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Re: [avr-gcc-list] Location of symbol definition
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From: |
James Hamilton |
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Subject: |
Re: [avr-gcc-list] Location of symbol definition |
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Date: |
Sun, 26 Jan 2014 06:57:15 -0500 |
That particular #define is one of many that is set by the compiler. That one is based on the architecture you selected in the "-mmcu" option to GCC.
In GCC, you can see all of the macros defined by using the "-dM -E" options. For example, this will show you everything the compiler is adding before it even looks at your source:
avr-gcc -mmcu=atmega168 -dM -E - < /dev/null
Hope this helps!
~James