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=$2 49 shift; shift ;; 50 51 # -include takes an argument 52 -include) 53 flags="$flags $1 $2" 54 shift; shift ;; 55 56 # other command-line flag 57 -*) 58 flags="$flags $1" 59 shift ;; 60 61 *) 62 break ;; 63 esac 64done 65 66if [ $# = 0 ] ; then 67 echo 'usage: mkdep [-p] [-c cc] [-f makefile] [-m dependency-cflag] [-s source-directory] [flags] file ...' 68 exit 1 69fi 70 71if [ ! -w $MAKE ]; then 72 echo "mkdep: no writeable file \"$MAKE\"" 73 exit 1 74fi 75 76TMP=/tmp/mkdep$$ 77 78trap 'rm -f $TMP ; exit 1' 1 2 3 13 15 79 80cp $MAKE ${MAKE}.bak 81 82sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP 83 84cat << _EOF_ >> $TMP 85# DO NOT DELETE THIS LINE -- mkdep uses it. 86# DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY. 87 88_EOF_ 89 90# If your compiler doesn't have -M, add it. If you can't, the next two 91# lines will try and replace the "cc -M". The real problem is that this 92# hack can't deal with anything that requires a search path, and doesn't 93# even try for anything using bracket (<>) syntax. 94# 95# grep -E '^#include[[:blank:]]*".*"' /dev/null $* | 96# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' | 97 98# 99# Construct a list of source files with paths relative to the source directory. 100# 101sources="" 102for srcfile in $* 103do 104 sources="$sources $SOURCE_DIRECTORY/$srcfile" 105done 106 107# XXX this doesn't work with things like "-DDECLWAITSTATUS=union\ wait" 108$CC $DEPENDENCY_CFLAG $flags $sources | 109sed " 110 s; \./; ;g 111 $SED" >> $TMP 112 113cat << _EOF_ >> $TMP 114 115# IF YOU PUT ANYTHING HERE IT WILL GO AWAY 116_EOF_ 117 118# copy to preserve permissions 119cp $TMP $MAKE 120rm -f ${MAKE}.bak $TMP 121exit 0 122