linux下编程用 编译软件

				/* Copyright (C) 2003 Free Software Foundation, Inc.  */								/* Source: Neil Booth, 18 Apr 2003.  */								/* { dg-do preprocess } */				/* { dg-options "-ansi -pedantic -Wundef" } */								/* Check that for C++ we handle true and false correctly, and do not				   treat them as undefined identifiers.  */								#if true		/* { dg-bogus "is not defined" } */				#error foo		/* { dg-error "foo" } */				#endif								#if false		/* { dg-bogus "is not defined" } */				#error foo		/* { dg-bogus "foo" } */				#endif