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Firmware accessible project build/revision number (or git commit hash)?

Henry Tonoyan69
Prodigy 20 points

Hello,

I'm looking at ways to get a revision number that I can read from the firmware. One approach that I like is to pull in the git commit hash during build, as described in this stackoverflow answer: (http://stackoverflow.com/a/12368262). The linked answer relies on adding a variable to the makefile which can be accessed by the code like a preprocessor define. -DVERSION also needs to be added to CFLAGS (not sure how to do this either).

My question is, can I do this in Code Composer Studio without changing the project around too much? My Project >Properties > C/C++ Build options are currently set to "Generate Makefiles automatically". Would I have to use a custom Makefile? Could I do this with a Build Variable? Is there a better way to approach a build number in general?

Would greatly appreciate some help.

I'm currently using CCS 6.1.2.00015 on Ubuntu 14.04 (64-bit).

Thanks!