+sub is_non_verbose_build {
+ my ($line, $next_line, $cc_regex, $skip_ref) = @_;
+
+ my $cmake_non_verbose = qr/^\s*\[[\d ]+%\] Building (?:C|CXX) object (.+?)$/;
+ if (not ($line =~ /^checking if you want to see long compiling messages\.\.\. no/
+ or $line =~ /^\s*(?:CC|CCLD)\s+/
+ or $line =~ /^\s*(?:C|c)ompiling\s+/
+ or $line =~ /$cmake_non_verbose/)) {
+ return 0;
+ }
+
+ # On the first pass we only check if this line is verbose or not.
+ return 1 if not defined $next_line;
+
+ # Second pass, we have access to the next line.
+ ${$skip_ref} = 0;
+
+ # CMake prints the non-verbose messages also when building verbose. If a
+ # compiler and the file name occurs in the next line, treat it as verbose
+ # build.
+ if ($line =~ /$cmake_non_verbose/) {
+ # Get filename, we can't use the complete path as only parts of it are
+ # used in the real compiler command ...
+ $1 =~ m{/([a-zA-Z0-9._-]+)$};
+ my $file = $1;
+
+ if ($next_line =~ /\Q$file\E/ and $next_line =~ /$cc_regex/) {
+ # We still have to skip the current line as it doesn't contain any
+ # compiler commands.
+ ${$skip_ref} = 1;
+ return 0;
+ }
+ }
+
+ return 1;
+}
+