compile error on kolab-server-2.3.4 / Ubuntu 11.10

[Stephen More]

I am trying to compile kolab-server-2.3.4 on Ubuntu 11.10 and I am
getting the following error:


pp.o: In function `Perl_pp_pow':
pp.c:(.text+0x3f8a): undefined reference to `pow'
pp.o: In function `Perl_pp_modulo':
pp.c:(.text+0x524e): undefined reference to `floor'
pp.c:(.text+0x5273): undefined reference to `floor'
pp.c:(.text+0x5325): undefined reference to `fmod'
pp.o: In function `Perl_pp_atan2':
pp.c:(.text+0xcebd): undefined reference to `atan2'
pp.o: In function `Perl_pp_sin':
pp.c:(.text+0xcf51): undefined reference to `sin'
pp.c:(.text+0xcf95): undefined reference to `cos'
pp.c:(.text+0xcfa6): undefined reference to `exp'
pp.c:(.text+0xcfb7): undefined reference to `log'
pp.c:(.text+0xcfd0): undefined reference to `sqrt'
pp.o: In function `Perl_pp_int':
pp.c:(.text+0xd7a6): undefined reference to `floor'
pp.c:(.text+0xd841): undefined reference to `ceil'
pp_pack.o: In function `S_pack_rec':
pp_pack.c:(.text+0xa689): undefined reference to `floor'
pp_pack.c:(.text+0xa6aa): undefined reference to `floor'
collect2: ld returned 1 exit status
make: *** [miniperl] Error 1
+ exit 2
+ exit 2
./openpkg.boot:ERROR: script returned non-null value


What do I need to do to get this to compile ?

-Thanks
Stephen More