summaryrefslogtreecommitdiff
path: root/gnu/usr.bin/perl/makedepend.SH
blob: 7129e08a8456b3f207bce51c8843d7432d6432d8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
#! /bin/sh
case $CONFIGDOTSH in
'')
	if test -f config.sh; then TOP=.;
	elif test -f ../config.sh; then TOP=..;
	elif test -f ../../config.sh; then TOP=../..;
	elif test -f ../../../config.sh; then TOP=../../..;
	elif test -f ../../../../config.sh; then TOP=../../../..;
	else
		echo "Can't find config.sh."; exit 1
	fi
	. $TOP/config.sh
	;;
esac
: This forces SH files to create target in same directory as SH file.
: This is so that make depend always knows where to find SH derivatives.
case "$0" in
*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
esac

echo "Extracting makedepend (with variable substitutions)"
rm -f makedepend
$spitshell >makedepend <<!GROK!THIS!
$startsh
# makedepend.SH
#
MAKE=$make
trnl='$trnl'
!GROK!THIS!
$spitshell >>makedepend <<'!NO!SUBS!'

# This script should be called with 
#     sh ./makedepend MAKE=$(MAKE)
case "$1" in 
	MAKE=*) eval $1 ;;
esac

export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh \$0; kill \$\$)

case $CONFIGDOTSH in
'')
	if test -f config.sh; then TOP=.;
	elif test -f ../config.sh; then TOP=..;
	elif test -f ../../config.sh; then TOP=../..;
	elif test -f ../../../config.sh; then TOP=../../..;
	elif test -f ../../../../config.sh; then TOP=../../../..;
	else
		echo "Can't find config.sh."; exit 1
	fi
	. $TOP/config.sh
	;;
esac

# We need .. when we are in the x2p directory if we are using the
# cppstdin wrapper script.
# Put .. and . first so that we pick up the present cppstdin, not
# an older one lying about in /usr/local/bin.
PATH=".$path_sep..$path_sep$PATH"
export PATH

$cat /dev/null >.deptmp
$rm -f *.c.c c/*.c.c
if test -f Makefile; then
    rm -f $firstmakefile
    cp Makefile $firstmakefile
    # On QNX, 'cp' preserves timestamp, so $firstmakefile appears
    # to be out of date.  I don't know if OS/2 has touch, so do this:
    case "$osname" in
    os2) ;;
    netbsd) ;;
    *) $touch $firstmakefile ;;
    esac
fi
mf=$firstmakefile
if test -f $mf; then
    defrule=`<$mf sed -n		\
	-e '/^\.c\$(OBJ_EXT):.*;/{'	\
	-e    's/\$\*\.c//'		\
	-e    's/^[^;]*;[	 ]*//p'	\
	-e    q				\
	-e '}'				\
	-e '/^\.c\$(OBJ_EXT): *$/{'	\
	-e    N				\
	-e    's/\$\*\.c//'		\
	-e    's/^.*\n[	 ]*//p'		\
	-e    q				\
	-e '}'`
fi
case "$defrule" in
'') defrule='$(CC) -c $(CFLAGS)' ;;
esac

: Create files in UU directory to avoid problems with long filenames
: on systems with 14 character filename limits so file.c.c and file.c
: might be identical
$test -d UU || mkdir UU

$MAKE clist || ($echo "Searching for .c files..."; \
	$echo *.c | $tr ' ' $trnl | $egrep -v '\*' >.clist)
for file in `$cat .clist`; do
# for file in `cat /dev/null`; do
	if [ "$osname" = uwin ]; then
		uwinfix="-e s,\\\\\\\\,/,g -e s,\\([a-zA-Z]\\):/,/\\1/,g"
	else
		if [ "$osname" = os2 ]; then
			uwinfix="-e s,\\\\\\\\,/,g"
		else
			if [ "$archname" = cygwin ]; then
				uwinfix="-e s,\\\\\\\\,/,g"
			else
				uwinfix=
			fi
		fi
	fi
    case "$file" in
    *.c) filebase=`basename $file .c` ;;
    *.y) filebase=`basename $file .y` ;;
    esac
    case "$file" in
    */*) finc="-I`echo $file | sed 's#/[^/]*$##`" ;;
    *)   finc= ;;
    esac
    $echo "Finding dependencies for $filebase$_o."
    ( $echo "#line 1 \"$file\""; \
      $sed -n <$file \
	-e "/^${filebase}_init(/q" \
	-e '/^#line/d' \
	-e '/^#/{' \
	-e 's|/\*.*$||' \
	-e 's|\\$||' \
	-e p \
	-e '}' ) >UU/$file.c
    if [ "$osname" = os390 -a "$file" = perly.c ]; then
        $echo '#endif' >>UU/$file.c
    fi
    $cppstdin $finc -I. $cppflags $cppminus <UU/$file.c |
    $sed \
	-e '1d' \
	-e '/^#.*<stdin>/d' \
	-e '/^#.*"-"/d' \
	-e 's#\.[0-9][0-9]*\.c#'"$file.c#" \
	-e 's/^[	 ]*#[	 ]*line/#/' \
	-e '/^# *[0-9][0-9]* *[".\/]/!d' \
	-e 's/^.*"\(.*\)".*$/'$filebase'\$(OBJ_EXT): \1/' \
	-e 's/^# *[0-9][0-9]* \(.*\)$/'$filebase'\$(OBJ_EXT): \1/' \
	-e 's|: \./|: |' \
	-e 's|\.c\.c|.c|' $uwinfix | \
    $uniq | $sort | $uniq >> .deptmp
done

$sed <$mf >$mf.new -e '1,/^# AUTOMATICALLY/!d'

$MAKE shlist || ($echo "Searching for .SH files..."; \
	$echo *.SH | $tr ' ' $trnl | $egrep -v '\*' >.shlist)

# Now extract the dependencies on makedepend.SH and Makefile.SH
# (they should reside in the main Makefile):
rm -f .shlist.old
mv .shlist .shlist.old
$egrep -v '^makedepend\.SH' <.shlist.old >.shlist
rm -f .shlist.old
mv .shlist .shlist.old
$egrep -v '^Makefile\.SH' <.shlist.old >.shlist
rm -f .shlist.old
mv .shlist .shlist.old
$egrep -v '^perl_exp\.SH' <.shlist.old >.shlist
rm -f .shlist.old
mv .shlist .shlist.old
$egrep -v '^config_h\.SH' <.shlist.old >.shlist
rm .shlist.old

if $test -s .deptmp; then
    for file in `cat .shlist`; do
	$echo `$expr X$file : 'X\(.*\).SH'`: $file $TOP/config.sh \; \
	    $sh $file >> .deptmp
    done
    $echo "Updating $mf..."
    $echo "# If this runs make out of memory, delete /usr/include lines." \
	>> $mf.new
    $sed 's|^\(.*\$(OBJ_EXT):\) *\(.*/.*\.c\) *$|\1 \2; '"$defrule \2|" .deptmp \
       >>$mf.new
else
    $MAKE hlist || ($echo "Searching for .h files..."; \
	$echo *.h | $tr ' ' $trnl | $egrep -v '\*' >.hlist)
    $echo "You don't seem to have a proper C preprocessor.  Using grep instead."
    $egrep '^#include ' `cat .clist` `cat .hlist`  >.deptmp
    $echo "Updating $mf..."
    <.clist $sed -n							\
	-e '/\//{'							\
	-e   's|^\(.*\)/\(.*\)\.c|\2\$(OBJ_EXT): \1/\2.c; '"$defrule \1/\2.c|p"	\
	-e   d								\
	-e '}'								\
	-e 's|^\(.*\)\.c|\1\$(OBJ_EXT): \1.c|p' >> $mf.new
    <.hlist $sed -n 's|\(.*/\)\(.*\)|s= \2= \1\2=|p' >.hsed
    <.deptmp $sed -n 's|c:#include "\(.*\)".*$|o: \1|p' | \
       $sed 's|^[^;]*/||' | \
       $sed -f .hsed >> $mf.new
    <.deptmp $sed -n 's|h:#include "\(.*\)".*$|h: \1|p' | \
       $sed -f .hsed >> $mf.new
    for file in `$cat .shlist`; do
	$echo `$expr X$file : 'X\(.*\).SH'`: $file $TOP/config.sh \; \
	    $sh $file >> $mf.new
    done
fi
$rm -f $mf.old
$cp $mf $mf.old
$rm -f $mf
$cp $mf.new $mf
$rm $mf.new
$echo "# WARNING: Put nothing here or make depend will gobble it up!" >> $mf
$rm -rf .deptmp UU .shlist .clist .hlist .hsed

!NO!SUBS!
$eunicefix makedepend
chmod +x makedepend
case `pwd` in
*SH)
    $rm -f ../makedepend
    ln makedepend ../makedepend
    ;;
esac