Fix "use of uninitialized value $key in hash element" error.

diff --git a/make/configure.pm b/make/configure.pm
index ee96e3c6973ec26fcd8d4d0d9a5006cca1cccb48..8619d5be265f6b76dcade5f14afbfab7f471cc13 100644 (file)
--- a/make/configure.pm
+++ b/make/configure.pm
@@ -220,7 +220,7 @@ sub read_configure_cache {
        open(CACHE, CONFIGURE_CACHE_FILE) or return %config;
        while (my $line = <CACHE>) {
                next if $line =~ /^\s*($|\#)/;
-               my ($key, $value) = ($line =~ /^(\S+)(?:\s(.+))?$/);
+               my ($key, $value) = ($line =~ /^(\S+)(?:\s(.*))?$/);
                $config{$key} = $value;
        }
        close(CACHE);