1 == "--missing" ]] ; then
		1646	missing_action=$2
		1647	shift ; shift
		1648	case ${missing_action} in
		1649	true\|false\|die) ;;
		1650	*) die "unknown action '${missing_action}'";;
		1651	esac
		1652	fi
		1653
1602	local opt=$1	1654	local opt=$1
1603	[[ ${opt:0:1} = "-" ]] && shift \|\| opt="-a"	1655	[[ ${opt:0:1} = "-" ]] && shift \|\| opt="-a"
1604		1656
1605	local PKG=$(best_version $1)	1657	local PKG=$(best_version $1)
1606	[[ -z ${PKG} ]] && die "Unable to resolve $1 to an installed package"	1658	[[ -z ${PKG} ]] && die "Unable to resolve $1 to an installed package"
1607	shift	1659	shift
1608		1660
1609	local USEFILE=${ROOT}/var/db/pkg/${PKG}/USE	1661	local USEFILE=${ROOT}/var/db/pkg/${PKG}/USE
1610	local IUSEFILE=${ROOT}/var/db/pkg/${PKG}/IUSE	1662	local IUSEFILE=${ROOT}/var/db/pkg/${PKG}/IUSE
1611		1663
1612	# if the USE file doesnt exist, assume the $PKG is either	1664	# if the IUSE file doesn't exist, the read will error out, we need to handle
1613	# injected or package.provided	1665	# this gracefully
		1666	if [[ ! -e ${USEFILE} ]] \|\| [[ ! -e ${IUSEFILE} && ${hidden} == "no" ]] ; then
		1667	case ${missing_action} in
		1668	true) return 0;;
		1669	false) return 1;;
1614	[[ ! -e ${USEFILE} ]] && die "Unable to determine what USE flags $PKG was built with"	1670	die) die "Unable to determine what USE flags $PKG was built with";;
		1671	esac
		1672	fi
1615		1673
		1674	if [[ ${hidden} == "no" ]] ; then
1616	local IUSE_BUILT=$(<${IUSEFILE})	1675	local IUSE_BUILT=$(<${IUSEFILE})
1617	# Don't check USE_EXPAND #147237	1676	# Don't check USE_EXPAND #147237
1618	local expand	1677	local expand
1619	for expand in $(echo ${USE_EXPAND} \| tr '[:upper:]' '[:lower:]') ; do	1678	for expand in $(echo ${USE_EXPAND} \| tr '[:upper:]' '[:lower:]') ; do
1620	if [[ $1 == ${expand}_* ]] ; then	1679	if [[ $1 == ${expand}_* ]] ; then
1621	expand=""	1680	expand=""
1622	break	1681	break
1623	fi	1682	fi
1624	done	1683	done
1625	if [[ -n ${expand} ]] ; then	1684	if [[ -n ${expand} ]] ; then
		1685	if ! has $1 ${IUSE_BUILT} ; then
		1686	case ${missing_action} in
		1687	true) return 0;;
		1688	false) return 1;;
1626	has $1 ${IUSE_BUILT} \|\| die "$PKG does not actually support the $1 USE flag!"	1689	die) die "$PKG does not actually support the $1 USE flag!";;
		1690	esac
		1691	fi
		1692	fi
1627	fi	1693	fi
1628		1694
1629	local USE_BUILT=$(<${USEFILE})	1695	local USE_BUILT=$(<${USEFILE})
1630	while [[ $# -gt 0 ]] ; do	1696	while [[ $# -gt 0 ]] ; do
1631	if [[ ${opt} = "-o" ]] ; then	1697	if [[ ${opt} = "-o" ]] ; then
…		…
1636	shift	1702	shift
1637	done	1703	done
1638	[[ ${opt} = "-a" ]]	1704	[[ ${opt} = "-a" ]]
1639	}	1705	}
1640		1706
		1707	# @DESCRIPTION: epunt_cxx
		1708	# @USAGE: [dir to scan]
		1709	# @DESCRIPTION:
1641	# Many configure scripts wrongly bail when a C++ compiler	1710	# Many configure scripts wrongly bail when a C++ compiler could not be
1642	# could not be detected. #73450	1711	# detected. If dir is not specified, then it defaults to ${S}.
		1712	#
		1713	# http://bugs.gentoo.org/73450
1643	epunt_cxx() {	1714	epunt_cxx() {
1644	local dir=$1	1715	local dir=$1
1645	[[ -z ${dir} ]] && dir=${S}	1716	[[ -z ${dir} ]] && dir=${S}
1646	ebegin "Removing useless C++ checks"	1717	ebegin "Removing useless C++ checks"
1647	local f	1718	local f
…		…
1649	patch -p0 "${f}" "${PORTDIR}/eclass/ELT-patches/nocxx/nocxx.patch" > /dev/null	1720	patch -p0 "${f}" "${PORTDIR}/eclass/ELT-patches/nocxx/nocxx.patch" > /dev/null
1650	done	1721	done
1651	eend 0	1722	eend 0
1652	}	1723	}
1653		1724
1654	# make a wrapper script ...	1725	# @FUNCTION: make_wrapper
1655	# NOTE: this was originally games_make_wrapper, but I noticed other places where	1726	# @USAGE: <wrapper> <target> <chdir> [libpaths] [installpath]
1656	# this could be used, so I have moved it here and made it not games-specific	1727	# @DESCRIPTION:
1657	# -- wolf31o2	1728	# Create a shell wrapper script named wrapper in installpath
1658	# $1 == wrapper name	1729	# (defaults to the bindir) to execute target (default of wrapper) by
1659	# $2 == binary to run	1730	# first optionally setting LD_LIBRARY_PATH to the colon-delimited
1660	# $3 == directory to chdir before running binary	1731	# libpaths followed by optionally changing directory to chdir.
1661	# $4 == extra LD_LIBRARY_PATH's (make it : delimited)
1662	# $5 == path for wrapper
1663	make_wrapper() {	1732	make_wrapper() {
1664	local wrapper=$1 bin=$2 chdir=$3 libdir=$4 path=$5	1733	local wrapper=$1 bin=$2 chdir=$3 libdir=$4 path=$5
1665	local tmpwrapper=$(emktemp)	1734	local tmpwrapper=$(emktemp)
1666	# We don't want to quote ${bin} so that people can pass complex	1735	# We don't want to quote ${bin} so that people can pass complex
1667	# things as $bin ... "./someprog --args"	1736	# things as $bin ... "./someprog --args"
…		…
1677	fi	1746	fi
1678	exec ${bin} "\$@"	1747	exec ${bin} "\$@"
1679	EOF	1748	EOF
1680	chmod go+rx "${tmpwrapper}"	1749	chmod go+rx "${tmpwrapper}"
1681	if [[ -n ${path} ]] ; then	1750	if [[ -n ${path} ]] ; then
		1751	(
1682	exeinto "${path}"	1752	exeinto "${path}"
1683	newexe "${tmpwrapper}" "${wrapper}"	1753	newexe "${tmpwrapper}" "${wrapper}"
		1754	) \|\| die
1684	else	1755	else
1685	newbin "${tmpwrapper}" "${wrapper}"	1756	newbin "${tmpwrapper}" "${wrapper}" \|\| die
1686	fi	1757	fi
1687	}	1758	}

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