Re: installing ruby 1.9.3 in michael hartl's ruby on rails tutorial

[Frederick Cheung]

On Friday, December 28, 2012 6:30:05 PM UTC, Adam Zerner wrote:

some other information...

I don't see a .rvm folder under adamzerner, so I can't read what it tells me to (not that I would understand what I'd be reading anyway).

folders beginning with . are invisible. You can still cd to such a folder in a terminal window (use ls -a to see invisible files/folders) or browser to in the finder with apple-shift-G

Fred

[Scott Eisenberg]

The compiler that comes with Xcode doesn't work with ruby. 

You need to install the version of gcc that works with it and set up a symlink. 

I'm on a plane so I don't have the details with me. Google a bit and you should find blog entries with details. 

On Dec 28, 2012, at 1:30 PM, Adam Zerner <azer...@gmail.com> wrote:

I'm working on Michael Hartl's ruby on rails tutorial http://ruby.railstutorial.org/ruby-on-rails-tutorial-book#sec-development_tools.

I installed Git, updated my OS to 10.8.2 and downloaded XCode 4.5.2.

when I type in

rvm install 1.9.3

this long thing comes up...

Ruby (and needed base gems) for your selection will be installed shortly.
Before it happens, please read and execute the instructions below.
Please use a separate terminal to execute any additional commands.

  Notes for Mac OS X 10.8.2, Xcode 4.5.2.

For JRuby:  Install the JDK. See http://developer.apple.com/java/download/  # Current Java version "1.6.0_26"
For IronRuby: Install Mono >= 2.6
For Ruby 1.9.3: Install libksba # If using Homebrew, 'brew install libksba'
For Opal: Install Nodejs with NPM. See http://nodejs.org/download/

To use an RVM installed Ruby as default, instead of the system ruby:

    rvm install 1.8.7 # installs patch 357: closest supported version
    rvm system ; rvm gemset export system.gems ; rvm 1.8.7 ; rvm gemset import system.gems # migrate your gems
    rvm alias create default 1.8.7

And reopen your terminal windows.

Xcode and gcc:

Right now Ruby requires gcc to compile, but Xcode 4.2 and later no longer ship with gcc. Instead they ship with llvm-gcc (to which gcc is a symlink) and clang, neither of which are supported for building Ruby. Xcode 4.1 was the last version to ship gcc, which was /usr/bin/gcc-4.2.

Xcode 4.1 and earlier:
- Ruby will build fine.

Xcode 4.2 and later (including Command Line Tools for Xcode):
- If you have gcc-4.2 (and friends) from an earlier Xcode version, Ruby will build fine.
- If you don't have gcc-4.2, you have two options to get it:
 * Install apple-gcc42 from Homebrew
 * Install osx-gcc-installer

  Homebrew:

  If you are using Homebrew, you can install the apple-gcc42 and required libraries from homebrew/dupes:

      brew update
      brew tap homebrew/dupes
      brew install autoconf automake apple-gcc42
      rvm pkg install openssl

  Xcode 4.2+ install or/and Command Line Tools for Xcode is required to provide make and other tools.

  osx-gcc-installer:

  If you don't use Homebrew, you can download and install osx-gcc-installer: https://github.com/kennethreitz/osx-gcc-installer.

  Warning: Installing osx-gcc-installer on top of a recent Xcode is known to cause problems, so you must uninstall Xcode before installing osx-gcc-installer. Afterwards you may install Xcode 4.2+ or Command Line Tools for Xcode if you desire.

  ** NOTE: Currently, Node.js is having issues building with osx-gcc-installer. The only fix is to install Xcode over osx-gcc-installer.

Press 'q' to continue.
~
(END) 

Originally I had to get homebrew and

brew install libksba

but I did that already and it works. That leads to "Xcode and gcc:" and everything below it.

So, I have homebrew, and the following three commands work:

  brew update
  brew tap homebrew/dupes
  brew install autoconf automake apple-gcc42

But when I try

rvm pkg install openssl

this is what happens

Fetching openssl-1.0.1c.tar.gz to /Users/adamzerner/.rvm/archives
Extracting openssl to /Users/adamzerner/.rvm/src/openssl-1.0.1c
Configuring openssl in /Users/adamzerner/.rvm/src/openssl-1.0.1c.
Compiling openssl in /Users/adamzerner/.rvm/src/openssl-1.0.1c.
Error running 'make', please read /Users/adamzerner/.rvm/log/openssl/make.log

Please note that it's required to reinstall all rubies:

    rvm reinstall all --force

Updating openssl certificates
Error running 'update_openssl_certs', please read /Users/adamzerner/.rvm/log/openssl.certs.log

And this is what happens when I try what it says...

Adam-Zerners-MacBook-Pro:~ adamzerner$ rvm reinstall all --force
Adam-Zerners-MacBook-Pro:~ adamzerner$ 

some other information...

I don't see a .rvm folder under adamzerner, so I can't read what it tells me to (not that I would understand what I'd be reading anyway).

It seems that I have 1.8.7 installed:

Adam-Zerners-MacBook-Pro:~ adamzerner$ ruby -v
ruby 1.8.7 (2012-02-08 patchlevel 358) [universal-darwin12.0]

So... to summarize... when I try to run

rvm install 1.9.3

I get the gcc/Xcode problem. To fix that it says to download apple-gcc42 from Homebrew. When I do that, I get a problem after doing

rvm pkg install openssl

The problem being that I need to reinstall all rubies. When I do that:

rvm reinstall all --force

it seems that nothing happens.

Thanks in advance to anyone willing to help me with this problem!

EDIT: I forgot to say this before. For the "long thing" up above, when I press q to continue, this is what happens...

Searching for binary rubies, this might take some time.
https://rvm.io/binaries/osx/10.8/x86_64/ruby-1.9.3-p327.tar.bz2 - #configure
ruby-1.9.3-p327 - #download
ruby-1.9.3-p327 - #extract
ruby-1.9.3-p327 - #validate
Libraries missing for ruby-1.9.3-p327: env. Refer to your system manual for installing libraries
Mounting remote ruby failed, trying to compile.
Fetching yaml-0.1.4.tar.gz to /Users/adamzerner/.rvm/archives
Extracting yaml to /Users/adamzerner/.rvm/src/yaml-0.1.4
Configuring yaml in /Users/adamzerner/.rvm/src/yaml-0.1.4.
Error running './configure --prefix=/Users/adamzerner/.rvm/usr', please read /Users/adamzerner/.rvm/log/ruby-1.9.3-p327/yaml/configure.log
Compiling yaml in /Users/adamzerner/.rvm/src/yaml-0.1.4.
Error running 'make', please read /Users/adamzerner/.rvm/log/ruby-1.9.3-p327/yaml/make.log
Installing Ruby from source to: /Users/adamzerner/.rvm/rubies/ruby-1.9.3-p327, this may take a while depending on your cpu(s)...
ruby-1.9.3-p327 - #downloading ruby-1.9.3-p327, this may take a while depending on your connection...
ruby-1.9.3-p327 - #extracted to /Users/adamzerner/.rvm/src/ruby-1.9.3-p327 (already extracted)
ruby-1.9.3-p327 - #configuring
Error running './configure --enable-shared --disable-install-doc --prefix=/Users/adamzerner/.rvm/rubies/ruby-1.9.3-p327 --with-opt-dir=/Users/adamzerner/.rvm/usr', please read /Users/adamzerner/.rvm/log/ruby-1.9.3-p327/configure.log
There has been an error while running configure. Halting the installation.




what happens when you sudo ln -s /usr/bin/llvm-gcc-4.2 /usr/bin/gcc and re run the ruby install? – Oliver Atkinson Dec 25 at 10:35
	Does the solution is this StackOverflow thread work for you? – Paul Fioravanti Dec 25 at 11:35
	@OliverAtkinson is that all in one line? and should i type "usr" or "adamzerner"? – Adam Zerner Dec 25 at 17:36
	@Paul Floravanti I'm not sure. I don't understand what's going on there enough, and I'm following a somewhat rigid rails tutorial and I'm not sure if doing something it says there will negate/interfere with anything I've done or will be doing in the tutorial. – Adam Zerner Dec 25 at 17:40
1	@AdamZerner copy and paste exactly what I put - and yes its /usr/ – Oliver Atkinson 2 days ago
	@OliverAtkinson when I copy and paste what you put and then re run the ruby install, the same "long thing" comes up – Adam Zerner 2 days ago

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[Adam Zerner]

The problem is solved! see http://stackoverflow.com/questions/14029119/installing-ruby-1-9-3-in-michael-hartls-ruby-on-rails-tutorial/14085987#14085987

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