I got the below error when trying to install webdriver gem
under Cygwin
:
"gem install selenium-webdriver-2.26.0.gem": (Note that I want to install 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 guide me what thing I need to do to solve this problem? Any help is much appreciated.
答案是Cygwin不支持安装webdriver gem(请参阅我的问题给Selenium的人了解详细信息: http : //code.google.com/p/selenium/issues/detail? id = 4812),所以我尝试过而是在Ruby命令提示符窗口上安装。
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