Vita homebrew are written with the unoffical SDK, which is a modified ARM EABI toolchain. You get access to all the same public APIs found in the official SDK (which is available only to Sony licensed developers) as well as many private APIs (allowing, for example, to change the CPU clock speed).
/usr/local/vitasdkfor both Linux and OSX
pacman -S make) in order to use Makefiles.
$VITASDKpath variable to point to where the toolchain is installed
export VITASDK=/path/to/toolchainto your Bash profile.
You can find various sample code here. Build them and play around with the code to familiarize yourself with the environment. You can also look at the showcase to see some more advanced code. Unfortunately, there currently does not exist comprehensive documentation for the unoffical SDK. If you have the time, please help us with that!
You can request to add your homebrew to the showcase.
xis a unique id which you should choose as the next available number and
nameis a short-name for your homebrew.
_homebrew/x-name.mdappropriately. Look at one of the other entries as a template. The fields should be self explanatory.
nameshould be the same as above. For the best results, make sure your screenshot is 240x136.
Running into SDK related issues? Need help setting up the toolchain? Want advice on how to do something with vitasdk? You can find the community of developers on FreeNode IRC at #vitasdk. Please only join for development related support! General support can be found at #henkaku.