source: BLFS/libs/func_dependencies@ 5f14bd3

experimental
Last change on this file since 5f14bd3 was 5f14bd3, checked in by Manuel Canales Esparcia <manuel@…>, 18 years ago

Skip installed packages when processing dependencies instead of when generating the Makefile.
Fixed a bug when TARGET=xorg7

  • Property mode set to 100644
File size: 10.7 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=$DEP_LEVEL
156 local line line2 DEP pkg_ver
157 local TRACKING_DIR=/var/lib/jhalfs/BLFS
158
159 #------------------
160 # If a premade xinclude file exists, use it. If not, create one
161 if [[ -f xincludes/$PKG.xinc ]] ; then
162 IFS=$'\x0A'
163 for line in `cat xincludes/$PKG.xinc` ; do
164 IFS=$saveIFS
165 # Remove the Xinclude entry if found. We want the most newer one.
166 # Using double quotes to let bash expand variables.
167 # Remove also the empty line created. Can not be done in one step
168 # due that d requires the pattner between /, but we have a lot of /
169 # inside the pattner.
170 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
171 # Write the XInclude
172 echo -e "$line" >> $TARGET-index.xml.tmp
173 done
174 return
175 fi
176
177 #------------------
178 # Start with a clean $PKG.xinc.tmp file
179 > xincludes/$PKG.xinc.tmp
180 for DEP in `cat dependencies/$PKG.dep`; do
181 # If DEP has been previouly installed, skip it
182 pkg_ver=$(grep "^${DEP}[[:space:]]" ../packages | cut -f3)
183 [ -e $TRACKING_DIR/${DEP}-$pkg_ver ] && continue
184 # Special packages (a lot of hacks)
185 case $DEP in
186
187 db ) continue ;; # The proper version of DB is installed in LFS
188
189 # Don't have their own XML file
190 hal-requirements | hal-runtime-dependencies ) continue ;;
191 perl-* | tk-perl ) DEP=perl-modules ;;
192
193 # Orphan links (proper link must be created when generating the book)
194 arts ) DEP=aRts ;;
195 kde ) DEP=kde-core ;;
196
197 # Set values for alternative packages
198 # X is a meta-package, thus handled in another way.
199 LPRng | cups ) DEP=$PRINT_SERVER ;;
200 mitkrb | heimdal ) DEP=$KBR5 ;;
201 gs | espgs ) DEP=$GHOSTSCRIPT ;;
202 server-mail ) DEP=$MAIL_SERVER ;;
203 esac
204
205 #------------------
206 # Prevent circular dependencies
207 # If all dependencies are circular, the creation of the *.dep file
208 # must be skipped, not placed here, to avoid that the script will bomb
209 # due empty *.xinc files
210 case $DEP in
211 jadetex | perl-* | lynx | Links | w3m )
212 # Optional dependencies are runtime only
213 [[ "$PKG" = "docbook-utils" ]] && continue
214 ;;
215 libxslt )
216 # libxml2-->libxslt-->libxml2
217 [[ "$PKG" = "libxml2" ]] && continue
218 ;;
219 openldap | postgresql | $KBR5 )
220 # cyrus-sasl-->several-->cyrus-sasl
221 [[ "$PKG" = "cyrus-sasl" ]] && continue
222 ;;
223 espgs )
224 # sendmail-->espgs-->cups-->php-->sendmail
225 [[ "$PKG" = "$MAIL_SERVER" ]] && continue
226 ;;
227 aRts )
228 # esound-->aRts-->esound
229 [[ "$PKG" = "esound" ]] && continue
230 ;;
231 gimp | sane )
232 # imagemagick-->{sane}-->gimp-->imagemagick
233 [[ "$PKG" = "imagemagick" ]] && continue
234 ;;
235 ffmpeg )
236 # alsa-plugins-->ffmpeg-->several-->alsa-plugins
237 [[ "$PKG" = "alsa-plugins" ]] && continue
238 ;;
239 akode )
240 # Both are in the same page
241 [[ "$PKG" = "kdemultimedia" ]] && continue
242 ;;
243 esac
244
245 #------------------
246 # XML file of dependency package
247 DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
248 case $DEP in
249 x-window-system | alsa ) ;; # No page for that (proper link must be created when generating the book)
250 xorg7 ) ;; # This page will be dump in the xorg7.xinc file
251 gnome-core | kde-core | kde-full ) ;; # Invented packages
252 * )
253 # Remove the Xinclude entry if found
254 sed -e "s,^[[:space:]]*$ENTRY_START$DEP_XML$ENTRY_END,," \
255 -e '/./!d' -i xincludes/$PKG.xinc.tmp
256 # Write the XInclude
257 echo -e " $ENTRY_START$DEP_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
258 ;;
259 esac
260
261 #------------------
262 # If not already created, create its dependencies list
263 if [[ ! -f dependencies/$DEP.dep ]] ; then
264 case $DEP in
265 # Skip the creation when all dependencies are circular.
266 alsa-lib | cracklib | libexif | unixodbc ) ;;
267 # Meta-packages at dependency level
268 alsa )
269 cp ../libs/alsa.dep dependencies/
270 ;;
271 kde-core )
272 cp ../libs/kde-core.dep dependencies/
273 ;;
274 x-window-system ) # X11 alternatives
275 echo -e "x-config\nx-setup\n$X11" > dependencies/x-window-system.dep
276 ;;
277 xorg7 ) # At dependencies level, remove x-config and x-setup
278 cp ../libs/xorg7.dep dependencies/
279 sed -i '/x-config/d;/x-setup/d' dependencies/xorg7.dep
280 ;;
281 * ) xsltproc --stringparam dependencies $DEP_LV \
282 -o dependencies/$DEP.dep ../libs/dependencies.xsl ../$DEP_XML
283 ;;
284 esac
285 fi
286
287 #------------------
288 # If needed, process its dependencies
289 if [[ -f dependencies/$DEP.dep ]] ; then
290 # If a premade xinclude file esist, include it
291 if [[ -f xincludes/$DEP.xinc ]] ; then
292 IFS=$'\x0A'
293 for line2 in `cat xincludes/$DEP.xinc` ; do
294 IFS=$saveIFS
295 # Remove the Xinclude entry if found
296 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
297 # Write the XInclude
298 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
299 done
300 #------------------
301 # Create the xinclude file
302 else
303 #
304 # >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
305 #
306 # If the recursion depth is not too great this is an acceptable methodology for a script language
307 # However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
308 #
309 set +e
310 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\ncall: $((++cntr))${spaceSTR:0:$cntr}${RED}$DEP${OFF}"
311 do_dependencies $DEP
312 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\n ret: $cntr${spaceSTR:0:$((cntr--))}${GREEN}$DEP${OFF} Using $DEP Xinc to solve $PKG"
313 set -e
314
315 # Include it when done
316 IFS=$'\x0A'
317 for line2 in `cat xincludes/$DEP.xinc` ; do
318 IFS=$saveIFS
319 # Remove the Xinclude entry if found
320 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
321 # Write the XInclude
322 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
323 done
324 fi
325 fi
326 done
327
328 #------------------
329 if [[ "$PKG" = "xorg7" ]] ; then
330 # Add their XInclude
331 PKG_XML=${BLFS_XML}/x/installing/xorg7.xml
332 echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
333 fi
334
335 #------------------
336 mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
337 IFS=$'\x0A'
338 for line in `cat xincludes/$PKG.xinc` ; do
339 IFS=$saveIFS
340 # Remove the Xinclude entry if found.
341 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
342 # Write the XInclude
343 echo -e "$line" >> $TARGET-index.xml.tmp
344 done
345}
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