<PROJECT-NAME>_VERSIONΒΆ
Value given to the VERSION option of the most recent call to the
project() command with project name <PROJECT-NAME>, if any.
See also the component-wise version variables
<PROJECT-NAME>_VERSION_MAJOR,
<PROJECT-NAME>_VERSION_MINOR,
<PROJECT-NAME>_VERSION_PATCH, and
<PROJECT-NAME>_VERSION_TWEAK.