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Revision 1.25 Revision 1.96
1# Copyright 1999-2004 Gentoo Technologies, Inc. 1# Copyright 1999-2011 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/libtool.eclass,v 1.25 2004/02/11 19:33:14 azarah Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/libtool.eclass,v 1.96 2011/11/18 17:32:14 vapier Exp $
4# 4
5# Author: Martin Schlemmer <azarah@gentoo.org> 5# @ECLASS: libtool.eclass
6# 6# @MAINTAINER:
7# base-system@gentoo.org
8# @BLURB: quickly update bundled libtool code
9# @DESCRIPTION:
7# This eclass patches ltmain.sh distributed with libtoolized packages with the 10# This eclass patches ltmain.sh distributed with libtoolized packages with the
8# relink and portage patch among others 11# relink and portage patch among others
12#
13# Note, this eclass does not require libtool as it only applies patches to
14# generated libtool files. We do not run the libtoolize program because that
15# requires a regeneration of the main autotool files in order to work properly.
9 16
10ECLASS="libtool" 17# If an overlay has eclass overrides, but doesn't actually override the
11INHERITED="${INHERITED} ${ECLASS}" 18# libtool.eclass, we'll have ECLASSDIR pointing to the active overlay's
12 19# eclass/ dir, but libtool.eclass is still in the main Gentoo tree. So
13newdepend "!bootstrap? ( sys-devel/libtool )" 20# add a check to locate the ELT-patches/ regardless of what's going on.
21ECLASSDIR_LOCAL=${BASH_SOURCE[0]%/*}
22elt_patch_dir() {
23 local d="${ECLASSDIR}/ELT-patches"
24 if [[ ! -d ${d} ]] ; then
25 d="${ECLASSDIR_LOCAL}/ELT-patches"
26 fi
27 echo "${d}"
28}
14 29
15DESCRIPTION="Based on the ${ECLASS} eclass" 30DESCRIPTION="Based on the ${ECLASS} eclass"
16 31
17ELIBTOOL_VERSION="2.0.1" 32inherit multilib toolchain-funcs
18
19
20ELT_PATCH_DIR="${PORTDIR}/eclass/ELT-patches"
21ELT_APPLIED_PATCHES=
22
23#
24# Returns all the directories containing ltmain.sh
25#
26ELT_find_ltmain_sh() {
27 local x=
28 local dirlist=
29
30 for x in $(find "${S}" -name 'ltmain.sh')
31 do
32 dirlist="${dirlist} ${x%/*}"
33 done
34
35 echo "${dirlist}"
36}
37 33
38# 34#
39# See if we can apply $2 on $1, and if so, do it 35# See if we can apply $2 on $1, and if so, do it
40# 36#
41ELT_try_and_apply_patch() { 37ELT_try_and_apply_patch() {
42 local ret=0 38 local ret=0
39 local file=$1
43 local patch="$2" 40 local patch=$2
41 local src=$3
42 local disp="${src} patch"
43 local log="${T}/elibtool.log"
44
45 if [[ -z ${__ELT_NOTED_TMP} ]] ; then
46 __ELT_NOTED_TMP=true
47 printf 'temp patch: %s\n' "${patch}" > "${log}"
48 fi
49 printf '\nTrying %s\n' "${disp}" >> "${log}"
44 50
45 # We only support patchlevel of 0 - why worry if its static patches? 51 # We only support patchlevel of 0 - why worry if its static patches?
46 if patch -p0 --dry-run $1 < ${patch} &>${T}/elibtool.log 52 if patch -p0 --dry-run "${file}" "${patch}" >> "${log}" 2>&1 ; then
47 then 53 einfo " Applying ${disp} ..."
48 einfo " Applying $(basename "$(dirname "${patch}")")-${patch##*/}.patch..." 54 patch -p0 -g0 --no-backup-if-mismatch "${file}" "${patch}" >> "${log}" 2>&1
49 patch -p0 $1 < ${patch} &>${T}/elibtool.log
50 ret=$? 55 ret=$?
51 export ELT_APPLIED_PATCHES="${ELT_APPLIED_PATCHES} ${patch##*/}" 56 export ELT_APPLIED_PATCHES="${ELT_APPLIED_PATCHES} ${src}"
52 else 57 else
53 ret=1 58 ret=1
54 fi 59 fi
55 60
56 return ${ret} 61 return "${ret}"
62}
63
64#
65# Get string version of ltmain.sh or ltconfig (passed as $1)
66#
67ELT_libtool_version() {
68 (
69 unset VERSION
70 eval $(grep -e '^[[:space:]]*VERSION=' "$1")
71 echo "${VERSION:-0}"
72 )
57} 73}
58 74
59# 75#
60# Run through the patches in $2 and see if any 76# Run through the patches in $2 and see if any
61# apply to $1 ... 77# apply to $1 ...
62# 78#
63ELT_walk_patches() { 79ELT_walk_patches() {
64 local x= 80 local patch tmp
65 local y=
66 local ret=1 81 local ret=1
82 local file=$1
67 local patch_dir= 83 local patch_set=$2
84 local patch_dir="$(elt_patch_dir)/${patch_set}"
85 local rem_int_dep=$3
68 86
69 if [ -n "$2" ] 87 [[ -z ${patch_set} ]] && return 1
70 then 88 [[ ! -d ${patch_dir} ]] && return 1
71 if [ -d "${ELT_PATCH_DIR}/$2" ] 89
72 then 90 # Allow patches to use @GENTOO_LIBDIR@ replacements
73 patch_dir="${ELT_PATCH_DIR}/$2" 91 local sed_args=( -e "s:@GENTOO_LIBDIR@:$(get_libdir):g" )
74 else 92 if [[ -n ${rem_int_dep} ]] ; then
75 return ${ret} 93 # replace @REM_INT_DEP@ with what was passed
94 # to --remove-internal-dep
95 sed_args+=( -e "s|@REM_INT_DEP@|${rem_int_dep}|g" )
96 fi
97
98 pushd "$(elt_patch_dir)" >/dev/null || die
99
100 # Go through the patches in reverse order (newer version to older)
101 for patch in $(find "${patch_set}" -maxdepth 1 -type f | LC_ALL=C sort -r) ; do
102 tmp="${T}/libtool-elt.patch"
103 sed "${sed_args[@]}" "${patch}" > "${tmp}" || die
104 if ELT_try_and_apply_patch "${file}" "${tmp}" "${patch}" ; then
105 # Break to unwind w/popd rather than return directly
106 ret=0
107 break
76 fi 108 fi
77
78 for x in $(ls -d "${patch_dir}"/* 2>/dev/null)
79 do
80 if [ -n "${x}" -a -f "${x}" ]
81 then
82 # For --remove-internal-dep ...
83 if [ -n "$3" ]
84 then
85 # For replace @REM_INT_DEP@ with what was passed
86 # to --remove-internal-dep
87 sed -e "s|@REM_INT_DEP@|$3|g" ${x} > \
88 ${T}/$$.rem_int_deps.patch
89
90 x="${T}/$$.rem_int_deps.patch"
91 fi
92
93 if ELT_try_and_apply_patch "$1" "${x}"
94 then
95 ret=0
96 break
97 fi
98 fi
99 done 109 done
100 fi
101 110
111 popd >/dev/null
102 return ${ret} 112 return ${ret}
103} 113}
104 114
115# @FUNCTION: elibtoolize
116# @USAGE: [dirs] [--portage] [--reverse-deps] [--patch-only] [--remove-internal-dep=xxx] [--shallow] [--no-uclibc]
117# @DESCRIPTION:
118# Apply a smorgasbord of patches to bundled libtool files. This function
119# should always be safe to run. If no directories are specified, then
120# ${S} will be searched for appropriate files.
121#
122# If the --shallow option is used, then only ${S}/ltmain.sh will be patched.
123#
124# The other options should be avoided in general unless you know what's going on.
105elibtoolize() { 125elibtoolize() {
106 local x= 126 local x
107 local y=
108 local do_portage="no" 127 local do_portage="no"
109 local do_reversedeps="no" 128 local do_reversedeps="no"
110 local do_only_patches="no" 129 local do_only_patches="no"
130 local do_uclibc="yes"
111 local deptoremove= 131 local deptoremove=
112 local my_dirlist= 132 local do_shallow="no"
133 local force="false"
113 local elt_patches="portage relink max_cmd_len sed test tmp" 134 local elt_patches="install-sh ltmain portage relink max_cmd_len sed test tmp cross as-needed"
114 135
115 my_dirlist="$(ELT_find_ltmain_sh)" 136 for x in "$@" ; do
116
117 for x in $*
118 do
119 case "${x}" in 137 case ${x} in
120 "--portage") 138 --portage)
121 # Only apply portage patch, and don't 139 # Only apply portage patch, and don't
122 # 'libtoolize --copy --force' if all patches fail. 140 # 'libtoolize --copy --force' if all patches fail.
123 do_portage="yes" 141 do_portage="yes"
124 ;; 142 ;;
125 "--reverse-deps") 143 --reverse-deps)
126 # Apply the reverse-deps patch 144 # Apply the reverse-deps patch
127 # http://bugzilla.gnome.org/show_bug.cgi?id=75635 145 # http://bugzilla.gnome.org/show_bug.cgi?id=75635
128 do_reversedeps="yes" 146 do_reversedeps="yes"
129 elt_patches="${elt_patches} fix-relink" 147 elt_patches+=" fix-relink"
130 ;; 148 ;;
131 "--patch-only") 149 --patch-only)
132 # Do not run libtoolize if none of the patches apply .. 150 # Do not run libtoolize if none of the patches apply ..
133 do_only_patches="yes" 151 do_only_patches="yes"
134 ;; 152 ;;
135 "^--remove-internal-dep="*) 153 --remove-internal-dep=*)
136 # We will replace @REM_INT_DEP@ with what is needed 154 # We will replace @REM_INT_DEP@ with what is needed
137 # in ELT_walk_patches() ... 155 # in ELT_walk_patches() ...
138 deptoremove="$(echo "${x}" | sed -e 's|--remove-internal-dep=||')" 156 deptoremove=${x#--remove-internal-dep=}
139 157
140 # Add the patch for this ... 158 # Add the patch for this ...
141 [ -n "${deptoremove}" ] && elt_patches="${elt_patches} rem-int-dep" 159 [[ -n ${deptoremove} ]] && elt_patches+=" rem-int-dep"
142 ;; 160 ;;
143 "--shallow") 161 --shallow)
144 # Only patch the ltmain.sh in ${S} 162 # Only patch the ltmain.sh in ${S}
145 if [ -f "${S}/ltmain.sh" ] 163 do_shallow="yes"
146 then
147 my_dirlist="${S}"
148 else
149 my_dirlist=
150 fi
151 ;; 164 ;;
165 --no-uclibc)
166 do_uclibc="no"
167 ;;
168 --force)
169 force="true"
170 ;;
171 *)
172 eerror "Invalid elibtoolize option: ${x}"
173 die "elibtoolize called with ${x} ??"
152 esac 174 esac
153 done 175 done
154 176
155 for x in ${my_dirlist} 177 [[ ${do_uclibc} == "yes" ]] && elt_patches+=" uclibc-conf uclibc-ltconf"
156 do 178
157 local tmp="$(echo "${x}" | sed -e "s|${S}||")" 179 case ${CHOST} in
180 *-aix*) elt_patches+=" hardcode aixrtl aix-noundef" ;; #213277
181 *-darwin*) elt_patches+=" darwin-ltconf darwin-ltmain darwin-conf" ;;
182 *-freebsd*) elt_patches+=" fbsd-conf fbsd-ltconf" ;;
183 *-hpux*) elt_patches+=" hpux-conf deplibs hc-flag-ld hardcode hardcode-relink relink-prog no-lc" ;;
184 *-irix*) elt_patches+=" irix-ltmain" ;;
185 *-mint*) elt_patches+=" mint-conf" ;;
186 esac
187
188 if $(tc-getLD) --version 2>&1 | grep -qs 'GNU gold'; then
189 elt_patches+=" gold-conf"
190 fi
191
192 # Reuse "$@" for dirs to patch
193 set --
194 if [[ ${do_shallow} == "yes" ]] ; then
195 [[ -f ${S}/ltmain.sh ]] && set -- "${S}"
196 else
197 set -- $(find "${S}" -name ltmain.sh -printf '%h ')
198 fi
199
200 local d p
201 for d in "$@" ; do
158 export ELT_APPLIED_PATCHES= 202 export ELT_APPLIED_PATCHES=
159
160 cd ${x}
161 einfo "Patching \${S}$(echo "/${tmp}/ltmain.sh" | sed -e 's|//|/|g')..."
162 203
204 if [[ -f ${d}/.elibtoolized ]] ; then
205 ${force} || continue
206 fi
207
208 einfo "Running elibtoolize in: ${d#${WORKDIR}/}/"
209 if [[ -f ${d}/.elibtoolized ]] ; then
210 ewarn " We've already been run in this tree; you should"
211 ewarn " avoid this if possible (perhaps by filing a bug)"
212 fi
213
163 for y in ${elt_patches} 214 for p in ${elt_patches} ; do
164 do
165 local ret=0 215 local ret=0
166 216
167 case "${y}" in 217 case ${p} in
218 portage)
219 # Stupid test to see if its already applied ...
220 if ! grep -qs 'We do not want portage' "${d}/ltmain.sh" ; then
221 ELT_walk_patches "${d}/ltmain.sh" "${p}"
222 ret=$?
223 fi
224 ;;
168 "rem-int-dep") 225 rem-int-dep)
169 ELT_walk_patches "${x}/ltmain.sh" "${y}" "${deptoremove}" 226 ELT_walk_patches "${d}/ltmain.sh" "${p}" "${deptoremove}"
170 ret=$? 227 ret=$?
171 ;; 228 ;;
172 "fix-relink") 229 fix-relink)
173 # Do not apply if we do not have the relink patch applied ... 230 # Do not apply if we do not have the relink patch applied ...
174 if [ -n "$(grep 'inst_prefix_dir' "${x}/ltmain.sh")" ] 231 if grep -qs 'inst_prefix_dir' "${d}/ltmain.sh" ; then
175 then
176 ELT_walk_patches "${x}/ltmain.sh" "${y}" 232 ELT_walk_patches "${d}/ltmain.sh" "${p}"
177 ret=$? 233 ret=$?
178 fi 234 fi
179 ;; 235 ;;
180 "max_cmd_len") 236 max_cmd_len)
181 # Do not apply if $max_cmd_len is not used ... 237 # Do not apply if $max_cmd_len is not used ...
182 if [ -n "$(grep 'max_cmd_len' "${x}/ltmain.sh")" ] 238 if grep -qs 'max_cmd_len' "${d}/ltmain.sh" ; then
183 then
184 ELT_walk_patches "${x}/ltmain.sh" "${y}" 239 ELT_walk_patches "${d}/ltmain.sh" "${p}"
240 ret=$?
241 fi
242 ;;
243 as-needed)
244 ELT_walk_patches "${d}/ltmain.sh" "${p}"
245 ret=$?
246 ;;
247 uclibc-conf)
248 if grep -qs 'Transform linux' "${d}/configure" ; then
249 ELT_walk_patches "${d}/configure" "${p}"
250 ret=$?
251 # ltmain.sh and co might be in a subdirectory ...
252 elif [[ ! -e ${d}/configure ]] && \
253 grep -qs 'Transform linux' "${d}/../configure" ; then
254 ELT_walk_patches "${d}/../configure" "${p}"
255 ret=$?
256 fi
257 ;;
258 uclibc-ltconf)
259 # Newer libtoolize clears ltconfig, as not used anymore
260 if [[ -s ${d}/ltconfig ]] ; then
261 ELT_walk_patches "${d}/ltconfig" "${p}"
262 ret=$?
263 fi
264 ;;
265 fbsd-conf)
266 if grep -qs 'version_type=freebsd-' "${d}/configure" ; then
267 ELT_walk_patches "${d}/configure" "${p}"
268 ret=$?
269 # ltmain.sh and co might be in a subdirectory ...
270 elif [[ ! -e ${d}/configure ]] && \
271 grep -qs 'version_type=freebsd-' "${d}/../configure" ; then
272 ELT_walk_patches "${d}/../configure" "${p}"
273 ret=$?
274 fi
275 ;;
276 fbsd-ltconf)
277 if [[ -s ${d}/ltconfig ]] ; then
278 ELT_walk_patches "${d}/ltconfig" "${p}"
279 ret=$?
280 fi
281 ;;
282 darwin-conf)
283 if grep -qs '&& echo \.so ||' "${d}/configure" ; then
284 ELT_walk_patches "${d}/configure" "${p}"
285 ret=$?
286 # ltmain.sh and co might be in a subdirectory ...
287 elif [[ ! -e ${d}/configure ]] && \
288 grep -qs '&& echo \.so ||' "${d}/../configure" ; then
289 ELT_walk_patches "${d}/../configure" "${p}"
290 ret=$?
291 fi
292 ;;
293 darwin-ltconf)
294 # Newer libtoolize clears ltconfig, as not used anymore
295 if [[ -s ${d}/ltconfig ]] ; then
296 ELT_walk_patches "${d}/ltconfig" "${p}"
297 ret=$?
298 fi
299 ;;
300 darwin-ltmain)
301 # special case to avoid false positives (failing to apply
302 # ltmain.sh path message), newer libtools have this patch
303 # built in, so not much to patch around then
304 if [[ -e ${d}/ltmain.sh ]] && \
305 ! grep -qs 'verstring="-compatibility_version' "${d}/ltmain.sh" ; then
306 ELT_walk_patches "${d}/ltmain.sh" "${p}"
307 ret=$?
308 fi
309 ;;
310 aixrtl|hpux-conf)
311 ret=1
312 local subret=0
313 # apply multiple patches as often as they match
314 while [[ $subret -eq 0 ]]; do
315 subret=1
316 if [[ -e ${d}/configure ]]; then
317 ELT_walk_patches "${d}/configure" "${p}"
318 subret=$?
319 # ltmain.sh and co might be in a subdirectory ...
320 elif [[ ! -e ${d}/configure && -e ${d}/../configure ]] ; then
321 ELT_walk_patches "${d}/../configure" "${p}"
322 subret=$?
323 fi
324 if [[ $subret -eq 0 ]]; then
325 # have at least one patch succeeded.
326 ret=0
327 fi
328 done
329 ;;
330 mint-conf|gold-conf)
331 ret=1
332 local subret=1
333 if [[ -e ${d}/configure ]]; then
334 ELT_walk_patches "${d}/configure" "${p}"
335 subret=$?
336 # ltmain.sh and co might be in a subdirectory ...
337 elif [[ -e ${d}/../configure ]] ; then
338 ELT_walk_patches "${d}/../configure" "${p}"
339 subret=$?
340 elif [[ -e ${d}/../../configure ]] ; then
341 ELT_walk_patches "${d}/../../configure" "${p}"
342 subret=$?
343 fi
344 if [[ $subret -eq 0 ]]; then
345 # have at least one patch succeeded.
346 ret=0
347 fi
348 ;;
349 install-sh)
350 ELT_walk_patches "${d}/install-sh" "${p}"
351 ret=$?
352 ;;
353 cross)
354 if tc-is-cross-compiler ; then
355 ELT_walk_patches "${d}/ltmain.sh" "${p}"
185 ret=$? 356 ret=$?
186 fi 357 fi
187 ;; 358 ;;
188 *) 359 *)
189 ELT_walk_patches "${x}/ltmain.sh" "${y}" 360 ELT_walk_patches "${d}/ltmain.sh" "${p}"
190 ret=$? 361 ret=$?
191 ;; 362 ;;
192 esac 363 esac
193 364
194 if [ "${ret}" -ne 0 ] 365 if [[ ${ret} -ne 0 ]] ; then
195 then
196 case ${y} in 366 case ${p} in
197 "relink") 367 relink)
368 local version=$(ELT_libtool_version "${d}/ltmain.sh")
198 # Critical patch, but could be applied ... 369 # Critical patch, but could be applied ...
370 # FIXME: Still need a patch for ltmain.sh > 1.4.0
199 if [ -z "$(grep 'inst_prefix_dir' "${x}/ltmain.sh")" ] 371 if ! grep -qs 'inst_prefix_dir' "${d}/ltmain.sh" && \
200 then 372 [[ $(VER_to_int "${version}") -ge $(VER_to_int "1.4.0") ]] ; then
201 ewarn " Could not apply relink.patch!" 373 ewarn " Could not apply relink.patch!"
202 fi 374 fi
203 ;; 375 ;;
204 "portage") 376 portage)
205 # Critical patch - for this one we abort, as it can really 377 # Critical patch - for this one we abort, as it can really
206 # cause breakage without it applied! 378 # cause breakage without it applied!
207 if [ "${do_portage}" = "yes" ] 379 if [[ ${do_portage} == "yes" ]] ; then
208 then
209 # Stupid test to see if its already applied ... 380 # Stupid test to see if its already applied ...
210 if [ -z "$(grep 'We do not want portage' "${x}/ltmain.sh")" ] 381 if ! grep -qs 'We do not want portage' "${d}/ltmain.sh" ; then
211 then
212 echo 382 echo
213 eerror "Portage patch requested, but failed to apply!" 383 eerror "Portage patch requested, but failed to apply!"
384 eerror "Please file a bug report to add a proper patch."
214 die "Portage patch requested, but failed to apply!" 385 die "Portage patch requested, but failed to apply!"
215 fi 386 fi
216 else 387 else
217 ewarn " Could not apply portage.patch!" 388 if grep -qs 'We do not want portage' "${d}/ltmain.sh" ; then
389 # ewarn " Portage patch seems to be already applied."
218 ewarn " Please verify that it is not needed." 390 # ewarn " Please verify that it is not needed."
391 :
392 else
393 local version=$(ELT_libtool_version "${d}"/ltmain.sh)
394 echo
395 eerror "Portage patch failed to apply (ltmain.sh version ${version})!"
396 eerror "Please file a bug report to add a proper patch."
397 die "Portage patch failed to apply!"
398 fi
399 # We do not want to run libtoolize ...
400 ELT_APPLIED_PATCHES="portage"
219 fi 401 fi
402 ;;
403 uclibc-*)
404 [[ ${CHOST} == *-uclibc ]] && ewarn " uClibc patch set '${p}' failed to apply!"
405 ;;
406 fbsd-*)
407 if [[ ${CHOST} == *-freebsd* ]] ; then
408 if [[ -z $(grep 'Handle Gentoo/FreeBSD as it was Linux' \
409 "${d}/configure" "${d}/../configure" 2>/dev/null) ]]; then
410 eerror " FreeBSD patch set '${p}' failed to apply!"
411 die "FreeBSD patch set '${p}' failed to apply!"
412 fi
413 fi
414 ;;
415 darwin-*)
416 [[ ${CHOST} == *"-darwin"* ]] && ewarn " Darwin patch set '${p}' failed to apply!"
220 ;; 417 ;;
221 esac 418 esac
222 fi 419 fi
420 done
223 421
224 if [ -z "${ELT_APPLIED_PATCHES}" ] 422 if [[ -z ${ELT_APPLIED_PATCHES} ]] ; then
423 if [[ ${do_portage} == "no" && \
424 ${do_reversedeps} == "no" && \
425 ${do_only_patches} == "no" && \
426 ${deptoremove} == "" ]]
225 then 427 then
226 if [ "${do_portage}" = "no" -a \ 428 ewarn "Cannot apply any patches, please file a bug about this"
227 "${do_reversedeps}" = "no" -a \
228 "${do_only_patches}" = "no" -a \
229 "${deptoremove}" = "" ]
230 then
231 # Sometimes ltmain.sh is in a subdirectory ...
232 if [ ! -f ${x}/configure.in -a ! -f ${x}/configure.ac ]
233 then
234 if [ -f ${x}/../configure.in -o -f ${x}/../configure.ac ]
235 then
236 cd ${x}/../
237 fi
238 fi
239
240 if which libtoolize &>/dev/null
241 then
242 ewarn "Cannot apply any patch, running libtoolize..."
243 libtoolize --copy --force
244 fi
245 cd ${x}
246 break
247 fi 429 die
248 fi 430 fi
249 done 431 fi
432
433 rm -f "${d}/libtool"
434
435 > "${d}/.elibtoolized"
250 done 436 done
251
252 if [ -f libtool ]
253 then
254 rm -f libtool
255 fi
256
257 # We need to change the pwd back to $S, as we may be called in
258 # src_compile()
259 cd ${S}
260} 437}
261 438
439uclibctoolize() { die "Use elibtoolize"; }
440darwintoolize() { die "Use elibtoolize"; }
441
442# char *VER_major(string)
443#
444# Return the Major (X of X.Y.Z) version
445#
446VER_major() {
447 [[ -z $1 ]] && return 1
448
449 local VER=$@
450 echo "${VER%%[^[:digit:]]*}"
451}
452
453# char *VER_minor(string)
454#
455# Return the Minor (Y of X.Y.Z) version
456#
457VER_minor() {
458 [[ -z $1 ]] && return 1
459
460 local VER=$@
461 VER=${VER#*.}
462 echo "${VER%%[^[:digit:]]*}"
463}
464
465# char *VER_micro(string)
466#
467# Return the Micro (Z of X.Y.Z) version.
468#
469VER_micro() {
470 [[ -z $1 ]] && return 1
471
472 local VER=$@
473 VER=${VER#*.*.}
474 echo "${VER%%[^[:digit:]]*}"
475}
476
477# int VER_to_int(string)
478#
479# Convert a string type version (2.4.0) to an int (132096)
480# for easy compairing or versions ...
481#
482VER_to_int() {
483 [[ -z $1 ]] && return 1
484
485 local VER_MAJOR=$(VER_major "$1")
486 local VER_MINOR=$(VER_minor "$1")
487 local VER_MICRO=$(VER_micro "$1")
488 local VER_int=$(( VER_MAJOR * 65536 + VER_MINOR * 256 + VER_MICRO ))
489
490 # We make version 1.0.0 the minimum version we will handle as
491 # a sanity check ... if its less, we fail ...
492 if [[ ${VER_int} -ge 65536 ]] ; then
493 echo "${VER_int}"
494 return 0
495 fi
496
497 echo 1
498 return 1
499}

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