- Ruby 1.9.3
- RVM 1.10.0
- Mac OSX 10.7.2
- XCode 4.2
Our team ran into an issue installing Ruby 1.9.3 on Lion today. When running…
$ rvm install ruby-1.9.3
… the installer fails with an error message including “checking whether the C compiler works… no” even though we had XCode and gcc installed.
After some reading on StackOverflow and Github I found this solution …
$ rvm install 1.9.3-p0 --with-gcc=clang
… which points an explanation on RVM’s issue tracker .
See our full command line history and error messages below:
$ rvm install ruby-1.9.3-p0 Installing Ruby from source to: /Users/foobar/.rvm/rubies/ruby-1.9.3-p0, this may take a while depending on your cpu(s)... ruby-1.9.3-p0 - #fetching ruby-1.9.3-p0 - #extracted to /Users/foobar/.rvm/src/ruby-1.9.3-p0 (already extracted) Fetching yaml-0.1.4.tar.gz to /Users/foobar/.rvm/archives Extracting yaml-0.1.4.tar.gz to /Users/foobar/.rvm/src Configuring yaml in /Users/foobar/.rvm/src/yaml-0.1.4. Compiling yaml in /Users/foobar/.rvm/src/yaml-0.1.4. Installing yaml to /Users/foobar/.rvm/usr ruby-1.9.3-p0 - #configuring ERROR: Error running ' ./configure -- prefix=/Users/foobar/.rvm/rubies/ruby-1.9.3-p0 --enable- shared --disable-install-doc --with-libyaml- dir=/Users/foobar/.rvm/usr ', please read /Users/foobar/.rvm/log/ruby-1.9.3-p0/configure.log ERROR: There has been an error while running configure. Halting the installation. $ cat /Users/foobar/.rvm/log/ruby-1.9.3-p0/configure.log [2012-01-13 10:31:49] ./configure -- prefix=/Users/foobar/.rvm/rubies/ruby-1.9.3-p0 --enable-shared --disable-install-doc --with-libyaml- dir=/Users/foobar/.rvm/usr configure: WARNING: unrecognized options: --with-libyaml-dir checking build system type... x86_64-apple-darwin11.2.0 checking host system type... x86_64-apple-darwin11.2.0 checking target system type... x86_64-apple-darwin11.2.0 checking whether the C compiler works... no configure: error: in `/Users/foobar/.rvm/src/ruby-1.9.3-p0': configure: error: C compiler cannot create executables See `config.log' for more details
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