为什么g++不能用，gcc编译.c文件没有问题

g++ first.cpp
In file included from /usr/include/bits/posix1_lim.h:126,
from /usr/include/limits.h:144,
from /usr/lib/gcc-lib/i386-pc-linux/3.2/include/limits.h:132,
from /usr/lib/gcc-lib/i386-pc-linux/3.2/include/syslimits.h:7,
from /usr/lib/gcc-lib/i386-pc-linux/3.2/include/limits.h:11,
from /usr/include/c++/3.2/climits:49,
from /usr/include/c++/3.2/bits/localefwd.h:47,
from /usr/include/c++/3.2/ios:48,
from /usr/include/c++/3.2/ostream:45,
from /usr/include/c++/3.2/iostream:45,
from first.cpp:1:
/usr/include/bits/local_lim.h:36:26: linux/limits.h: 没有那个文件或目录
In file included from /usr/include/errno.h:36,
from /usr/include/c++/3.2/cerrno:48,
from /usr/include/c++/3.2/bits/locale_facets.tcc:38,
from /usr/include/c++/3.2/locale:46,
from /usr/include/c++/3.2/bits/ostream.tcc:37,
from /usr/include/c++/3.2/ostream:275,
from /usr/include/c++/3.2/iostream:45,
from first.cpp:1:
/usr/include/bits/errno.h:25:26: linux/errno.h: 没有那个文件或目录

开始装glibc时候，不能安装，我强行进行了安装。
然后装gcc
最后装g++
都并没有问题

卸载冲撞了一个，ok了。百忙了好几天，郁闷中