diff --git a/archivers/bzip2/Makefile b/archivers/bzip2/Makefile
index 345b130e15e..4c1adc07b96 100644
--- a/archivers/bzip2/Makefile
+++ b/archivers/bzip2/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.40 2001/10/31 16:49:46 brad Exp $
+# $OpenBSD: Makefile,v 1.41 2002/01/27 20:00:16 pvalchev Exp $
 
 COMMENT=	"block-sorting file compressor, unencumbered"
 
@@ -22,6 +22,11 @@ BZ2_CFLAGS=	-Wall -Winline
 BZ2_CFLAGS+=	-fomit-frame-pointer -fno-strength-reduce
 .endif
 
+# XXX gcc optimization bug temporary workaround
+.if ${MACHINE_ARCH:Msparc64}
+BZ2_CFLAGS+=	-O0
+.endif
+
 MAKE_FLAGS=	CC="${CC}" CFLAGS="${CFLAGS} ${BZ2_CFLAGS}"
 FAKE_FLAGS=	${MAKE_FLAGS} PREFIX="${PREFIX}" DESTDIR="${WRKINST}"
 REGRESS_FLAGS=	LD_LIBRARY_PATH="${WRKBUILD}"