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

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

Installing openssh-4.7p1-1ark.src.rpm
Building target platforms: x86_64
Building for target x86_64
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.25479
+ umask 022
+ cd /build-openssh-x86_64/BUILD
+ cd /build-openssh-x86_64/BUILD
+ rm -rf openssh-4.7p1
+ tar -xf /usr/src/ark/SOURCES/openssh-4.7p1.tar.lz
+ cd openssh-4.7p1
+ /usr/bin/bzip2 -dc /usr/src/ark/SOURCES/x11-ssh-askpass-1.2.4.1.tar.bz2
+ tar -xf -
+ STATUS=0
+ '[' 0 -ne 0 ']'
++ /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 .
+ echo 'Patch #0 (openssh-4.3-ark.patch):'
Patch #0 (openssh-4.3-ark.patch):
+ patch -p1 -b --suffix .redhat~ -s
+ echo 'Patch #1 (openssh-2.9p1-groups.patch):'
Patch #1 (openssh-2.9p1-groups.patch):
+ patch -p1 -b --suffix .groups~ -s
+ echo 'Patch #2 (openssh-4.4p1-watchdog.patch):'
Patch #2 (openssh-4.4p1-watchdog.patch):
+ patch -p1 -b --suffix .heartbeat~ -s
+ echo 'Patch #3 (openssh-4.3-trustedhost.patch):'
Patch #3 (openssh-4.3-trustedhost.patch):
+ patch -p1 -b --suffix .trustedhost~ -s
+ echo 'Patch #4 (openssh-3.4-defaultoff.patch):'
Patch #4 (openssh-3.4-defaultoff.patch):
+ patch -p1 -b --suffix .off~ -s
+ echo 'Patch #5 (openssh-4.4p1-settings.patch):'
Patch #5 (openssh-4.4p1-settings.patch):
+ patch -p1 -b --suffix .settings~ -s
+ echo 'Patch #6 (openssh-4.2p1-initlog.patch):'
Patch #6 (openssh-4.2p1-initlog.patch):
+ patch -p1 -b --suffix .no-initlog~ -s
+ echo 'Patch #7 (openssh-4.2p1-pam-no-stack.patch):'
Patch #7 (openssh-4.2p1-pam-no-stack.patch):
+ patch -p1 -b --suffix .pamstack~ -s
+ echo 'Patch #8 (openssh-4.6p1-pam-no-loginuid.patch):'
Patch #8 (openssh-4.6p1-pam-no-loginuid.patch):
+ patch -p1 -b --suffix .pamloginuid~ -s
+ echo 'Patch #9 (openssh-4.0p1-exit-deadlock.patch):'
Patch #9 (openssh-4.0p1-exit-deadlock.patch):
+ patch -p1 -b --suffix .dlock~ -s
+ echo 'Patch #11 (openssh-4.7p1-pam-session.patch):'
Patch #11 (openssh-4.7p1-pam-session.patch):
+ patch -p1 -b --suffix .pamsess~ -s
+ exit 0
Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.77770
+ umask 022
+ cd /build-openssh-x86_64/BUILD
+ cd openssh-4.7p1
+ CFLAGS='-O2 -fomit-frame-pointer -fweb -frename-registers'
+ export CFLAGS
+ CXXFLAGS='-O2 -fomit-frame-pointer -fweb -frename-registers -fvisibility-inlines-hidden'
+ export CXXFLAGS
+ FFLAGS='-O2 -fomit-frame-pointer -fweb -frename-registers'
+ export FFLAGS
+ '[' 0 = 1 ']'
+ '[' 0 = 1 ']'
+ CROSSCOMPILE='--target=x86_64-ark-linux --host=x86_64-unknown-linux-gnu --build=x86_64-unknown-linux-gnu'
+ '[' %cross '!=' %cross -a -n %cross ']'
+ export CROSSCOMPILE
+ ./configure --target=x86_64-ark-linux --host=x86_64-unknown-linux-gnu --build=x86_64-unknown-linux-gnu --program-prefix= --prefix=/usr --exec-prefix=/usr --program-prefix= --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/usr/com --mandir=/usr/share/man --infodir=/usr/share/info --sysconfdir=/etc/ssh --libexecdir=/usr/libexec/openssh --datadir=/usr/share/openssh --with-tcp-wrappers --with-rsh=/usr/bin/rsh --with-default-path=/usr/local/bin:/bin:/usr/bin --with-superuser-path=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin --with-privsep-path=/var/empty/sshd --with-xauth=/usr/bin/xauth --with-smartcard --with-pam --without-kerberos5
checking for x86_64-unknown-linux-gnu-gcc... no
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking how to run the C preprocessor... /lib/cpp
configure: error: C preprocessor "/lib/cpp" fails sanity check
See `config.log' for more details.
error: Bad exit status from /var/tmp/rpm-tmp.77770 (%build)


RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.77770 (%build)