Add potential buildfix for DrZ80

DrZ80.h

@@ -30,8 +30,8 @@ extern "C" {
 
 extern int DrZ80Ver; /* Version number of library */
 
-struct DrZ80
-{ 
+typedef struct DrZ80
+{
   unsigned int Z80PC;           /*0x00 - PC Program Counter (Memory Base + PC) */
   unsigned int Z80A;            /*0x04 - A Register:   0xAA------ */
   unsigned int Z80F;            /*0x08 - F Register:   0x------FF */
@@ -66,7 +66,7 @@ struct DrZ80
   unsigned int (*z80_rebaseSP)(unsigned short new_sp);
   unsigned int (*z80_rebasePC)(unsigned short new_pc);
   unsigned int bla;
-};
+} DrZ80_s;
 
 extern int DrZ80Run(struct DrZ80 *pcy,unsigned int cyc);
 
@@ -74,4 +74,4 @@ extern int DrZ80Run(struct DrZ80 *pcy,unsigned int cyc);
 
 #ifdef __cplusplus
 } /* End of extern "C" */
-#endif
\ No newline at end of file
+#endif

DrZ80_support.h

@@ -11,9 +11,9 @@ extern "C" {
 /* The Z80 registers. HALT is set to 1 when the CPU is halted, the refresh  */
 /* register is calculated as follows: refresh=(Regs.R&127)|(Regs.R2&128)    */
 /****************************************************************************/
-typedef struct {
+typedef struct Z80_Regs {
 	struct DrZ80 regs;
-}   Z80_Regs;
+} Z80_Regs_s;
 
 extern struct Z80_Regs Z80;
 

libretro/libretro.c

 #include "libretro.h"
 #include "libretro_core_options.h"
 #include "log.h"
+#include <stdio.h>
 #include <string.h>
 
 #include "../types.h"