makefile调试技巧1

$(warning debug info ARCH = $(ARCH) )
$(warning debug info CPU = $(CPU) )
$(warning debug info BOARD = $(BOARD) )
$(warning debug info VENDOR = $(VENDOR) )
$(warning debug info SOC = $(SOC) )
$(warning debug info SOC1 = ${SOC} )


$(warning debug info CROSS_COMPILE = $(CROSS_COMPILE) )

$(error debug info then exit)

Makefile:191: debug info ARCH = arm 
Makefile:192: debug info CPU = arm920t 
Makefile:193: debug info BOARD = mini2440 
Makefile:194: debug info VENDOR = friendlyarm 
Makefile:195: debug info SOC = s3c24x0 
Makefile:196: debug info SOC1 = s3c24x0 
Makefile:198: debug info CROSS_COMPILE =  
Makefile:199: *** debug info then exit。 停止。