X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/ad67ff794f974abe591ae9d905453c24e3677bb6..7996736c5ecb6da6273386229ce113837049152c:/perlio.h

diff --git a/perlio.h b/perlio.h
index c36cdf4..dd1e3d5 100644
--- a/perlio.h
+++ b/perlio.h
@@ -195,6 +195,13 @@ extern void PerlIO_clone(pTHX_ PerlInterpreter *proto, CLONE_PARAMS *param);
 /* --------------------- Now prototypes for functions --------------- */
 
 START_EXTERN_C
+#ifndef __attribute__format__
+#ifdef CHECK_FORMAT
+#define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
+#else
+#define __attribute__format__(x,y,z)
+#endif
+#endif
 #ifndef NEXT30_NO_ATTRIBUTE
 #ifndef HASATTRIBUTE		/* disable GNU-cc attribute checking? */
 #ifdef  __attribute__		/* Avoid possible redefinition errors */
@@ -362,15 +369,9 @@ extern int PerlIO_intmode2str(int rawmode, char *mode, int *writing);
 #ifdef PERLIO_LAYERS
 extern void PerlIO_cleanup(pTHX);
 
-extern void PerlIO_debug(const char *fmt, ...)
-#ifdef CHECK_FORMAT
-    __attribute__ ((__format__(__printf__, 1, 2)))
-#endif
-;
-
+extern void PerlIO_debug(const char *fmt, ...);
 typedef struct PerlIO_list_s PerlIO_list_t;
 
-extern PerlIO *PerlIO_syslayer(pTHX_ PerlIO *);
 
 #endif