Building problem with mock devel

[Tanguy Eric]

/etc/profile: line 38: /bin/hostname: No such file or directory
Installing /builddir/build/SRPMS/libupnp-1.6.0-2.fc8.src.rpm
Building target platforms: i386
Building for target i386
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.13507
+ umask 022
+ cd /builddir/build/BUILD
+ LANG=C
+ export LANG
+ unset DISPLAY
+ cd /builddir/build/BUILD
+ rm -rf libupnp-1.6.0
+ /usr/bin/bzip2 -dc /builddir/build/SOURCES/libupnp-1.6.0.tar.bz2
+ tar -xf -
tar: error while loading shared libraries: libacl.so.1: cannot open
shared object file: No such file or directory

bzip2: I/O or other error, bailing out.  Possible reason follows.
bzip2: Broken pipe
        Input file = /builddir/build/SOURCES/libupnp-1.6.0.tar.bz2,
output file = (stdout)

Someone could help to solve this ?

Eric