k9copy failed on x86_64 dockyard-devel (c64.arklinux.org)

k9copy failed to build on x86_64 for dockyard-devel.
Last 250 lines of build log:

Installing k9copy-1.1.3-1ark.src.rpm
Building target platforms: x86_64
Building for target x86_64
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.69819
+ umask 022
+ cd /build-k9copy-x86_64/BUILD
+ cd /build-k9copy-x86_64/BUILD
+ rm -rf k9copy-1.1.3
+ tar -xf /usr/src/ark/SOURCES/k9copy-1.1.3.tar.lz
+ cd k9copy-1.1.3
+ tar -xf /usr/src/ark/SOURCES/vamps-0.99.2.tar.lz
++ /usr/bin/id -u
+ '[' 0 = 0 ']'
+ /bin/chown -Rhf root .
++ /usr/bin/id -u
+ '[' 0 = 0 ']'
+ /bin/chgrp -Rhf root .
+ /bin/chmod -Rf a+rX,g-w,o-w .
+ rm -rf admin
+ cp -a /usr/share/autoconf/kde admin
+ '[' -e Makefile.cvs ']'
+ make -f Makefile.cvs
This Makefile is only for the CVS repository
This will be deleted before making the distribution

*** YOU'RE USING UNSERMAKE.
*** GOOD LUCK!! :)
*** Creating acinclude.m4
make[2]: Entering directory `/build-k9copy-x86_64/BUILD/k9copy-1.1.3'
make[2]: Leaving directory `/build-k9copy-x86_64/BUILD/k9copy-1.1.3'
*** Creating list of subdirectories
make[2]: Entering directory `/build-k9copy-x86_64/BUILD/k9copy-1.1.3'
cd . && make -f admin/Makefile.common subdirs
make[3]: Entering directory `/build-k9copy-x86_64/BUILD/k9copy-1.1.3'
make[3]: Leaving directory `/build-k9copy-x86_64/BUILD/k9copy-1.1.3'
make[2]: Leaving directory `/build-k9copy-x86_64/BUILD/k9copy-1.1.3'
*** Creating configure.files
*** Creating configure.in
make[2]: Entering directory `/build-k9copy-x86_64/BUILD/k9copy-1.1.3'
cd . && make -f admin/Makefile.common configure.in ;
make[3]: Entering directory `/build-k9copy-x86_64/BUILD/k9copy-1.1.3'
make[3]: Leaving directory `/build-k9copy-x86_64/BUILD/k9copy-1.1.3'
make[2]: Leaving directory `/build-k9copy-x86_64/BUILD/k9copy-1.1.3'
*** Creating aclocal.m4
acinclude.m4:3706: the serial number must appear before any macro definition
acinclude.m4:3751: the serial number must appear before any macro definition
acinclude.m4:3796: the serial number must appear before any macro definition
acinclude.m4:6005: the serial number must appear before any macro definition
/usr/share/aclocal/smpeg.m4:13: warning: underquoted definition of AM_PATH_SMPEG
/usr/share/aclocal/smpeg.m4:13:   run info '(automake)Extending aclocal'
/usr/share/aclocal/smpeg.m4:13:   or see http://sources.redhat.com/automake/automake.html#Extending-aclocal
*** Creating configure
*** Creating config.h template
*** Creating Makefile templates
ERROR:src/Makefile.am: unknown source extension .png for k9copy
make[1]: *** [cvs] Error 1
make: *** [all] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.69819 (%prep)


RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.69819 (%prep)