Thanks for your help. Now I have the next error:

Creating library file: .libs/libldif.dll.a .libs/fetch.o: In function `ldif_open_url': C:/msys/1.0/openldap-2.4.24/libraries/liblutil/fetch.c:67: undefined reference to `ldap_pvt_hex_unescape' collect2: ld returned 1 exit status make[2]: *** [libldif.la] Error 1 make[2]: Leaving directory `/openldap-2.4.24/libraries/liblutil' make[1]: *** [all-common] Error 1 make[1]: Leaving directory `/openldap-2.4.24/libraries' make: *** [all-common] Error 1

Best regards, Frank Offermanns