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List:       macports-users
Subject:    Re: How to get a developers' package for Ruby
From:       Ian Wadham <iandw.au () gmail ! com>
Date:       2021-10-03 10:17:56
Message-ID: 0DC9E7BF-2EF6-4651-B36D-921DA46D0FC7 () gmail ! com
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> On 2 Oct 2021, at 6:33 pm, Ryan Schmidt <ryandesign@macports.org> wrote:
> 
> On Sep 21, 2021, at 23:49, Ian Wadham wrote:
> 
> > I wish to download from the Web a package called CocoaPods, however it \
> > needs a developers' package of Ruby to build it. 
> > I am using MacOS Catalina 10.15.7. Apple provides Ruby in this \
> > MacOSversion, but will not allow it to be used for building non-Apple \
> > apps. They say they are phasing out the use of Ruby in MacOS and Apple \
> > Mac apps. 
> > Googling around about this problem, all the solutions I have found \
> > recommend getting a "ruby-dev" package from Homebrew, but MacPorts, \
> > which I use a lot, recommends against mixing MacPorts and Homebrew.
> 
> Some other package managers observe a distinction between "runtime" and \
> "development" packages, with the latter having a "-dev" suffix. MacPorts \
> does not observe such a distinction. All packages in MacPorts contain \
> both the runtime and development parts, to the extent that each software \
> package has those parts.

I have since found out that all Ruby packages have facilities for \
developing programs or running existing programs, including MacPorts' \
"ruby" and "ruby$NN" packages. The command "gem" is used to build and \
install Ruby programs. I have used the "ruby27" port to build and install \
CocoaPods successfully, I am pleased to say, which was my primary \
objective.

> MacPorts does have port names with a "-devel" suffix, but they embody a \
> completely unrelated concept. Ports with names not ending with "-devel" \
> are typically for stable versions of software while ports with the \
> "-devel" name suffix are for newer unstable versions. 
> > Failing that, would it be safe to install Homebrew and its ruby-dev, \
> > just for building CocoaPods?
> 
> Please choose one package manager and uninstall the other. We do not want \
> to spend time diagnosing problems that were caused by installing software \
> with multiple conflicting package managers.

It turns out that MacPorts Ruby packages do not work "out of the box" \
because the "ruby_select" port file is not doing its job (see "ruby_select \
is broken" thread). I used a "port select" command to complete the \
installation correctly.

Homebrew's Ruby was recommended on Stack Overflow and elsewhere, but it \
provides only the latest Ruby. Besides I have other packages I use on \
MacPorts and won't be going anywhere else in a hurry. There are also \
several Ruby installers such as rbenv or RVM, which might have been my next \
port of call if I had not not gotten a MacPorts' Ruby installed.

Thanks, Ryan.
Ian Wadham.


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