libgnt/libgnt

Add an option to disable building the docs
release-2.x.y
2021-09-25, Helmut Grohne
2374624f79fe
Add an option to disable building the docs

Testing Done:
Built with the option on and off.

Bugs closed: LIBGNT-17

Reviewed at https://reviews.imfreedom.org/r/945/
option(
'python2',
type: 'boolean', value: true,
description: 'Whether or not to include python support.',
)
option(
'doc',
type: 'boolean', value: true,
description: 'Whether or not to build the documentation.',
)