PVM on snow leopard

Sitll got this error after trying serveral times to execute the command from anywhere in the terminal:

sudo port install pvm
Password:
---> Computing dependencies for pvm
---> Building pvm
Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_pvm/work/pvm3" && /usr/bin/make all " returned error 2
Command output: making in . for DARWIN
building in src
cd src; ../lib/aimk CC="/usr/bin/gcc-4.2" F77="f77" install
making in DARWIN/ for DARWIN
/usr/bin/gcc-4.2 -O -DCLUMP_ALLOC -DSTATISTICS -DTIMESTAMPLOG -DSANITY -I../../include -DARCHCLASS=\"DARWIN\" -DIMA_DARWIN -DSOCKADHASLEN -DNOREXEC -DRSHCOMMAND=\"/usr/bin/rsh\" -DHASSTDLIB -DNEEDMENDIAN -DHASERRORVARS -DFAKEXDRFLOAT -DSYSERRISCONST -I/usr/include/malloc -I/System/Library/Frameworks/System.framework/Headers/bsd/sys -c ../../src/pmsg.c
../../src/pmsg.c:785: error: static declaration of 'xdr_float' follows non-static declaration
/usr/include/rpc/xdr.h:376: error: previous declaration of 'xdr_float' was here
../../src/pmsg.c: In function 'xdr_float':
../../src/pmsg.c:788: warning: passing argument 2 of 'xdr_long' from incompatible pointer type
../../src/pmsg.c: At top level:
../../src/pmsg.c:794: error: static declaration of 'xdr_double' follows non-static declaration
/usr/include/rpc/xdr.h:377: error: previous declaration of 'xdr_double' was here
../../src/pmsg.c: In function 'xdr_double':
../../src/pmsg.c:797: warning: passing argument 2 of 'xdr_long' from incompatible pointer type
../../src/pmsg.c:797: warning: passing argument 2 of 'xdr_long' from incompatible pointer type
../../src/pmsg.c: In function 'enc_xdr_long':
../../src/pmsg.c:1395: warning: passing argument 2 of 'xdr_long' from incompatible pointer type
../../src/pmsg.c:1417: warning: passing argument 2 of 'xdr_long' from incompatible pointer type
../../src/pmsg.c: In function 'enc_xdr_ulong':
../../src/pmsg.c:1442: warning: passing argument 2 of 'xdr_u_long' from incompatible pointer type
../../src/pmsg.c:1461: warning: passing argument 2 of 'xdr_u_long' from incompatible pointer type
../../src/pmsg.c: In function 'dec_xdr_long':
../../src/pmsg.c:1763: warning: passing argument 2 of 'xdr_long' from incompatible pointer type
../../src/pmsg.c:1773: warning: passing argument 2 of 'xdr_long' from incompatible pointer type
../../src/pmsg.c: In function 'dec_xdr_ulong':
../../src/pmsg.c:1848: warning: passing argument 2 of 'xdr_u_long' from incompatible pointer type
../../src/pmsg.c:1858: warning: passing argument 2 of 'xdr_u_long' from incompatible pointer type
make[2]: *** [pmsg.o] Error 1
make[1]: *** [s] Error 2
make: *** [all] Error 2


--> solution:
sudo rm -rf /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_science_pvm

and then:
cd /opt/local/var/macports/sources/rsync.macports.org/release/ports
sudo port install pvm
--> worked perfectly.