1 #!/bin/sh - 2 # 3 # Copyright (c) 1994, 1996 4 # The Regents of the University of California. All rights reserved. 5 # 6 # Redistribution and use in source and binary forms are permitted 7 # provided that this notice is preserved and that due credit is given 8 # to the University of California at Berkeley. The name of the University 9 # may not be used to endorse or promote products derived from this 10 # software without specific prior written permission. This software 11 # is provided ``as is'' without express or implied warranty. 12 # 13 # @(#)mkdep.sh 5.11 (Berkeley) 5/5/88 14 # 15 16 PATH=/bin:/usr/bin:/usr/ucb:/usr/local:/usr/local/bin 17 export PATH 18 19 MAKE=Makefile # default makefile name is "Makefile" 20 CC=cc # default C compiler is "cc" 21 22 while : 23 do case "$1" in 24 # -c allows you to specify the C compiler 25 -c) 26 CC=$2 27 shift; shift ;; 28 29 # -f allows you to select a makefile name 30 -f) 31 MAKE=$2 32 shift; shift ;; 33 34 # the -p flag produces "program: program.c" style dependencies 35 # so .o's don't get produced 36 -p) 37 SED='s;\.o;;' 38 shift ;; 39 *) 40 break ;; 41 esac 42 done 43 44 if [ $# = 0 ] ; then 45 echo 'usage: mkdep [-p] [-c cc] [-f makefile] [flags] file ...' 46 exit 1 47 fi 48 49 if [ ! -w $MAKE ]; then 50 echo "mkdep: no writeable file \"$MAKE\"" 51 exit 1 52 fi 53 54 TMP=/tmp/mkdep$$ 55 56 trap 'rm -f $TMP ; exit 1' 1 2 3 13 15 57 58 cp $MAKE ${MAKE}.bak 59 60 sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP 61 62 cat << _EOF_ >> $TMP 63 # DO NOT DELETE THIS LINE -- mkdep uses it. 64 # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY. 65 66 _EOF_ 67 68 # If your compiler doesn't have -M, add it. If you can't, the next two 69 # lines will try and replace the "cc -M". The real problem is that this 70 # hack can't deal with anything that requires a search path, and doesn't 71 # even try for anything using bracket (<>) syntax. 72 # 73 # egrep '^#include[ ]*".*"' /dev/null $* | 74 # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' | 75 76 # XXX this doesn't work with things like "-DDECLWAITSTATUS=union\ wait" 77 $CC -M $* | 78 sed " 79 s; \./; ;g 80 $SED" | 81 awk '{ 82 if ($1 != prev) { 83 if (rec != "") 84 print rec; 85 rec = $0; 86 prev = $1; 87 } 88 else { 89 if (length(rec $2) > 78) { 90 print rec; 91 rec = $0; 92 } 93 else 94 rec = rec " " $2 95 } 96 } 97 END { 98 print rec 99 }' >> $TMP 100 101 cat << _EOF_ >> $TMP 102 103 # IF YOU PUT ANYTHING HERE IT WILL GO AWAY 104 _EOF_ 105 106 # copy to preserve permissions 107 cp $TMP $MAKE 108 rm -f ${MAKE}.bak $TMP 109 exit 0 110
