--- C:\strawberry_build\build\perl_core\perl-5.30.1\win32\config_H.gc.backup	Thu Oct 24 23:27:58 2019
+++ C:\strawberry_build\build\perl_core\perl-5.30.1\win32\config_H.gc	Sun May 12 12:10:55 2019
@@ -600,7 +600,7 @@
  *	This symbol, if defined, indicates that <rpcsvc/dbm.h> exists and
  *	should be included.
  */
-/*#define I_DBM	/ **/
+#define I_DBM	/**/
 /*#define I_RPCSVC_DBM	/ **/
 
 /* I_DLFCN:
@@ -618,7 +618,7 @@
  *	This symbol, if defined, indicates that <gdbm.h> exists and should
  *	be included.
  */
-/*#define I_GDBM	/ **/
+#define I_GDBM	/**/
 
 /* I_LOCALE:
  *	This symbol, if defined, indicates to the C program that it should
@@ -2080,7 +2080,7 @@
  *	parameter information. While ANSI C prototypes are supported in C++,
  *	K&R style function declarations will yield errors.
  */
-/*#define I_NDBM	/ **/
+#define I_NDBM	/**/
 /*#define I_GDBMNDBM	/ **/
 /*#define I_GDBM_NDBM	/ **/
 /*#define NDBM_H_USES_PROTOTYPES	/ **/
@@ -2308,8 +2308,8 @@
  *	Can we handle GCC builtin for telling that certain values are more
  *	likely
  */
-/*#define HAS_BUILTIN_EXPECT	/ **/
-/*#define HAS_BUILTIN_CHOOSE_EXPR	/ **/
+#define HAS_BUILTIN_EXPECT	/* we have gcc-8.3 */
+#define HAS_BUILTIN_CHOOSE_EXPR	/* we have gcc-8.3 */
 
 /* HAS_C99_VARIADIC_MACROS:
  *	If defined, the compiler supports C99 variadic macros.