# CONSTANTS/VARIABLES
# Regex to catch compiler commands.
-my $cc_regex = qr/(?:x86_64-linux-gnu-)?(?:(?<!\.)cc|gcc|g\+\+|c\+\+)(?:-[\d.]+)?/;
+my $cc_regex = qr/(?:[a-z0-9_]+-(?:linux|kfreebsd)-gnu(?:eabi|eabihf)?-)?
+ (?:(?<!\.)cc|gcc|g\+\+|c\+\+)
+ (?:-[\d.]+)?/x;
# Regex to catch (GCC) compiler warnings.
my $warning_regex = qr/^(.+?):([0-9]+):[0-9]+: warning: (.+?) \[(.+?)\]$/;
#
# `./configure` output.
next if not $non_verbose and $line =~ /^checking /;
- next if $line =~ /^\s*(?:C|c)ompiler[\s.]*:\s+$cc_regex(?:\s-std=[a-z0-9:+]+)?\s*$/
+ next if $line =~ /^\s*(?:C\s+)?
+ (?:C|c)ompiler[\s.]*:\s+
+ $cc_regex
+ (?:\s-std=[a-z0-9:+]+)?\s*$
+ /x
or $line =~ /^\s*(?:- )?(?:CC|CXX)\s*=\s*$cc_regex\s*$/
or $line =~ /^\s*-- Check for working (?:C|CXX) compiler: /
or $line =~ /^\s*(?:echo )?Using [A-Z_]+\s*=\s*/;
+ # Debian buildd output.
+ next if $line =~ /^\s*Depends: .*?$cc_regex.*?$/
+ and $line !~ /\s-./; # option, prevent false negatives
+
push @input, $line;
}