mail/thunderbirdのコンパイルが停止します
こんなエラーなのですが、どうすれば解決できるでしょうか？

cc -o decode.o -c -I/usr/local/include -I/usr/local/include/nss
-I/usr/local/include/nss/nss -O2 -fno-strict-aliasing -pipe -I/usr/local/include
-pipe -ansi -Wall -pthread -O -fPIC -UDEBUG -DMOZILLA_CLIENT=1 -DNDEBUG=1
-DXP_UNIX=1 -DFREEBSD=1 -DHAVE_BSD_FLOCK=1 -DHAVE_LCHOWN=1
-DHAVE_STRERROR=1 -D_THREAD_SAFE=1 -DFORCE_PR_LOG -D_PR_PTHREADS
-UHAVE_CVAR_BUILT_ON_SEM -DUSE_WAITPID -DNEEDPROTOS
-DNET_SSL -DNO_LIBLCACHE -DLDAP_REFERRALS
-DNS_DOMESTIC -I../../../ldap/include
-I/usr/ports/mail/thunderbird/work/mozilla/dist/./include decode.c
In file included from decode.c:37:
lber-int.h:106: error: syntax error before "LDAP_CALLBACK"
lber-int.h:115: error: redefinition of typedef 'Seqorset'
/usr/local/include/lber.h:164: error: previous declaration of 'Seqorset' was here
lber-int.h:134: error: syntax error before "ldap_x_iovec"
lber-int.h:150: error: syntax error before "BERTranslateProc"
lber-int.h:172: error: syntax error before "LDAP_IOF_READ_CALLBACK"
lber-int.h:183: error: syntax error before "LDAP_X_EXTIOF_READ_CALLBACK"
lber-int.h:192: error: syntax error before "LBER_SOCKET"
lber-int.h:201: error: syntax error before "LBER_SOCKET"
lber-int.h:208: error: field `sb_ext_io_fns' has incomplete type
decode.c:47: error: syntax error before "ber_get_tag"
decode.c:54: error: syntax error before "if"
gmake[5]: *** [decode.o] error 1