1#! /bin/sh
2case $PERL_CONFIG_SH in
3'')
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	;;
14esac
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.
17case "$0" in
18*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
19esac
20
21echo "Extracting makedepend (with variable substitutions)"
22rm -f makedepend
23$spitshell >makedepend <<!GROK!THIS!
24$startsh
25# makedepend.SH
26#
27MAKE=$make
28trnl='$trnl'
29!GROK!THIS!
30$spitshell >>makedepend <<'!NO!SUBS!'
31
32if test -d .depending; then
33	echo "$0: Already running, exiting."
34	exit 0
35fi
36
37mkdir .depending
38
39# This script should be called with
40#     sh ./makedepend MAKE=$(MAKE)
41case "$1" in
42	MAKE=*) eval $1; shift ;;
43esac
44
45export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh \$0; kill \$\$)
46
47case $PERL_CONFIG_SH in
48'')
49	if test -f config.sh; then TOP=.;
50	elif test -f ../config.sh; then TOP=..;
51	elif test -f ../../config.sh; then TOP=../..;
52	elif test -f ../../../config.sh; then TOP=../../..;
53	elif test -f ../../../../config.sh; then TOP=../../../..;
54	else
55		echo "Can't find config.sh."; exit 1
56	fi
57	. $TOP/config.sh
58	;;
59esac
60
61# Avoid localized gcc messages
62case "$ccname" in
63    gcc) LC_ALL=C ; export LC_ALL ;;
64esac
65
66# We need .. when we are in the x2p directory if we are using the
67# cppstdin wrapper script.
68# Put .. and . first so that we pick up the present cppstdin, not
69# an older one lying about in /usr/local/bin.
70PATH=".$path_sep..$path_sep$PATH"
71export PATH
72
73case "$osname" in
74amigaos) cat=/bin/cat ;; # must be absolute
75esac
76
77$cat /dev/null >.deptmp
78$rm -f *.c.c c/*.c.c
79if test -f Makefile; then
80    rm -f $firstmakefile
81    cp Makefile $firstmakefile
82    # On QNX, 'cp' preserves timestamp, so $firstmakefile appears
83    # to be out of date.  I don't know if OS/2 has touch, so do this:
84    case "$osname" in
85    os2) ;;
86    *) $touch $firstmakefile ;;
87    esac
88fi
89mf=$firstmakefile
90if test -f $mf; then
91    defrule=`<$mf sed -n		\
92	-e '/^\.c\$(OBJ_EXT):.*;/{'	\
93	-e    's/\$\*\.c//'		\
94	-e    's/^[^;]*;[	 ]*//p'	\
95	-e    q				\
96	-e '}'				\
97	-e '/^\.c\$(OBJ_EXT): *$/{'	\
98	-e    N				\
99	-e    's/\$\*\.c//'		\
100	-e    's/^.*\n[	 ]*//p'		\
101	-e    q				\
102	-e '}'`
103fi
104case "$defrule" in
105'') defrule='$(CC) -c $(CFLAGS)' ;;
106esac
107
108: Create files in UU directory to avoid problems with long filenames
109: on systems with 14 character filename limits so file.c.c and file.c
110: might be identical
111$test -d UU || mkdir UU
112
113$MAKE clist || ($echo "Searching for .c files..."; \
114	$echo *.c | $tr ' ' $trnl | $egrep -v '\*' >.clist)
115
116clist=`$cat .clist | $sed -e 's,$,.depends,'`
117
118# Now, create a Makefile from .clist and run that in parallel
119# Makefiles creating more Makefiles
120# A Makefile exists to beget more Makefiles. Perl is
121# just a vehicle.
122rm -f $clist
123$MAKE $clist
124$cat $clist >.deptmp
125rm -f $clist
126
127$sed <$mf >$mf.new -e '1,/^# AUTOMATICALLY/!d'
128
129if $test -s .deptmp; then
130    $echo "Updating $mf..."
131    $echo "# If this runs make out of memory, delete /usr/include lines." \
132	>> $mf.new
133    if [ "$osname" = vos ]; then
134        $sed 's|\.incl\.c|.h|' .deptmp >.deptmp.vos
135        mv -f .deptmp.vos .deptmp
136    fi
137    $sed -e 's|^\(.*\$(OBJ_EXT):\) *\(.*/.*\.c\) *$|\1 \2; '"$defrule \2|" \
138       -e 'h; s/mini\(perlmain\)/\1/p; g' \
139       .deptmp >>$mf.new
140else
141    $echo "Should not get here"
142    exit 1
143    $MAKE hlist || ($echo "Searching for .h files..."; \
144	$echo *.h | $tr ' ' $trnl | $egrep -v '\*' >.hlist)
145    $echo "You don't seem to have a proper C preprocessor.  Using grep instead."
146    $egrep '^#include ' `cat .clist` `cat .hlist`  >.deptmp
147    $echo "Updating $mf..."
148    <.clist $sed -n							\
149	-e '/\//{'							\
150	-e   's|^\(.*\)/\(.*\)\.c|\2\$(OBJ_EXT): \1/\2.c; '"$defrule \1/\2.c|p"	\
151	-e   d								\
152	-e '}'								\
153	-e 's|^\(.*\)\.c|\1\$(OBJ_EXT): \1.c|p' >> $mf.new
154    <.hlist $sed -n 's|\(.*/\)\(.*\)|s= \2= \1\2=|p' >.hsed
155    <.deptmp $sed -n 's|c:#include "\(.*\)".*$|o: \1|p' | \
156       $sed 's|^[^;]*/||' | \
157       $sed -f .hsed >> $mf.new
158    <.deptmp $sed -n 's|h:#include "\(.*\)".*$|h: \1|p' | \
159       $sed -f .hsed >> $mf.new
160fi
161$rm -f $mf.old
162$cp $mf $mf.old
163$rm -f $mf
164$cp $mf.new $mf
165$rm $mf.new
166$echo "# WARNING: Put nothing here or make depend will gobble it up!" >> $mf
167$rm -rf .deptmp UU .clist .hlist .hsed .cout .cerr
168rmdir .depending
169
170!NO!SUBS!
171$eunicefix makedepend
172chmod +x makedepend
173