#!/usr/bin/perl -w

my ${exec_prefix};
my ${prefix};

${prefix}="/usr/local";
${exec_prefix}="${prefix}";
while ($f = shift @ARGV) {

	if (-x "/bin/mktemp") { 
		$TEMP = `/bin/mktemp $f.$$.XXXXXX`;
		die 'Cannot make temporary file $TEMP' if($?);
		chomp $TEMP;
	} else {
		$XXXXXX = rand;
		$TEMP = "$f.$$.$XXXXXX";
	}

	open(IN,"<$f.in");
	open(OUT,">$TEMP") || die 'Cannot make temporary file $TEMP';

	while (<IN>) {
		s|\@netsaint_user\@|netsaint|g;
		s|\@netsaint_grp\@|netsaint|g;
		s|\@lockfile\@|/usr/local/var/netsaint/netsaint.lock|g;
		s|\@libexecdir\@|/usr/local/libexec/netsaint|g; # put all --with-vars before directories
		s|\@localstatedir\@|/usr/local/var/netsaint|g;
		s|\@sysconfdir\@|/usr/local/etc/netsaint|g;
		s|\@datadir\@|/usr/local/share/netsaint|g;
		s|\@sbindir\@|/usr/local/share/netsaint/sbin|g;
		s|\@bindir\@|${exec_prefix}/bin|g;
		s|\@htmurl\@|/netsaint|g;
		s|\@cgiurl\@|/cgi-bin/netsaint|g;
		s|\@MAIL_PROG\@|/usr/bin/mail|g;
		s|\$\{exec_prefix\}|${prefix}|g; # must be next to last
		s|\$\{prefix\}|/usr/local|g; # must be last
		print OUT $_;
	}

	close IN;
	close OUT;

	if ((! -e $f) || (`diff $f $TEMP`)) {
		`mv $TEMP $f`;
	} else {
	         unlink $TEMP;
	}

}