Am trying to install rbczmq required by iruby on a windows machine and
this error keeps appearing. Am currently doing some deep learning and I
need to use sciruby and iruby to perform the actions required
PS C:> gem install iruby
Temporarily enhancing PATH to include DevKit…
Building native extensions.
This could take a while…
ERROR: Error installing iruby:
ERROR: Failed to build gem native extension.
C:/RailsInstaller/Ruby2.1.0/bin/ruby.exe -r
./siteconf20150710-76680-1u0zekx.rb extconf.rb
checking for windows.h… yes
checking for winsock.h… yes
checking for main() in -lkernel32… yes
checking for main() in -lrpcrt4… yes
checking for main() in -lgdi32… 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
–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=C:/RailsInstaller/Ruby2.1.0/bin/ruby
–with-kernel32lib
–without-kernel32lib
–with-rpcrt4lib
–without-rpcrt4lib
–with-gdi32lib
–without-gdi32lib
extconf.rb:49:in `’: uninitialized constant GNU_CHAIN (NameError)
extconf failed, exit code 1
Gem files will remain installed in
C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/gems/rbczmq-1.7.9 for
inspection.
Results logged to
C:/RailsInstaller/Ruby2.1.0/lib/ruby/gems/2.1.0/extensions/x86-mingw32/2.1.0/rbczmq-1.7.9/gem_make.out