E: incoming x86_64 reject: grass-6.2.2-alt1

[Upravdom Team Robot]

Dear Anton V. Boyarshinov!
The grass-6.2.2-alt1 package has been rejected from incoming for x86_64
architecture.

Possible reason follows:
checking for pwd... /bin/pwd
checking for source directory... /usr/src/RPM/BUILD/grass-6.2.2
checking for build directory... /usr/src/RPM/BUILD/grass-6.2.2
checking how to build libraries... shared
yes
checking for ranlib... ranlib
checking how to run the C preprocessor... gcc -E
checking if 64bit support is requested... no
checking if 64bit Sparc VIS support is requested... no
checking system version (for dynamic loading)... Linux-2.6.18-std-smp-alt7
checking for dlopen in -ldl... yes
checking for ar... ar
checking for SysV... no
checking for XDriver... socket
checking for additional include dirs... 
checking for additional library dirs... 
checking for a BSD compatible install... /bin/install -c
checking for flex... lex
checking for yywrap in -ll... no
checking for lex... no
configure: error: *** Unable to locate lex.
error: Bad exit status from /usr/src/tmp/rpm-tmp.53999 (%build)


RPM build errors:
    Bad exit status from /usr/src/tmp/rpm-tmp.53999 (%build)
Command exited with non-zero status 1
0.74user 0.50system 0:01.37elapsed 90%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+88567minor)pagefaults 0swaps
hsh-rebuild: rebuild of `grass-6.2.2-alt1.src.rpm' failed.


-- 
Rgrds, your upravdom