Index: lib/libthr/Makefile
===================================================================
--- lib/libthr/Makefile
+++ lib/libthr/Makefile
@@ -16,8 +16,8 @@
 
 LIB=thr
 SHLIB_MAJOR= 3
-WARNS?=	3
 NO_WTHREAD_SAFETY=1
+NO_WCAST_ALIGN.gcc=1    # for gcc 4.2
 CFLAGS+=-DPTHREAD_KERNEL
 CFLAGS+=-I${SRCTOP}/lib/libc/include -I${.CURDIR}/thread \
 	-I${SRCTOP}/include