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1# Copyright 1999-2002 Gentoo Technologies, Inc. 1# Copyright 1999-2003 Gentoo Technologies, Inc.
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 1.27 2003/03/10 08:49:05 vapier Exp $
4#
3# Author: Martin Schlemmer <azarah@gentoo.org> 5# Author: Martin Schlemmer <azarah@gentoo.org>
4# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.1 2002/10/26 09:16:03 azarah Exp $ 6#
5# This eclass is for general purpose functions that most ebuilds 7# This eclass is for general purpose functions that most ebuilds
6# have to implement themselfs. 8# have to implement themselves.
7# 9#
8# NB: If you add anything, please comment it! 10# NB: If you add anything, please comment it!
9 11
10ECLASS=eutils 12ECLASS=eutils
11INHERITED="$INHERITED $ECLASS" 13INHERITED="$INHERITED $ECLASS"
12 14
13newdepend sys-devel/patch 15newdepend "!bootstrap? ( sys-devel/patch )"
14 16
15DESCRIPTION="Based on the ${ECLASS} eclass" 17DESCRIPTION="Based on the ${ECLASS} eclass"
16 18
17# This function generate linker scripts in /usr/lib for dynamic 19# This function generate linker scripts in /usr/lib for dynamic
18# libs in /lib. This is to fix linking problems when you have 20# libs in /lib. This is to fix linking problems when you have
47 more info. */ 49 more info. */
48GROUP ( /lib/libxxx ) 50GROUP ( /lib/libxxx )
49END_LDSCRIPT 51END_LDSCRIPT
50 52
51 dosed "s:libxxx:$1:" /usr/lib/$1 53 dosed "s:libxxx:$1:" /usr/lib/$1
52}
53 54
55 return 0
56}
57
58# Simple function to draw a line consisting of '=' the same length as $*
59#
60# <azarah@gentoo.org> (11 Nov 2002)
61#
62draw_line() {
63 local i=0
64 local str_length=""
65
66 # Handle calls that do not have args, or wc not being installed ...
67 if [ -z "$1" -o ! -x "$(which wc 2>/dev/null)" ]
68 then
69 echo "==============================================================="
70 return 0
71 fi
72
73 # Get the length of $*
74 str_length="$(echo -n "$*" | wc -m)"
75
76 while [ "$i" -lt "${str_length}" ]
77 do
78 echo -n "="
79
80 i=$((i + 1))
81 done
82
83 echo
84
85 return 0
86}
87
88# Default directory where patches are located
89EPATCH_SOURCE="${WORKDIR}/patch"
90# Default extension for patches
91EPATCH_SUFFIX="patch.bz2"
92# Default options for patch
93EPATCH_OPTS=""
94# List of patches not to apply. Not this is only file names,
95# and not the full path ..
96EPATCH_EXCLUDE=""
97# Change the printed message for a single patch.
98EPATCH_SINGLE_MSG=""
99
100# This function is for bulk patching, or in theory for just one
101# or two patches.
102#
103# It should work with .bz2, .gz, .zip and plain text patches.
104# Currently all patches should be the same format.
105#
106# You do not have to specify '-p' option to patch, as it will
107# try with -p0 to -p5 until it succeed, or fail at -p5.
108#
109# Above EPATCH_* variables can be used to control various defaults,
110# bug they should be left as is to ensure an ebuild can rely on
111# them for.
112#
113# Patches are applied in current directory.
114#
115# Bulk Patches should preferibly have the form of:
116#
117# ??_${ARCH}_foo.${EPATCH_SUFFIX}
118#
119# For example:
120#
121# 01_all_misc-fix.patch.bz2
122# 02_sparc_another-fix.patch.bz2
123#
124# This ensures that there are a set order, and you can have ARCH
125# specific patches.
126#
127# If you however give an argument to epatch(), it will treat it as a
128# single patch that need to be applied if its a file. If on the other
129# hand its a directory, it will set EPATCH_SOURCE to this.
130#
131# <azarah@gentoo.org> (10 Nov 2002)
132#
133epatch() {
134 local PIPE_CMD=""
135 local STDERR_TARGET="${T}/$$.out"
136 local PATCH_TARGET="${T}/$$.patch"
137 local PATCH_SUFFIX=""
138 local SINGLE_PATCH="no"
139 local x=""
140
141 if [ "$#" -gt 1 ]
142 then
143 eerror "Invalid arguments to epatch()"
144 die "Invalid arguments to epatch()"
145 fi
146
147 if [ -n "$1" -a -f "$1" ]
148 then
149 SINGLE_PATCH="yes"
150
151 local EPATCH_SOURCE="$1"
152 local EPATCH_SUFFIX="${1##*\.}"
153
154 elif [ -n "$1" -a -d "$1" ]
155 then
156 local EPATCH_SOURCE="$1/*.${EPATCH_SUFFIX}"
157 else
158 if [ ! -d ${EPATCH_SOURCE} ]
159 then
160 if [ -n "$1" -a "${EPATCH_SOURCE}" = "${WORKDIR}/patch" ]
161 then
162 EPATCH_SOURCE="$1"
163 fi
164
165 echo
166 eerror "Cannot find \$EPATCH_SOURCE! Value for \$EPATCH_SOURCE is:"
167 eerror
168 eerror " ${EPATCH_SOURCE}"
169 echo
170 die "Cannot find \$EPATCH_SOURCE!"
171 fi
172
173 local EPATCH_SOURCE="${EPATCH_SOURCE}/*.${EPATCH_SUFFIX}"
174 fi
175
176 case ${EPATCH_SUFFIX##*\.} in
177 bz2)
178 PIPE_CMD="bzip2 -dc"
179 PATCH_SUFFIX="bz2"
180 ;;
181 gz|Z|z)
182 PIPE_CMD="gzip -dc"
183 PATCH_SUFFIX="gz"
184 ;;
185 ZIP|zip)
186 PIPE_CMD="unzip -p"
187 PATCH_SUFFIX="zip"
188 ;;
189 *)
190 PIPE_CMD="cat"
191 PATCH_SUFFIX="patch"
192 ;;
193 esac
194
195 if [ "${SINGLE_PATCH}" = "no" ]
196 then
197 einfo "Applying various patches (bugfixes/updates)..."
198 fi
199 for x in ${EPATCH_SOURCE}
200 do
201 # New ARCH dependant patch naming scheme...
202 #
203 # ???_arch_foo.patch
204 #
205 if [ -f ${x} ] && \
206 [ "${SINGLE_PATCH}" = "yes" -o "${x/_all_}" != "${x}" -o "`eval echo \$\{x/_${ARCH}_\}`" != "${x}" ]
207 then
208 local count=0
209 local popts="${EPATCH_OPTS}"
210
211 if [ -n "${EPATCH_EXCLUDE}" ]
212 then
213 if [ "`eval echo \$\{EPATCH_EXCLUDE/${x##*/}\}`" != "${EPATCH_EXCLUDE}" ]
214 then
215 continue
216 fi
217 fi
218
219 if [ "${SINGLE_PATCH}" = "yes" ]
220 then
221 if [ -n "${EPATCH_SINGLE_MSG}" ]
222 then
223 einfo "${EPATCH_SINGLE_MSG}"
224 else
225 einfo "Applying ${x##*/}..."
226 fi
227 else
228 einfo " ${x##*/}..."
229 fi
230
231 echo "***** ${x##*/} *****" > ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
232 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
233
234 # Allow for prefix to differ ... im lazy, so shoot me :/
235 while [ "${count}" -lt 5 ]
236 do
237 # Generate some useful debug info ...
238 draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
239 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
240
241 if [ "${PATCH_SUFFIX}" != "patch" ]
242 then
243 echo -n "PIPE_COMMAND: " >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
244 echo "${PIPE_CMD} ${x} > ${PATCH_TARGET}" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
245 else
246 PATCH_TARGET="${x}"
247 fi
248
249 echo -n "PATCH COMMAND: " >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
250 echo "patch ${popts} -p${count} < ${PATCH_TARGET}" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
251
252 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
253 draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
254
255 if [ "${PATCH_SUFFIX}" != "patch" ]
256 then
257 if ! (${PIPE_CMD} ${x} > ${PATCH_TARGET}) >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 2>&1
258 then
259 echo
260 eerror "Could not extract patch!"
261 #die "Could not extract patch!"
262 count=5
263 break
264 fi
265 fi
266
267 if (cat ${PATCH_TARGET} | patch ${popts} --dry-run -f -p${count}) >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 2>&1
268 then
269 draw_line "***** ${x##*/} *****" > ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
270 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
271 echo "ACTUALLY APPLYING ${x##*/}..." >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
272 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
273 draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
274
275 cat ${PATCH_TARGET} | patch ${popts} -p${count} >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real 2>&1
276
277 if [ "$?" -ne 0 ]
278 then
279 cat ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
280 echo
281 eerror "A dry-run of patch command succeeded, but actually"
282 eerror "applying the patch failed!"
283 #die "Real world sux compared to the dreamworld!"
284 count=5
285 fi
286
287 rm -f ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
288
289 break
290 fi
291
292 count=$((count + 1))
293 done
294
295 if [ "${PATCH_SUFFIX}" != "patch" ]
296 then
297 rm -f ${PATCH_TARGET}
298 fi
299
300 if [ "${count}" -eq 5 ]
301 then
302 echo
303 eerror "Failed Patch: ${x##*/}!"
304 eerror
305 eerror "Include in your bugreport the contents of:"
306 eerror
307 eerror " ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}"
308 echo
309 die "Failed Patch: ${x##*/}!"
310 fi
311
312 rm -f ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
313
314 eend 0
315 fi
316 done
317 if [ "${SINGLE_PATCH}" = "no" ]
318 then
319 einfo "Done with patching"
320 fi
321}
322
323# This function return true if we are using the NPTL pthreads
324# implementation.
325#
326# <azarah@gentoo.org> (06 March 2003)
327#
328
329have_NPTL() {
330
331 cat > ${T}/test-nptl.c <<-"END"
332 #define _XOPEN_SOURCE
333 #include <unistd.h>
334 #include <stdio.h>
335
336 int main()
337 {
338 char buf[255];
339 char *str = buf;
340
341 confstr(_CS_GNU_LIBPTHREAD_VERSION, str, 255);
342 if (NULL != str) {
343 printf("%s\n", str);
344 if (NULL != strstr(str, "NPTL"))
345 return 0;
346 }
347
348 return 1;
349 }
350 END
351
352 einfon "Checking for _CS_GNU_LIBPTHREAD_VERSION support in glibc ... "
353 if gcc -o ${T}/nptl ${T}/test-nptl.c &> /dev/null
354 then
355 echo "yes"
356 einfon "Checking what PTHREADS implementation we have ... "
357 if ${T}/nptl
358 then
359 return 0
360 else
361 return 1
362 fi
363 else
364 echo "no"
365 fi
366
367 return 1
368}
369
370# This function check how many cpu's are present, and then set
371# -j in MAKEOPTS accordingly.
372#
373# Thanks to nall <nall@gentoo.org> for this.
374#
375get_number_of_jobs() {
376 local jobs=0
377
378 if [ ! -r /proc/cpuinfo ]
379 then
380 return 1
381 fi
382
383 # This bit is from H?kan Wessberg <nacka-gentoo@refug.org>, bug #13565.
384 if [ "`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf | wc -l`" -gt 0 ]
385 then
386 ADMINOPTS="`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf | cut -d= -f2 | sed 's/\"//g'`"
387 ADMINPARAM="`echo ${ADMINOPTS} | gawk '{match($0, /-j *[0-9]*/, opt); print opt[0]}'`"
388 ADMINPARAM="${ADMINPARAM/-j}"
389 fi
390
391 export MAKEOPTS="`echo ${MAKEOPTS} | sed -e 's:-j *[0-9]*::g'`"
392
393 if [ "${ARCH}" = "x86" -o "${ARCH}" = "hppa" -o \
394 "${ARCH}" = "arm" -o "${ARCH}" = "mips" ]
395 then
396 # these archs will always have "[Pp]rocessor"
397 jobs="$((`grep -c ^[Pp]rocessor /proc/cpuinfo` * 2))"
398
399 elif [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ]
400 then
401 # sparc always has "ncpus active"
402 jobs="$((`grep "^ncpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
403
404 elif [ "${ARCH}" = "alpha" ]
405 then
406 # alpha has "cpus active", but only when compiled with SMP
407 if [ "`grep -c "^cpus active" /proc/cpuinfo`" -eq 1 ]
408 then
409 jobs="$((`grep "^cpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
410 else
411 jobs=2
412 fi
413
414 elif [ "${ARCH}" = "ppc" ]
415 then
416 # ppc has "processor", but only when compiled with SMP
417 if [ "`grep -c "^processor" /proc/cpuinfo`" -eq 1 ]
418 then
419 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
420 else
421 jobs=2
422 fi
423 else
424 jobs="$((`grep -c ^cpu /proc/cpuinfo` * 2))"
425 die "Unknown ARCH -- ${ARCH}!"
426 fi
427
428 # Make sure the number is valid ...
429 if [ "${jobs}" -lt 1 ]
430 then
431 jobs=1
432 fi
433
434 if [ -n "${ADMINPARAM}" ]
435 then
436 if [ "${jobs}" -gt "${ADMINPARAM}" ]
437 then
438 einfo "Setting make jobs to \"-j${ADMINPARAM}\" to ensure successful merge..."
439 export MAKEOPTS="${MAKEOPTS} -j${ADMINPARAM}"
440 else
441 einfo "Setting make jobs to \"-j${jobs}\" to ensure successful merge..."
442 export MAKEOPTS="${MAKEOPTS} -j${jobs}"
443 fi
444 fi
445}
446
447# Simplify/standardize adding users to the system
448# vapier@gentoo.org
449#
450# enewuser(username, uid, shell, homedir, groups, extra options)
451#
452# Default values if you do not specify any:
453# username: REQUIRED !
454# uid: next available (see useradd(8))
455# note: pass -1 to get default behavior
456# shell: /bin/false
457# homedir: /dev/null
458# groups: none
459# extra: comment of 'added by portage for ${PN}'
460enewuser() {
461 # get the username
462 local euser="$1"; shift
463 if [ -z "${euser}" ] ; then
464 eerror "No username specified !"
465 die "Cannot call enewuser without a username"
466 fi
467 einfo "Adding user '${euser}' to your system ..."
468
469 # setup a file for testing usernames/groups
470 local tmpfile="`mktemp -p ${T}`"
471 touch ${tmpfile}
472 chown ${euser} ${tmpfile} >& /dev/null
473 local realuser="`ls -l ${tmpfile} | awk '{print $3}'`"
474
475 # see if user already exists
476 if [ "${euser}" == "${realuser}" ] ; then
477 einfo "${euser} already exists on your system :)"
478 return 0
479 fi
480
481 # options to pass to useradd
482 local opts=""
483
484 # handle uid
485 local euid="$1"; shift
486 if [ ! -z "${euid}" ] && [ "${euid}" != "-1" ] ; then
487 if [ ${euid} -gt 0 ] ; then
488 opts="${opts} -u ${euid}"
489 else
490 eerror "Userid given but is not greater than 0 !"
491 die "${euid} is not a valid UID"
492 fi
493 else
494 euid="next available"
495 fi
496 einfo " - Userid: ${euid}"
497
498 # handle shell
499 local eshell="$1"; shift
500 if [ ! -z "${eshell}" ] ; then
501 if [ ! -e ${eshell} ] ; then
502 eerror "A shell was specified but it does not exist !"
503 die "${eshell} does not exist"
504 fi
505 else
506 eshell=/bin/false
507 fi
508 einfo " - Shell: ${eshell}"
509 opts="${opts} -s ${eshell}"
510
511 # handle homedir
512 local ehome="$1"; shift
513 if [ -z "${ehome}" ] ; then
514 ehome=/dev/null
515 fi
516 einfo " - Home: ${ehome}"
517 opts="${opts} -d ${ehome}"
518
519 # handle groups
520 local egroups="$1"; shift
521 if [ ! -z "${egroups}" ] ; then
522 local realgroup
523 local oldifs="${IFS}"
524 export IFS=","
525 for g in ${egroups} ; do
526 chgrp ${g} ${tmpfile} >& /dev/null
527 realgroup="`ls -l ${tmpfile} | awk '{print $4}'`"
528 if [ "${g}" != "${realgroup}" ] ; then
529 eerror "You must add ${g} to the system first"
530 die "${g} is not a valid GID"
531 fi
532 done
533 export IFS="${oldifs}"
534 opts="${opts} -g ${egroups}"
535 else
536 egroups="(none)"
537 fi
538 einfo " - Groups: ${egroups}"
539
540 # handle extra and add the user
541 local eextra="$@"
542 local oldsandbox="${oldsandbox}"
543 export SANDBOX_ON="0"
544 if [ -z "${eextra}" ] ; then
545 useradd ${opts} ${euser} \
546 -c "added by portage for ${PN}" \
547 || die "enewuser failed"
548 else
549 einfo " - Extra: ${eextra}"
550 useradd ${opts} ${euser} ${eextra} \
551 || die "enewuser failed"
552 fi
553 export SANDBOX_ON="${oldsandbox}"
554
555 if [ ! -e ${ehome} ] && [ ! -e ${D}/${ehome} ] ; then
556 einfo " - Creating ${ehome} in ${D}"
557 dodir ${ehome}
558 fperms ${euser} ${ehome}
559 fi
560}
561
562# Simplify/standardize adding groups to the system
563# vapier@gentoo.org
564#
565# enewgroup(group, gid)
566#
567# Default values if you do not specify any:
568# groupname: REQUIRED !
569# gid: next available (see groupadd(8))
570# extra: none
571enewgroup() {
572 # get the group
573 local egroup="$1"; shift
574 if [ -z "${egroup}" ] ; then
575 eerror "No group specified !"
576 die "Cannot call enewgroup without a group"
577 fi
578 einfo "Adding group '${egroup}' to your system ..."
579
580 # setup a file for testing groupname
581 local tmpfile="`mktemp -p ${T}`"
582 touch ${tmpfile}
583 chgrp ${egroup} ${tmpfile} >& /dev/null
584 local realgroup="`ls -l ${tmpfile} | awk '{print $4}'`"
585
586 # see if group already exists
587 if [ "${egroup}" == "${realgroup}" ] ; then
588 einfo "${egroup} already exists on your system :)"
589 return 0
590 fi
591
592 # options to pass to useradd
593 local opts=""
594
595 # handle gid
596 local egid="$1"; shift
597 if [ ! -z "${egid}" ] ; then
598 if [ ${egid} -gt 0 ] ; then
599 opts="${opts} -g ${egid}"
600 else
601 eerror "Groupid given but is not greater than 0 !"
602 die "${egid} is not a valid GID"
603 fi
604 else
605 egid="next available"
606 fi
607 einfo " - Groupid: ${egid}"
608
609 # handle extra
610 local eextra="$@"
611 opts="${opts} ${eextra}"
612
613 # add the group
614 local oldsandbox="${oldsandbox}"
615 export SANDBOX_ON="0"
616 groupadd ${opts} ${egroup} || die "enewgroup failed"
617 export SANDBOX_ON="${oldsandbox}"
618}
619
620# Simple script to replace 'dos2unix' binaries
621# vapier@gentoo.org
622#
623# edos2unix(file, <more files>...)
624edos2unix() {
625 for f in $@ ; do
626 cp ${f} ${T}/
627 sed 's/\r$//' ${T}/${f} > ${f}
628 done
629}

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