--- np2/x11/Makefile.am	2011/12/29 13:35:32	1.10
+++ np2/x11/Makefile.am	2012/01/24 17:58:08	1.12
@@ -1,5 +1,3 @@
-#	$Id: Makefile.am,v 1.10 2011/12/29 13:35:32 monaka Exp $
-
 real_topsrcdir=	$(top_srcdir)/..
 
 bin_PROGRAMS=	xnp2
@@ -241,8 +239,10 @@ AM_CPPFLAGS=	-I$(real_topsrcdir) \
 		-I$(real_topsrcdir)/vram \
 		$(GTK_CFLAGS) $(SDL_CFLAGS)
 
+if HAVE_GCC
 AM_CFLAGS=	-fsigned-char
 CFLAGS+=	-fno-strict-aliasing
+endif
 
 xnp2_LDADD=	$(GTK_LIBS) $(SDL_LIBS) \
 		$(X_LIBS) $(X_PRE_LIBS) $(XLIB) $(X_EXTRA_LIBS)
@@ -303,6 +303,8 @@ xnp2_SOURCES+=	$(real_topsrcdir)/i286c/i
 AM_CPPFLAGS+=	-I$(real_topsrcdir)/i286c
 endif
 
+CLEANFILES+=	make.log
+
 cleandir:: distclean
 
 .man1.1 .jman1.1j: