If I build it locally with lua51-devel from standard repo, it’s OK:
$ rpm -q --requires tolua++
/sbin/ldconfig
/sbin/ldconfig
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libdl.so.2()(64bit)
**liblua.so.5.1**()(64bit)
libm.so.6()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsLzma) <= 4.4.6-1
I just need to get the same in my repo.