source: BLFS/libs/func_dependencies@ ad3bf2c

experimental
Last change on this file since ad3bf2c was ad3bf2c, checked in by Manuel Canales Esparcia <manuel@…>, 19 years ago

Finished the support for GNOME and KDE meta-packages.

  • Property mode set to 100644
File size: 12.0 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 -en "\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 # KDE and Gnome-{core,full} could be made via packages.sh, but not sure yet how.
75 alsa )
76 echo -e "alsa-oss\nalsa-firmware\nalsa-tools\nalsa-utils\n \
77 alsa-plugins\nalsa-lib" > dependencies/alsa.dep
78 ;;
79 gnome-core )
80 cp ../libs/gnome-core.dep dependencies/
81 ;;
82 gnome-full )
83 cp ../libs/gnome-{core,full}.dep dependencies/
84 ;;
85 kde-core )
86 cp ../libs/kde-core.dep dependencies/
87 ;;
88 kde-full )
89 cp ../libs/kde-{core,full}.dep dependencies/
90 ;;
91 kde-koffice )
92 cp ../libs/kde-{core,full}.dep dependencies/
93 echo -e "koffice\nkde-full\nkde-core" > dependencies/kde-koffice.dep
94 ;;
95 xorg7 ) # At atarget level, add also x-config and x-setup
96 echo -e "x-config\nx-setup\nrman\nxterm2\nxorg7-driver\nxorg7-server\nluit\n \
97 xorg7-font\nxorg7-data\nxorg7-app\nxbitmaps\nmesalib\nlibdrm\n \
98 xorg7-lib\nxorg7-util\nxorg7-proto" > dependencies/xorg7.dep
99 ;;
100 * ) # Default
101 xsltproc --stringparam dependencies $DEP_LEVEL \
102 -o dependencies/$TARGET.dep \
103 ../libs/dependencies.xsl ../$PKGXML
104 ;;
105 esac
106
107 #---------------------
108 # Start with a clean $TARGET-index.xml.tmp file
109 > $TARGET-index.xml.tmp
110
111 #---------------------
112 # Write the XInclude
113 case $TARGET in
114 # If there is no usefull XML page, skip it.
115 alsa | gnome-core | gnome-full | kde-core | kde-full | kde-koffice ) ;;
116 * )
117 echo -e " $ENTRY_START$PKGXML$ENTRY_END" >> $TARGET-index.xml.tmp
118 ;;
119 esac
120
121 #------------------P---
122 # Start with a clean depure.txt file
123 > depure.txt
124
125 #---------------------
126 # If have dependencies, write its XInclude and find sub-dependencies
127 if [[ -f dependencies/$TARGET.dep ]]; then
128 echo -e "Start loop for PKG $TARGET\n" >> depure.txt
129 mkdir xincludes && do_dependencies $TARGET
130 fi
131
132 echo "done"
133}
134
135
136
137#-----------------------#
138do_dependencies() { # Loop to find sub-dependencies :::WARNING::: THIS IS A RECURVISE FUNCTION
139#-----------------------#
140: <<inline_doc
141 function: Loop through all the packages and create a sub-dependency tree
142 input vars: $1, package name
143 externals: vars: $DEP_LEVEL
144 $TARGET
145 $PRINT_SERVER
146 $KBR5
147 $GHOSTSCRIPT
148 $MAILSERVER
149 file: depure.txt
150 $TARGET-index.xml.tmp
151 $PKG.dep
152 $PKG.inc
153 modifies: files
154 returns: nothing
155 output: file: $PKG-xinc.tmp
156 depure.txt
157 $TARGET-index.xml.tmp
158 on error: exit
159 on success:
160inline_doc
161
162 set -e
163 local PKG=$1
164 local saveIFS=$IFS
165 local DEP_LV=$DEP_LEVEL
166 local line line2 DEP
167 echo -e "\tPKG is $PKG" >> depure.txt
168 echo -e "\tDEP_LEVEL for $PKG is $DEP_LV\n" >> depure.txt
169
170 #------------------
171 # If a premade xinclude file exists, use it. If not, create one
172 if [[ -f xincludes/$PKG.xinc ]] ; then
173 echo -e "\tReusing xinclude file for PKG $PKG" >> depure.txt
174 IFS=$'\x0A'
175 for line in `cat xincludes/$PKG.xinc` ; do
176 IFS=$saveIFS
177 # Remove the Xinclude entry if found. We want the most newer one.
178 # Using double quotes to let bash expand variables.
179 # Remove also the empty line created. Can not be done in one step
180 # due that d requires the pattner between /, but we have a lot of /
181 # inside the pattner.
182 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
183 # Write the XInclude
184 echo -e "$line" >> $TARGET-index.xml.tmp
185 done
186 return
187 fi
188
189 #------------------
190 # Start with a clean $PKG.xinc.tmp file
191 > xincludes/$PKG.xinc.tmp
192 for DEP in `cat dependencies/$PKG.dep`; do
193 # Special packages (a lot of hacks)
194 case $DEP in
195
196 db ) # The proper version of DB is installed in LFS
197 continue ;;
198 hal-requirements | hal-runtime-dependencies ) # Don't have their own XML file
199 continue ;;
200 perl-* | tk-perl ) DEP=perl-modules ;;
201
202 # Orphan links (proper link must be created when generating the book)
203 arts ) DEP=aRts ;;
204 # Set values for alternative packages
205 # X is a meta-package, thus handled in another way.
206 LPRng | cups ) DEP=$PRINT_SERVER ;;
207 mitkrb | heimdal ) DEP=$KBR5 ;;
208 gs | espgs ) DEP=$GHOSTSCRIPT ;;
209 server-mail ) DEP=$MAIL_SERVER ;;
210 esac
211
212 #------------------
213 echo -e "\tDEP for $PKG is $DEP" >> depure.txt
214 # Prevent circular dependencies
215 # If all dependencies are circular, the creation of the *.dep file
216 # must be skipped, not placed here, to avoid that the script will bomb
217 # due empty *.xinc files
218 case $DEP in
219 jadetex | perl-* | lynx | Links | w3m )
220 # Optional dependencies are runtime only
221 [[ "$PKG" = "docbook-utils" ]] && continue
222 ;;
223 libxslt )
224 # libxml2-->libxslt-->libxml2
225 [[ "$PKG" = "libxml2" ]] && continue
226 ;;
227 openldap | postgresql | $KBR5 )
228 # cyrus-sasl-->several-->cyrus-sasl
229 [[ "$PKG" = "cyrus-sasl" ]] && continue
230 ;;
231 espgs )
232 # sendmail-->espgs-->cups-->php-->sendmail
233 [[ "$PKG" = "$MAIL_SERVER" ]] && continue
234 ;;
235 aRts )
236 # esound-->aRts-->esound
237 [[ "$PKG" = "esound" ]] && continue
238 ;;
239 gimp | sane )
240 # imagemagick-->{sane}-->gimp-->imagemagick
241 [[ "$PKG" = "imagemagick" ]] && continue
242 ;;
243 ffmpeg )
244 # alsa-plugins-->ffmpeg-->several-->alsa-plugins
245 [[ "$PKG" = "alsa-plugins" ]] && continue
246 ;;
247 akode )
248 # Both are in the same page
249 [[ "$PKG" = "kdemultimedia" ]] && continue
250 ;;
251 esac
252
253 #------------------
254 echo -e "\tDEP_LEVEL for $DEP is $DEP_LV" >> depure.txt
255 # XML file of dependency package
256 DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
257 echo -e "\t\tDEP_XML is $DEP_XML\n" >> depure.txt
258 case $DEP in
259 x-window-system | alsa ) ;; # No page for that (proper link must be created when generating the book)
260 xorg7 ) ;; # This page will be dump in the xorg7.xinc file
261 gnome-core | kde-core | kde-full ) ;; # Invented packages
262 * )
263 # Remove the Xinclude entry if found
264 sed -e "s,^[[:space:]]*$ENTRY_START$DEP_XML$ENTRY_END,," \
265 -e '/./!d' -i xincludes/$PKG.xinc.tmp
266 # Write the XInclude
267 echo -e " $ENTRY_START$DEP_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
268 ;;
269 esac
270
271 #------------------
272 # If not already created, create its dependencies list
273 if [[ ! -f dependencies/$DEP.dep ]] ; then
274 case $DEP in
275 # Skip the creation when all dependencies are circular.
276 alsa-lib | cracklib | libexif | unixodbc ) ;;
277 # Meta-packages at dependency level (ugly *.dep files, but work for now)
278 alsa ) # When dependency "alsa", use all alsa-* packages
279 echo -e "alsa-oss\nalsa-firmware\nalsa-tools\nalsa-utils\n \
280 alsa-plugins\nalsa-lib" > dependencies/alsa.dep
281 ;;
282 x-window-system ) # X11 alternatives
283 echo -e "x-config\nx-setup\n$X11" > dependencies/x-window-system.dep
284 ;;
285 xorg7 )
286 echo -e "rman\nxterm2\nxorg7-driver\nxorg7-server\nluit\nxorg7-font\n \
287 xorg7-data\nxorg7-app\nxbitmaps\nmesalib\nlibdrm\n \
288 xorg7-lib\nxorg7-util\nxorg7-proto" > dependencies/xorg7.dep
289 ;;
290 * ) xsltproc --stringparam dependencies $DEP_LV \
291 -o dependencies/$DEP.dep ../libs/dependencies.xsl ../$DEP_XML
292 ;;
293 esac
294 fi
295
296 #------------------
297 # If needed, process its dependencies
298 if [[ -f dependencies/$DEP.dep ]] ; then
299 # If a premade xinclude file esist, include it
300 if [[ -f xincludes/$DEP.xinc ]] ; then
301 echo -e "\tReusing xinclude file for PKG $DEP (to solve $PKG)\n" >> depure.txt
302 IFS=$'\x0A'
303 for line2 in `cat xincludes/$DEP.xinc` ; do
304 IFS=$saveIFS
305 # Remove the Xinclude entry if found
306 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
307 # Write the XInclude
308 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
309 done
310 #------------------
311 # Create the xinclude file
312 else
313 echo -e "\nStart new loop for PKG $DEP (to solve $PKG)\n" >> depure.txt
314 #
315 # >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
316 #
317 # If the recursion depth is not too great this is an acceptable methodology for a script language
318 # However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
319 #
320 set +e
321 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\nrecursive call: $((++cntr)) ${spaceSTR:0:$cntr} ${RED}$DEP${OFF}"
322 do_dependencies $DEP
323 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\nrecursive ret: $cntr ${spaceSTR:0:$((cntr--))} ${GREEN}$DEP${OFF}\tUsing the new xinclude file for PKG $DEP (to solve $PKG)"
324 set -e
325
326 # Include it when done
327 echo -e "\tUsing the new xinclude file for PKG $DEP (to solve $PKG)\n" >> depure.txt
328 IFS=$'\x0A'
329 for line2 in `cat xincludes/$DEP.xinc` ; do
330 IFS=$saveIFS
331 # Remove the Xinclude entry if found
332 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
333 # Write the XInclude
334 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
335 done
336 fi
337 fi
338 done
339
340 #------------------
341 if [[ "$PKG" = "xorg7" ]] ; then
342 # Add their XInclude
343 PKG_XML=`grep "^$PKG[[:space:]]" ../packages | cut -f2`
344 echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
345 fi
346
347 #------------------
348 mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
349 echo -e "Using the new xinclude file for PKG $PKG" >> depure.txt
350 IFS=$'\x0A'
351 for line in `cat xincludes/$PKG.xinc` ; do
352 IFS=$saveIFS
353 # Remove the Xinclude entry if found.
354 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
355 # Write the XInclude
356 echo -e "$line" >> $TARGET-index.xml.tmp
357 done
358
359 echo -e "\nEnd loop for PKG $PKG\n" >> depure.txt
360}
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