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 16MAKE=Makefile # default makefile name is "Makefile" 17CC=cc # default C compiler is "cc" 18DEPENDENCY_CFLAG=-M # default dependency-generation flag is -M 19SOURCE_DIRECTORY=. # default source directory is the current directory 20 21# No command-line flags seen yet. 22flags="" 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 # -s allows you to specify the source directory 47 -s) 48 SOURCE_DIRECTORY=$2 49 shift; shift ;; 50 51 # other command-line flag 52 -*) 53 flags="$flags $1" 54 shift ;; 55 56 *) 57 break ;; 58 esac 59done 60 61if [ $# = 0 ] ; then 62 echo 'usage: mkdep [-p] [-c cc] [-f makefile] [-m dependency-cflag] [-s source-directory] [flags] file ...' 63 exit 1 64fi 65 66if [ ! -w $MAKE ]; then 67 echo "mkdep: no writeable file \"$MAKE\"" 68 exit 1 69fi 70 71TMP=/tmp/mkdep$$ 72 73trap 'rm -f $TMP ; exit 1' 1 2 3 13 15 74 75cp $MAKE ${MAKE}.bak 76 77sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP 78 79cat << _EOF_ >> $TMP 80# DO NOT DELETE THIS LINE -- mkdep uses it. 81# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY. 82 83_EOF_ 84 85# If your compiler doesn't have -M, add it. If you can't, the next two 86# lines will try and replace the "cc -M". The real problem is that this 87# hack can't deal with anything that requires a search path, and doesn't 88# even try for anything using bracket (<>) syntax. 89# 90# grep -E '^#include[[:blank:]]*".*"' /dev/null $* | 91# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' | 92 93# 94# Construct a list of source files with paths relative to the source directory. 95# 96sources="" 97for srcfile in $* 98do 99 sources="$sources $SOURCE_DIRECTORY/$srcfile" 100done 101 102# XXX this doesn't work with things like "-DDECLWAITSTATUS=union\ wait" 103$CC $DEPENDENCY_CFLAG $flags $sources | 104sed " 105 s; \./; ;g 106 $SED" >> $TMP 107 108cat << _EOF_ >> $TMP 109 110# IF YOU PUT ANYTHING HERE IT WILL GO AWAY 111_EOF_ 112 113# copy to preserve permissions 114cp $TMP $MAKE 115rm -f ${MAKE}.bak $TMP 116exit 0 117