LFS 6.8, pthread.h no such file or dir when building gcc
 

I can see the phtread.h under /usr/include/phtread.h

My environment is:
lfs@richard:/mnt/lfs/sources/gcc-build$ env
TERM=xterm
LC_ALL=POSIX
LFS=/mnt/lfs
PATH=/tools/bin:/bin:/usr/bin
PWD=/mnt/lfs/sources/gcc-build
LFS_TGT=i686-lfs-linux-gnu
PS1=${debian_chroot:+($debian_chroot)}\u@\h:\w\$
SHLVL=1
HOME=/home/lfs
_=/usr/bin/env
OLDPWD=/mnt/lfs/sources/gcc-4.5.2

Host system is Ubuntu 11.04.

I tried again, it succeeds.