[...]

l-exec-am'.
make[2]: Nothing to be done for `install-data-am'.
make[2]: Leaving directory `/home/users/builder/rpm/BUILD/iptables-1.4.21'
make[1]: Leaving directory `/home/users/builder/rpm/BUILD/iptables-1.4.21'
+ cp -p libiptc/libiptc.ld /tmp/B.9e35c8/iptables-1.4.21-root-builder/usr/lib64/libiptc.so
+ install -p /home/users/builder/rpm/SOURCES/iptables.init /tmp/B.9e35c8/iptables-1.4.21-root-builder/etc/rc.d/init.d/iptables
+ install -p /home/users/builder/rpm/SOURCES/ip6tables.init /tmp/B.9e35c8/iptables-1.4.21-root-builder/etc/rc.d/init.d/ip6tables
+ install -d /tmp/B.9e35c8/iptables-1.4.21-root-builder/etc/init
+ cp -p %{SOURCE4} /tmp/B.9e35c8/iptables-1.4.21-root-builder/etc/init/iptables.conf
cp: cannot stat '%{SOURCE4}': No such file or directory
error: Bad exit status from /tmp/B.9e35c8/rpm-tmp.22495 (%install)
RPM build errors:
    Bad exit status from /tmp/B.9e35c8/rpm-tmp.22495 (%install)
ended at: Tue Apr 28 13:25:15 2015, done in 01days 00h 00m 59s
error: No files produced.
mesg: ttyname failed: Inappropriate ioctl for device
Begin-PLD-Builder-Info
Build-Time: user:67.94s sys:36.82s real:79.25s (faults io:33 non-io:3083540)
End-PLD-Builder-Info