Re: CMake minimum version to support

From: Peter Dimov (pdimov_at_[hidden])
Date: 2021-06-04 04:41:22

> Alexander Grund wrote:
> > > - CMake 3.9: required by Nowide, I'm not sure why.
> ...
> > I use find_dependency there which requires 3.9.
> 
> find_dependency doesn't require 3.9, but passing it arbitrary arguments does.
> Before 3.9 it only accepts a version.
> 
> https://cmake.org/cmake/help/v3.5/module/CMakeFindDependencyMacro.h
> tml
> https://cmake.org/cmake/help/v3.9/module/CMakeFindDependencyMacro.h
> tml
> 
> Your use in Nowide should work on 3.5.

Oh, by the way, the find_dependency line in the config file is executed when
the installed library is used by find_package, which is done by a different cmake,
so requiring the current version to be 3.9 doesn't help, you still need to guard it
if you use e.g. COMPONENTS.