[cmake-developers] RFC: add version to project() call

[Alexander Neundorf]

On Friday 10 January 2014, Alexander Neundorf wrote:
> On Friday 10 January 2014, Brad King wrote:
> > On 01/06/2014 04:41 PM, Alexander Neundorf wrote:
> > > I modified write_basic_package_version_file() accordingly, so that you
> > > can now simply do
> > > 
> > > project(Foo VERSION 1.2.3)
> > > 
> > > ...
> > > 
> > > write_basic_package_version_file(FooConfigVersion.cmake
> > > 
> > >                                  COMPATIBILITY AnyNewerVersion)
> > > 
> > > and this will use the version number from the project() call
> > > automatically (if no VERSION has been given explicitely).
> > 
> > One problem left to address is what to do when a project() command is
> > invoked in a subdirectory.  It will set PROJECT_NAME, PROJECT_SOURCE_DIR,
> > and PROJECT_BINARY_DIR but it should also *unset* the PROJECT_VERSION_
> > variables if no VERSION argument is provided.  Otherwise the version
> > values will not be consistent with the project name.
> 
> right, unsetting sounds good.

I added that to the AddVersionToProjectCommand branch on stage, along with a 
test.

Alex