Hi, I find that most xxx_defconfig stop linking when console support set to CONSOLE_NONE compile log like: http://paste.ubuntu.com/8518456/ - - - - | Symbol: CONSOLE_NONE [=y] | | Type : boolean | | Prompt: none | | Location: | | -> General Settings | | -> console support (<choice> [=y]) | | Defined at common/Kconfig:522 | | Depends on: <choice> | - - - - most error causes by pr_print undefined. this macro/function is defined in: common/console_common.c declare in: include/printk.h when CONSOLE_NONE is defined, pr_print is not compiled (rid by #ifndef/#endif) with common/console_common.o but <printk.h> is included allmost anywhere by including <common.h> - - - - #ifndef __COMMON_H_ #define __COMMON_H_ 1 #include <stdio.h> ... #include <asm/common.h> #include <printk.h> - - - - so using pr_print always can past compile because it is declared by including <common.h>. but breaks link. I am confusing with CONSOLE_NONE, what is it mean? 1. the board don't have a console? is the board still can have a serial port, but not accepts input? 2. where should the debug messages go? the serial port is not a console but when CONSOLE_NONE defined, printf just a nothing but return a 0, but the pr_print() declared but not defined. - - - - FILE: include/stdio.h static inline int printf(const char *fmt, ...) { return 0; } - - - - - - - - duhuanpeng (+86)13719074147 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
