Index: Makefile.in
===================================================================
diff -u -r5b820f21717bf742feeb098f12409d257e445991 -rfc514e34230f1e3a77801e6283697f92b3b3b674
--- Makefile.in	(.../Makefile.in)	(revision 5b820f21717bf742feeb098f12409d257e445991)
+++ Makefile.in	(.../Makefile.in)	(revision fc514e34230f1e3a77801e6283697f92b3b3b674)
@@ -288,7 +288,8 @@
 	done; fi;
 
 cppcheck:
-	cppcheck --enable=all generic/*.c $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS)
+	cppcheck --enable=all generic/*.c $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
+		-I/usr/include -D__x86_64__
 
 libraries-pkgindex: pkgIndex.tcl
 	$(TCLSH) $(src_lib_dir_native)/lib/mkIndex.tcl -dir $(src_lib_dir_native)