guile does not install on macports 1.5

[immanuel@…]

sudo port install guile gives the following error. I got guile to compile on my own machine, but that was a hack. The problem is that configure is selecting the 64bit file functions on macos.

fports.c: In function 'scm_open_file': fports.c:364: warning: implicit declaration of function 'open64' fports.c: At top level: fports.c:614: error: syntax error before 'fport_seek_or_seek64' fports.c:614: error: syntax error before 'off64_t' fports.c:615: warning: return type defaults to 'int' fports.c:615: warning: no previous prototype for 'fport_seek_or_seek64' fports.c: In function 'fport_seek_or_seek64': fports.c:616: error: 'port' undeclared (first use in this function) fports.c:616: error: (Each undeclared identifier is reported only once fports.c:616: error: for each function it appears in.) fports.c:618: error: 'off64_t' undeclared (first use in this function) fports.c:618: error: syntax error before 'rv' fports.c:623: error: 'offset' undeclared (first use in this function) fports.c:623: error: 'whence' undeclared (first use in this function) fports.c:626: error: 'result' undeclared (first use in this function) fports.c:626: error: 'rv' undeclared (first use in this function) fports.c:626: warning: implicit declaration of function 'lseek64' fports.c: In function 'fport_seek': fports.c:677: error: 'off64_t' undeclared (first use in this function) fports.c:677: error: syntax error before 'rv' fports.c:678: error: 'rv' undeclared (first use in this function) fports.c: In function 'scm_i_fport_truncate': fports.c:711: warning: implicit declaration of function 'ftruncate64' make[3]: * [libguile_la-fports.lo] Error 1 make[2]: * [all] Error 2 make[1]: * [all-recursive] Error 1 make: * [all] Error 2