开始没装 gcc，报错了

装了 gcc 后，还是有如下错误，大家帮着看看吧

make install
make: /usr/local/bin/mkdir: Command not found
make: [/usr/local/lib/ruby/gems/1.9.1/gems/ruby-oci8-2.1.0/lib/oci8lib_191.so] Error 127 (ignored)
/usr/local/bin/ginstall -c -m 0755 oci8lib_191.so /usr/local/lib/ruby/gems/1.9.1/gems/ruby-oci8-2.1.0/lib
make: /usr/local/bin/ginstall: Command not found
make: *** [/usr/local/lib/ruby/gems/1.9.1/gems/ruby-oci8-2.1.0/lib/oci8lib_191.so] Error 127

用 oracle 用户装的