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[perl5.git] / makedepend.SH
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1e2cbf11 1#! /bin/sh
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2case $CONFIG in
3'')
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4 if test -f config.sh; then TOP=.;
5 elif test -f ../config.sh; then TOP=..;
6 elif test -f ../../config.sh; then TOP=../..;
7 elif test -f ../../../config.sh; then TOP=../../..;
8 elif test -f ../../../../config.sh; then TOP=../../../..;
9 else
10 echo "Can't find config.sh."; exit 1
11 fi
12 . $TOP/config.sh
13 ;;
8d063cd8 14esac
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15: This forces SH files to create target in same directory as SH file.
16: This is so that make depend always knows where to find SH derivatives.
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17case "$0" in
18*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
19esac
1e2cbf11 20
8d063cd8 21echo "Extracting makedepend (with variable substitutions)"
7b0cd887 22rm -f makedepend
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23$spitshell >makedepend <<!GROK!THIS!
24$startsh
a0d0e21e 25# makedepend.SH
8d063cd8 26#
6b9d15cb 27MAKE=$make
28e8609d 28trnl='$trnl'
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29!GROK!THIS!
30$spitshell >>makedepend <<'!NO!SUBS!'
8d063cd8 31
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32# This script should be called with
33# sh ./makedepend MAKE=$(MAKE)
34case "$1" in
35 MAKE=*) eval $1 ;;
36esac
37
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38export PATH || (echo "OOPS, this isn't sh. Desperation time. I will feed myself to sh."; sh \$0; kill \$\$)
39
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40case $CONFIG in
41'')
42 if test -f config.sh; then TOP=.;
43 elif test -f ../config.sh; then TOP=..;
44 elif test -f ../../config.sh; then TOP=../..;
45 elif test -f ../../../config.sh; then TOP=../../..;
46 elif test -f ../../../../config.sh; then TOP=../../../..;
47 else
48 echo "Can't find config.sh."; exit 1
49 fi
50 . $TOP/config.sh
51 ;;
52esac
8d063cd8 53
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54# We need .. when we are in the x2p directory if we are using the
55# cppstdin wrapper script.
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56# Put .. and . first so that we pick up the present cppstdin, not
57# an older one lying about in /usr/local/bin.
39e571d4 58PATH=".$path_sep..$path_sep$PATH"
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59export PATH
60
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61$cat /dev/null >.deptmp
62$rm -f *.c.c c/*.c.c
63if test -f Makefile; then
1e2cbf11 64 rm -f $firstmakefile
337e9004 65 cp Makefile $firstmakefile
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66 # On QNX, 'cp' preserves timestamp, so $firstmakefile appears
67 # to be out of date. I don't know if OS/2 has touch, so do this:
68 case "$osname" in
69 os2) ;;
099685bc 70 netbsd) ;;
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71 *) $touch $firstmakefile ;;
72 esac
8d063cd8 73fi
337e9004 74mf=$firstmakefile
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75if test -f $mf; then
76 defrule=`<$mf sed -n \
2d9864fe 77 -e '/^\.c\$(OBJ_EXT):.*;/{' \
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78 -e 's/\$\*\.c//' \
79 -e 's/^[^;]*;[ ]*//p' \
80 -e q \
81 -e '}' \
2d9864fe 82 -e '/^\.c\$(OBJ_EXT): *$/{' \
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83 -e N \
84 -e 's/\$\*\.c//' \
85 -e 's/^.*\n[ ]*//p' \
86 -e q \
87 -e '}'`
88fi
89case "$defrule" in
90'') defrule='$(CC) -c $(CFLAGS)' ;;
91esac
92
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93: Create files in UU directory to avoid problems with long filenames
94: on systems with 14 character filename limits so file.c.c and file.c
95: might be identical
96$test -d UU || mkdir UU
97
1aef975c 98$MAKE clist || ($echo "Searching for .c files..."; \
28e8609d 99 $echo *.c | $tr ' ' $trnl | $egrep -v '\*' >.clist)
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100for file in `$cat .clist`; do
101# for file in `cat /dev/null`; do
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102 if [ "$osname" = uwin ]; then
103 uwinfix="-e s,\\\\\\\\,/,g -e s,\\([a-zA-Z]\\):/,/\\1/,g"
104 else
105 uwinfix=
106 fi
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107 case "$file" in
108 *.c) filebase=`basename $file .c` ;;
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109 *.y) filebase=`basename $file .y` ;;
110 esac
111 case "$file" in
112 */*) finc="-I`echo $file | sed 's#/[^/]*$##`" ;;
113 *) finc= ;;
8d063cd8 114 esac
dfe9444c 115 $echo "Finding dependencies for $filebase$_o."
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116 ( $echo "#line 1 \"$file\""; \
117 $sed -n <$file \
8d063cd8 118 -e "/^${filebase}_init(/q" \
2304df62 119 -e '/^#line/d' \
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120 -e '/^#/{' \
121 -e 's|/\*.*$||' \
122 -e 's|\\$||' \
123 -e p \
85e6fe83 124 -e '}' ) >UU/$file.c
693762b4 125 $cppstdin $finc -I. $cppflags $cppminus <UU/$file.c |
8d063cd8 126 $sed \
75f92628 127 -e '/^#.*<stdin>/d' \
fb73857a 128 -e '/^#.*"-"/d' \
7b0cd887 129 -e 's#\.[0-9][0-9]*\.c#'"$file.c#" \
55204971 130 -e 's/^[ ]*#[ ]*line/#/' \
7b0cd887 131 -e '/^# *[0-9][0-9]* *[".\/]/!d' \
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132 -e 's/^.*"\(.*\)".*$/'$filebase'\$(OBJ_EXT): \1/' \
133 -e 's/^# *[0-9][0-9]* \(.*\)$/'$filebase'\$(OBJ_EXT): \1/' \
8d063cd8 134 -e 's|: \./|: |' \
2ebcf328 135 -e 's|\.c\.c|.c|' $uwinfix | \
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136 $uniq | $sort | $uniq >> .deptmp
137done
138
352d5a3a 139$sed <$mf >$mf.new -e '1,/^# AUTOMATICALLY/!d'
8d063cd8 140
1aef975c 141$MAKE shlist || ($echo "Searching for .SH files..."; \
28e8609d 142 $echo *.SH | $tr ' ' $trnl | $egrep -v '\*' >.shlist)
337e9004 143
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144# Now extract the dependencies on makedepend.SH and Makefile.SH
145# (they should reside in the main Makefile):
28e8609d 146rm -f .shlist.old
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147mv .shlist .shlist.old
148$egrep -v '^makedepend\.SH' <.shlist.old >.shlist
28e8609d 149rm -f .shlist.old
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150mv .shlist .shlist.old
151$egrep -v '^Makefile\.SH' <.shlist.old >.shlist
28e8609d 152rm -f .shlist.old
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153mv .shlist .shlist.old
154$egrep -v '^perl_exp\.SH' <.shlist.old >.shlist
28e8609d 155rm -f .shlist.old
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156mv .shlist .shlist.old
157$egrep -v '^config_h\.SH' <.shlist.old >.shlist
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158rm .shlist.old
159
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160if $test -s .deptmp; then
161 for file in `cat .shlist`; do
a0d0e21e 162 $echo `$expr X$file : 'X\(.*\).SH'`: $file $TOP/config.sh \; \
6b9d15cb 163 $sh $file >> .deptmp
8d063cd8 164 done
352d5a3a 165 $echo "Updating $mf..."
8d063cd8 166 $echo "# If this runs make out of memory, delete /usr/include lines." \
352d5a3a 167 >> $mf.new
2d9864fe 168 $sed 's|^\(.*\$(OBJ_EXT):\) *\(.*/.*\.c\) *$|\1 \2; '"$defrule \2|" .deptmp \
352d5a3a 169 >>$mf.new
8d063cd8 170else
1aef975c 171 $MAKE hlist || ($echo "Searching for .h files..."; \
28e8609d 172 $echo *.h | $tr ' ' $trnl | $egrep -v '\*' >.hlist)
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173 $echo "You don't seem to have a proper C preprocessor. Using grep instead."
174 $egrep '^#include ' `cat .clist` `cat .hlist` >.deptmp
352d5a3a 175 $echo "Updating $mf..."
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176 <.clist $sed -n \
177 -e '/\//{' \
337e9004 178 -e 's|^\(.*\)/\(.*\)\.c|\2\$(OBJ_EXT): \1/\2.c; '"$defrule \1/\2.c|p" \
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179 -e d \
180 -e '}' \
337e9004 181 -e 's|^\(.*\)\.c|\1\$(OBJ_EXT): \1.c|p' >> $mf.new
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182 <.hlist $sed -n 's|\(.*/\)\(.*\)|s= \2= \1\2=|p' >.hsed
183 <.deptmp $sed -n 's|c:#include "\(.*\)".*$|o: \1|p' | \
184 $sed 's|^[^;]*/||' | \
352d5a3a 185 $sed -f .hsed >> $mf.new
8d063cd8 186 <.deptmp $sed -n 's|h:#include "\(.*\)".*$|h: \1|p' | \
352d5a3a 187 $sed -f .hsed >> $mf.new
8d063cd8 188 for file in `$cat .shlist`; do
a0d0e21e 189 $echo `$expr X$file : 'X\(.*\).SH'`: $file $TOP/config.sh \; \
6b9d15cb 190 $sh $file >> $mf.new
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191 done
192fi
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193$rm -f $mf.old
194$cp $mf $mf.old
1e2cbf11 195$rm -f $mf
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196$cp $mf.new $mf
197$rm $mf.new
198$echo "# WARNING: Put nothing here or make depend will gobble it up!" >> $mf
85e6fe83 199$rm -rf .deptmp UU .shlist .clist .hlist .hsed
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200
201!NO!SUBS!
202$eunicefix makedepend
378cc40b 203chmod +x makedepend
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204case `pwd` in
205*SH)
206 $rm -f ../makedepend
207 ln makedepend ../makedepend
208 ;;
209esac