Problems installing dvdrtools

[gsiciliano@…]

Installing dvdrtools in the momento of the building I received this error

Gsi-nb:~ gsiciliano$ sudo port install dvdrtools
--->  Building dvdrtools
Error: Target org.macports.build returned: shell command " cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_sysutils_dvdrtools/work/dvdrtools-0.2.1" && make all " returned error 2
Command output: ../include/utypes.h:50: error: previous declaration of 'Uchar' was here
/opt/local/include/schily/utypes.h:148: error: redefinition of typedef 'Llong'
../include/utypes.h:65: error: previous declaration of 'Llong' was here
/opt/local/include/schily/utypes.h:149: error: redefinition of typedef 'Ullong'
../include/utypes.h:66: error: previous declaration of 'Ullong' was here
/opt/local/include/schily/utypes.h:189: error: redefinition of typedef 'Ucbit'
../include/utypes.h:87: error: previous declaration of 'Ucbit' was here
In file included from /opt/local/include/scg/scgcmd.h:56,
                 from cdrecord.c:50:
/opt/local/include/schily/intcvt.h:40:1: warning: "a_to_byte" redefined
In file included from cdrecord.c:44:
../include/intcvt.h:44:1: warning: this is the location of the previous definition
In file included from /opt/local/include/scg/scgcmd.h:56,
                 from cdrecord.c:50:
/opt/local/include/schily/intcvt.h:42:1: warning: "a_to_u_byte" redefined
In file included from cdrecord.c:44:
../include/intcvt.h:46:1: warning: this is the location of the previous definition
In file included from /opt/local/include/scg/scgcmd.h:56,
                 from cdrecord.c:50:
/opt/local/include/schily/intcvt.h:45:1: warning: "a_to_u_2_byte" redefined
In file included from cdrecord.c:44:
../include/intcvt.h:49:1: warning: this is the location of the previous definition
In file included from /opt/local/include/scg/scgcmd.h:56,
                 from cdrecord.c:50:
/opt/local/include/schily/intcvt.h:51:1: warning: "a_to_u_3_byte" redefined
In file included from cdrecord.c:44:
../include/intcvt.h:55:1: warning: this is the location of the previous definition
make[2]: *** [cdrecord.o] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2

Error: Status 1 encountered during processing.