XSPROTO backcompat for 5.8.x

diff --git a/mop.h b/mop.h
index 7566652..288c8ad 100644 (file)
--- a/mop.h
+++ b/mop.h
@@ -12,6 +12,10 @@
 
 #define MOP_CALL_BOOT(name)  mop_call_xs(aTHX_ name, cv, mark);
 
+#ifndef XSPROTO
+#define XSPROTO(name) XS(name)
+#endif
+
 void mop_call_xs (pTHX_ XSPROTO(subaddr), CV *cv, SV **mark);
 
 typedef enum {