source: BLFS/libs/func_dependencies@ db6b934

experimental
Last change on this file since db6b934 was db6b934, checked in by George Boudreau <georgeb@…>, 18 years ago

remove useless trace

  • Property mode set to 100644
File size: 12.1 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 $DEP in
195
196 db ) # The proper version of DB is installed in LFS
197 continue ;;
198 hal-requirements | hal-runtime-dependencies ) # Don't have their own XML file
199 continue ;;
200 perl-* | tk-perl ) DEP=perl-modules ;;
201
202 # Orphan links (proper link must be created when generating the book)
203 arts ) DEP=aRts ;;
204 kde ) DEP=kde-core ;;
205 # Set values for alternative packages
206 # X is a meta-package, thus handled in another way.
207 LPRng | cups ) DEP=$PRINT_SERVER ;;
208 mitkrb | heimdal ) DEP=$KBR5 ;;
209 gs | espgs ) DEP=$GHOSTSCRIPT ;;
210 server-mail ) DEP=$MAIL_SERVER ;;
211 esac
212
213 #------------------
214 echo -e "\tDEP for $PKG is $DEP" >> depure.txt
215 # Prevent circular dependencies
216 # If all dependencies are circular, the creation of the *.dep file
217 # must be skipped, not placed here, to avoid that the script will bomb
218 # due empty *.xinc files
219 case $DEP in
220 jadetex | perl-* | lynx | Links | w3m )
221 # Optional dependencies are runtime only
222 [[ "$PKG" = "docbook-utils" ]] && continue
223 ;;
224 libxslt )
225 # libxml2-->libxslt-->libxml2
226 [[ "$PKG" = "libxml2" ]] && continue
227 ;;
228 openldap | postgresql | $KBR5 )
229 # cyrus-sasl-->several-->cyrus-sasl
230 [[ "$PKG" = "cyrus-sasl" ]] && continue
231 ;;
232 espgs )
233 # sendmail-->espgs-->cups-->php-->sendmail
234 [[ "$PKG" = "$MAIL_SERVER" ]] && continue
235 ;;
236 aRts )
237 # esound-->aRts-->esound
238 [[ "$PKG" = "esound" ]] && continue
239 ;;
240 gimp | sane )
241 # imagemagick-->{sane}-->gimp-->imagemagick
242 [[ "$PKG" = "imagemagick" ]] && continue
243 ;;
244 ffmpeg )
245 # alsa-plugins-->ffmpeg-->several-->alsa-plugins
246 [[ "$PKG" = "alsa-plugins" ]] && continue
247 ;;
248 akode )
249 # Both are in the same page
250 [[ "$PKG" = "kdemultimedia" ]] && continue
251 ;;
252 esac
253
254 #------------------
255 echo -e "\tDEP_LEVEL for $DEP is $DEP_LV" >> depure.txt
256 # XML file of dependency package
257 DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
258 echo -e "\t\tDEP_XML is $DEP_XML\n" >> depure.txt
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 echo -e "\tReusing xinclude file for PKG $DEP (to solve $PKG)\n" >> depure.txt
306 IFS=$'\x0A'
307 for line2 in `cat xincludes/$DEP.xinc` ; do
308 IFS=$saveIFS
309 # Remove the Xinclude entry if found
310 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
311 # Write the XInclude
312 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
313 done
314 #------------------
315 # Create the xinclude file
316 else
317 echo -e "\nStart new loop for PKG $DEP (to solve $PKG)\n" >> depure.txt
318 #
319 # >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
320 #
321 # If the recursion depth is not too great this is an acceptable methodology for a script language
322 # However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
323 #
324 set +e
325 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\nrecursive call: $((++cntr)) ${spaceSTR:0:$cntr} ${RED}$DEP${OFF}"
326 do_dependencies $DEP
327 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\n ret: $cntr ${spaceSTR:0:$((cntr--))} ${GREEN}$DEP${OFF}\tUsing the new xinclude file for PKG $DEP (to solve $PKG)"
328 set -e
329
330 # Include it when done
331 echo -e "\tUsing the new xinclude file for PKG $DEP (to solve $PKG)\n" >> depure.txt
332 IFS=$'\x0A'
333 for line2 in `cat xincludes/$DEP.xinc` ; do
334 IFS=$saveIFS
335 # Remove the Xinclude entry if found
336 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
337 # Write the XInclude
338 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
339 done
340 fi
341 fi
342 done
343
344 #------------------
345 if [[ "$PKG" = "xorg7" ]] ; then
346 # Add their XInclude
347 PKG_XML=`grep "^$PKG[[:space:]]" ../packages | cut -f2`
348 echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
349 fi
350
351 #------------------
352 mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
353 echo -e "Using the new xinclude file for PKG $PKG" >> depure.txt
354 IFS=$'\x0A'
355 for line in `cat xincludes/$PKG.xinc` ; do
356 IFS=$saveIFS
357 # Remove the Xinclude entry if found.
358 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
359 # Write the XInclude
360 echo -e "$line" >> $TARGET-index.xml.tmp
361 done
362
363 echo -e "\nEnd loop for PKG $PKG\n" >> depure.txt
364}
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