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mbed offline compile

The following steps were performed on Ubuntu 14.04 LTSx64.

1. Get gcc-arm-none-eabi-4_9-2014q4-20141203-linux.tar.bz2

2. tar -xjvf gcc-arm-none-eabi-4_9-2014q4-20141203-linux.tar.bz2 => mv ./gccarm-none-eabi-4_9-2014q4 ~/Xdir

3. sudo apt-get install lib32z1 lib32ncurses5 lib32bz2-1.0

4. vi ~/.bash_profile

   PATH = $PATH:/home/user-name/...../xdir/gccarm-none-eabi-4_9-2014q4/bin export PATH

5. source ~/.bash_profile

6. cd ~/.../export-mbed-program-dir

7. make

compile err

• undefined reference to `__wrap_main'

  ./mbed is old => reexport program