"Make"-error i Cygwin

$ make
make  all-recursive
make[1]: Entering directory `/home/Administrator/Program/GHMM/trunk/ghmm'
Making all in ghmm
make[2]: Entering directory `/home/Administrator/Program/GHMM/trunk/ghmm/ghmm'
Making all in .
make[3]: Entering directory `/home/Administrator/Program/GHMM/trunk/ghmm/ghmm'
make[3]: Nothing to be done for `all-am'.
make[3]: Leaving directory `/home/Administrator/Program/GHMM/trunk/ghmm/ghmm'
make[2]: Leaving directory `/home/Administrator/Program/GHMM/trunk/ghmm/ghmm'
Making all in tools
make[2]: Entering directory `/home/Administrator/Program/GHMM/trunk/ghmm/tools'
make  all-recursive
make[3]: Entering directory `/home/Administrator/Program/GHMM/trunk/ghmm/tools'
Making all in .
make[4]: Entering directory `/home/Administrator/Program/GHMM/trunk/ghmm/tools'
gcc -O2 -I/usr/include/libxml2      smo2xml.c   -o smo2xml
/tmp/ccFxkPkT.o:smo2xml.c:(.text+0x32): undefined reference to `_ghmm_set_loglevel'
/tmp/ccFxkPkT.o:smo2xml.c:(.text+0x49): undefined reference to `_ghmm_cmodel_read'
/tmp/ccFxkPkT.o:smo2xml.c:(.text+0x78): undefined reference to `_ghmm_cmodel_xml_write'
collect2: ld returned 1 exit status
make[4]: *** [smo2xml] Error 1
make[4]: Leaving directory `/home/Administrator/Program/GHMM/trunk/ghmm/tools'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/home/Administrator/Program/GHMM/trunk/ghmm/tools'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/home/Administrator/Program/GHMM/trunk/ghmm/tools'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/Administrator/Program/GHMM/trunk/ghmm'
make: *** [all] Error 2

#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include "../ghmm/ghmm.h"
#include "../ghmm/xmlreader.h"
#include "../ghmm/smodel.h"
#include "../ghmm/obsolete.h"


/*===========================================================================*/
int main(int argc, char **argv) {

  char *docname, *writename;
  int mo_number = 0;
  ghmm_cmodel ** smo;
  ghmm_set_loglevel(5+1);

  if(argc <= 1) {
    printf("Usage: %s docname.smo docname.xml", argv[0]);
    return(0);
  }

  docname = argv[1];

  smo = ghmm_cmodel_read(docname, &mo_number);

  printf("Models %d", mo_number);

  /* simple test */
  if (smo) {
    writename = argv[2];
    ghmm_cmodel_xml_write(smo, writename, mo_number);
  }


  return(0);
}