#!/usr/bin/perl

open(OUT, "> Make.common.in") or die;
$d = localtime();
print OUT "# Make.common.in generated automagicly by $0 \n";
print OUT "# $d\n";

open(FH, "< configure.in") or die;
@syms = qw( CC CFLAGS LDFLAGS prefix );

while (<FH>) {
	/AC_SUBST\(\s*(.*?)\s*\)/ and push @syms, $1;
}

for (@syms) {
	print OUT "$_=\@$_\@\n";
}
