source: BLFS/func_dependencies@ ea72d77

experimental
Last change on this file since ea72d77 was da8017e, checked in by Manuel Canales Esparcia <manuel@…>, 18 years ago

Cross-references to mail server dependencies has been fixed in the book.

  • 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 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 #---------------------
66 # Create target package dependencies list
67 case $TARGET in
68 # Meta-packages at target level
69 # KDE and Gnome-{core,full} could be made via packages.sh, but not sure yet how.
70 alsa ) # When target "alsa", use all alsa-* packages
71 mkdir dependencies
72 echo -e "alsa-oss\nalsa-firmware\nalsa-tools\nalsa-utils\n \
73 alsa-plugins\nalsa-lib" > dependencies/$TARGET.dep
74 ;;
75 xorg7 ) # At atarget level, add also x-config and x-setup
76 mkdir dependencies
77 echo -e "x-config\nx-setup\nrman\nxterm2\nxorg7-driver\nxorg7-server\nluit\n \
78 xorg7-font\nxorg7-data\nxorg7-app\nxbitmaps\nmesalib\nlibdrm\n \
79 xorg7-lib\nxorg7-util\nxorg7-proto" > dependencies/$TARGET.dep
80 ;;
81 * ) # Default
82 xsltproc --stringparam dependencies $DEP_LEVEL \
83 -o dependencies/$TARGET.dep \
84 ../dependencies.xsl ../$PKGXML
85 ;;
86 esac
87
88 #---------------------
89 # Start with a clean $TARGET-index.xml.tmp file
90 > $TARGET-index.xml.tmp
91
92 #---------------------
93 # Write the XInclude
94 echo -e " $ENTRY_START$PKGXML$ENTRY_END" >> $TARGET-index.xml.tmp
95
96 #------------------P---
97 # Start with a clean depure.txt file
98 > depure.txt
99
100 #---------------------
101 # If have dependencies, write its XInclude and find sub-dependencies
102 if [[ -f dependencies/$TARGET.dep ]]; then
103 echo -e "Start loop for PKG $TARGET\n" >> depure.txt
104 mkdir xincludes && do_dependencies $TARGET
105 fi
106
107 echo "done"
108}
109
110
111
112#-----------------------#
113do_dependencies() { # Loop to find sub-dependencies :::WARNING::: THIS IS A RECURVISE FUNCTION
114#-----------------------#
115: <<inline_doc
116 function: Loop through all the packages and create a sub-dependency tree
117 input vars: $1, package name
118 externals: vars: $DEP_LEVEL
119 $TARGET
120 $PRINT_SERVER
121 $KBR5
122 $GHOSTSCRIPT
123 $MAILSERVER
124 file: depure.txt
125 $TARGET-index.xml.tmp
126 $PKG.dep
127 $PKG.inc
128 modifies: files
129 returns: nothing
130 output: file: $PKG-xinc.tmp
131 depure.txt
132 $TARGET-index.xml.tmp
133 on error: exit
134 on success:
135inline_doc
136
137 set -e
138 local PKG=$1
139 local saveIFS=$IFS
140 local DEP_LV=$DEP_LEVEL
141 local line line2 DEP
142 echo -e "\tPKG is $PKG" >> depure.txt
143 echo -e "\tDEP_LEVEL for $PKG is $DEP_LV\n" >> depure.txt
144
145 #------------------
146 # If a premade xinclude file exists, use it. If not, create one
147 if [[ -f xincludes/$PKG.xinc ]] ; then
148 echo -e "\tReusing xinclude file for PKG $PKG" >> depure.txt
149 IFS=$'\x0A'
150 for line in `cat xincludes/$PKG.xinc` ; do
151 IFS=$saveIFS
152 # Remove the Xinclude entry if found. We want the most newer one.
153 # Using double quotes to let bash expand variables.
154 # Remove also the empty line created. Can not be done in one step
155 # due that d requires the pattner between /, but we have a lot of /
156 # inside the pattner.
157 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
158 # Write the XInclude
159 echo -e "$line" >> $TARGET-index.xml.tmp
160 done
161 return
162 fi
163
164 #------------------
165 # Start with a clean $PKG.xinc.tmp file
166 > xincludes/$PKG.xinc.tmp
167 for DEP in `cat dependencies/$PKG.dep`; do
168 # Special packages (a lot of hacks)
169 case $DEP in
170
171 db ) # The proper version of DB is installed in LFS
172 continue ;;
173 hal-requirements ) # ID value don't have their own XML package file
174 continue ;;
175 perl-* | tk-perl ) DEP=perl-modules ;;
176
177 # Orphan links (proper link must be created when generating the book)
178 arts ) DEP=aRts ;; # That should be fixed in the BLFS book
179 # Set values for alternative packages
180 # X is a meta-package, thus handled in another way.
181 LPRng | cups ) DEP=$PRINT_SERVER ;;
182 mitkrb | heimdal ) DEP=$KBR5 ;;
183 gs | espgs ) DEP=$GHOSTSCRIPT ;;
184 server-mail ) DEP=$MAIL_SERVER ;;
185 esac
186
187 #------------------
188 echo -e "\tDEP for $PKG is $DEP" >> depure.txt
189 # Prevent circular dependencies when level 3
190 case $DEP in
191 python )
192 # cracklib-->python-->tk-->X-->linux-pam-->cracklib
193 [[ "$PKG" = "cracklib" ]] && continue
194 ;;
195 jadetex | perl-* | lynx | Links | w3m )
196 # Optional dependencies are runtime only
197 [[ "$PKG" = "docbook-utils" ]] && continue
198 ;;
199 libxslt )
200 # libxml2-->libxslt-->libxml2
201 [[ "$PKG" = "libxml2" ]] && continue
202 ;;
203 openldap | postgresql | $KBR5 )
204 # cyrus-sasl-->several-->cyrus-sasl
205 [[ "$PKG" = "cyrus-sasl" ]] && continue
206 ;;
207 doxygen )
208 # alsa-lib-->doxygen-->graphviz-->jdk-->alsa-lib
209 # Commented out due that it bomb "jdk 3" Why??
210 #[[ "$PKG" = "alsa-lib" ]] && continue
211 # libexif-->doxygen-->graphviz-->php-->libexif
212 [[ "$PKG" = "libexif" ]] && continue
213 ;;
214 qt )
215 # unixodbc-->qt-->unixodbc
216 [[ "$PKG" = "unixodbc" ]] && continue
217 ;;
218 espgs )
219 # sendmail-->espgs-->cups-->php-->sendmail
220 [[ "$PKG" = "$MAIL_SERVER" ]] && continue
221 ;;
222 graphviz )
223 # libexif-->graphviz-->php-->libexif
224 [[ "$PKG" = "libexif" ]] && continue
225 ;;
226 aRts )
227 # esound-->aRts-->esound
228 [[ "$PKG" = "esound" ]] && continue
229 ;;
230 gimp )
231 # imagemagick-->gimp-->imagemagick
232 [[ "$PKG" = "imagemagick" ]] && continue
233 ;;
234 esac
235
236 #------------------
237 echo -e "\tDEP_LEVEL for $DEP is $DEP_LV" >> depure.txt
238 # XML file of dependency package
239 DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
240 echo -e "\t\tDEP_XML is $DEP_XML\n" >> depure.txt
241 case $DEP in
242 x-window-system ) ;; # No page for that (proper link must be created when generating the book)
243 xorg7 ) ;; # This page will be dump in the xorg7.xinc file
244 * )
245 # Remove the Xinclude entry if found
246 sed -e "s,^[[:space:]]*$ENTRY_START$DEP_XML$ENTRY_END,," \
247 -e '/./!d' -i xincludes/$PKG.xinc.tmp
248 # Write the XInclude
249 echo -e " $ENTRY_START$DEP_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
250 ;;
251 esac
252
253 #------------------
254 # If not already created, create its dependencies list
255 if [[ ! -f dependencies/$DEP.dep ]] ; then
256 case $DEP in
257 alsa-lib ) ;; # Only one optional dependency and is recursive.
258 # When placed inside the circular dependencies handler
259 # some packages may bomb. But I don't know yet why
260 # Meta-packages at dependency level (ugly *.dep files, but work for now)
261 alsa ) # When dependency "alsa", use all alsa-* packages
262 echo -e "alsa-oss\nalsa-firmware\nalsa-tools\nalsa-utils\n \
263 alsa-plugins\nalsa-lib" > dependencies/$DEP.dep
264 ;;
265 x-window-system ) # X11 alternatives
266 echo -e "x-config\nx-setup\n$X11" > dependencies/$DEP.dep
267 ;;
268 xorg7 )
269 echo -e "rman\nxterm2\nxorg7-driver\nxorg7-server\nluit\nxorg7-font\n \
270 xorg7-data\nxorg7-app\nxbitmaps\nmesalib\nlibdrm\n \
271 xorg7-lib\nxorg7-util\nxorg7-proto" > dependencies/$DEP.dep
272 ;;
273 * ) xsltproc --stringparam dependencies $DEP_LV \
274 -o dependencies/$DEP.dep ../dependencies.xsl ../$DEP_XML
275 ;;
276 esac
277 fi
278
279 #------------------
280 # If needed, process its dependencies
281 if [[ -f dependencies/$DEP.dep ]] ; then
282 # If a premade xinclude file esist, include it
283 if [[ -f xincludes/$DEP.xinc ]] ; then
284 echo -e "\tReusing xinclude file for PKG $DEP (to solve $PKG)\n" >> depure.txt
285 IFS=$'\x0A'
286 for line2 in `cat xincludes/$DEP.xinc` ; do
287 IFS=$saveIFS
288 # Remove the Xinclude entry if found
289 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
290 # Write the XInclude
291 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
292 done
293 #------------------
294 # Create the xinclude file
295 else
296 echo -e "\nStart new loop for PKG $DEP (to solve $PKG)\n" >> depure.txt
297 #
298 # >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
299 #
300 # If the recursion depth is not too great this is an acceptable methodology for a script language
301 # However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
302 #
303 set +e
304 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\nrecursive call: $((++cntr)) ${spaceSTR:0:$cntr} ${RED}$DEP${OFF}"
305 do_dependencies $DEP
306 [[ "${VERBOSITY}" > 0 ]] && echo -ne "\nrecursive ret: $cntr ${spaceSTR:0:$((cntr--))} ${GREEN}$DEP${OFF}\tUsing the new xinclude file for PKG $DEP (to solve $PKG)"
307 set -e
308
309 # Include it when done
310 echo -e "\tUsing the new xinclude file for PKG $DEP (to solve $PKG)\n" >> depure.txt
311 IFS=$'\x0A'
312 for line2 in `cat xincludes/$DEP.xinc` ; do
313 IFS=$saveIFS
314 # Remove the Xinclude entry if found
315 sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
316 # Write the XInclude
317 echo -e "$line2" >> xincludes/$PKG.xinc.tmp
318 done
319 fi
320 fi
321 done
322
323 #------------------
324 if [[ "$PKG" = "xorg7" ]] ; then
325 # Add their XInclude
326 PKG_XML=`grep "^$PKG[[:space:]]" ../packages | cut -f2`
327 echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
328 fi
329
330 #------------------
331 mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
332 echo -e "Using the new xinclude file for PKG $PKG" >> depure.txt
333 IFS=$'\x0A'
334 for line in `cat xincludes/$PKG.xinc` ; do
335 IFS=$saveIFS
336 # Remove the Xinclude entry if found.
337 sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
338 # Write the XInclude
339 echo -e "$line" >> $TARGET-index.xml.tmp
340 done
341
342 echo -e "\nEnd loop for PKG $PKG\n" >> depure.txt
343}
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