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 MAKE=Makefile # default makefile name is "Makefile" 17 CC=cc # default C compiler is "cc" 18 DEPENDENCY_CFLAG=-M # default dependency-generation flag is -M 19 20 while : 21 do case "$1" in 22 # -c allows you to specify the C compiler 23 -c) 24 CC=$2 25 shift; shift ;; 26 27 # -f allows you to select a makefile name 28 -f) 29 MAKE=$2 30 shift; shift ;; 31 32 # -m allows you to specify the dependency-generation flag 33 -m) 34 DEPENDENCY_CFLAG=$2 35 shift; shift ;; 36 37 # the -p flag produces "program: program.c" style dependencies 38 # so .o's don't get produced 39 -p) 40 SED='s;\.o;;' 41 shift ;; 42 *) 43 break ;; 44 esac 45 done 46 47 if [ $# = 0 ] ; then 48 echo 'usage: mkdep [-p] [-c cc] [-f makefile] [-m dependency-cflag] [flags] file ...' 49 exit 1 50 fi 51 52 if [ ! -w $MAKE ]; then 53 echo "mkdep: no writeable file \"$MAKE\"" 54 exit 1 55 fi 56 57 TMP=/tmp/mkdep$$ 58 59 trap 'rm -f $TMP ; exit 1' 1 2 3 13 15 60 61 cp $MAKE ${MAKE}.bak 62 63 sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP 64 65 cat << _EOF_ >> $TMP 66 # DO NOT DELETE THIS LINE -- mkdep uses it. 67 # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY. 68 69 _EOF_ 70 71 # If your compiler doesn't have -M, add it. If you can't, the next two 72 # lines will try and replace the "cc -M". The real problem is that this 73 # hack can't deal with anything that requires a search path, and doesn't 74 # even try for anything using bracket (<>) syntax. 75 # 76 # egrep '^#include[ ]*".*"' /dev/null $* | 77 # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' | 78 79 # XXX this doesn't work with things like "-DDECLWAITSTATUS=union\ wait" 80 $CC $DEPENDENCY_CFLAG $* | 81 sed " 82 s; \./; ;g 83 $SED" | 84 awk '{ 85 if ($1 != prev) { 86 if (rec != "") 87 print rec; 88 rec = $0; 89 prev = $1; 90 } 91 else { 92 if (length(rec $2) > 78) { 93 print rec; 94 rec = $0; 95 } 96 else 97 rec = rec " " $2 98 } 99 } 100 END { 101 print rec 102 }' >> $TMP 103 104 cat << _EOF_ >> $TMP 105 106 # IF YOU PUT ANYTHING HERE IT WILL GO AWAY 107 _EOF_ 108 109 # copy to preserve permissions 110 cp $TMP $MAKE 111 rm -f ${MAKE}.bak $TMP 112 exit 0 113
