/[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 1.10 2002/12/01 23:22:50 azarah Exp $ 4# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.13 2003/01/17 08:08:48 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}"
315# -j in MAKEOPTS accordingly. 317# -j in MAKEOPTS accordingly.
316# 318#
317# Thanks to nall <nall@gentoo.org> for this. 319# Thanks to nall <nall@gentoo.org> for this.
318# 320#
319get_number_of_jobs() { 321get_number_of_jobs() {
322 local jobs=0
323
320 if [ ! -r /proc/cpuinfo ] 324 if [ ! -r /proc/cpuinfo ]
321 then 325 then
322 return 1 326 return 1
323 fi 327 fi
324 328
325 export MAKEOPTS="`echo ${MAKEOPTS} | sed -e 's:-j[0-9]*::g'`" 329 export MAKEOPTS="`echo ${MAKEOPTS} | sed -e 's:-j[0-9]*::g'`"
326 330
327 if [ "${ARCH}" = "x86" ] 331 if [ "${ARCH}" = "x86" ]
328 then 332 then
329 # x86 always has "processor" 333 # x86 always has "processor"
330 export MAKEOPTS="${MAKEOPTS} -j$((`grep -c ^processor /proc/cpuinfo` * 2))" 334 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
331 335
332 elif [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ] 336 elif [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ]
333 then 337 then
334 # sparc always has "ncpus active" 338 # sparc always has "ncpus active"
335 export MAKEOPTS="${MAKEOPTS} -j$((`grep "^ncpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))" 339 jobs="$((`grep "^ncpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
336 340
337 elif [ "${ARCH}" = "alpha" ] 341 elif [ "${ARCH}" = "alpha" ]
338 then 342 then
339 # alpha has "cpus active", but only when compiled with SMP 343 # alpha has "cpus active", but only when compiled with SMP
340 if [ "`grep -c "^cpus active" /proc/cpuinfo`" = "1" ] 344 if [ "`grep -c "^cpus active" /proc/cpuinfo`" -eq 1 ]
341 then 345 then
342 export MAKEOPTS="${MAKEOPTS} -j$((`grep "^cpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))" 346 jobs="$((`grep "^cpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
343 else 347 else
344 export MAKEOPTS="${MAKEOPTS} -j2" 348 jobs=2
345 fi 349 fi
346 350
347 elif [ "${ARCH}" = "ppc" ] 351 elif [ "${ARCH}" = "ppc" ]
348 then 352 then
349 # ppc has "processor", but only when compiled with SMP 353 # ppc has "processor", but only when compiled with SMP
350 if [ "`grep -c "^processor" /proc/cpuinfo`" = "1" ] 354 if [ "`grep -c "^processor" /proc/cpuinfo`" -eq 1 ]
351 then 355 then
352 export MAKEOPTS="${MAKEOPTS} -j$((`grep -c ^processor /proc/cpuinfo` * 2))" 356 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
353 else 357 else
354 export MAKEOPTS="${MAKEOPTS} -j2" 358 jobs=2
355 fi 359 fi
360 elif [ "${ARCH}" = "mips" ]
361 then
362 # mips always has "processor"
363 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
364
356 else 365 else
357 export MAKEOPTS="${MAKEOPTS} -j$((`grep -c ^cpu /proc/cpuinfo` * 2))" 366 jobs="$((`grep -c ^cpu /proc/cpuinfo` * 2))"
358 die "Unknown ARCH -- ${ARCH}!" 367 die "Unknown ARCH -- ${ARCH}!"
359 fi 368 fi
369
370 # Make sure the number is valid ...
371 if [ "${jobs}" -lt 1 ]
372 then
373 jobs=1
374 fi
375
376 export MAKEOPTS="${MAKEOPTS} -j${jobs}"
360} 377}
361 378

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