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.
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.
need configuration options.
Provided configuration options:
extconf.rb:49:in `’: uninitialized constant GNU_CHAIN (NameError)
extconf failed, exit code 1
Gem files will remain installed in
Results logged to