Question

我正在尝试在Ruby中使用Summarize gem，但当我执行 gem install summary 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

任何想法??

Answer 1

您正在使用Microsoft C ++编译器。安装MinGW：它是你可以在* nixes（包括GCC，GNU编译器）中找到的POSIX工具集的一个端口。

http://www.mingw.org/

如果您使用RubyInstaller来安装Ruby，那么建议您使用MinGW的精美包装版本：

http://rubyinstaller.org/add-ons/devkit/

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