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 16PATH=/bin:/usr/bin:/usr/ucb:/usr/local:/usr/local/bin:/usr/sfw/bin 17export PATH 18 19MAKE=Makefile # default makefile name is "Makefile" 20CC=cc # default C compiler is "cc" 21DEPENDENCY_CFLAG=-M # default dependency-generation flag is -M 22 23while : 24 do case "$1" in 25 # -c allows you to specify the C compiler 26 -c) 27 CC=$2 28 shift; shift ;; 29 30 # -f allows you to select a makefile name 31 -f) 32 MAKE=$2 33 shift; shift ;; 34 35 # -m allows you to specify the dependency-generation flag 36 -m) 37 DEPENDENCY_CFLAG=$2 38 shift; shift ;; 39 40 # the -p flag produces "program: program.c" style dependencies 41 # so .o's don't get produced 42 -p) 43 SED='s;\.o;;' 44 shift ;; 45 *) 46 break ;; 47 esac 48done 49 50if [ $# = 0 ] ; then 51 echo 'usage: mkdep [-p] [-c cc] [-f makefile] [-m dependency-cflag] [flags] file ...' 52 exit 1 53fi 54 55if [ ! -w $MAKE ]; then 56 echo "mkdep: no writeable file \"$MAKE\"" 57 exit 1 58fi 59 60TMP=/tmp/mkdep$$ 61 62trap 'rm -f $TMP ; exit 1' 1 2 3 13 15 63 64cp $MAKE ${MAKE}.bak 65 66sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP 67 68cat << _EOF_ >> $TMP 69# DO NOT DELETE THIS LINE -- mkdep uses it. 70# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY. 71 72_EOF_ 73 74# If your compiler doesn't have -M, add it. If you can't, the next two 75# lines will try and replace the "cc -M". The real problem is that this 76# hack can't deal with anything that requires a search path, and doesn't 77# even try for anything using bracket (<>) syntax. 78# 79# egrep '^#include[ ]*".*"' /dev/null $* | 80# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' | 81 82# XXX this doesn't work with things like "-DDECLWAITSTATUS=union\ wait" 83$CC $DEPENDENCY_CFLAG $* | 84sed " 85 s; \./; ;g 86 $SED" | 87awk '{ 88 if ($1 != prev) { 89 if (rec != "") 90 print rec; 91 rec = $0; 92 prev = $1; 93 } 94 else { 95 if (length(rec $2) > 78) { 96 print rec; 97 rec = $0; 98 } 99 else 100 rec = rec " " $2 101 } 102} 103END { 104 print rec 105}' >> $TMP 106 107cat << _EOF_ >> $TMP 108 109# IF YOU PUT ANYTHING HERE IT WILL GO AWAY 110_EOF_ 111 112# copy to preserve permissions 113cp $TMP $MAKE 114rm -f ${MAKE}.bak $TMP 115exit 0 116