我正在尝试在 Ruby 中使用 Summarize gem，但是当我执行gem install summarize时，我得到：
Building native extensions. This could take a while...
ERROR: Error installing summarize:
ERROR: Failed to build gem native extension.
C:/dev/Ruby/bin/ruby.exe extconf.rb
creating Makefile
nmake
Microsoft (R) Program Maintenance Utility Version 1.50
Copyright (c) Microsoft Corp 1988-94. All rights reserved.
cl -nologo -I. -IC:/dev/Ruby/lib/ruby/1.8/i386-mswin32 -IC:/dev/Ruby/lib
/ruby/1.8/i386-mswin32 -I. -MD -Zi -O2b2xg- -G6 -c -Tcarticle.c
cl : Command line warning D4029 : optimization is not available in the standard
edition compiler
cl : Command line warning D4002 : ignoring unknown option '-Og-'
article.c
article.c(21) : fatal error C1083: Cannot open include file: 'stdio.h': No such
file or directory
NMAKE : fatal error U1077: 'C:\Windows\system32\cmd.exe' : return code '0x2'
Stop.
Gem files will remain installed in C:/dev/Ruby/lib/ruby/gems/1.8/gems/summarize-
1.0.3 for inspection.
Results logged to C:/dev/Ruby/lib/ruby/gems/1.8/gems/summarize-1.0.3/ext/summari
ze/gem_make.out
有任何想法吗？？