I am trying to install Visual Ruby on OSX. Following the tutorial on VisualRuby.net, I did the following.
brew install gtk+
then
brew install gtksourceview
and finally:
sudo gem install visualruby
resulting in the following error message. I have no idea what is wrong, any ideas?
Building native extensions. This could take a while... ERROR: Error installing visualruby: ERROR: Failed to build gem native extension. /Users/ma/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb checking for -Wall option to compiler... yes checking for -Waggregate-return option to compiler... yes checking for -Wcast-align option to compiler... yes checking for -Wextra option to compiler... yes checking for -Wformat=2 option to compiler... yes checking for -Winit-self option to compiler... yes checking for -Wlarger-than-65500 option to compiler... yes checking for -Wmissing-declarations option to compiler... yes checking for -Wmissing-format-attribute option to compiler... yes checking for -Wmissing-include-dirs option to compiler... yes checking for -Wmissing-noreturn option to compiler... yes checking for -Wmissing-prototypes option to compiler... yes checking for -Wnested-externs option to compiler... yes checking for -Wold-style-definition option to compiler... yes checking for -Wpacked option to compiler... yes checking for -Wp,-D_FORTIFY_SOURCE=2 option to compiler... yes checking for -Wpointer-arith option to compiler... yes checking for -Wswitch-default option to compiler... yes checking for -Wswitch-enum option to compiler... yes checking for -Wundef option to compiler... yes checking for -Wunsafe-loop-optimizations option to compiler... yes checking for -Wwrite-strings option to compiler... yes checking for rb_define_alloc_func() in ruby.h... yes checking for rb_block_proc() in ruby.h... yes checking for new allocation framework... yes checking for attribute assignment... no checking for cairo... yes checking for rb_cairo.h... yes checking for Win32 OS... no checking for gtksourceview-2.0... yes *** 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 --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=/Users/ma/.rvm/rubies/ruby-1.9.3-p194/bin/ruby --with-pkg-config --without-pkg-config --with-override-variables --without-override-variables /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:239:in `parse_pc': .pc for libxml-2.0 doesn't exist. (RuntimeError) from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:181:in `declaration' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:130:in `requires_private' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:311:in `all_required_packages' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:195:in `collect_cflags' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:134:in `cflags' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:196:in `block in collect_cflags' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:195:in `collect' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:195:in `collect_cflags' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:134:in `cflags' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:364:in `cflags' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/pkg-config-1.1.4/lib/pkg-config.rb:415:in `have_package' from /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/glib2-1.1.5/lib/mkmf-gnome2.rb:540:in `required_pkg_config_package' from extconf.rb:58:in `<main>' Gem files will remain installed in /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/gtksourceview2-1.1.5 for inspection. Results logged to /Users/ma/.rvm/gems/ruby-1.9.3-p194/gems/gtksourceview2-1.1.5/ext/gtksourceview2/gem_make.out
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