source: BLFS/libs/func_dependencies@ 4a7e066

2.3 2.3.x 2.4 ablfs ablfs-more legacy new_features trunk
Last change on this file since 4a7e066 was 4a7e066, checked in by Manuel Canales Esparcia <manuel@…>, 18 years ago

Removed depure.txt creation.
The recursive call code is more usefull to catch circular dependencies.

  • Property mode set to 100644
File size: 11.6 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 # Note: for book.xsl this value must be set via a sed in ./blfs.
50 # For consistency, we should to do the same here.
51 BLFS_XML=`echo $PKGXML | sed -e 's,/.*,,'`
52
53 if [[ ! -d ../$BLFS_XML ]] ; then
54 echo -e "\tThe BLFS book sources directory is missing.\n"
55 echo -e "\tExecution aborted.\n"
56 cd .. && rmdir $TARGET
57 exit 1
58 fi
59
60 #---------------------
61 # XInclude stuff
62 ENTRY_START="<xi:include xmlns:xi=\"http://www.w3.org/2003/XInclude\" href=\"../"
63 ENTRY_END="\"/>"
64
65 echo -en "\tGenerating $TARGET dependencies tree ..."
66
67 mkdir dependencies
68
69 #---------------------
70 # Create target package dependencies list
71 case $TARGET in
72 # Skip the creation when all dependencies are circular.
73 alsa-lib | cracklib | libexif | unixodbc ) ;;
74
75 # Meta-packages at target level
76 # KDE and Gnome-{core,full} could be made via packages.sh, but not sure yet how.
77 alsa )
78 echo -e "alsa-oss\nalsa-firmware\nalsa-tools\nalsa-utils\n \
79 alsa-plugins\nalsa-lib" > dependencies/alsa.dep
80 ;;
81 gnome-core )
82 cp ../libs/gnome-core.dep dependencies/
83 ;;
84 gnome-full )
85 cp ../libs/gnome-{core,full}.dep dependencies/
86 ;;
87 kde-core )
88 cp ../libs/kde-core.dep dependencies/
89 ;;
90 kde-full )
91 cp ../libs/kde-{core,full}.dep dependencies/
92 ;;
93 kde-koffice )
94 cp ../libs/kde-{core,full}.dep dependencies/
95 echo -e "koffice\nkde-full\nkde-core" > dependencies/kde-koffice.dep
96 ;;
97 xorg7 ) # At atarget level, add also x-config and x-setup
98 echo -e "x-config\nx-setup\nrman\nxterm2\nxorg7-driver\nxorg7-server\nluit\n \
99 xorg7-font\nxorg7-data\nxorg7-app\nxbitmaps\nmesalib\nlibdrm\n \
100 xorg7-lib\nxorg7-util\nxorg7-proto" > dependencies/xorg7.dep
101 ;;
102 * ) # Default
103 xsltproc --stringparam dependencies $DEP_LEVEL \
104 -o dependencies/$TARGET.dep \
105 ../libs/dependencies.xsl ../$PKGXML
106 ;;
107 esac
108
109 #---------------------
110 # Start with a clean $TARGET-index.xml.tmp file
111 > $TARGET-index.xml.tmp
112
113 #---------------------
114 # Write the XInclude
115 case $TARGET in
116 # If there is no usefull XML page, skip it.
117 alsa | gnome-core | gnome-full | kde-core | kde-full | kde-koffice ) ;;
118 * )
119 echo -e " $ENTRY_START$PKGXML$ENTRY_END" >> $TARGET-index.xml.tmp
120 ;;
121 esac
122
123 #------------------P---
124 # Start with a clean depure.txt file
125 > depure.txt
126
127 #---------------------
128 # If have dependencies, write its XInclude and find sub-dependencies
129 if [[ -f dependencies/$TARGET.dep ]]; then
130 mkdir xincludes && do_dependencies $TARGET
131 fi
132
133 echo "done"
134}
135
136
137
138#-----------------------#
139do_dependencies() { # Loop to find sub-dependencies :::WARNING::: THIS IS A RECURVISE FUNCTION
140#-----------------------#
141: <<inline_doc
142 function: Loop through all the packages and create a sub-dependency tree
143 input vars: $1, package name
144 externals: vars: $DEP_LEVEL
145 $TARGET
146 $PRINT_SERVER
147 $KBR5
148 $GHOSTSCRIPT
149 $MAILSERVER
150 file: depure.txt
151 $TARGET-index.xml.tmp
152 $PKG.dep
153 $PKG.inc
154 modifies: files
155 returns: nothing
156 output: file: $PKG-xinc.tmp
157 depure.txt
158 $TARGET-index.xml.tmp
159 on error: exit
160 on success:
161inline_doc
162
163 set -e
164 local PKG=$1
165 local saveIFS=$IFS
166 local DEP_LV=$DEP_LEVEL
167 local line line2 DEP
168
169 #------------------
170 # If a premade xinclude file exists, use it. If not, create one
171 if [[ -f xincludes/$PKG.xinc ]] ; then
172 IFS=$'\x0A'
173 for line in `cat xincludes/$PKG.xinc` ; do
174 IFS=$saveIFS
175 # Remove the Xinclude entry if found. We want the most newer one.
176 # Using double quotes to let bash expand variables.
177 # Remove also the empty line created. Can not be done in one step
178 # due that d requires the pattner between /, but we have a lot of /
179 # inside the pattner.
180 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
181 # Write the XInclude
182 echo -e "$line" >> $TARGET-index.xml.tmp
183 done
184 return
185 fi
186
187 #------------------
188 # Start with a clean $PKG.xinc.tmp file
189 > xincludes/$PKG.xinc.tmp
190 for DEP in `cat dependencies/$PKG.dep`; do
191 # Special packages (a lot of hacks)
192 case $DEP in
193
194 db ) continue ;; # The proper version of DB is installed in LFS
195
196 # Don't have their own XML file
197 hal-requirements | hal-runtime-dependencies ) continue ;;
198 perl-* | tk-perl ) DEP=perl-modules ;;
199
200 # Orphan links (proper link must be created when generating the book)
201 arts ) DEP=aRts ;;
202 kde ) DEP=kde-core ;;
203
204 # Dummy gnome-core pages
205 GNOME-desktop-file-utils ) DEP=desktop-file-utils ;;
206 GNOME-shared-mime-info ) DEP=shared-mime-info ;;
207
208 # Set values for alternative packages
209 # X is a meta-package, thus handled in another way.
210 LPRng | cups ) DEP=$PRINT_SERVER ;;
211 mitkrb | heimdal ) DEP=$KBR5 ;;
212 gs | espgs ) DEP=$GHOSTSCRIPT ;;
213 server-mail ) DEP=$MAIL_SERVER ;;
214 esac
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 [[ "$PKG" = "alsa-plugins" ]] && continue
249 ;;
250 akode )
251 # Both are in the same page
252 [[ "$PKG" = "kdemultimedia" ]] && continue
253 ;;
254 esac
255
256 #------------------
257 # XML file of dependency package
258 DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
259 case $DEP in
260 x-window-system | alsa ) ;; # No page for that (proper link must be created when generating the book)
261 xorg7 ) ;; # This page will be dump in the xorg7.xinc file
262 gnome-core | kde-core | kde-full ) ;; # Invented packages
263 * )
264 # Remove the Xinclude entry if found
265 sed -e "s,^[[:space:]]*$ENTRY_START$DEP_XML$ENTRY_END,," \
266 -e '/./!d' -i xincludes/$PKG.xinc.tmp
267 # Write the XInclude
268 echo -e " $ENTRY_START$DEP_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
269 ;;
270 esac
271
272 #------------------
273 # If not already created, create its dependencies list
274 if [[ ! -f dependencies/$DEP.dep ]] ; then
275 case $DEP in
276 # Skip the creation when all dependencies are circular.
277 alsa-lib | cracklib | libexif | unixodbc ) ;;
278 # Meta-packages at dependency level (ugly *.dep files, but work for now)
279 alsa ) # When dependency "alsa", use all alsa-* packages
280 echo -e "alsa-oss\nalsa-firmware\nalsa-tools\nalsa-utils\n \
281 alsa-plugins\nalsa-lib" > dependencies/alsa.dep
282 ;;
283 kde-core )
284 cp ../libs/kde-core.dep dependencies/
285 ;;
286 x-window-system ) # X11 alternatives
287 echo -e "x-config\nx-setup\n$X11" > dependencies/x-window-system.dep
288 ;;
289 xorg7 )
290 echo -e "rman\nxterm2\nxorg7-driver\nxorg7-server\nluit\nxorg7-font\n \
291 xorg7-data\nxorg7-app\nxbitmaps\nmesalib\nlibdrm\n \
292 xorg7-lib\nxorg7-util\nxorg7-proto" > dependencies/xorg7.dep
293 ;;
294 * ) xsltproc --stringparam dependencies $DEP_LV \
295 -o dependencies/$DEP.dep ../libs/dependencies.xsl ../$DEP_XML
296 ;;
297 esac
298 fi
299
300 #------------------
301 # If needed, process its dependencies
302 if [[ -f dependencies/$DEP.dep ]] ; then
303 # If a premade xinclude file esist, include it
304 if [[ -f xincludes/$DEP.xinc ]] ; then
305 IFS=$'\x0A'
306 for line2 in `cat xincludes/$DEP.xinc` ; do
307 IFS=$saveIFS
308 # Remove the Xinclude entry if found
309 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
310 # Write the XInclude
311 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
312 done
313 #------------------
314 # Create the xinclude file
315 else
316 #
317 # >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
318 #
319 # If the recursion depth is not too great this is an acceptable methodology for a script language
320 # However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
321 #
322 set +e
323 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\nrecursive call: $((++cntr)) ${spaceSTR:0:$cntr} ${RED}$DEP${OFF}"
324 do_dependencies $DEP
325 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\n ret: $cntr ${spaceSTR:0:$((cntr--))} ${GREEN}$DEP${OFF}\tUsing the new xinclude file for PKG $DEP (to solve $PKG)"
326 set -e
327
328 # Include it when done
329 IFS=$'\x0A'
330 for line2 in `cat xincludes/$DEP.xinc` ; do
331 IFS=$saveIFS
332 # Remove the Xinclude entry if found
333 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
334 # Write the XInclude
335 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
336 done
337 fi
338 fi
339 done
340
341 #------------------
342 if [[ "$PKG" = "xorg7" ]] ; then
343 # Add their XInclude
344 PKG_XML=`grep "^$PKG[[:space:]]" ../packages | cut -f2`
345 echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
346 fi
347
348 #------------------
349 mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
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}
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