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I'm trying to switch from Ruby 1.8 to 1.9.3 through RVM : 

rvm install 1.9.3

But everytime I have a warning : 

Missing required packages: autoconf, automake, libtool, pkg-config, libyaml, readline, libxml2, libxslt, libksba, openssl, curl-ca-bundle, sqlite.

I tried with 

rvm pkg install libyaml

but nothing better. Everytime I have this warning, and it's preventing me from installing rails 3 (missing libyaml and openssl). Anyone already solved that ? Thanks for your help.

I'm running Mac OS X 10.8.2

Fabien Lebas
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  • Check this question if it is helpful. http://stackoverflow.com/questions/15207239/missing-required-packages-including-libyaml – HemChe Mar 10 '13 at 16:34

2 Answers2

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Try running

rvm requirements

And then:

brew install autoconf automake libtool pkg-config apple-gcc42 libyaml readline libxml2 libxslt libksba openssl sqlite

If you still have issues you can check this out - click here

mart1nn
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  • Thanks ! I used the link to install Homebrew, and then the brew install command worked for all except libxml2 and libxslt. I "bundle install"ed, then installed rails : not working. I tried again to brew install these 2 and now it worked ! Pfiou ! Thanks for your help ! – Fabien Lebas Mar 11 '13 at 08:31
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    if you get `Error: No available formula for apple-gcc42` Error with mountain lion , try `brew tap --repair homebrew/dupes` , then try reinstalling – AbdullahDiaa Apr 06 '13 at 14:01
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This is new functionality for RVM 1.19, we will work on improving the messages, for now just try:

rvm get head
rvm install 1.9.3 --autolibs=3
mpapis
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  • it did not because I assumed it is obvious to run `rvm get head` first - updating instructions – mpapis Mar 11 '13 at 17:43