Created attachment 15374 [details]
Build Log Cygwin x64

Release 3.13 fails to build on Cygwin. Log attached

gcc -I. -I. -I./zlib -I./popt -static -Wall -Wno-format -Wstrict-prototypes -Wmissing-prototypes -DGETTEXT_STATIC -DHAV\
E_CONFIG_H -Wall -W  -c acls.c -o acls.o
In file included from acls.c:23:0:
lib/sysacls.h:118:13: error: array type has incomplete element type 'struct acl'
  struct acl acl[1];
             ^~~
acls.c: In function 'unpack_smb_acl':
lib/sysacls.h:108:26: error: 'USER_OBJ' undeclared (first use in this function); did you mean 'ACL_USER_OBJ'?
 #define SMB_ACL_USER_OBJ USER_OBJ
                          ^
acls.c:286:8: note: in expansion of macro 'SMB_ACL_USER_OBJ'
   case SMB_ACL_USER_OBJ:
        ^~~~~~~~~~~~~~~~
lib/sysacls.h:108:26: note: each undeclared identifier is reported only once for each function it appears in
 #define SMB_ACL_USER_OBJ USER_OBJ
                          ^
acls.c:286:8: note: in expansion of macro 'SMB_ACL_USER_OBJ'
   case SMB_ACL_USER_OBJ:
        ^~~~~~~~~~~~~~~~
lib/sysacls.h:110:27: error: 'GROUP_OBJ' undeclared (first use in this function); did you mean 'ACL_GROUP_OBJ'?
 #define SMB_ACL_GROUP_OBJ GROUP_OBJ
                           ^
acls.c:292:8: note: in expansion of macro 'SMB_ACL_GROUP_OBJ'
   case SMB_ACL_GROUP_OBJ:
        ^~~~~~~~~~~~~~~~~
lib/sysacls.h:112:23: error: 'CLASS_OBJ' undeclared (first use in this function)
 #define SMB_ACL_MASK  CLASS_OBJ
(...)