问安装FXRuby Gem

EN

gem install fxruby
Building native extensions.  This could take a while...
ERROR:  Error installing fxruby:
    ERROR: Failed to build gem native extension.

/usr/local/Cellar/ruby/1.9.2-p290/bin/ruby extconf.rb
*** 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=/usr/local/Cellar/ruby/1.9.2-p290/bin/ruby
    --with-fox-dir
    --without-fox-dir
    --with-fox-include
    --without-fox-include=${fox-dir}/include
    --with-fox-lib
    --without-fox-lib=${fox-dir}/lib
    --with-fxscintilla-dir
    --without-fxscintilla-dir
    --with-fxscintilla-include
    --without-fxscintilla-include=${fxscintilla-dir}/include
    --with-fxscintilla-lib
    --without-fxscintilla-lib=${fxscintilla-dir}/lib
extconf.rb:31:in `find_installed_fox_version': couldn't find FOX header files (RuntimeError)
    from extconf.rb:125:in `<main>'