libsparc_v8 is designed for overriding libc with ld.so.conf.

So avoid linking against libc.

lib/libarch/sparc/v8/Makefile

@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.2 2002/11/27 12:06:10 pk Exp $
+#	$NetBSD: Makefile,v 1.3 2008/05/03 20:43:54 nakayama Exp $
 
 NOLINKLIB=	# defined
 NOPROFILE=	# defined
@@ -6,6 +6,10 @@ NOLINT=		# defined
 USE_SHLIBDIR=	yes
 LIB=		sparc_v8
 
+# Avoid linking against libc.
+DPLIBC=		# nothing
+LDLIBC=		-nodefaultlibs
+
 SRCS=	sparc_v8.S
 
 .include <bsd.lib.mk>