PR ld/11843
[binutils.git] / mkdep
blob3c5b508f14279150d7097dfe63ef646b20de27c3
1 #!/bin/sh -
3 # Copyright (c) 1987 Regents of the University of California.
4 # All rights reserved.
6 # Redistribution and use in source and binary forms are permitted
7 # provided that the above copyright notice and this paragraph are
8 # duplicated in all such forms and that any documentation,
9 # advertising materials, and other materials related to such
10 # distribution and use acknowledge that the software was developed
11 # by the University of California, Berkeley. The name of the
12 # University may not be used to endorse or promote products derived
13 # from this software without specific prior written permission.
14 # THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15 # IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 # WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18 # @(#)mkdep.sh 5.12 (Berkeley) 6/30/88
21 MAKE=Makefile # default makefile name is "Makefile"
23 while :
24 do case "$1" in
25 # -f allows you to select a makefile name
26 -f)
27 MAKE=$2
28 shift; shift ;;
30 # the -p flag produces "program: program.c" style dependencies
31 # so .o's don't get produced
32 -p)
33 SED='s;\.o;;'
34 shift ;;
36 break ;;
37 esac
38 done
40 if [ $# = 0 ] ; then
41 echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
42 exit 1
45 if [ ! -w $MAKE ]; then
46 echo "mkdep: no writeable file \"$MAKE\""
47 exit 1
50 TMP=/tmp/mkdep$$
52 trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
54 cp $MAKE ${MAKE}.bak
56 sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
58 cat << _EOF_ >> $TMP
59 # DO NOT DELETE THIS LINE -- mkdep uses it.
60 # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
62 _EOF_
64 # If your compiler doesn't have -M, add it. If you can't, the next two
65 # lines will try and replace the "cc -M". The real problem is that this
66 # hack can't deal with anything that requires a search path, and doesn't
67 # even try for anything using bracket (<>) syntax.
69 # egrep '^#include[ ]*".*"' /dev/null $* |
70 # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
72 gcc -MM $* |
73 sed "
74 s; \./; ;g
75 $SED" >> $TMP
77 cat << _EOF_ >> $TMP
79 # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
80 _EOF_
82 # copy to preserve permissions
83 cp $TMP $MAKE
84 rm -f ${MAKE}.bak $TMP
85 exit 0