[vchkpw] make error

[Jasmine]

I get this error when  i run 'make' What is it and how do i resolve it? /var/source/mysql/lib/libmysqlclient.a(password.o): In function `check_scramble': password.o(.text+0x3f6): undefined reference to `floor' password.o(.text+0x488): undefined reference to `floor' *** Error code 1 Stop in /var/source/vpopmail-5.4.0. *** Error code 1 Jas.