Install gtk2 show error on window

Hi,

ruby revision --> 2.0.0p451 x64
windows OS --> win7 64 bit

When I install gtk2 by using “gem install gtk2”,
It will show below error message:

–>

Temporarily enhancing PATH to include DevKit…
Building native extensions. This could take a while…
ERROR: Error installing gtk2:
ERROR: Failed to build gem native extension.

C:/Ruby200-x64/bin/ruby.exe extconf.rb

checking for -Wall option to compiler… yes
checking for -Waggregate-return option to compiler… yes
checking for -Wcast-align option to compiler… yes
checking for -Wextra option to compiler… yes
checking for -Wformat=2 option to compiler… yes
checking for -Winit-self option to compiler… yes
checking for -Wlarger-than-65500 option to compiler… yes
checking for -Wmissing-declarations option to compiler… yes
checking for -Wmissing-format-attribute option to compiler… yes
checking for -Wmissing-include-dirs option to compiler… yes
checking for -Wmissing-noreturn option to compiler… yes
checking for -Wmissing-prototypes option to compiler… yes
checking for -Wnested-externs option to compiler… yes
checking for -Wold-style-definition option to compiler… yes
checking for -Wpacked option to compiler… yes
checking for -Wp,-D_FORTIFY_SOURCE=2 option to compiler… yes
checking for -Wpointer-arith option to compiler… yes
checking for -Wswitch-default option to compiler… yes
checking for -Wswitch-enum option to compiler… yes
checking for -Wundef option to compiler… yes
checking for -Wunsafe-loop-optimizations option to compiler… yes
checking for -Wwrite-strings option to compiler… yes
checking for rb_define_alloc_func() in ruby.h… yes
checking for rb_block_proc() in ruby.h… yes
checking for new allocation framework… yes
checking for attribute assignment… no
checking for Win32 OS… yes
checking for gobject-2.0 version (>= 2.12.0)… no
checking for brew… no
checking for port… no
*** 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:/Ruby200-x64/bin/ruby
–with-pkg-config
–without-pkg-config
–with-override-variables
–without-override-variables

extconf failed, exit code 1

Gem files will remain installed in
C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/glib2-2.2.0 for inspectio
n.
Results logged to
C:/Ruby200-x64/lib/ruby/gems/2.0.0/extensions/x64-mingw32/2.0.0/glib2-2.2.0/gem_ma
ke.out

<—

May I know which step I miss when I install ruby ?

Hi,

Thank you for trying to install Ruby/GTK2!

Actually, gtk2 gem has not support 64-bit Ruby in Windows yet.
If you use 32-bit Ruby, “gem install gtk2” will probably succeed.
(32-bit Ruby works on 64-bit Windows 7.)

Regards,

myokoym