致命错误：ruby/config.h:没有这样的文件或目录

我正在尝试在fedora 17上安装korundum。在$make阶段，我得到了以下错误：

In file included from /usr/include/ruby.h:32:0,
                 from Qt.cpp:49:
/usr/include/ruby/ruby.h:24:25: fatal error: ruby/config.h: No such file or directory
compilation terminated.
make[5]: *** [Qt.lo] Error 1
make[5]: Leaving directory `/home/n/Downloads/korundum-3.5.5/qtruby/rubylib/qtruby'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory `/home/n/Downloads/korundum-3.5.5/qtruby/rubylib/qtruby'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/home/n/Downloads/korundum-3.5.5/qtruby/rubylib'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/n/Downloads/korundum-3.5.5/qtruby'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/n/Downloads/korundum-3.5.5'
make: *** [all] Error 2

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如何解决这个问题？我疯了。

错误消息表明您需要安装ruby dev文件，但没有安装。

为什么不使用yum安装？