On Nov 9, 2011, at 11:43 AM, Adrian Byng-Clarke wrote:

> Yes i have..
> 
> xcodebuild -version
> Xcode 4.2
> Build version 4D199
> 

Good!

The current gem for ffi is 1.0.10, and it seems to build cleanly under 10.7.2 for me.
Perhaps this is an issue of Bundler/Brew being behind?

- Colby

> Adrian
> 
> On Nov 9, 2011, at 11:59 AM, Colby Gutierrez-Kraybill wrote:
> 

>> 
>> Have you installed Xcode/Developer tools?
>> 
>> - Colby
>> 
>> On Nov 8, 2011, at 5:29 PM, Adrian wrote:
>> 

>>> When trying to install the lib ffi as a ruby gem from bundler or brew
>>> i get the following output.. Has anybody run into this and found a
>>> solution?
>>> 
>>> Adrian
>>> 
>>> 
>>> 11.2.0 Darwin Kernel Version 11.2.0: Tue Aug  9 20:54:00 PDT 2011;
>>> root:xnu-1699.24.8~1/RELEASE_X86_64 x86_64
>>> 
>>> 
>>> 
>>> Installing ffi (1.0.9) with native extensions
>>> Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native
>>> extension.
>>> 
>>>      /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/
>>> ruby extconf.rb
>>> checking for ffi.h in /usr/local/include... no
>>> checking for rb_thread_blocking_region()... no
>>> checking for ruby_thread_has_gvl_p()... no
>>> checking for ruby_native_thread_p()... no
>>> checking for rb_thread_call_with_gvl()... no
>>> creating extconf.h
>>> creating Makefile
>>> 
>>> make
>>> Configuring libffi for rch
>>> configure: WARNING: If you wanted to set the --build type, don't use --
>>> host.
>>>  If a cross compiler is detected then cross compile mode will be
>>> used.
>>> Invalid configuration `rch-apple-darwin': machine `rch-apple' not
>>> recognized
>>> configure: error: /bin/sh /Users/adrian/.bundler/tmp/21514/gems/
>>> ffi-1.0.9/ext/ffi_c/libffi/config.sub rch-apple-darwin failed
>>> make[1]: *** No targets specified and no makefile found.  Stop.
>>> Configuring libffi for rch
>>> configure: WARNING: If you wanted to set the --build type, don't use --
>>> host.
>>>  If a cross compiler is detected then cross compile mode will be
>>> used.
>>> Invalid configuration `rch-apple-darwin': machine `rch-apple' not
>>> recognized
>>> configure: error: /bin/sh /Users/adrian/.bundler/tmp/21514/gems/
>>> ffi-1.0.9/ext/ffi_c/libffi/config.sub rch-apple-darwin failed
>>> make[1]: *** No targets specified and no makefile found.  Stop.
>>> make: *** [/Users/adrian/.bundler/tmp/21514/gems/ffi-1.0.9/ext/ffi_c/
>>> libffi/.libs/libffi_convenience.a] Error 2
>>> 
>>> 
>>> Gem files will remain installed in /Users/adrian/.bundler/tmp/21514/
>>> gems/ffi-1.0.9 for inspection.
>>> Results logged to /Users/adrian/.bundler/tmp/21514/gems/ffi-1.0.9/ext/
>>> ffi_c/gem_make.out
>>> An error occured while installing ffi (1.0.9), and Bundler cannot
>>> continue.
>>> Make sure that `gem install ffi -v '1.0.9'` succeeds before bundling.

>> 

>