source: BLFS/libs/func_dependencies@ 7214dad

2.3 2.3.x 2.4 ablfs ablfs-more legacy new_features trunk
Last change on this file since 7214dad was 53e258f, checked in by Manuel Canales Esparcia <manuel@…>, 18 years ago

BLFS:Avoid a few new circular dependencies.

  • Property mode set to 100644
File size: 11.3 KB
Line 
1#!/bin/bash
2#
3# $Id$
4#
5set -e
6
7declare -i cntr=0
8declare -a spaceSTR=" "
9
10#----------------------------#
11generate_dependency_tree() { #
12#----------------------------#
13: <<inline_doc
14 function: Create a dependency tree for the TARGET
15 input vars: none
16 externals: vars: TARGET
17 PKGXML
18 DEP_LEVEL
19 func: do_dependencies
20 modifies: vars: PKGXML
21 BLFS_XML
22 returns: nothing
23 output: files: $TARGET.dep
24 $TARGET-index.xml.tmp
25 depure.txt
26 on error: nothing
27 on success: nothing
28inline_doc
29
30 local ENTRY_START
31 local ENTRY_END
32
33 #---------------------
34 # Create the working directory and cd into it
35 if [[ -d $TARGET ]] ; then
36 echo -e "\tERROR: Looks like $TARGET has been already processed."
37 echo -e "\tPlease delete or rename the $TARGET directory.\n"
38 exit 1
39 else
40 mkdir $TARGET && cd $TARGET
41 fi
42
43 #---------------------
44 # XML file of the target package
45 PKGXML=`grep "^$TARGET[[:space:]]" ../packages | cut -f2`
46
47 #---------------------
48 # The BLFS sources directory.
49 BLFS_XML=`echo $PKGXML | sed -e 's,/.*,,'`
50
51 if [[ ! -d ../$BLFS_XML ]] ; then
52 echo -e "\tThe BLFS book sources directory is missing.\n"
53 echo -e "\tExecution aborted.\n"
54 cd .. && rmdir $TARGET
55 exit 1
56 fi
57
58 #---------------------
59 # XInclude stuff
60 ENTRY_START="<xi:include xmlns:xi=\"http://www.w3.org/2003/XInclude\" href=\"../"
61 ENTRY_END="\"/>"
62
63 echo -e "\tGenerating $TARGET dependencies tree ..."
64
65 mkdir dependencies
66
67 #---------------------
68 # Create target package dependencies list
69 case $TARGET in
70 # Skip the creation when all dependencies are circular.
71 alsa-lib | cracklib | libexif | unixodbc ) ;;
72
73 # Meta-packages at target level
74 alsa )
75 cp ../libs/alsa.dep dependencies/
76 ;;
77 gnome-core )
78 cp ../libs/gnome-core.dep dependencies/
79 ;;
80 gnome-full )
81 cp ../libs/gnome-{core,full}.dep dependencies/
82 ;;
83 kde-core )
84 cp ../libs/kde-core.dep dependencies/
85 ;;
86 kde-full )
87 cp ../libs/kde-{core,full}.dep dependencies/
88 ;;
89 kde-koffice )
90 cp ../libs/kde-{core,full,koffice}.dep dependencies/
91 ;;
92 xorg7 )
93 cp ../libs/xorg7.dep dependencies/
94 ;;
95 * ) # Default
96 xsltproc --stringparam dependencies $DEP_LEVEL \
97 -o dependencies/$TARGET.dep \
98 ../libs/dependencies.xsl ../$PKGXML
99 ;;
100 esac
101
102 #---------------------
103 # Start with a clean $TARGET-index.xml.tmp file
104 > $TARGET-index.xml.tmp
105
106 #---------------------
107 # Write the XInclude
108 case $TARGET in
109 # If there is no usefull XML page, skip it.
110 alsa | gnome-core | gnome-full | kde-core | kde-full | kde-koffice | xorg7) ;;
111 * )
112 echo -e " $ENTRY_START$PKGXML$ENTRY_END" >> $TARGET-index.xml.tmp
113 ;;
114 esac
115
116 #---------------------
117 # If have dependencies, write its XInclude and find sub-dependencies
118 if [[ -f dependencies/$TARGET.dep ]]; then
119 mkdir xincludes && do_dependencies $TARGET
120 fi
121
122 echo -e "\n\t... done"
123}
124
125
126
127#-----------------------#
128do_dependencies() { # Loop to find sub-dependencies :::WARNING::: THIS IS A RECURVISE FUNCTION
129#-----------------------#
130: <<inline_doc
131 function: Loop through all the packages and create a sub-dependency tree
132 input vars: $1, package name
133 externals: vars: $DEP_LEVEL
134 $TARGET
135 $PRINT_SERVER
136 $KBR5
137 $GHOSTSCRIPT
138 $MAILSERVER
139 file: depure.txt
140 $TARGET-index.xml.tmp
141 $PKG.dep
142 $PKG.inc
143 modifies: files
144 returns: nothing
145 output: file: $PKG-xinc.tmp
146 depure.txt
147 $TARGET-index.xml.tmp
148 on error: exit
149 on success:
150inline_doc
151
152 set -e
153 local PKG=$1
154 local saveIFS=$IFS
155 local DEP_LV=$DEP_LEVEL
156 local line line2 DEP pkg_ver inst_ver
157
158 #------------------
159 # If a premade xinclude file exists, use it. If not, create one
160 if [[ -f xincludes/$PKG.xinc ]] ; then
161 IFS=$'\x0A'
162 for line in `cat xincludes/$PKG.xinc` ; do
163 IFS=$saveIFS
164 # Remove the Xinclude entry if found. We want the most newer one.
165 # Using double quotes to let bash expand variables.
166 # Remove also the empty line created. Can not be done in one step
167 # due that d requires the pattner between /, but we have a lot of /
168 # inside the pattner.
169 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
170 # Write the XInclude
171 echo -e "$line" >> $TARGET-index.xml.tmp
172 done
173 return
174 fi
175
176 #------------------
177 # Start with a clean $PKG.xinc.tmp file
178 > xincludes/$PKG.xinc.tmp
179 for DEP in `cat dependencies/$PKG.dep`; do
180
181 # Special packages that need be remaped
182 case $DEP in
183
184 db ) continue ;; # The proper version of DB is installed in LFS
185
186 # Don't have their own XML file
187 hal-requirements | hal-runtime-dependencies ) continue ;;
188 perl-* | tk-perl ) DEP=perl-modules ;;
189
190 # Orphan links (proper link must be created when generating the book)
191 arts ) DEP=aRts ;;
192 kde ) DEP=kde-core ;;
193
194 # Set values for alternative packages
195 LPRng | cups ) DEP=$PRINT_SERVER ;;
196 mitkrb | heimdal ) DEP=$KBR5 ;;
197 gs | espgs ) DEP=$GHOSTSCRIPT ;;
198 server-mail ) DEP=$MAIL_SERVER ;;
199 x-window-system )
200 case $X11 in
201 xorg7 ) DEP=xorg7 ;;
202 * )
203 pkg_ver=$(grep "^${X11}[[:space:]]" ../packages | cut -f3)
204 inst_ver=$(grep "^${X11}[[:space:]]" ../packages | cut -f4)
205 [ -n "${pkg_ver}" ] && [ "x${pkg_ver}" = "x${inst_ver}" ] && continue
206 ;;
207 esac
208 ;;
209 esac
210
211 # If DEP has been previouly installed, skip it
212 pkg_ver=$(grep "^${DEP}[[:space:]]" ../packages | cut -f3)
213 inst_ver=$(grep "^${DEP}[[:space:]]" ../packages | cut -f4)
214 [ -n "${pkg_ver}" ] && [ "x${pkg_ver}" = "x${inst_ver}" ] && continue
215
216 #------------------
217 # Prevent circular dependencies
218 # If all dependencies are circular, the creation of the *.dep file
219 # must be skipped, not placed here, to avoid that the script will bomb
220 # due empty *.xinc files
221 case $DEP in
222 jadetex | perl-* | lynx | Links | w3m )
223 # Optional dependencies are runtime only
224 [[ "$PKG" = "docbook-utils" ]] && continue
225 ;;
226 libxslt )
227 # libxml2-->libxslt-->libxml2
228 [[ "$PKG" = "libxml2" ]] && continue
229 ;;
230 openldap | postgresql | $KBR5 )
231 # cyrus-sasl-->several-->cyrus-sasl
232 [[ "$PKG" = "cyrus-sasl" ]] && continue
233 ;;
234 espgs )
235 # sendmail-->espgs-->cups-->php-->sendmail
236 [[ "$PKG" = "$MAIL_SERVER" ]] && continue
237 ;;
238 aRts )
239 # esound-->aRts-->esound
240 [[ "$PKG" = "esound" ]] && continue
241 ;;
242 gimp | sane )
243 # imagemagick-->{sane}-->gimp-->imagemagick
244 [[ "$PKG" = "imagemagick" ]] && continue
245 ;;
246 ffmpeg )
247 # alsa-plugins-->ffmpeg-->several-->alsa-plugins
248 [[ "$PKG" = "alsa-plugins" ]] && continue
249 ;;
250 GTK )
251 # deprecated GTK version
252 [[ "$PKG" = "alsa-tools" ]] && continue
253 ;;
254 akode )
255 # Both are in the same page
256 [[ "$PKG" = "kdemultimedia" ]] && continue
257 ;;
258 dbus )
259 # cups-->dbus-->several combinations-->cups
260 [[ "$PKG" = "cups" ]] && continue
261 ;;
262 librsvg | poppler | gtk2 )
263 # All optinal testsuite dependencies are circular
264 [[ "$PKG" = "cairo" ]] && continue
265 ;;
266 esac
267
268 #------------------
269 # XML file of dependency package
270 DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
271 case $DEP in
272 x-window-system | alsa ) ;; # No page for that (proper link must be created when generating the book)
273 xorg7 ) ;; # This page will be dump in the xorg7.xinc file
274 gnome-core | kde-core | kde-full ) ;; # Invented packages
275 * )
276 # Remove the Xinclude entry if found
277 sed -e "s,^[[:space:]]*$ENTRY_START$DEP_XML$ENTRY_END,," \
278 -e '/./!d' -i xincludes/$PKG.xinc.tmp
279 # Write the XInclude
280 echo -e " $ENTRY_START$DEP_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
281 ;;
282 esac
283
284 #------------------
285 # If not already created, create its dependencies list
286 if [[ ! -f dependencies/$DEP.dep ]] ; then
287 case $DEP in
288 # Skip the creation when all dependencies are circular.
289 alsa-lib | cracklib | libexif | unixodbc ) ;;
290 # Meta-packages at dependency level
291 alsa )
292 cp ../libs/alsa.dep dependencies/
293 ;;
294 kde-core )
295 cp ../libs/kde-core.dep dependencies/
296 ;;
297 x-window-system ) # When X11 is not Xorg7
298 echo -e "x-config\nx-setup\n$X11" > dependencies/x-window-system.dep
299 ;;
300 xorg7 )
301 cp ../libs/xorg7.dep dependencies/
302 ;;
303 * ) xsltproc --stringparam dependencies $DEP_LV \
304 -o dependencies/$DEP.dep ../libs/dependencies.xsl ../$DEP_XML
305 ;;
306 esac
307 fi
308
309 #------------------
310 # If needed, process its dependencies
311 if [[ -f dependencies/$DEP.dep ]] ; then
312 # If a premade xinclude file esist, include it
313 if [[ -f xincludes/$DEP.xinc ]] ; then
314 IFS=$'\x0A'
315 for line2 in `cat xincludes/$DEP.xinc` ; do
316 IFS=$saveIFS
317 # Remove the Xinclude entry if found
318 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
319 # Write the XInclude
320 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
321 done
322 #------------------
323 # Create the xinclude file
324 else
325 #
326 # >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
327 #
328 # If the recursion depth is not too great this is an acceptable methodology for a script language
329 # However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
330 #
331 set +e
332 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\ncall: $((++cntr))${spaceSTR:0:$cntr}${RED}$DEP${OFF}"
333 do_dependencies $DEP
334 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\n ret: $cntr${spaceSTR:0:$((cntr--))}${GREEN}$DEP${OFF} Using $DEP Xinc to solve $PKG"
335 set -e
336
337 # Include it when done
338 IFS=$'\x0A'
339 for line2 in `cat xincludes/$DEP.xinc` ; do
340 IFS=$saveIFS
341 # Remove the Xinclude entry if found
342 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
343 # Write the XInclude
344 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
345 done
346 fi
347 fi
348 done
349
350 #------------------
351 if [[ "$PKG" = "xorg7" ]] ; then
352 # Add their XInclude
353 PKG_XML=${BLFS_XML}/x/installing/xorg7.xml
354 echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
355 fi
356
357 #------------------
358 mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
359 IFS=$'\x0A'
360 for line in `cat xincludes/$PKG.xinc` ; do
361 IFS=$saveIFS
362 # Remove the Xinclude entry if found.
363 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
364 # Write the XInclude
365 echo -e "$line" >> $TARGET-index.xml.tmp
366 done
367}
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