openldap/build/mkdep
1998-08-09 00:43:13 +00:00

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#!/bin/sh -
#
# Copyright (c) 1987 Regents of the University of California.
# All rights reserved.
#
# Redistribution and use in source and binary forms are permitted
# provided that the above copyright notice and this paragraph are
# duplicated in all such forms and that any documentation,
# advertising materials, and other materials related to such
# distribution and use acknowledge that the software was developed
# by the University of California, 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'' AND WITHOUT ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# @(#)mkdep.sh 5.12 (Berkeley) 6/30/88
#
# We now use whatever path is already set by the invoker
#PATH=/bin:/usr/bin:/usr/ucb
#export PATH
set -e # exit immediately if any errors occur
MAKE=Makefile # default makefile name is "Makefile"
NOSLASH="no" # by default, / dependencies are included
CC=cc # default compiler is cc
while :
do case "$1" in
# -f allows you to select a makefile name
-f)
MAKE=$2
shift; shift ;;
# -c allows you to select a compiler to use (default is cc)
-c)
CC=$2
shift; shift ;;
# the -p flag produces "program: program.c" style dependencies
# so .o's don't get produced
-p)
SED='s;\.o;;'
shift ;;
# the -s flag removes dependencies to files that begin with /
-s)
NOSLASH=yes;
shift ;;
# -*) shift ;;
*)
break ;;
esac
done
if [ $# = 0 ] ; then
echo 'usage: mkdep [-p] [-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/' |
$CC -M $* |
sed "
s; \./; ;g
$SED" |
awk '
$1 ~ /:/ {
filenm=$1
dep=$2
}
$1 !~ /:/ {
dep=$1
}
/.*/ {
if ( noslash = "yes" && dep ~ /^\// ) next
if (filenm != prev) {
if (rec != "")
print rec;
rec = filenm " " dep;
prev = filenm;
}
else {
if (length(rec dep) > 78) {
print rec;
rec = filenm " " dep;
}
else
rec = rec " " dep
}
}
END {
print rec
}' noslash="$NOSLASH" >> $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