做LFS遇到问题，求解决

lfs@bogon:/mnt/lfs/sources/binutils-build$ make install

make[1]: Entering directory `/mnt/lfs/sources/binutils-build‘

/bin/sh ../binutils-2.25/mkinstalldirs /tools--with-sysroot=/mnt/lfs--with-lib-path=/tools/lib--target=x86_64-lfs-linux-gnu /tools--with-sysroot=/mnt/lfs--with-lib-path=/tools/lib--target=x86_64-lfs-linux-gnu

mkdir -p -- /tools--with-sysroot=/mnt/lfs--with-lib-path=/tools/lib--target=x86_64-lfs-linux-gnu /tools--with-sysroot=/mnt/lfs--with-lib-path=/tools/lib--target=x86_64-lfs-linux-gnu

mkdir: cannot create directory ‘/tools--with-sysroot=‘: Permission denied

mkdir: cannot create directory ‘/tools--with-sysroot=‘: Permission denied

make[1]: *** [installdirs] Error 1

make[1]: Leaving directory `/mnt/lfs/sources/binutils-build‘

make: *** [install] Error 2

做LFS，没有权限创建目录，这个问题怎么弄？

做LFS遇到问题，求解决

原文：http://my.oschina.net/icngor/blog/526030