openldap/build/mkdep
2000-10-02 19:32:45 +00:00

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#! /bin/sh -
# $OpenLDAP$
## Copyright 1998-2000 The OpenLDAP Foundation
## COPYING RESTRICTIONS APPLY. See COPYRIGHT File in top level directory
## of this package for details.
#
# Portions
# 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
SRCDIR=""
SED=cat
: ${CC=cc} # use cc by default
# We generally set these via the command line options
: ${MKDEP_CC=$CC} # select default compiler to generate dependencies
: ${MKDEP_CFLAGS="-M"} # cc -M usually produces dependencies
while :
do case "$1" in
# the -s flag removes dependencies to files that begin with /
-s)
NOSLASH=yes;
shift ;;
# -f allows you to select a makefile name
-f)
MAKE=$2
shift; shift ;;
# -d allows you to select a VPATH directory
-d)
SRCDIR=$2
shift; shift ;;
# -c allows you to override the compiler used to generate dependencies
-c)
MKDEP_CC=$2
shift; shift ;;
# -m allows you to override the compiler flags used to generate
# dependencies.
-m)
MKDEP_CFLAGS=$2
shift; shift ;;
# the -p flag produces "program: program.c" style dependencies
# so .o's don't get produced
-p)
SED='sed -e s;\.o;;'
shift ;;
# the -l flag produces libtool compatible dependencies
-l)
SED='sed -e s;\.o:;.lo:;'
shift ;;
# -*) shift ;;
*)
break ;;
esac
done
if test $# = 0 ; then
echo 'usage: mkdep [-p] [-s] [-c cc] [-m flags] [-f makefile] [-d srcdir] [cppflags] file ...'
exit 1
fi
if test ! -w $MAKE ; then
echo "mkdep: no writeable file \"$MAKE\""
exit 1
fi
TMP=/tmp/mkdep$$
trap 'rm -f $TMP.sed $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/' |
if test "x$SRCDIR" = "x" ; then
files=$*
else
files=
for i in $* ; do
if test -f $i ; then
files="$files $i"
elif test -f $SRCDIR/$i ; then
files="$files $SRCDIR/$i"
else
files="$files $i"
fi
done
MKDEP_CFLAGS="$MKDEP_CFLAGS -I$SRCDIR"
fi
cat << _EOF_ >> $TMP
#
# files: $*
# command: $MKDEP_CC $MKDEP_CFLAGS $files
#
_EOF_
$MKDEP_CC $MKDEP_CFLAGS $files | \
sed -e 's; \./; ;g' -e 's/ :/:/' | \
$SED > $TMP.sed
# do not pipe to awk. SGI awk wants a filename as argument.
# (or '-', but I do not know if all other awks support that.)
awk '
$1 ~ /:$/ {
filenm=$1
dep=substr($0, length(filenm)+1)
}
$1 !~ /:$/ {
dep=$0
}
/.*/ {
if ( length(filenm) < 2 ) next
if ( filenm ~ /:.*:$/ ) next
split(dep, depends, " ")
for(d in depends) {
dfile = depends[d]
if ( length(dfile) < 2 ) continue
if ( dfile ~ /:/ ) continue
if (( noslash == "yes") && (dfile ~ /^\// )) continue
rec = filenm " " dfile
print rec
}
}
' noslash="$NOSLASH" $TMP.sed >> $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.sed $TMP
exit 0