# Ignore false positives.
#
# `./configure` output.
- next if not $non_verbose and $line =~ /^checking /;
+ next if not $non_verbose
+ and $line =~ /^(?:checking|(?:C|c)onfigure:) /;
next if $line =~ /^\s*(?:Host\s+)?(?:C\s+)?
(?:C|c)ompiler[\s.]*:?\s+
$cc_regex