[Libreoffice] Problem with make on fedora 15

Hi,

We are group of 3 students from Vietnam. We are trying to build 
Libreoffice on Fedora 15

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Build environment: Fedora 15, default installation, yum up to date.

[tatung@tatung-laptop ~]$ gcc --version | grep gcc
gcc (GCC) 4.6.0 20110530 (Red Hat 4.6.0-9)
[tatung@tatung-laptop ~]$ rpm -qa | grep glibc
glibc-common-2.14-3.i686
glibc-devel-2.14-3.i686
glibc-headers-2.14-3.i686
glibc-2.14-3.i686
[tatung@tatung-laptop ~]$ uname -a
Linux tatung-laptop 2.6.38.8-32.fc15.i686 #1 SMP Mon Jun 13 20:01:50 UTC 
2011 i686 i686 i386 GNU/Linux
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 We've followed this link
http://www.documentfoundation.org/develop/
In addition, before running autogen.sh, I've installed gnome-vfs2-devel.
autogen.sh was OK but when I tried to run make (not "make dev-install" 
yet), an error appeared

http://pastebin.com/S3J1DxBu

I've tried to follow the instructions

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rm -Rf /home/tatung/mhst2011/git/libo/tail_build/unxlngi6.pro # optional 
module 'clean'
/bin/sh
cd /home/tatung/mhst2011/git/libo
source ./LinuxX86Env.Set.sh
cd tail_build
make -r
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However, the error is still there. So please help :)

Thanks and Best Regards,
tatung