perl.h: Make sure USE_LOCALE is off if no locales available

khwilliamson · khwilliamson · commit fd0e67e0f1eb · 2025-07-11T11:03:01.000-06:00
It shouldn't be getting set anyway, but this makes it clear, and also
makes sure someone hasn't tried to define it with Configure
diff --git a/makedef.pl b/makedef.pl
@@ -145,6 +145,9 @@ BEGIN
     elsif ($define{HAS_SETLOCALE}) {
         $define{USE_LOCALE} = 1;
     }
+    else {
+        undef $define{USE_LOCALE};
+    }
 }
 
 # https://en.wikipedia.org/wiki/Microsoft_Visual_C%2B%2B#Internal_version_numbering
diff --git a/perl.h b/perl.h
@@ -1175,6 +1175,8 @@ violations are fatal.
 #    define USE_LOCALE
 #  elif defined(HAS_SETLOCALE)
 #    define USE_LOCALE
+#  else
+#    undef USE_LOCALE
 #  endif
 #endif
 

Original file line number	Diff line number	Diff line change
`@@ -145,6 +145,9 @@ BEGIN`
`145`	`145`	`elsif ($define{HAS_SETLOCALE}) {`
`146`	`146`	`$define{USE_LOCALE} = 1;`
`147`	`147`	`}`
	`148`	`+ else {`
	`149`	`+ undef $define{USE_LOCALE};`
	`150`	`+ }`
`148`	`151`	`}`
`149`	`152`
`150`	`153`	`# https://en.wikipedia.org/wiki/Microsoft_Visual_C%2B%2B#Internal_version_numbering`