#!/usr/bin/perl -w
#
# Copyright (C) 2001
#     National Center for Supercomputing Applications.
#     All rights reserved.
#
my $depend_file;
my $new_depend_file;
my $srcdir;
my $top_srcdir;
my $top_builddir;

while ($_ = shift @ARGV) {
    if (/^--srcdir=([^ \t\n]*)/) {
        $srcdir = $1;
        $srcdir = "\\$srcdir" if $srcdir =~ /^\./;
    } elsif (/^--top_srcdir=([^ \t\n]*)/) {
        $top_srcdir = $1;
        $top_srcdir = "\\$top_srcdir" if $top_srcdir =~ /^\./;
    } elsif (/^--top_builddir=([^ \t\n]*)/) {
        $top_builddir = $1;
        $top_builddir = "\\$top_builddir" if $top_builddir =~ /^\./;
    } else {
        $depend_file = $_;
        $new_depend_file = "$_.new";
        last;
    }
}

open(DEPEND, "<$depend_file") || die "cannot open file $depend_file: $!\n";
open(NEW, ">$new_depend_file") || die "cannot open file $new_depend_file: $!\n";

while (<DEPEND>) {
    s/\.o/\.lo/g;
    s/ $srcdir/ \$\(srcdir\)/g;
    s/ $top_srcdir/ \$\(top_srcdir\)/g;
    s/ $top_builddir/ \$\(top_builddir\)/g;
    print NEW $_;
}

`mv $new_depend_file $depend_file`;