/[gentoo-x86]/eclass/eutils.eclass
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1# Copyright 1999-2002 Gentoo Technologies, Inc. 1# Copyright 1999-2002 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# Author: Martin Schlemmer <azarah@gentoo.org> 3# Author: Martin Schlemmer <azarah@gentoo.org>
4# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.9 2002/12/01 15:48:27 azarah Exp $ 4# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.14 2003/01/19 20:23:28 azarah Exp $
5# This eclass is for general purpose functions that most ebuilds 5# This eclass is for general purpose functions that most ebuilds
6# have to implement themselves. 6# have to implement themselves.
7# 7#
8# NB: If you add anything, please comment it! 8# NB: If you add anything, please comment it!
9 9
10ECLASS=eutils 10ECLASS=eutils
11INHERITED="$INHERITED $ECLASS" 11INHERITED="$INHERITED $ECLASS"
12 12
13newdepend sys-devel/patch 13newdepend "!bootstrap? ( sys-devel/patch )"
14 14
15DESCRIPTION="Based on the ${ECLASS} eclass" 15DESCRIPTION="Based on the ${ECLASS} eclass"
16 16
17# This function generate linker scripts in /usr/lib for dynamic 17# This function generate linker scripts in /usr/lib for dynamic
18# libs in /lib. This is to fix linking problems when you have 18# libs in /lib. This is to fix linking problems when you have
154 local EPATCH_SOURCE="$1/*.${EPATCH_SUFFIX}" 154 local EPATCH_SOURCE="$1/*.${EPATCH_SUFFIX}"
155 else 155 else
156 if [ ! -d ${EPATCH_SOURCE} ] 156 if [ ! -d ${EPATCH_SOURCE} ]
157 then 157 then
158 echo 158 echo
159 eerror "Cannot find \$EPATCH_SOURCE!" 159 eerror "Cannot find \$EPATCH_SOURCE! Value for \$EPATCH_SOURCE is:"
160 eerror
161 eerror " ${EPATCH_SOURCE}"
160 echo 162 echo
161 die "Cannot find \$EPATCH_SOURCE!" 163 die "Cannot find \$EPATCH_SOURCE!"
162 fi 164 fi
163 165
164 local EPATCH_SOURCE="${EPATCH_SOURCE}/*.${EPATCH_SUFFIX}" 166 local EPATCH_SOURCE="${EPATCH_SOURCE}/*.${EPATCH_SUFFIX}"
309 then 311 then
310 einfo "Done with patching" 312 einfo "Done with patching"
311 fi 313 fi
312} 314}
313 315
316# This function check how many cpu's are present, and then set
317# -j in MAKEOPTS accordingly.
318#
319# Thanks to nall <nall@gentoo.org> for this.
320#
321get_number_of_jobs() {
322 local jobs=0
323
324 if [ ! -r /proc/cpuinfo ]
325 then
326 return 1
327 fi
328
329 # This bit is from H?kan Wessberg <nacka-gentoo@refug.org>, bug #13565.
330 if [ "`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf | wc -l`" -gt 0 ]
331 then
332 ADMINOPTS="`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf | cut -d= -f2 | sed 's/\"//g'`"
333 ADMINPARAM="${ADMINOPTS##*-j}"
334 ADMINPARAM="${ADMINPARAM%% -*}"
335 fi
336
337 export MAKEOPTS="`echo ${MAKEOPTS} | sed -e 's:-j[0-9]*::g'`"
338
339 if [ "${ARCH}" = "x86" ]
340 then
341 # x86 always has "processor"
342 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
343
344 elif [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ]
345 then
346 # sparc always has "ncpus active"
347 jobs="$((`grep "^ncpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
348
349 elif [ "${ARCH}" = "alpha" ]
350 then
351 # alpha has "cpus active", but only when compiled with SMP
352 if [ "`grep -c "^cpus active" /proc/cpuinfo`" -eq 1 ]
353 then
354 jobs="$((`grep "^cpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
355 else
356 jobs=2
357 fi
358
359 elif [ "${ARCH}" = "ppc" ]
360 then
361 # ppc has "processor", but only when compiled with SMP
362 if [ "`grep -c "^processor" /proc/cpuinfo`" -eq 1 ]
363 then
364 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
365 else
366 jobs=2
367 fi
368 elif [ "${ARCH}" = "mips" ]
369 then
370 # mips always has "processor"
371 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
372
373 else
374 jobs="$((`grep -c ^cpu /proc/cpuinfo` * 2))"
375 die "Unknown ARCH -- ${ARCH}!"
376 fi
377
378 # Make sure the number is valid ...
379 if [ "${jobs}" -lt 1 ]
380 then
381 jobs=1
382 fi
383
384 if [ -n "${ADMINPARAM}" -a "${jobs}" -gt "${ADMINPARAM}" ]
385 then
386 einfo "Setting make jobs to \"-j${ADMINPARAM}\" to ensure successful merge..."
387 export MAKEOPTS="${MAKEOPTS} -j${ADMINPARAM}"
388 else
389 einfo "Setting make jobs to \"-j${jobs}\" to ensure successful merge..."
390 export MAKEOPTS="${MAKEOPTS} -j${jobs}"
391 fi
392}
393

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