[Makefile] How to show debug message

$(warning happy)
Show debug message

$(warning /sort$(if $(COMSPEC),.exe))
if $(COMSPEC) is true  --> print .exe
if $(COMSPEC) is wrong --> no print .exe

$(warning $(subst /,\,$(RULES_DIR)))
if $(RULES_DIR) is true  --> use / to replace \

Reference:

• Debugging Makefiles

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[compile error] checking sysdep dirs… configure: error: The armeb is not supported.

Download glibc-ports-2.15.tar.gz & glibc-2.15.tar.gz

tar glibc-ports-2.15.tar.gz & glibc-2.15.tar.gz

mv glibc-ports-2.15 to glibc-2.15/ports

Reference :

1. glibc cross compilation with ARM

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[Make] How to debug make error

If make have any problem.|

Please type make V=1

This command Will show more error result, help me to understand what happen.

Reference :

• 如何解决编译错误 unknown ABI specified: '32'

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[make menuconfig] How to make menuconfig to work

"Make menuconfig" can learn how to create .config

Download the code from "Code gooogle".

The command like below.

svn checkout http://menuconfig.googlecode.com/svn/trunk/ menuconfig-read-only

My github have some comment in Readme.

https://github.com/freeman2004/make_menuconfig

Reference:

• code google - menuconfig

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