locale.c: Cache the current LC_CTYPE locale name

This is now used as a cache of length 1 to avoid having to lookup up the
UTF-8ness as often.

This commit also skips doing S_newctype() if the new boss is the same as
the old

1 files changed, 6 insertions, 0 deletions

diff --git a/makedef.pl b/makedef.pl
index 076ce88b8c..e1ccf3a733 100644
--- a/makedef.pl
+++ b/makedef.pl
@@ -553,6 +553,12 @@ unless ($define{USE_LOCALE_NUMERIC}) {
 			 );
 }
 
+unless ($define{USE_LOCALE_CTYPE}) {
+    ++$skip{$_} foreach qw(
+		    PL_ctype_name
+			 );
+}
+
 unless ($define{'USE_C_BACKTRACE'}) {
     ++$skip{Perl_get_c_backtrace_dump};
     ++$skip{Perl_dump_c_backtrace};