diff --git a/gnu/usr.bin/egcs/Makefile.inc b/gnu/usr.bin/egcs/Makefile.inc
index 8a116f216066..59359cbf4374 100644
--- a/gnu/usr.bin/egcs/Makefile.inc
+++ b/gnu/usr.bin/egcs/Makefile.inc
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.inc,v 1.13 1998/08/27 21:44:28 tv Exp $
+#	$NetBSD: Makefile.inc,v 1.14 1998/11/28 22:44:22 eeh Exp $
 
 .if !defined(GCC_MAKEFILE_INC)
 GCC_MAKEFILE_INC=1
@@ -7,7 +7,7 @@ GCC_MAKEFILE_INC=1
 
 # These architectures are Cygnus's default for enabling Haifa
 .if (${MACHINE_ARCH} == "alpha") || (${MACHINE_ARCH} == "powerpc") || \
-    (${MACHINE_ARCH} == "sparc")
+    (${MACHINE_ARCH} == "sparc") || (${MACHINE_ARCH} == "sparc64")
 USE_EGCS_HAIFA=1
 .endif
 
diff --git a/gnu/usr.bin/egcs/common/Makefile b/gnu/usr.bin/egcs/common/Makefile
index 25a94fcdc206..aab3eea8ba3b 100644
--- a/gnu/usr.bin/egcs/common/Makefile
+++ b/gnu/usr.bin/egcs/common/Makefile
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile,v 1.21 1998/11/16 09:45:48 frueauf Exp $
+#	$NetBSD: Makefile,v 1.22 1998/11/28 22:44:22 eeh Exp $
 
 .include "../Makefile.inc"
 
@@ -11,6 +11,8 @@ YHEADER=1
 # GNU (gcc,gas) uses "mips" as arch-dependent filename for mipsel and mipseb
 .if (${MACHINE_ARCH} == "mips")
 GCC_ARCH?=	${MACHINE_ARCH}
+.elif (${MACHINE_ARCH} == "sparc64")
+GCC_ARCH?=	sparc
 .else
 GCC_ARCH?=	${MACHINE_GNU_ARCH}
 .endif