linux下编程用 编译软件

				/* Test for -Wtraditional warnings on the unary plus operator.				   Note, gcc should omit these warnings in system header files.				   By Kaveh R. Ghazi  8/22/2000.  */				/* { dg-do compile } */				/* { dg-options "-Wtraditional" } */								void				testfunc ()				{				  int i;				  				  i = +1; /* { dg-warning "unary plus operator" "unary plus operator" } */				  i = +i; /* { dg-warning "unary plus operator" "unary plus operator" } */				  				# 16 "sys-header.h" 3				/* We are in system headers now, no -Wtraditional warnings should issue.  */								  i = +1;				  i = +i;				}