用Nios II IDE进行编译的过程中提示如下错误,不知是怎么回事…… Linking hello_led_0.elf... D:/altera/quartus60/mywork/sopc_led/software/hello_led_0_syslib/Debug/system_description/generated.x:319: undefined symbol `_exit' referenced in expression collect2: ld returned 1 exit status make: *** [hello_led_0.elf] Error 1 Build completed |