E: incoming x86_64 reject: libgnome-sharp-2.16.0-alt5

[Upravdom Team Robot]

Dear Alexey Shabalin (AltLinux Team)!
The libgnome-sharp-2.16.0-alt5 package has been rejected from incoming
for x86_64 architecture.

Possible reason follows:
checking if x86_64-alt-linux-gcc supports -c -o file.o... yes
checking whether the x86_64-alt-linux-gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
checking dynamic linker characteristics... GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
checking whether stripping libraries is possible... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no
configure: creating libtool
appending configuration tag "CXX" to libtool
appending configuration tag "F77" to libtool
checking for void *... yes
checking size of void *... 8
checking for pkg-config... /usr/bin/pkg-config
checking for x86_64-alt-linux-pkg-config... (cached) /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for MONO_DEPENDENCY... yes
checking for gacutil... /usr/bin/gacutil
checking for al... no
configure: error: No al tool found. You need to install either the mono or .Net SDK.


RPM build errors:
error: Bad exit status from /usr/src/tmp/rpm-tmp.22017 (%build)
    Bad exit status from /usr/src/tmp/rpm-tmp.22017 (%build)
Command exited with non-zero status 1
15.93user 2.52system 0:21.15elapsed 87%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+827292minor)pagefaults 0swaps
hsh-rebuild: rebuild of `libgnome-sharp-2.16.0-alt5.src.rpm' failed.


-- 
Rgrds, your upravdom