[MacPorts] #70443: liburcu: port extract is broken

[MacPorts]

#70443: liburcu: port extract is broken
--------------------------+------------------------
 Reporter:  barracuda156  |      Owner:  danielluke
     Type:  defect        |     Status:  assigned
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.9.3
 Keywords:                |       Port:  liburcu
--------------------------+------------------------
 {{{
 --->  Extracting userspace-rcu-0.14.0.tar.bz2
 Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_liburcu/liburcu/work"
 && /usr/bin/gzip -dc '/opt/local/var/macports/distfiles/liburcu/userspace-
 rcu-0.14.0.tar.bz2' | /usr/bin/gnutar --no-same-owner -xf -

 gzip: /opt/local/var/macports/distfiles/liburcu/userspace-
 rcu-0.14.0.tar.bz2: not in gzip format
 --->  Configuring liburcu
 Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_liburcu/liburcu/work
 /userspace-rcu-0.14.0" && ./configure --prefix=/opt/local
 sh: ./configure: No such file or directory
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_liburcu/liburcu/work
 /userspace-rcu-0.14.0" && ./configure --prefix=/opt/local
 Exit code: 127
 }}}

 It tries to use a wrong command for extract.

-- 
Ticket URL: <https://trac.macports.org/ticket/70443>
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