Я новичок в Ruby и Gems, поэтому я могу упустить что-то очевидное:
ERROR: Error installing matlab-ruby:
ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb
Я получил ошибку для нескольких самоцветов, в том числе Ruby GSL.
Я использую Mac OS 10.7.2, Ruby 1.8.7 и XCode 4.2, если это имеет значение.
Полный вывод на консоль:
Building native extensions. This could take a while...
ERROR: Error installing gsl:
ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb
extconf.rb:1: command not found: gsl-config --version
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
Provided configuration options:
--with-opt-dir
--without-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
extconf.rb:237: Check GSL>=0.9.4 is installed, and the command "gsl-config" is in search path. (RuntimeError)
checking gsl version...
Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/gsl-1.14.7 for inspection.
Results logged to /Library/Ruby/Gems/1.8/gems/gsl-1.14.7/ext/gem_make.out