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Re: [avr-gcc-list] Location of symbol definition

From: James Hamilton
Subject: Re: [avr-gcc-list] Location of symbol definition
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!


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