On 11/23/2012 07:33 PM, nettxzl wrote: > (Sorry if this comes through twice. My first attempt seems to have vanished.) > > Hi, > > I was starting the gcc-4.7.1 (Pass 1) build in Chap. 5 and I was > trying to unpack the files compressed with xz following the command > given there: > > tar -Jxf ../mpfr-3.1.1.tar.xz > > but I got this error message: > > tar: invalid option -- J > > I guessed my host system tar is too old, but it is tar-1.19 and this > is newer than the minimum version, tar-1.18, stated in the host system > requirements. > It's not a problem because I can unpack the files in two steps: first > with xz, then with tar. > > But I think you may want to update the tar version in the host system > requirements.
I just confirmed this with a built-from-source vanilla tar 1.20, which is also newer than the current Host System Requirments state - indeed it does not support xz archives, and the book should certainly be updated to specify a newer minimum version. -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
