| #!/bin/sh - |
| # |
| # Copyright (c) 1994, 1996 |
| # The Regents of the University of California. All rights reserved. |
| # |
| # Redistribution and use in source and binary forms are permitted |
| # provided that this notice is preserved and that due credit is given |
| # to the University of California at Berkeley. The name of the University |
| # may not be used to endorse or promote products derived from this |
| # software without specific prior written permission. This software |
| # is provided ``as is'' without express or implied warranty. |
| # |
| # @(#)mkdep.sh 5.11 (Berkeley) 5/5/88 |
| # |
| |
| PATH=/bin:/usr/bin:/usr/ucb:/usr/local:/usr/local/bin:/usr/sfw/bin |
| export PATH |
| |
| MAKE=Makefile # default makefile name is "Makefile" |
| CC=cc # default C compiler is "cc" |
| |
| while : |
| do case "$1" in |
| # -c allows you to specify the C compiler |
| -c) |
| CC=$2 |
| shift; shift ;; |
| |
| # -f allows you to select a makefile name |
| -f) |
| MAKE=$2 |
| shift; shift ;; |
| |
| # the -p flag produces "program: program.c" style dependencies |
| # so .o's don't get produced |
| -p) |
| SED='s;\.o;;' |
| shift ;; |
| *) |
| break ;; |
| esac |
| done |
| |
| if [ $# = 0 ] ; then |
| echo 'usage: mkdep [-p] [-c cc] [-f makefile] [flags] file ...' |
| exit 1 |
| fi |
| |
| if [ ! -w $MAKE ]; then |
| echo "mkdep: no writeable file \"$MAKE\"" |
| exit 1 |
| fi |
| |
| TMP=/tmp/mkdep$$ |
| |
| trap 'rm -f $TMP ; exit 1' 1 2 3 13 15 |
| |
| cp $MAKE ${MAKE}.bak |
| |
| sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP |
| |
| cat << _EOF_ >> $TMP |
| # DO NOT DELETE THIS LINE -- mkdep uses it. |
| # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY. |
| |
| _EOF_ |
| |
| # If your compiler doesn't have -M, add it. If you can't, the next two |
| # lines will try and replace the "cc -M". The real problem is that this |
| # hack can't deal with anything that requires a search path, and doesn't |
| # even try for anything using bracket (<>) syntax. |
| # |
| # egrep '^#include[ ]*".*"' /dev/null $* | |
| # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' | |
| |
| # XXX this doesn't work with things like "-DDECLWAITSTATUS=union\ wait" |
| $CC -M $* | |
| sed " |
| s; \./; ;g |
| $SED" | |
| awk '{ |
| if ($1 != prev) { |
| if (rec != "") |
| print rec; |
| rec = $0; |
| prev = $1; |
| } |
| else { |
| if (length(rec $2) > 78) { |
| print rec; |
| rec = $0; |
| } |
| else |
| rec = rec " " $2 |
| } |
| } |
| END { |
| print rec |
| }' >> $TMP |
| |
| cat << _EOF_ >> $TMP |
| |
| # IF YOU PUT ANYTHING HERE IT WILL GO AWAY |
| _EOF_ |
| |
| # copy to preserve permissions |
| cp $TMP $MAKE |
| rm -f ${MAKE}.bak $TMP |
| exit 0 |