Change line 106 of myldr/Makefile.PL to what you see below.
} elsif ( ($cc =~ m/^gcc\b/i) or ($cc =~ m/\bgcc.exe\b/i) or ($cc =~ m/^cc\b/i and $gccversion)) {
This, along wiht Alexey's other patch for commenting out if ($Config{_delim} eq '\\') { s{\\}{/}g for @inc }in script/par.pl, results in all tests passing on Windows XP, ActiveState 5.10.1.
Thanks