ZFS has a conflicting definition of delay() and tries to hide it by defining __HIDE_DELAY.
sparc64 (and sparc from the looks of it) lack the required #ifndef dance: diff --git a/sys/arch/sparc64/include/param.h b/sys/arch/sparc64/include/param.h index fe09b57cbf55..77d706dd8bab 100644 --- a/sys/arch/sparc64/include/param.h +++ b/sys/arch/sparc64/include/param.h @@ -224,8 +224,10 @@ extern int nbpg, pgofset, pgshift; #ifdef _KERNEL #ifndef _LOCORE +#ifndef __HIDE_DELAY extern void delay(unsigned int); #define DELAY(n) delay(n) +#endif /* __HIDE_DELAY */ #ifdef __arch64__ /* If we're using a 64-bit kernel use 64-bit math */
