When trying to install webdriver gem under Cygwin I received the following error:
"gem install selenium-webdriver-2.26.0.gem": (Note that I want to install the Webdriver gem under Cygwin using Ruby).
$ gem install selenium-webdriver-2.26.0.gem Building native extensions. This could take a while... ERROR: Error installing selenium-webdriver-2.26.0.gem: ERROR: Failed to build gem native extension. /usr/bin/ruby.exe extconf.rb checking for ffi.h... *** 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/bin/ruby --with-ffi_c-dir --without-ffi_c-dir --with-ffi_c-include --without-ffi_c-include=${ffi_c-dir}/include --with-ffi_c-lib --without-ffi_c-lib=${ffi_c-dir}/lib --with-libffi-config --without-libffi-config --with-pkg-config --without-pkg-config /usr/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError) You have to install development tools first. from /usr/lib/ruby/1.9.1/mkmf.rb:506:in `try_cpp' from /usr/lib/ruby/1.9.1/mkmf.rb:931:in `block in have_header' from /usr/lib/ruby/1.9.1/mkmf.rb:790:in `block in checking_for' from /usr/lib/ruby/1.9.1/mkmf.rb:284:in `block (2 levels) in postpone' from /usr/lib/ruby/1.9.1/mkmf.rb:254:in `open' from /usr/lib/ruby/1.9.1/mkmf.rb:284:in `block in postpone' from /usr/lib/ruby/1.9.1/mkmf.rb:254:in `open' from /usr/lib/ruby/1.9.1/mkmf.rb:280:in `postpone' from /usr/lib/ruby/1.9.1/mkmf.rb:789:in `checking_for' from /usr/lib/ruby/1.9.1/mkmf.rb:930:in `have_header' from extconf.rb:14:in `<main>' Gem files will remain installed in /usr/lib/ruby/gems/1.9.1/gems/ffi-1.2.0 for inspection. Results logged to /usr/lib/ruby/gems/1.9.1/gems/ffi-1.2.0/ext/ffi_c/gem_make.out
Please explain to me what I need to do to solve this problem? Any help is greatly appreciated.
source share