/[gentoo-x86]/eclass/eutils.eclass
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Revision 1.32 Revision 1.182
1# Copyright 1999-2003 Gentoo Technologies, Inc. 1# Copyright 1999-2005 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 1.32 2003/06/10 17:30:21 danarmak Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.182 2005/06/11 00:02:26 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.
9# 9#
10# NB: If you add anything, please comment it! 10# NB: If you add anything, please comment it!
11 11
12inherit multilib
12ECLASS=eutils 13ECLASS=eutils
13INHERITED="$INHERITED $ECLASS" 14INHERITED="$INHERITED $ECLASS"
14 15
15DEPEND="$DEPEND !bootstrap? ( sys-devel/patch )" 16DEPEND="!bootstrap? ( sys-devel/patch userland_GNU? ( sys-apps/shadow ) )"
17# sys-apps/shadow is needed for useradd, etc, bug #94745.
16 18
17DESCRIPTION="Based on the ${ECLASS} eclass" 19DESCRIPTION="Based on the ${ECLASS} eclass"
20
21# Wait for the supplied number of seconds. If no argument is supplied, defaults
22# to five seconds. If the EPAUSE_IGNORE env var is set, don't wait. If we're not
23# outputting to a terminal, don't wait. For compatability purposes, the argument
24# must be an integer greater than zero.
25# Bug 62950, Ciaran McCreesh <ciaranm@gentoo.org> (05 Sep 2004)
26epause() {
27 if [ -z "$EPAUSE_IGNORE" ] && [ -t 1 ] ; then
28 sleep ${1:-5}
29 fi
30}
31
32# Beep the specified number of times (defaults to five). If our output
33# is not a terminal, don't beep. If the EBEEP_IGNORE env var is set,
34# don't beep.
35# Bug 62950, Ciaran McCreesh <ciaranm@gentoo.org> (05 Sep 2004)
36ebeep() {
37 local n
38 if [ -z "$EBEEP_IGNORE" ] && [ -t 1 ] ; then
39 for ((n=1 ; n <= ${1:-5} ; n++)) ; do
40 echo -ne "\a"
41 sleep 0.1 &>/dev/null ; sleep 0,1 &>/dev/null
42 echo -ne "\a"
43 sleep 1
44 done
45 fi
46}
18 47
19# This function generate linker scripts in /usr/lib for dynamic 48# This function generate linker scripts in /usr/lib for dynamic
20# libs in /lib. This is to fix linking problems when you have 49# libs in /lib. This is to fix linking problems when you have
21# the .so in /lib, and the .a in /usr/lib. What happens is that 50# the .so in /lib, and the .a in /usr/lib. What happens is that
22# in some cases when linking dynamic, the .a in /usr/lib is used 51# in some cases when linking dynamic, the .a in /usr/lib is used
33# to point to the latest version of the library present. 62# to point to the latest version of the library present.
34# 63#
35# <azarah@gentoo.org> (26 Oct 2002) 64# <azarah@gentoo.org> (26 Oct 2002)
36# 65#
37gen_usr_ldscript() { 66gen_usr_ldscript() {
38 67 local libdir="$(get_libdir)"
39 # Just make sure it exists 68 # Just make sure it exists
40 dodir /usr/lib 69 dodir /usr/${libdir}
41 70
71 for lib in "${@}" ; do
42 cat > ${D}/usr/lib/$1 <<"END_LDSCRIPT" 72 cat > "${D}/usr/${libdir}/${lib}" <<-END_LDSCRIPT
43/* GNU ld script 73 /* GNU ld script
44 Because Gentoo have critical dynamic libraries 74 Since Gentoo has critical dynamic libraries
45 in /lib, and the static versions in /usr/lib, we 75 in /lib, and the static versions in /usr/lib,
46 need to have a "fake" dynamic lib in /usr/lib, 76 we need to have a "fake" dynamic lib in /usr/lib,
47 otherwise we run into linking problems. 77 otherwise we run into linking problems.
48 See bug #4411 on http://bugs.gentoo.org/ for 78
49 more info. */ 79 See bug http://bugs.gentoo.org/4411 for more info.
50GROUP ( /lib/libxxx ) 80 */
81 GROUP ( /${libdir}/${lib} )
51END_LDSCRIPT 82 END_LDSCRIPT
52 83 fperms a+x "/usr/${libdir}/${lib}"
53 dosed "s:libxxx:$1:" /usr/lib/$1 84 done
54
55 return 0
56} 85}
57 86
58# Simple function to draw a line consisting of '=' the same length as $* 87# Simple function to draw a line consisting of '=' the same length as $*
88# - only to be used by epatch()
59# 89#
60# <azarah@gentoo.org> (11 Nov 2002) 90# <azarah@gentoo.org> (11 Nov 2002)
61# 91#
62draw_line() { 92draw_line() {
63 local i=0 93 local i=0
88# Default directory where patches are located 118# Default directory where patches are located
89EPATCH_SOURCE="${WORKDIR}/patch" 119EPATCH_SOURCE="${WORKDIR}/patch"
90# Default extension for patches 120# Default extension for patches
91EPATCH_SUFFIX="patch.bz2" 121EPATCH_SUFFIX="patch.bz2"
92# Default options for patch 122# Default options for patch
93EPATCH_OPTS="" 123# Set -g0 to keep RCS, ClearCase, Perforce and SCCS happy. Bug #24571
124# Set --no-backup-if-mismatch so we don't leave '.orig' files behind.
125EPATCH_OPTS="-g0 --no-backup-if-mismatch"
94# List of patches not to apply. Not this is only file names, 126# List of patches not to apply. Not this is only file names,
95# and not the full path .. 127# and not the full path ..
96EPATCH_EXCLUDE="" 128EPATCH_EXCLUDE=""
97# Change the printed message for a single patch. 129# Change the printed message for a single patch.
98EPATCH_SINGLE_MSG="" 130EPATCH_SINGLE_MSG=""
131# Change the printed message for multiple patches.
132EPATCH_MULTI_MSG="Applying various patches (bugfixes/updates) ..."
99# Force applying bulk patches even if not following the style: 133# Force applying bulk patches even if not following the style:
100# 134#
101# ??_${ARCH}_foo.${EPATCH_SUFFIX} 135# ??_${ARCH}_foo.${EPATCH_SUFFIX}
102# 136#
103EPATCH_FORCE="no" 137EPATCH_FORCE="no"
143 local SINGLE_PATCH="no" 177 local SINGLE_PATCH="no"
144 local x="" 178 local x=""
145 179
146 if [ "$#" -gt 1 ] 180 if [ "$#" -gt 1 ]
147 then 181 then
148 eerror "Invalid arguments to epatch()" 182 local m=""
149 die "Invalid arguments to epatch()" 183 for m in "$@" ; do
184 epatch "${m}"
185 done
186 return 0
150 fi 187 fi
151 188
152 if [ -n "$1" -a -f "$1" ] 189 if [ -n "$1" -a -f "$1" ]
153 then 190 then
154 SINGLE_PATCH="yes" 191 SINGLE_PATCH="yes"
164 local EPATCH_SOURCE="$1/*" 201 local EPATCH_SOURCE="$1/*"
165 else 202 else
166 local EPATCH_SOURCE="$1/*.${EPATCH_SUFFIX}" 203 local EPATCH_SOURCE="$1/*.${EPATCH_SUFFIX}"
167 fi 204 fi
168 else 205 else
169 if [ ! -d ${EPATCH_SOURCE} ] 206 if [ ! -d ${EPATCH_SOURCE} ] || [ -n "$1" ]
170 then 207 then
171 if [ -n "$1" -a "${EPATCH_SOURCE}" = "${WORKDIR}/patch" ] 208 if [ -n "$1" -a "${EPATCH_SOURCE}" = "${WORKDIR}/patch" ]
172 then 209 then
173 EPATCH_SOURCE="$1" 210 EPATCH_SOURCE="$1"
174 fi 211 fi
175 212
176 echo 213 echo
177 eerror "Cannot find \$EPATCH_SOURCE! Value for \$EPATCH_SOURCE is:" 214 eerror "Cannot find \$EPATCH_SOURCE! Value for \$EPATCH_SOURCE is:"
178 eerror 215 eerror
179 eerror " ${EPATCH_SOURCE}" 216 eerror " ${EPATCH_SOURCE}"
217 eerror " ( ${EPATCH_SOURCE##*/} )"
180 echo 218 echo
181 die "Cannot find \$EPATCH_SOURCE!" 219 die "Cannot find \$EPATCH_SOURCE!"
182 fi 220 fi
183 221
184 local EPATCH_SOURCE="${EPATCH_SOURCE}/*.${EPATCH_SUFFIX}" 222 local EPATCH_SOURCE="${EPATCH_SOURCE}/*.${EPATCH_SUFFIX}"
203 ;; 241 ;;
204 esac 242 esac
205 243
206 if [ "${SINGLE_PATCH}" = "no" ] 244 if [ "${SINGLE_PATCH}" = "no" ]
207 then 245 then
208 einfo "Applying various patches (bugfixes/updates)..." 246 einfo "${EPATCH_MULTI_MSG}"
209 fi 247 fi
210 for x in ${EPATCH_SOURCE} 248 for x in ${EPATCH_SOURCE}
211 do 249 do
212 # New ARCH dependant patch naming scheme... 250 # New ARCH dependant patch naming scheme ...
213 # 251 #
214 # ???_arch_foo.patch 252 # ???_arch_foo.patch
215 # 253 #
216 if [ -f ${x} ] && \ 254 if [ -f ${x} ] && \
217 ([ "${SINGLE_PATCH}" = "yes" -o "${x/_all_}" != "${x}" -o "`eval echo \$\{x/_${ARCH}_\}`" != "${x}" ] || \ 255 ([ "${SINGLE_PATCH}" = "yes" -o "${x/_all_}" != "${x}" -o "${x/_${ARCH}_}" != "${x}" ] || \
218 [ "${EPATCH_FORCE}" = "yes" ]) 256 [ "${EPATCH_FORCE}" = "yes" ])
219 then 257 then
220 local count=0 258 local count=0
221 local popts="${EPATCH_OPTS}" 259 local popts="${EPATCH_OPTS}"
260 local patchname=${x##*/}
222 261
223 if [ -n "${EPATCH_EXCLUDE}" ] 262 if [ -n "${EPATCH_EXCLUDE}" ]
224 then 263 then
225 if [ "`eval echo \$\{EPATCH_EXCLUDE/${x##*/}\}`" != "${EPATCH_EXCLUDE}" ] 264 if [ "${EPATCH_EXCLUDE/${patchname}}" != "${EPATCH_EXCLUDE}" ]
226 then 265 then
227 continue 266 continue
228 fi 267 fi
229 fi 268 fi
230 269
232 then 271 then
233 if [ -n "${EPATCH_SINGLE_MSG}" ] 272 if [ -n "${EPATCH_SINGLE_MSG}" ]
234 then 273 then
235 einfo "${EPATCH_SINGLE_MSG}" 274 einfo "${EPATCH_SINGLE_MSG}"
236 else 275 else
237 einfo "Applying ${x##*/}..." 276 einfo "Applying ${patchname} ..."
238 fi 277 fi
239 else 278 else
240 einfo " ${x##*/}..." 279 einfo " ${patchname} ..."
241 fi 280 fi
242 281
243 echo "***** ${x##*/} *****" > ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 282 echo "***** ${patchname} *****" > ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
244 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 283 echo >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
245 284
246 # Allow for prefix to differ ... im lazy, so shoot me :/ 285 # Allow for prefix to differ ... im lazy, so shoot me :/
247 while [ "${count}" -lt 5 ] 286 while [ "${count}" -lt 5 ]
248 do 287 do
249 # Generate some useful debug info ... 288 # Generate some useful debug info ...
250 draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 289 draw_line "***** ${patchname} *****" >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
251 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 290 echo >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
252 291
253 if [ "${PATCH_SUFFIX}" != "patch" ] 292 if [ "${PATCH_SUFFIX}" != "patch" ]
254 then 293 then
255 echo -n "PIPE_COMMAND: " >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 294 echo -n "PIPE_COMMAND: " >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
256 echo "${PIPE_CMD} ${x} > ${PATCH_TARGET}" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 295 echo "${PIPE_CMD} ${x} > ${PATCH_TARGET}" >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
257 else 296 else
258 PATCH_TARGET="${x}" 297 PATCH_TARGET="${x}"
259 fi 298 fi
260 299
261 echo -n "PATCH COMMAND: " >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 300 echo -n "PATCH COMMAND: " >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
262 echo "patch ${popts} -p${count} < ${PATCH_TARGET}" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 301 echo "patch -p${count} ${popts} < ${PATCH_TARGET}" >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
263 302
264 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 303 echo >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
265 draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 304 draw_line "***** ${patchname} *****" >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
266 305
267 if [ "${PATCH_SUFFIX}" != "patch" ] 306 if [ "${PATCH_SUFFIX}" != "patch" ]
268 then 307 then
269 if ! (${PIPE_CMD} ${x} > ${PATCH_TARGET}) >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 2>&1 308 if ! (${PIPE_CMD} ${x} > ${PATCH_TARGET}) >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/} 2>&1
270 then 309 then
271 echo 310 echo
272 eerror "Could not extract patch!" 311 eerror "Could not extract patch!"
273 #die "Could not extract patch!" 312 #die "Could not extract patch!"
274 count=5 313 count=5
275 break 314 break
276 fi 315 fi
277 fi 316 fi
278 317
279 if (cat ${PATCH_TARGET} | patch ${popts} --dry-run -f -p${count}) >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 2>&1 318 if (cat ${PATCH_TARGET} | patch -p${count} ${popts} --dry-run -f) >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/} 2>&1
280 then 319 then
281 draw_line "***** ${x##*/} *****" > ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real 320 draw_line "***** ${patchname} *****" > ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}.real
282 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real 321 echo >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}.real
283 echo "ACTUALLY APPLYING ${x##*/}..." >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real 322 echo "ACTUALLY APPLYING ${patchname} ..." >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}.real
284 echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real 323 echo >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}.real
285 draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real 324 draw_line "***** ${patchname} *****" >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}.real
286 325
287 cat ${PATCH_TARGET} | patch ${popts} -p${count} >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real 2>&1 326 cat ${PATCH_TARGET} | patch -p${count} ${popts} >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}.real 2>&1
288 327
289 if [ "$?" -ne 0 ] 328 if [ "$?" -ne 0 ]
290 then 329 then
291 cat ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 330 cat ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}.real >> ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
292 echo 331 echo
293 eerror "A dry-run of patch command succeeded, but actually" 332 eerror "A dry-run of patch command succeeded, but actually"
294 eerror "applying the patch failed!" 333 eerror "applying the patch failed!"
295 #die "Real world sux compared to the dreamworld!" 334 #die "Real world sux compared to the dreamworld!"
296 count=5 335 count=5
297 fi 336 fi
298 337
299 rm -f ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real 338 rm -f ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}.real
300 339
301 break 340 break
302 fi 341 fi
303 342
304 count=$((count + 1)) 343 count=$((count + 1))
310 fi 349 fi
311 350
312 if [ "${count}" -eq 5 ] 351 if [ "${count}" -eq 5 ]
313 then 352 then
314 echo 353 echo
315 eerror "Failed Patch: ${x##*/}!" 354 eerror "Failed Patch: ${patchname} !"
355 eerror " ( ${PATCH_TARGET} )"
316 eerror 356 eerror
317 eerror "Include in your bugreport the contents of:" 357 eerror "Include in your bugreport the contents of:"
318 eerror 358 eerror
319 eerror " ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}" 359 eerror " ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}"
320 echo 360 echo
321 die "Failed Patch: ${x##*/}!" 361 die "Failed Patch: ${patchname}!"
322 fi 362 fi
323 363
324 rm -f ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 364 rm -f ${STDERR_TARGET%/*}/${patchname}-${STDERR_TARGET##*/}
325 365
326 eend 0 366 eend 0
327 fi 367 fi
328 done 368 done
329 if [ "${SINGLE_PATCH}" = "no" ] 369 if [ "${SINGLE_PATCH}" = "no" ]
330 then 370 then
331 einfo "Done with patching" 371 einfo "Done with patching"
332 fi 372 fi
333} 373}
334 374
335# This function return true if we are using the NPTL pthreads 375# Cheap replacement for when debianutils (and thus mktemp)
336# implementation. 376# does not exist on the users system
377# vapier@gentoo.org
337# 378#
338# <azarah@gentoo.org> (06 March 2003) 379# Takes just 1 optional parameter (the directory to create tmpfile in)
339# 380emktemp() {
381 local exe="touch"
382 [ "$1" == "-d" ] && exe="mkdir" && shift
383 local topdir="$1"
340 384
341have_NPTL() { 385 if [ -z "${topdir}" ]
342
343 cat > ${T}/test-nptl.c <<-"END"
344 #define _XOPEN_SOURCE
345 #include <unistd.h>
346 #include <stdio.h>
347
348 int main()
349 {
350 char buf[255];
351 char *str = buf;
352
353 confstr(_CS_GNU_LIBPTHREAD_VERSION, str, 255);
354 if (NULL != str) {
355 printf("%s\n", str);
356 if (NULL != strstr(str, "NPTL"))
357 return 0;
358 }
359
360 return 1;
361 }
362 END
363
364 einfon "Checking for _CS_GNU_LIBPTHREAD_VERSION support in glibc ... "
365 if gcc -o ${T}/nptl ${T}/test-nptl.c &> /dev/null
366 then 386 then
367 echo "yes" 387 [ -z "${T}" ] \
368 einfon "Checking what PTHREADS implementation we have ... " 388 && topdir="/tmp" \
369 if ${T}/nptl 389 || topdir="${T}"
390 fi
391
392 if [ -z "$(type -p mktemp)" ]
393 then
394 local tmp=/
395 while [ -e "${tmp}" ] ; do
396 tmp="${topdir}/tmp.${RANDOM}.${RANDOM}.${RANDOM}"
397 done
398 ${exe} "${tmp}"
399 echo "${tmp}"
400 else
401 [ "${exe}" == "touch" ] \
402 && exe="-p" \
403 || exe="-d"
404 mktemp ${exe} "${topdir}"
405 fi
406}
407
408# Small wrapper for getent (Linux), nidump (Mac OS X),
409# and pw (FreeBSD) used in enewuser()/enewgroup()
410# Joe Jezak <josejx@gmail.com> and usata@gentoo.org
411# FBSD stuff: Aaron Walker <ka0ttic@gentoo.org>
412#
413# egetent(database, key)
414egetent() {
415 if [[ "${USERLAND}" == "Darwin" ]] ; then
416 case "$2" in
417 *[!0-9]*) # Non numeric
418 nidump $1 . | awk -F":" "{ if (\$1 ~ /^$2$/) {print \$0;exit;} }"
419 ;;
420 *) # Numeric
421 nidump $1 . | awk -F":" "{ if (\$3 == $2) {print \$0;exit;} }"
422 ;;
423 esac
424 elif [[ "${USERLAND}" == "BSD" ]] ; then
425 local action
426 if [ "$1" == "passwd" ]
370 then 427 then
371 return 0 428 action="user"
372 else 429 else
373 return 1 430 action="group"
374 fi
375 else
376 echo "no"
377 fi 431 fi
378 432 pw show "${action}" "$2" -q
379 return 1
380}
381
382# This function check how many cpu's are present, and then set
383# -j in MAKEOPTS accordingly.
384#
385# Thanks to nall <nall@gentoo.org> for this.
386#
387get_number_of_jobs() {
388 local jobs=0
389
390 if [ ! -r /proc/cpuinfo ]
391 then
392 return 1
393 fi
394
395 # This bit is from H?kan Wessberg <nacka-gentoo@refug.org>, bug #13565.
396 if [ "`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf | wc -l`" -gt 0 ]
397 then
398 ADMINOPTS="`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf | cut -d= -f2 | sed 's/\"//g'`"
399 ADMINPARAM="`echo ${ADMINOPTS} | gawk '{match($0, /-j *[0-9]*/, opt); print opt[0]}'`"
400 ADMINPARAM="${ADMINPARAM/-j}"
401 fi
402
403 export MAKEOPTS="`echo ${MAKEOPTS} | sed -e 's:-j *[0-9]*::g'`"
404
405 if [ "${ARCH}" = "x86" -o "${ARCH}" = "hppa" -o \
406 "${ARCH}" = "arm" -o "${ARCH}" = "mips" ]
407 then
408 # these archs will always have "[Pp]rocessor"
409 jobs="$((`grep -c ^[Pp]rocessor /proc/cpuinfo` * 2))"
410
411 elif [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ]
412 then
413 # sparc always has "ncpus active"
414 jobs="$((`grep "^ncpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
415
416 elif [ "${ARCH}" = "alpha" ]
417 then
418 # alpha has "cpus active", but only when compiled with SMP
419 if [ "`grep -c "^cpus active" /proc/cpuinfo`" -eq 1 ]
420 then
421 jobs="$((`grep "^cpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
422 else 433 else
423 jobs=2 434 which nscd >& /dev/null && nscd -i "$1"
424 fi 435 getent "$1" "$2"
425
426 elif [ "${ARCH}" = "ppc" ]
427 then
428 # ppc has "processor", but only when compiled with SMP
429 if [ "`grep -c "^processor" /proc/cpuinfo`" -eq 1 ]
430 then
431 jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
432 else
433 jobs=2
434 fi
435 else
436 jobs="$((`grep -c ^cpu /proc/cpuinfo` * 2))"
437 die "Unknown ARCH -- ${ARCH}!"
438 fi
439
440 # Make sure the number is valid ...
441 if [ "${jobs}" -lt 1 ]
442 then
443 jobs=1
444 fi
445
446 if [ -n "${ADMINPARAM}" ]
447 then
448 if [ "${jobs}" -gt "${ADMINPARAM}" ]
449 then
450 einfo "Setting make jobs to \"-j${ADMINPARAM}\" to ensure successful merge..."
451 export MAKEOPTS="${MAKEOPTS} -j${ADMINPARAM}"
452 else
453 einfo "Setting make jobs to \"-j${jobs}\" to ensure successful merge..."
454 export MAKEOPTS="${MAKEOPTS} -j${jobs}"
455 fi
456 fi 436 fi
457} 437}
458 438
459# Simplify/standardize adding users to the system 439# Simplify/standardize adding users to the system
460# vapier@gentoo.org 440# vapier@gentoo.org
469# homedir: /dev/null 449# homedir: /dev/null
470# groups: none 450# groups: none
471# extra: comment of 'added by portage for ${PN}' 451# extra: comment of 'added by portage for ${PN}'
472enewuser() { 452enewuser() {
473 # get the username 453 # get the username
474 local euser="$1"; shift 454 local euser=$1; shift
475 if [ -z "${euser}" ] ; then 455 if [[ -z ${euser} ]] ; then
476 eerror "No username specified !" 456 eerror "No username specified !"
477 die "Cannot call enewuser without a username" 457 die "Cannot call enewuser without a username"
478 fi 458 fi
459
460 # lets see if the username already exists
461 if [[ ${euser} == $(egetent passwd "${euser}" | cut -d: -f1) ]] ; then
462 return 0
463 fi
479 einfo "Adding user '${euser}' to your system ..." 464 einfo "Adding user '${euser}' to your system ..."
480 465
481 # setup a file for testing usernames/groups
482 local tmpfile="`mktemp -p ${T}`"
483 touch ${tmpfile}
484 chown ${euser} ${tmpfile} >& /dev/null
485 local realuser="`ls -l ${tmpfile} | awk '{print $3}'`"
486
487 # see if user already exists
488 if [ "${euser}" == "${realuser}" ] ; then
489 einfo "${euser} already exists on your system :)"
490 return 0
491 fi
492
493 # options to pass to useradd 466 # options to pass to useradd
494 local opts="" 467 local opts=
495 468
496 # handle uid 469 # handle uid
497 local euid="$1"; shift 470 local euid=$1; shift
498 if [ ! -z "${euid}" ] && [ "${euid}" != "-1" ] ; then 471 if [[ ! -z ${euid} ]] && [[ ${euid} != "-1" ]] ; then
499 if [ ${euid} -gt 0 ] ; then 472 if [[ ${euid} -gt 0 ]] ; then
500 opts="${opts} -u ${euid}" 473 if [[ ! -z $(egetent passwd ${euid}) ]] ; then
474 euid="next"
475 fi
501 else 476 else
502 eerror "Userid given but is not greater than 0 !" 477 eerror "Userid given but is not greater than 0 !"
503 die "${euid} is not a valid UID" 478 die "${euid} is not a valid UID"
504 fi 479 fi
505 else 480 else
506 euid="next available" 481 euid="next"
482 fi
483 if [[ ${euid} == "next" ]] ; then
484 local pwrange
485 if [[ ${USERLAND} == "BSD" ]] ; then
486 pwrange=$(jot 898 101)
487 else
488 pwrange=$(seq 101 999)
507 fi 489 fi
490 for euid in ${pwrange} ; do
491 [[ -z $(egetent passwd ${euid}) ]] && break
492 done
493 fi
494 opts="${opts} -u ${euid}"
508 einfo " - Userid: ${euid}" 495 einfo " - Userid: ${euid}"
509 496
510 # handle shell 497 # handle shell
511 local eshell="$1"; shift 498 local eshell=$1; shift
512 if [ ! -z "${eshell}" ] ; then 499 if [[ ! -z ${eshell} ]] && [[ ${eshell} != "-1" ]] ; then
513 if [ ! -e ${eshell} ] ; then 500 if [[ ! -e ${eshell} ]] ; then
514 eerror "A shell was specified but it does not exist !" 501 eerror "A shell was specified but it does not exist !"
515 die "${eshell} does not exist" 502 die "${eshell} does not exist"
516 fi 503 fi
517 else 504 else
518 eshell=/bin/false 505 case ${USERLAND} in
506 Darwin) eshell="/usr/bin/false";;
507 BSD) eshell="/usr/sbin/nologin";;
508 *) eshell="/bin/false";;
509 esac
519 fi 510 fi
520 einfo " - Shell: ${eshell}" 511 einfo " - Shell: ${eshell}"
521 opts="${opts} -s ${eshell}" 512 opts="${opts} -s ${eshell}"
522 513
523 # handle homedir 514 # handle homedir
524 local ehome="$1"; shift 515 local ehome=$1; shift
525 if [ -z "${ehome}" ] ; then 516 if [[ -z ${ehome} ]] || [[ ${ehome} == "-1" ]] ; then
526 ehome=/dev/null 517 ehome="/dev/null"
527 fi 518 fi
528 einfo " - Home: ${ehome}" 519 einfo " - Home: ${ehome}"
529 opts="${opts} -d ${ehome}" 520 opts="${opts} -d ${ehome}"
530 521
531 # handle groups 522 # handle groups
532 local egroups="$1"; shift 523 local egroups=$1; shift
533 if [ ! -z "${egroups}" ] ; then 524 if [[ ! -z ${egroups} ]] ; then
534 local realgroup
535 local oldifs="${IFS}" 525 local oldifs=${IFS}
526 local defgroup="" exgroups=""
527
536 export IFS="," 528 export IFS=","
537 for g in ${egroups} ; do 529 for g in ${egroups} ; do
538 chgrp ${g} ${tmpfile} >& /dev/null 530 export IFS=${oldifs}
539 realgroup="`ls -l ${tmpfile} | awk '{print $4}'`" 531 if [[ -z $(egetent group "${g}") ]] ; then
540 if [ "${g}" != "${realgroup}" ] ; then
541 eerror "You must add ${g} to the system first" 532 eerror "You must add group ${g} to the system first"
542 die "${g} is not a valid GID" 533 die "${g} is not a valid GID"
543 fi 534 fi
535 if [[ -z ${defgroup} ]] ; then
536 defgroup=${g}
537 else
538 exgroups="${exgroups},${g}"
539 fi
540 export IFS=","
544 done 541 done
545 export IFS="${oldifs}" 542 export IFS=${oldifs}
543
546 opts="${opts} -g ${egroups}" 544 opts="${opts} -g ${defgroup}"
545 if [[ ! -z ${exgroups} ]] ; then
546 opts="${opts} -G ${exgroups:1}"
547 fi
547 else 548 else
548 egroups="(none)" 549 egroups="(none)"
549 fi 550 fi
550 einfo " - Groups: ${egroups}" 551 einfo " - Groups: ${egroups}"
551 552
552 # handle extra and add the user 553 # handle extra and add the user
553 local eextra="$@" 554 local oldsandbox=${SANDBOX_ON}
554 local oldsandbox="${oldsandbox}"
555 export SANDBOX_ON="0" 555 export SANDBOX_ON="0"
556 if [ -z "${eextra}" ] ; then 556 case ${USERLAND} in
557 useradd ${opts} ${euser} \ 557 Darwin)
558 ### Make the user
559 if [[ -z $@ ]] ; then
560 dscl . create /users/${euser} uid ${euid}
561 dscl . create /users/${euser} shell ${eshell}
562 dscl . create /users/${euser} home ${ehome}
563 dscl . create /users/${euser} realname "added by portage for ${PN}"
564 ### Add the user to the groups specified
565 local oldifs=${IFS}
566 export IFS=","
567 for g in ${egroups} ; do
568 dscl . merge /groups/${g} users ${euser}
569 done
570 export IFS=${oldifs}
571 else
572 einfo "Extra options are not supported on Darwin yet"
573 einfo "Please report the ebuild along with the info below"
574 einfo "eextra: $@"
575 die "Required function missing"
576 fi
577 ;;
578 BSD)
579 if [[ -z $@ ]] ; then
580 pw useradd ${euser} ${opts} \
558 -c "added by portage for ${PN}" \ 581 -c "added by portage for ${PN}" \
582 die "enewuser failed"
583 else
584 einfo " - Extra: $@"
585 pw useradd ${euser} ${opts} \
586 "$@" || die "enewuser failed"
587 fi
588 ;;
589 *)
590 if [[ -z $@ ]] ; then
591 useradd ${opts} ${euser} \
592 -c "added by portage for ${PN}" \
559 || die "enewuser failed" 593 || die "enewuser failed"
560 else 594 else
561 einfo " - Extra: ${eextra}" 595 einfo " - Extra: $@"
562 useradd ${opts} ${euser} ${eextra} \ 596 useradd ${opts} ${euser} "$@" \
563 || die "enewuser failed" 597 || die "enewuser failed"
564 fi 598 fi
599 ;;
600 esac
565 export SANDBOX_ON="${oldsandbox}" 601 export SANDBOX_ON=${oldsandbox}
566 602
567 if [ ! -e ${ehome} ] && [ ! -e ${D}/${ehome} ] ; then 603 if [ ! -e "${ehome}" ] && [ ! -e "${D}/${ehome}" ]
604 then
568 einfo " - Creating ${ehome} in ${D}" 605 einfo " - Creating ${ehome} in ${D}"
569 dodir ${ehome} 606 dodir ${ehome}
570 fperms ${euser} ${ehome} 607 fowners ${euser} ${ehome}
608 fperms 755 ${ehome}
571 fi 609 fi
572} 610}
573 611
574# Simplify/standardize adding groups to the system 612# Simplify/standardize adding groups to the system
575# vapier@gentoo.org 613# vapier@gentoo.org
581# gid: next available (see groupadd(8)) 619# gid: next available (see groupadd(8))
582# extra: none 620# extra: none
583enewgroup() { 621enewgroup() {
584 # get the group 622 # get the group
585 local egroup="$1"; shift 623 local egroup="$1"; shift
586 if [ -z "${egroup}" ] ; then 624 if [ -z "${egroup}" ]
625 then
587 eerror "No group specified !" 626 eerror "No group specified !"
588 die "Cannot call enewgroup without a group" 627 die "Cannot call enewgroup without a group"
589 fi 628 fi
629
630 # see if group already exists
631 if [ "${egroup}" == "`egetent group \"${egroup}\" | cut -d: -f1`" ]
632 then
633 return 0
634 fi
590 einfo "Adding group '${egroup}' to your system ..." 635 einfo "Adding group '${egroup}' to your system ..."
591 636
592 # setup a file for testing groupname
593 local tmpfile="`mktemp -p ${T}`"
594 touch ${tmpfile}
595 chgrp ${egroup} ${tmpfile} >& /dev/null
596 local realgroup="`ls -l ${tmpfile} | awk '{print $4}'`"
597
598 # see if group already exists
599 if [ "${egroup}" == "${realgroup}" ] ; then
600 einfo "${egroup} already exists on your system :)"
601 return 0
602 fi
603
604 # options to pass to useradd 637 # options to pass to useradd
605 local opts="" 638 local opts=
606 639
607 # handle gid 640 # handle gid
608 local egid="$1"; shift 641 local egid="$1"; shift
609 if [ ! -z "${egid}" ] ; then 642 if [ ! -z "${egid}" ]
643 then
610 if [ ${egid} -gt 0 ] ; then 644 if [ "${egid}" -gt 0 ]
645 then
646 if [ -z "`egetent group ${egid}`" ]
647 then
648 if [[ "${USERLAND}" == "Darwin" ]]; then
649 opts="${opts} ${egid}"
650 else
611 opts="${opts} -g ${egid}" 651 opts="${opts} -g ${egid}"
652 fi
653 else
654 egid="next available; requested gid taken"
655 fi
612 else 656 else
613 eerror "Groupid given but is not greater than 0 !" 657 eerror "Groupid given but is not greater than 0 !"
614 die "${egid} is not a valid GID" 658 die "${egid} is not a valid GID"
615 fi 659 fi
616 else 660 else
621 # handle extra 665 # handle extra
622 local eextra="$@" 666 local eextra="$@"
623 opts="${opts} ${eextra}" 667 opts="${opts} ${eextra}"
624 668
625 # add the group 669 # add the group
626 local oldsandbox="${oldsandbox}" 670 local oldsandbox="${SANDBOX_ON}"
627 export SANDBOX_ON="0" 671 export SANDBOX_ON="0"
672 if [[ "${USERLAND}" == "Darwin" ]]; then
673 if [ ! -z "${eextra}" ];
674 then
675 einfo "Extra options are not supported on Darwin/OS X yet"
676 einfo "Please report the ebuild along with the info below"
677 einfo "eextra: ${eextra}"
678 die "Required function missing"
679 fi
680
681 # If we need the next available
682 case ${egid} in
683 *[!0-9]*) # Non numeric
684 for egid in `jot 898 101`; do
685 [ -z "`egetent group ${egid}`" ] && break
686 done
687 esac
688 dscl . create /groups/${egroup} gid ${egid}
689 dscl . create /groups/${egroup} passwd '*'
690 elif [[ "${USERLAND}" == "BSD" ]] ; then
691 case ${egid} in
692 *[!0-9]*) # Non numeric
693 for egid in `jot 898 101`; do
694 [ -z "`egetent group ${egid}`" ] && break
695 done
696 esac
697 pw groupadd ${egroup} -g ${egid} || die "enewgroup failed"
698 else
628 groupadd ${opts} ${egroup} || die "enewgroup failed" 699 groupadd ${opts} ${egroup} || die "enewgroup failed"
700 fi
629 export SANDBOX_ON="${oldsandbox}" 701 export SANDBOX_ON="${oldsandbox}"
630} 702}
631 703
632# Simple script to replace 'dos2unix' binaries 704# Simple script to replace 'dos2unix' binaries
633# vapier@gentoo.org 705# vapier@gentoo.org
634# 706#
635# edos2unix(file, <more files>...) 707# edos2unix(file, <more files> ...)
636edos2unix() { 708edos2unix() {
637 for f in $@ ; do 709 for f in "$@"
710 do
638 cp ${f} ${T}/edos2unix 711 cp "${f}" ${T}/edos2unix
639 rm -f ${f}
640 sed 's/\r$//' ${T}/edos2unix > ${f} 712 sed 's/\r$//' ${T}/edos2unix > "${f}"
641 rm -f ${T}/edos2unix
642 done 713 done
643} 714}
644 715
645# new convinience patch wapper function to eventually replace epatch(), $PATCHES, $PATCHES1, src_unpack:patch, src_unpack:autopatch and /usr/bin/patch
646# Features:
647# - bulk patch handling similar to epatch()'s
648# - automatic patch level detection like epatch()'s
649# - semiautomatic patch uncompression like epatch()'s (may switch to using /usr/bin/file for extra power, instead of just looking at the filename)
650# - doesn't have the --dry-run overhead of epatch() - inspects patchfiles manually instead
651# - is called from base_src_unpack to handle $PATCHES to avoid defining src_unpack(-) just to use xpatch
652 716
653# accepts zero or more parameters specifying patchfiles and/or patchdirs 717##############################################################
718# START: Handle .desktop files and menu entries #
719# maybe this should be separated into a new eclass some time #
720# lanius@gentoo.org #
721##############################################################
654 722
655# known issues: 723# Make a desktop file !
656# - only supports unified style patches (does anyone _really_ use anything else?) 724# Great for making those icons in kde/gnome startmenu !
657# - first file addressed in a patch can't have spaces in its name or in the path mentioned in the patchfile 725# Amaze your friends ! Get the women ! Join today !
658# (can be easily fixed to be: at least one file addressed in the patch must have no spaces...) 726#
659xpatch() { 727# make_desktop_entry(<binary>, [name], [icon], [type], [path])
728#
729# binary: what binary does the app run with ?
730# name: the name that will show up in the menu
731# icon: give your little like a pretty little icon ...
732# this can be relative (to /usr/share/pixmaps) or
733# a full path to an icon
734# type: what kind of application is this ? for categories:
735# http://www.freedesktop.org/wiki/Standards_2fmenu_2dspec
736# path: if your app needs to startup in a specific dir
737make_desktop_entry() {
738 [[ -z $1 ]] && eerror "make_desktop_entry: You must specify the executable" && return 1
660 739
661 debug-print-function $FUNCNAME $* 740 local exec=${1}
741 local name=${2:-${PN}}
742 local icon=${3:-${PN}.png}
743 local type=${4}
744 local path=${5}
662 745
663 local list="" 746 if [[ -z ${type} ]] ; then
664 local list2="" 747 local catmaj=${CATEGORY%%-*}
665 declare -i plevel 748 local catmin=${CATEGORY##*-}
749 case ${catmaj} in
750 app)
751 case ${catmin} in
752 admin) type=System;;
753 cdr) type=DiscBurning;;
754 dicts) type=Dictionary;;
755 editors) type=TextEditor;;
756 emacs) type=TextEditor;;
757 emulation) type=Emulator;;
758 laptop) type=HardwareSettings;;
759 office) type=Office;;
760 vim) type=TextEditor;;
761 xemacs) type=TextEditor;;
762 *) type=;;
763 esac
764 ;;
666 765
667 # parse patch sources 766 dev)
767 type="Development"
768 ;;
769
770 games)
771 [[ -z ${path} ]] && path=${GAMES_BINDIR}
772
773 case ${catmin} in
774 action) type=ActionGame;;
775 arcade) type=ArcadeGame;;
776 board) type=BoardGame;;
777 kid) type=KidsGame;;
778 emulation) type=Emulator;;
779 puzzle) type=LogicGame;;
780 rpg) type=RolePlaying;;
781 roguelike) type=RolePlaying;;
782 simulation) type=Simulation;;
783 sports) type=SportsGame;;
784 strategy) type=StrategyGame;;
785 *) type=;;
786 esac
787 type="Game;${type}"
788 ;;
789
790 mail)
791 type="Network;Email"
792 ;;
793
794 media)
795 case ${catmin} in
796 gfx) type=Graphics;;
797 radio) type=Tuner;;
798 sound) type=Audio;;
799 tv) type=TV;;
800 video) type=Video;;
801 *) type=;;
802 esac
803 type="AudioVideo;${type}"
804 ;;
805
806 net)
807 case ${catmin} in
808 dialup) type=Dialup;;
809 ftp) type=FileTransfer;;
810 im) type=InstantMessaging;;
811 irc) type=IRCClient;;
812 mail) type=Email;;
813 news) type=News;;
814 nntp) type=News;;
815 p2p) type=FileTransfer;;
816 *) type=;;
817 esac
818 type="Network;${type}"
819 ;;
820
821 sci)
822 case ${catmin} in
823 astro*) type=Astronomoy;;
824 bio*) type=Biology;;
825 calc*) type=Calculator;;
826 chem*) type=Chemistry;;
827 geo*) type=Geology;;
828 math*) type=Math;;
829 *) type=;;
830 esac
831 type="Science;${type}"
832 ;;
833
834 www)
835 case ${catmin} in
836 client) type=WebBrowser;;
837 *) type=;;
838 esac
839 type="Network"
840 ;;
841
842 *)
843 type=
844 ;;
845 esac
846 fi
847 if [ "${SLOT}" == "0" ] ; then
848 local desktop_name="${PN}"
849 else
850 local desktop_name="${PN}-${SLOT}"
851 fi
852 local desktop=${T}/${exec%% *}-${desktop_name}.desktop
853
854echo "[Desktop Entry]
855Encoding=UTF-8
856Version=0.9.2
857Name=${name}
858Type=Application
859Comment=${DESCRIPTION}
860Exec=${exec}
861Path=${path}
862Icon=${icon}
863Categories=Application;${type};" > "${desktop}"
864
865 insinto /usr/share/applications
866 doins "${desktop}"
867
868 return 0
869}
870
871# Make a GDM/KDM Session file
872#
873# make_desktop_entry(<title>, <command>)
874# title: File to execute to start the Window Manager
875# command: Name of the Window Manager
876
877make_session_desktop() {
878 [[ -z $1 ]] && eerror "make_session_desktop: You must specify the title" && return 1
879 [[ -z $2 ]] && eerror "make_session_desktop: You must specify the command" && return 1
880
881 local title=$1
882 local command=$2
883 local desktop=${T}/${wm}.desktop
884
885echo "[Desktop Entry]
886Encoding=UTF-8
887Name=${title}
888Comment=This session logs you into ${title}
889Exec=${command}
890TryExec=${command}
891Type=Application" > "${desktop}"
892
893 insinto /usr/share/xsessions
894 doins "${desktop}"
895}
896
897domenu() {
898 local i j
899 insinto /usr/share/applications
668 for x in $*; do 900 for i in "$@" ; do
669 debug-print "$FUNCNAME: parsing parameter $x"
670 if [ -f "$x" ]; then 901 if [[ -f ${i} ]] ; then
671 list="$list $x" 902 doins "${i}"
903 elif [[ -d ${i} ]] ; then
904 for j in "${i}"/*.desktop ; do
905 doins "${j}"
906 done
907 fi
908 done
909}
910newmenu() {
911 insinto /usr/share/applications
912 newins "$1" "$2"
913}
914
915doicon() {
916 local i j
917 insinto /usr/share/pixmaps
918 for i in "$@" ; do
919 if [[ -f ${i} ]] ; then
920 doins "${i}"
921 elif [[ -d ${i} ]] ; then
922 for j in "${i}"/*.png ; do
923 doins "${j}"
924 done
925 fi
926 done
927}
928newicon() {
929 insinto /usr/share/pixmaps
930 newins "$1" "$2"
931}
932
933##############################################################
934# END: Handle .desktop files and menu entries #
935##############################################################
936
937
938# for internal use only (unpack_pdv and unpack_makeself)
939find_unpackable_file() {
940 local src="$1"
941 if [ -z "${src}" ]
942 then
943 src="${DISTDIR}/${A}"
944 else
945 if [ -e "${DISTDIR}/${src}" ]
946 then
947 src="${DISTDIR}/${src}"
948 elif [ -e "${PWD}/${src}" ]
949 then
950 src="${PWD}/${src}"
951 elif [ -e "${src}" ]
952 then
953 src="${src}"
954 fi
955 fi
956 [ ! -e "${src}" ] && die "Could not find requested archive ${src}"
957 echo "${src}"
958}
959
960# Unpack those pesky pdv generated files ...
961# They're self-unpacking programs with the binary package stuffed in
962# the middle of the archive. Valve seems to use it a lot ... too bad
963# it seems to like to segfault a lot :(. So lets take it apart ourselves.
964#
965# Usage: unpack_pdv [file to unpack] [size of off_t]
966# - you have to specify the off_t size ... i have no idea how to extract that
967# information out of the binary executable myself. basically you pass in
968# the size of the off_t type (in bytes) on the machine that built the pdv
969# archive. one way to determine this is by running the following commands:
970# strings <pdv archive> | grep lseek
971# strace -elseek <pdv archive>
972# basically look for the first lseek command (we do the strings/grep because
973# sometimes the function call is _llseek or something) and steal the 2nd
974# parameter. here is an example:
975# root@vapier 0 pdv_unpack # strings hldsupdatetool.bin | grep lseek
976# lseek
977# root@vapier 0 pdv_unpack # strace -elseek ./hldsupdatetool.bin
978# lseek(3, -4, SEEK_END) = 2981250
979# thus we would pass in the value of '4' as the second parameter.
980unpack_pdv() {
981 local src="`find_unpackable_file $1`"
982 local sizeoff_t="$2"
983
984 [ -z "${sizeoff_t}" ] && die "No idea what off_t size was used for this pdv :("
985
986 local shrtsrc="`basename ${src}`"
987 echo ">>> Unpacking ${shrtsrc} to ${PWD}"
988 local metaskip=`tail -c ${sizeoff_t} ${src} | hexdump -e \"%i\"`
989 local tailskip=`tail -c $((${sizeoff_t}*2)) ${src} | head -c ${sizeoff_t} | hexdump -e \"%i\"`
990
991 # grab metadata for debug reasons
992 local metafile="$(emktemp)"
993 tail -c +$((${metaskip}+1)) ${src} > ${metafile}
994
995 # rip out the final file name from the metadata
996 local datafile="`tail -c +$((${metaskip}+1)) ${src} | strings | head -n 1`"
997 datafile="`basename ${datafile}`"
998
999 # now lets uncompress/untar the file if need be
1000 local tmpfile="$(emktemp)"
1001 tail -c +$((${tailskip}+1)) ${src} 2>/dev/null | head -c 512 > ${tmpfile}
1002
1003 local iscompressed="`file -b ${tmpfile}`"
1004 if [ "${iscompressed:0:8}" == "compress" ] ; then
1005 iscompressed=1
1006 mv ${tmpfile}{,.Z}
1007 gunzip ${tmpfile}
1008 else
1009 iscompressed=0
1010 fi
1011 local istar="`file -b ${tmpfile}`"
1012 if [ "${istar:0:9}" == "POSIX tar" ] ; then
1013 istar=1
1014 else
1015 istar=0
1016 fi
1017
1018 #for some reason gzip dies with this ... dd cant provide buffer fast enough ?
1019 #dd if=${src} ibs=${metaskip} count=1 \
1020 # | dd ibs=${tailskip} skip=1 \
1021 # | gzip -dc \
1022 # > ${datafile}
1023 if [ ${iscompressed} -eq 1 ] ; then
1024 if [ ${istar} -eq 1 ] ; then
1025 tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
1026 | head -c $((${metaskip}-${tailskip})) \
1027 | tar -xzf -
1028 else
1029 tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
1030 | head -c $((${metaskip}-${tailskip})) \
1031 | gzip -dc \
1032 > ${datafile}
1033 fi
1034 else
1035 if [ ${istar} -eq 1 ] ; then
1036 tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
1037 | head -c $((${metaskip}-${tailskip})) \
1038 | tar --no-same-owner -xf -
1039 else
1040 tail -c +$((${tailskip}+1)) ${src} 2>/dev/null \
1041 | head -c $((${metaskip}-${tailskip})) \
1042 > ${datafile}
1043 fi
1044 fi
1045 true
1046 #[ -s "${datafile}" ] || die "failure unpacking pdv ('${metaskip}' '${tailskip}' '${datafile}')"
1047 #assert "failure unpacking pdv ('${metaskip}' '${tailskip}' '${datafile}')"
1048}
1049
1050# Unpack those pesky makeself generated files ...
1051# They're shell scripts with the binary package tagged onto
1052# the end of the archive. Loki utilized the format as does
1053# many other game companies.
1054#
1055# Usage: unpack_makeself [file to unpack] [offset] [tail|dd]
1056# - If the file is not specified then unpack will utilize ${A}.
1057# - If the offset is not specified then we will attempt to extract
1058# the proper offset from the script itself.
1059unpack_makeself() {
1060 local src="$(find_unpackable_file "$1")"
1061 local skip="$2"
1062 local exe="$3"
1063
1064 local shrtsrc="$(basename "${src}")"
1065 echo ">>> Unpacking ${shrtsrc} to ${PWD}"
1066 if [ -z "${skip}" ]
1067 then
1068 local ver="`grep -a '#.*Makeself' ${src} | awk '{print $NF}'`"
1069 local skip=0
1070 exe=tail
1071 case ${ver} in
1072 1.5.*) # tested 1.5.{3,4,5} ... guessing 1.5.x series is same
1073 skip=$(grep -a ^skip= "${src}" | cut -d= -f2)
1074 ;;
1075 2.0|2.0.1)
1076 skip=$(grep -a ^$'\t'tail "${src}" | awk '{print $2}' | cut -b2-)
1077 ;;
1078 2.1.1)
1079 skip=$(grep -a ^offset= "${src}" | awk '{print $2}' | cut -b2-)
1080 let skip="skip + 1"
1081 ;;
1082 2.1.2)
1083 skip=$(grep -a ^offset= "${src}" | awk '{print $3}' | head -n 1)
1084 let skip="skip + 1"
1085 ;;
1086 2.1.3)
1087 skip=`grep -a ^offset= "${src}" | awk '{print $3}'`
1088 let skip="skip + 1"
1089 ;;
1090 2.1.4)
1091 skip=$(grep -a offset=.*head.*wc "${src}" | awk '{print $3}' | head -n 1)
1092 skip=$(head -n ${skip} "${src}" | wc -c)
1093 exe="dd"
1094 ;;
1095 *)
1096 eerror "I'm sorry, but I was unable to support the Makeself file."
1097 eerror "The version I detected was '${ver}'."
1098 eerror "Please file a bug about the file ${shrtsrc} at"
1099 eerror "http://bugs.gentoo.org/ so that support can be added."
1100 die "makeself version '${ver}' not supported"
1101 ;;
1102 esac
1103 debug-print "Detected Makeself version ${ver} ... using ${skip} as offset"
1104 fi
1105 case ${exe} in
1106 tail) exe="tail -n +${skip} '${src}'";;
1107 dd) exe="dd ibs=${skip} skip=1 obs=1024 conv=sync if='${src}'";;
1108 *) die "makeself cant handle exe '${exe}'"
1109 esac
1110
1111 # lets grab the first few bytes of the file to figure out what kind of archive it is
1112 local tmpfile="$(emktemp)"
1113 eval ${exe} 2>/dev/null | head -c 512 > "${tmpfile}"
1114 local filetype="$(file -b "${tmpfile}")"
1115 case ${filetype} in
1116 *tar\ archive)
1117 eval ${exe} | tar --no-same-owner -xf -
1118 ;;
1119 bzip2*)
1120 eval ${exe} | bzip2 -dc | tar --no-same-owner -xf -
1121 ;;
1122 gzip*)
1123 eval ${exe} | tar --no-same-owner -xzf -
1124 ;;
1125 compress*)
1126 eval ${exe} | gunzip | tar --no-same-owner -xf -
1127 ;;
1128 *)
1129 eerror "Unknown filetype \"${filetype}\" ?"
1130 false
1131 ;;
1132 esac
1133 assert "failure unpacking (${filetype}) makeself ${shrtsrc} ('${ver}' +${skip})"
1134}
1135
1136# Display a license for user to accept.
1137#
1138# Usage: check_license [license]
1139# - If the file is not specified then ${LICENSE} is used.
1140check_license() {
1141 local lic=$1
1142 if [ -z "${lic}" ] ; then
1143 lic="${PORTDIR}/licenses/${LICENSE}"
1144 else
1145 if [ -e "${PORTDIR}/licenses/${src}" ] ; then
1146 lic="${PORTDIR}/licenses/${src}"
1147 elif [ -e "${PWD}/${src}" ] ; then
1148 lic="${PWD}/${src}"
672 elif [ -d "$x" ]; then 1149 elif [ -e "${src}" ] ; then
673 # handles patchdirs like epatch() for now: no recursion. 1150 lic="${src}"
674 # patches are sorted by filename, so with an xy_foo naming scheme you'll get the right order. 1151 fi
675 # only patches with _$ARCH_ or _all_ in their filenames are applied. 1152 fi
676 for file in `ls -A $x`; do 1153 [ ! -f "${lic}" ] && die "Could not find requested license ${src}"
677 debug-print "$FUNCNAME: parsing in subdir: file $file" 1154 local l="`basename ${lic}`"
678 if [ -f "$x/$file" ] && [ "${file}" != "${file/_all_}" -o "${file}" != "${file/_$ARCH_}" ]; then 1155
679 list2="$list2 $x/$file" 1156 # here is where we check for the licenses the user already
1157 # accepted ... if we don't find a match, we make the user accept
1158 local shopts=$-
1159 local alic
1160 set -o noglob #so that bash doesn't expand "*"
1161 for alic in ${ACCEPT_LICENSE} ; do
1162 if [[ ${alic} == * || ${alic} == ${l} ]]; then
1163 set +o noglob; set -${shopts} #reset old shell opts
1164 return 0
1165 fi
1166 done
1167 set +o noglob; set -$shopts #reset old shell opts
1168
1169 local licmsg="$(emktemp)"
1170 cat << EOF > ${licmsg}
1171**********************************************************
1172The following license outlines the terms of use of this
1173package. You MUST accept this license for installation to
1174continue. When you are done viewing, hit 'q'. If you
1175CTRL+C out of this, the install will not run!
1176**********************************************************
1177
1178EOF
1179 cat ${lic} >> ${licmsg}
1180 ${PAGER:-less} ${licmsg} || die "Could not execute pager (${PAGER}) to accept ${lic}"
1181 einfon "Do you accept the terms of this license (${l})? [yes/no] "
1182 read alic
1183 case ${alic} in
1184 yes|Yes|y|Y)
1185 return 0
1186 ;;
1187 *)
1188 echo;echo;echo
1189 eerror "You MUST accept the license to continue! Exiting!"
1190 die "Failed to accept license"
1191 ;;
1192 esac
1193}
1194
1195# Aquire cd(s) for those lovely cd-based emerges. Yes, this violates
1196# the whole 'non-interactive' policy, but damnit I want CD support !
1197#
1198# with these cdrom functions we handle all the user interaction and
1199# standardize everything. all you have to do is call cdrom_get_cds()
1200# and when the function returns, you can assume that the cd has been
1201# found at CDROM_ROOT.
1202#
1203# normally the cdrom functions will refer to the cds as 'cd #1', 'cd #2',
1204# etc... if you want to give the cds better names, then just export
1205# the CDROM_NAME_X variables before calling cdrom_get_cds().
1206#
1207# for those multi cd ebuilds, see the cdrom_load_next_cd() below.
1208#
1209# Usage: cdrom_get_cds <file on cd1> [file on cd2] [file on cd3] [...]
1210# - this will attempt to locate a cd based upon a file that is on
1211# the cd ... the more files you give this function, the more cds
1212# the cdrom functions will handle
1213cdrom_get_cds() {
1214 # first we figure out how many cds we're dealing with by
1215 # the # of files they gave us
1216 local cdcnt=0
1217 local f=
1218 for f in "$@" ; do
1219 cdcnt=$((cdcnt + 1))
1220 export CDROM_CHECK_${cdcnt}="$f"
1221 done
1222 export CDROM_TOTAL_CDS=${cdcnt}
1223 export CDROM_CURRENT_CD=1
1224
1225 # now we see if the user gave use CD_ROOT ...
1226 # if they did, let's just believe them that it's correct
1227 if [[ ! -z ${CD_ROOT} ]] ; then
1228 export CDROM_ROOT=${CD_ROOT}
1229 einfo "Found CD #${CDROM_CURRENT_CD} root at ${CDROM_ROOT}"
1230 return
1231 fi
1232 # do the same for CD_ROOT_X
1233 if [[ ! -z ${CD_ROOT_1} ]] ; then
1234 local var=
1235 cdcnt=0
1236 while [[ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ]] ; do
1237 cdcnt=$((cdcnt + 1))
1238 var="CD_ROOT_${cdcnt}"
1239 if [[ -z ${!var} ]] ; then
1240 eerror "You must either use just the CD_ROOT"
1241 eerror "or specify ALL the CD_ROOT_X variables."
1242 eerror "In this case, you will need ${CDROM_TOTAL_CDS} CD_ROOT_X variables."
1243 die "could not locate CD_ROOT_${cdcnt}"
1244 fi
1245 export CDROM_ROOTS_${cdcnt}="${!var}"
1246 done
1247 export CDROM_ROOT=${CDROM_ROOTS_1}
1248 einfo "Found CD #${CDROM_CURRENT_CD} root at ${CDROM_ROOT}"
1249 return
1250 fi
1251
1252 if [[ ${CDROM_TOTAL_CDS} -eq 1 ]] ; then
1253 einfon "This ebuild will need the "
1254 if [[ -z ${CDROM_NAME} ]] ; then
1255 echo "cdrom for ${PN}."
1256 else
1257 echo "${CDROM_NAME}."
1258 fi
1259 echo
1260 einfo "If you do not have the CD, but have the data files"
1261 einfo "mounted somewhere on your filesystem, just export"
1262 einfo "the variable CD_ROOT so that it points to the"
1263 einfo "directory containing the files."
1264 echo
1265 einfo "For example:"
1266 einfo "export CD_ROOT=/mnt/cdrom"
1267 echo
1268 else
1269 einfo "This package will need access to ${CDROM_TOTAL_CDS} cds."
1270 cdcnt=0
1271 while [[ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ]] ; do
1272 cdcnt=$((cdcnt + 1))
1273 var="CDROM_NAME_${cdcnt}"
1274 [[ ! -z ${!var} ]] && einfo " CD ${cdcnt}: ${!var}"
1275 done
1276 echo
1277 einfo "If you do not have the CDs, but have the data files"
1278 einfo "mounted somewhere on your filesystem, just export"
1279 einfo "the following variables so they point to the right place:"
1280 einfon ""
1281 cdcnt=0
1282 while [[ ${cdcnt} -lt ${CDROM_TOTAL_CDS} ]] ; do
1283 cdcnt=$((cdcnt + 1))
1284 echo -n " CD_ROOT_${cdcnt}"
1285 done
1286 echo
1287 einfo "Or, if you have all the files in the same place, or"
1288 einfo "you only have one cdrom, you can export CD_ROOT"
1289 einfo "and that place will be used as the same data source"
1290 einfo "for all the CDs."
1291 echo
1292 einfo "For example:"
1293 einfo "export CD_ROOT_1=/mnt/cdrom"
1294 echo
1295 fi
1296 export CDROM_CURRENT_CD=0
1297 cdrom_load_next_cd
1298}
1299
1300# this is only used when you need access to more than one cd.
1301# when you have finished using the first cd, just call this function.
1302# when it returns, CDROM_ROOT will be pointing to the second cd.
1303# remember, you can only go forward in the cd chain, you can't go back.
1304cdrom_load_next_cd() {
1305 export CDROM_CURRENT_CD=$((CDROM_CURRENT_CD + 1))
1306 local var=
1307
1308 if [[ ! -z ${CD_ROOT} ]] ; then
1309 einfo "Using same root as before for CD #${CDROM_CURRENT_CD}"
1310 return
1311 fi
1312
1313 unset CDROM_ROOT
1314 var=CDROM_ROOTS_${CDROM_CURRENT_CD}
1315 if [[ -z ${!var} ]] ; then
1316 var="CDROM_CHECK_${CDROM_CURRENT_CD}"
1317 cdrom_locate_file_on_cd ${!var}
1318 else
1319 export CDROM_ROOT=${!var}
1320 fi
1321
1322 einfo "Found CD #${CDROM_CURRENT_CD} root at ${CDROM_ROOT}"
1323}
1324
1325# this is used internally by the cdrom_get_cds() and cdrom_load_next_cd()
1326# functions. this should *never* be called from an ebuild.
1327# all it does is try to locate a give file on a cd ... if the cd isn't
1328# found, then a message asking for the user to insert the cdrom will be
1329# displayed and we'll hang out here until:
1330# (1) the file is found on a mounted cdrom
1331# (2) the user hits CTRL+C
1332cdrom_locate_file_on_cd() {
1333 while [[ -z ${CDROM_ROOT} ]] ; do
1334 local dir="$(dirname ${@})"
1335 local file="$(basename ${@})"
1336 local mline=""
1337 local showedmsg=0
1338
1339 for mline in $(mount | egrep -e '(iso|cdrom)' | awk '{print $3}') ; do
1340 [[ -d ${mline}/${dir} ]] || continue
1341 [[ ! -z $(find ${mline}/${dir} -maxdepth 1 -iname ${file}) ]] \
1342 && export CDROM_ROOT=${mline}
1343 done
1344
1345 if [[ -z ${CDROM_ROOT} ]] ; then
1346 echo
1347 if [[ ${showedmsg} -eq 0 ]] ; then
1348 if [[ ${CDROM_TOTAL_CDS} -eq 1 ]] ; then
1349 if [[ -z ${CDROM_NAME} ]] ; then
1350 einfo "Please insert the cdrom for ${PN} now !"
1351 else
1352 einfo "Please insert the ${CDROM_NAME} cdrom now !"
1353 fi
1354 else
1355 if [[ -z ${CDROM_NAME_1} ]] ; then
1356 einfo "Please insert cd #${CDROM_CURRENT_CD} for ${PN} now !"
1357 else
1358 local var="CDROM_NAME_${CDROM_CURRENT_CD}"
1359 einfo "Please insert+mount the ${!var} cdrom now !"
1360 fi
1361 fi
1362 showedmsg=1
1363 fi
1364 einfo "Press return to scan for the cd again"
1365 einfo "or hit CTRL+C to abort the emerge."
1366 read
1367 fi
1368 done
1369}
1370
1371# Make sure that LINGUAS only contains languages that
1372# a package can support
1373#
1374# usage: strip-linguas <allow LINGUAS>
1375# strip-linguas -i <directories of .po files>
1376# strip-linguas -u <directories of .po files>
1377#
1378# The first form allows you to specify a list of LINGUAS.
1379# The -i builds a list of po files found in all the
1380# directories and uses the intersection of the lists.
1381# The -u builds a list of po files found in all the
1382# directories and uses the union of the lists.
1383strip-linguas() {
1384 local ls newls
1385 if [[ $1 == "-i" ]] || [[ $1 == "-u" ]] ; then
1386 local op=$1; shift
1387 ls=" $(find "$1" -name '*.po' -printf '%f ') "; shift
1388 local d f
1389 for d in "$@" ; do
1390 if [[ ${op} == "-u" ]] ; then
1391 newls=${ls}
1392 else
1393 newls=""
1394 fi
1395 for f in $(find "$d" -name '*.po' -printf '%f ') ; do
1396 if [[ ${op} == "-i" ]] ; then
1397 [[ ${ls/ ${f} /} != ${ls} ]] && newls="${newls} ${f}"
1398 else
1399 [[ ${ls/ ${f} /} == ${ls} ]] && newls="${newls} ${f}"
680 fi 1400 fi
681 done 1401 done
682 list="`echo $list2 | sort` $list" 1402 ls=${newls}
1403 done
1404 ls=${ls//.po}
1405 else
1406 ls=$@
1407 fi
1408
1409 ls=" ${ls} "
1410 newls=""
1411 for f in ${LINGUAS} ; do
1412 if [[ ${ls/ ${f} /} != ${ls} ]] ; then
1413 newls="${newls} ${f}"
683 else 1414 else
684 die "Couldn't find $x" 1415 ewarn "Sorry, but ${PN} does not support the ${f} LINGUA"
685 fi 1416 fi
686 done 1417 done
1418 if [[ -z ${newls} ]] ; then
1419 export LINGUAS=""
1420 else
1421 export LINGUAS=${newls:1}
1422 fi
1423}
687 1424
688 debug-print "$FUNCNAME: final list of patches: $list" 1425# moved from kernel.eclass since they are generally useful outside of
1426# kernel.eclass -iggy (20041002)
689 1427
690 for x in $list; do 1428# the following functions are useful in kernel module ebuilds, etc.
691 debug-print "$FUNCNAME: processing $x" 1429# for an example see ivtv or drbd ebuilds
692 # deal with compressed files. /usr/bin/file is in the system profile, or should be.
693 case "`/usr/bin/file -b $x`" in
694 *gzip*) patchfile="${T}/current.patch"; ungzip -c "$x" > "${patchfile}";;
695 *bzip2*) patchfile="${T}/current.patch"; bunzip2 -c "$x" > "${patchfile}";;
696 *text*) patchfile="$x";;
697 *) die "Could not determine filetype of patch $x";;
698 esac
699 debug-print "$FUNCNAME: patchfile=$patchfile"
700 1430
701 # determine patchlevel. supports p0 and higher with either $S or $WORKDIR as base. 1431# set's ARCH to match what the kernel expects
702 target="`/bin/grep '+++' $patchfile | /usr/bin/tail -1`" 1432set_arch_to_kernel() {
703 debug-print "$FUNCNAME: raw target=$target" 1433 i=10
704 # strip target down to the path/filename. NOTE doesn't support filenames/paths with spaces in them :-( 1434 while ((i--)) ; do
705 # remove leading +++ 1435 ewarn "PLEASE UPDATE TO YOUR PACKAGE TO USE linux-info.eclass"
706 target="${target/+++ }"
707 # ugly, yes. i dunno why doesn't this work instead: target=${target%% *}
708 for foo in $target; do target="$foo"; break; done
709 # duplicate slashes are discarded by patch wrt the patchlevel. therefore we need to discard them as well
710 # to calculate the correct patchlevel.
711 while [ "$target" != "${target/\/\/}" ]; do
712 target="${target/\/\//\/}"
713 done
714 debug-print "$FUNCNAME: stripped target=$target"
715
716 # look for target
717 for basedir in "$S" "$WORKDIR" "`pwd`"; do
718 debug-print "$FUNCNAME: looking in basedir=$basedir"
719 cd "$basedir"
720
721 # try stripping leading directories
722 target2="$target"
723 plevel=0
724 debug-print "$FUNCNAME: trying target2=$target2, plevel=$plevel"
725 while [ ! -f "$target2" ]; do
726 target2="${target2#*/}" # removes piece of target2 upto the first occurence of /
727 plevel=plevel+1
728 debug-print "$FUNCNAME: trying target2=$target2, plevel=$plevel"
729 [ "$target2" == "${target2/\/}" ] && break
730 done
731 test -f "$target2" && break
732
733 # try stripping filename - needed to support patches creating new files
734 target2="${target%/*}"
735 plevel=0
736 debug-print "$FUNCNAME: trying target2=$target2, plevel=$plevel"
737 while [ ! -d "$target2" ]; do
738 target2="${target2#*/}" # removes piece of target2 upto the first occurence of /
739 plevel=plevel+1
740 debug-print "$FUNCNAME: trying target2=$target2, plevel=$plevel"
741 [ "$target2" == "${target2/\/}" ] && break
742 done
743 test -d "$target2" && break
744
745 done
746
747 test -f "${basedir}/${target2}" || test -d "${basedir}/${target2}" || die "Could not determine patchlevel for $x"
748 debug-print "$FUNCNAME: determined plevel=$plevel"
749 # do the patching
750 ebegin "Applying patch ${x##*/}..."
751 /usr/bin/patch -p$plevel < "$patchfile" > /dev/null || die "Failed to apply patch $x"
752 eend $?
753
754 done 1436 done
755 1437 export EUTILS_ECLASS_PORTAGE_ARCH="${ARCH}"
1438 case ${ARCH} in
1439 x86) export ARCH="i386";;
1440 amd64) export ARCH="x86_64";;
1441 hppa) export ARCH="parisc";;
1442 mips) export ARCH="mips";;
1443 sparc) export ARCH="$(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!
1444 *) export ARCH="${ARCH}";;
1445 esac
756} 1446}
1447
1448# set's ARCH back to what portage expects
1449set_arch_to_portage() {
1450 i=10
1451 while ((i--)) ; do
1452 ewarn "PLEASE UPDATE TO YOUR PACKAGE TO USE linux-info.eclass"
1453 done
1454 export ARCH="${EUTILS_ECLASS_PORTAGE_ARCH}"
1455}
1456
1457# Jeremy Huddleston <eradicator@gentoo.org>:
1458# preserve_old_lib /path/to/libblah.so.0
1459# preserve_old_lib_notify /path/to/libblah.so.0
1460#
1461# These functions are useful when a lib in your package changes --soname. Such
1462# an example might be from libogg.so.0 to libogg.so.1. Removing libogg.so.0
1463# would break packages that link against it. Most people get around this
1464# by using the portage SLOT mechanism, but that is not always a relevant
1465# solution, so instead you can add the following to your ebuilds:
1466#
1467# src_install() {
1468# ...
1469# preserve_old_lib /usr/$(get_libdir)/libogg.so.0
1470# ...
1471# }
1472#
1473# pkg_postinst() {
1474# ...
1475# preserve_old_lib_notify /usr/$(get_libdir)/libogg.so.0
1476# ...
1477# }
1478
1479preserve_old_lib() {
1480 LIB=$1
1481
1482 if [ -n "${LIB}" -a -f "${ROOT}${LIB}" ]; then
1483 SONAME=`basename ${LIB}`
1484 DIRNAME=`dirname ${LIB}`
1485
1486 dodir ${DIRNAME}
1487 cp ${ROOT}${LIB} ${D}${DIRNAME}
1488 touch ${D}${LIB}
1489 fi
1490}
1491
1492preserve_old_lib_notify() {
1493 LIB=$1
1494
1495 if [ -n "${LIB}" -a -f "${ROOT}${LIB}" ]; then
1496 SONAME=`basename ${LIB}`
1497
1498 einfo "An old version of an installed library was detected on your system."
1499 einfo "In order to avoid breaking packages that link against is, this older version"
1500 einfo "is not being removed. In order to make full use of this newer version,"
1501 einfo "you will need to execute the following command:"
1502 einfo " revdep-rebuild --soname ${SONAME}"
1503 einfo
1504 einfo "After doing that, you can safely remove ${LIB}"
1505 einfo "Note: 'emerge gentoolkit' to get revdep-rebuild"
1506 fi
1507}
1508
1509# Hack for people to figure out if a package was built with
1510# certain USE flags
1511#
1512# Usage: built_with_use [-a|-o] <DEPEND ATOM> <List of USE flags>
1513# ex: built_with_use xchat gtk2
1514#
1515# Flags: -a all USE flags should be utilized
1516# -o at least one USE flag should be utilized
1517# Note: the default flag is '-a'
1518built_with_use() {
1519 local opt=$1
1520 [[ ${opt:0:1} = "-" ]] && shift || opt="-a"
1521
1522 local PKG=$(best_version $1)
1523 shift
1524
1525 local USEFILE="${ROOT}/var/db/pkg/${PKG}/USE"
1526 [[ ! -e ${USEFILE} ]] && return 1
1527
1528 local USE_BUILT=$(<${USEFILE})
1529 while [[ $# -gt 0 ]] ; do
1530 if [[ ${opt} = "-o" ]] ; then
1531 has $1 ${USE_BUILT} && return 0
1532 else
1533 has $1 ${USE_BUILT} || return 1
1534 fi
1535 shift
1536 done
1537 [[ ${opt} = "-a" ]]
1538}
1539
1540# Many configure scripts wrongly bail when a C++ compiler
1541# could not be detected. #73450
1542epunt_cxx() {
1543 local dir=$1
1544 [[ -z ${dir} ]] && dir=${S}
1545 ebegin "Removing useless C++ checks"
1546 local f
1547 for f in $(find ${dir} -name configure) ; do
1548 patch -p0 "${f}" "${PORTDIR}/eclass/ELT-patches/nocxx/nocxx.patch" > /dev/null
1549 done
1550 eend 0
1551}
1552
1553# dopamd <file> [more files]
1554#
1555# Install pam auth config file in /etc/pam.d
1556dopamd() {
1557 [[ -z $1 ]] && die "dopamd requires at least one argument"
1558
1559 use pam || return 0
1560
1561 INSDESTTREE=/etc/pam.d \
1562 doins "$@" || die "failed to install $@"
1563}
1564# newpamd <old name> <new name>
1565#
1566# Install pam file <old name> as <new name> in /etc/pam.d
1567newpamd() {
1568 [[ $# -ne 2 ]] && die "newpamd requires two arguements"
1569
1570 use pam || return 0
1571
1572 INSDESTTREE=/etc/pam.d \
1573 newins "$1" "$2" || die "failed to install $1 as $2"
1574}
1575
1576# make a wrapper script ...
1577# NOTE: this was originally games_make_wrapper, but I noticed other places where
1578# this could be used, so I have moved it here and made it not games-specific
1579# -- wolf31o2
1580# $1 == wrapper name
1581# $2 == binary to run
1582# $3 == directory to chdir before running binary
1583# $4 == extra LD_LIBRARY_PATH's (make it : delimited)
1584# $5 == path for wrapper
1585make_wrapper() {
1586 local wrapper=$1 bin=$2 chdir=$3 libdir=$4 path=$5
1587 local tmpwrapper=$(emktemp)
1588 cat << EOF > "${tmpwrapper}"
1589#!/bin/sh
1590cd "${chdir}"
1591export LD_LIBRARY_PATH="\${LD_LIBRARY_PATH}:${libdir}"
1592exec ${bin} "\$@"
1593EOF
1594 chmod go+rx "${tmpwrapper}"
1595 if [ -n "${5}" ]
1596 then
1597 exeinto ${5}
1598 newexe "${tmpwrapper}" "${wrapper}"
1599 else
1600 newbin "${tmpwrapper}" "${wrapper}"
1601 fi
1602}

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