/[gentoo-x86]/eclass/eutils.eclass
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Revision 1.19 Revision 1.28
1# Copyright 1999-2003 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 1.19 2003/02/16 20:12:26 azarah Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.28 2003/03/10 09:32:34 vapier Exp $
4# 4#
5# Author: Martin Schlemmer <azarah@gentoo.org> 5# Author: Martin Schlemmer <azarah@gentoo.org>
6# 6#
7# This eclass is for general purpose functions that most ebuilds 7# This eclass is for general purpose functions that most ebuilds
8# have to implement themselves. 8# have to implement themselves.
318 then 318 then
319 einfo "Done with patching" 319 einfo "Done with patching"
320 fi 320 fi
321} 321}
322 322
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 ${T}/nptl
358 then
359 return 0
360 else
361 return 1
362 fi
363 else
364 echo "no"
365 fi
366
367 return 1
368}
369
323# This function check how many cpu's are present, and then set 370# This function check how many cpu's are present, and then set
324# -j in MAKEOPTS accordingly. 371# -j in MAKEOPTS accordingly.
325# 372#
326# Thanks to nall <nall@gentoo.org> for this. 373# Thanks to nall <nall@gentoo.org> for this.
327# 374#
341 ADMINPARAM="${ADMINPARAM/-j}" 388 ADMINPARAM="${ADMINPARAM/-j}"
342 fi 389 fi
343 390
344 export MAKEOPTS="`echo ${MAKEOPTS} | sed -e 's:-j *[0-9]*::g'`" 391 export MAKEOPTS="`echo ${MAKEOPTS} | sed -e 's:-j *[0-9]*::g'`"
345 392
346 if [ "${ARCH}" = "x86" -o "${ARCH}" = "hppa" ] 393 if [ "${ARCH}" = "x86" -o "${ARCH}" = "hppa" -o \
394 "${ARCH}" = "arm" -o "${ARCH}" = "mips" ]
347 then 395 then
348 # x86 and hppa always has "processor" 396 # these archs will always have "[Pp]rocessor"
349 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))" 397 jobs="$((`grep -c ^[Pp]rocessor /proc/cpuinfo` * 2))"
350 398
351 elif [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ] 399 elif [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ]
352 then 400 then
353 # sparc always has "ncpus active" 401 # sparc always has "ncpus active"
354 jobs="$((`grep "^ncpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))" 402 jobs="$((`grep "^ncpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
370 then 418 then
371 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))" 419 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
372 else 420 else
373 jobs=2 421 jobs=2
374 fi 422 fi
375 elif [ "${ARCH}" = "mips" ]
376 then
377 # mips always has "processor"
378 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
379
380 else 423 else
381 jobs="$((`grep -c ^cpu /proc/cpuinfo` * 2))" 424 jobs="$((`grep -c ^cpu /proc/cpuinfo` * 2))"
382 die "Unknown ARCH -- ${ARCH}!" 425 die "Unknown ARCH -- ${ARCH}!"
383 fi 426 fi
384 427
399 export MAKEOPTS="${MAKEOPTS} -j${jobs}" 442 export MAKEOPTS="${MAKEOPTS} -j${jobs}"
400 fi 443 fi
401 fi 444 fi
402} 445}
403 446
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} ${T}/edos2unix
627 sed 's/\r$//' ${T}/edos2unix > ${f}
628 done
629}

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