Hello,

UniDAC doesn't compile with Lazarus 1.6/FPC 3.0.
The case may be reproduced on following example.

program Project1;
{$MODE DELPHI}
uses
  SysUtils, Classes, DB;
var
  F: TField;
  FieldDef: TFieldDef;
begin
  with F do
    FieldDef := FieldDefs.AddFieldDef;
    //      ^^error here
end.

Free Pascal Compiler version 3.0.0 [2016/02/14] for i386 Copyright (c) 1993-2015 by Florian Klaempfl and others (1002) Target OS: Win32 for i386
(3104) Compiling C:\Users\serge\AppData\Local\Temp\project1.lpr project1.lpr(13,13) Error: (3059) No member is provided to access property project1.lpr(13,16) Error: (5000) Identifier not found "FieldDefs" project1.lpr(16) Fatal: (10026) There were 2 errors compiling module, stopping
Fatal: (1018) Compilation aborted
Error: C:\lazarus\fpc\3.0.0\bin\i386-win32\ppc386.exe returned an error exitcode

-----

Serguei TARASSOV wrote

Hello, UniDAC doesn't compile with Lazarus 1.6/FPC 3.0. The case may be reproduced on following example.

To my knowledge, this has never worked.

Michael.

Michael Van Canneyt wrote

History log is below :)

UniDAC 6.1 compiles OK with FPC 2.6.4
But the same sources of UniDAC 6.1 doesn't compile with FPC 3.0 Upgrading, but UniDAC 6.2 doesn't compile with FPC 3.0 too

So I will see tomorrow UniDAC 6.2 with FPC 2.6.4 to provide more info.

-----

Well, the compiler is on my side:

home: >ppcx64-2.6 td.pp
td.pp(13,34) Error: Identifier not found "FieldDefs"
td.pp(16,16) Fatal: There were 1 errors compiling module, stopping
Fatal: Compilation aborted
home: >ppcx64-2.6.4 td.pp
td.pp(13,34) Error: Identifier not found "FieldDefs"
td.pp(16,16) Fatal: There were 1 errors compiling module, stopping
Fatal: Compilation aborted

I suspect some refactoring in UniDAC is the cause of your problem. A "with" gone wrong ?

Michael.

Error: (3059) No member is provided to access property

is because TField.FieldDef is defined like: Property FieldDef : TFieldDef Read FFieldDef;
so there is no write method from begining (2 years ago rev. 26776).

Error: (5000) Identifier not found "FieldDefs"

FieldDefs is property of TDataSet, not TField so it can not work in your example
(also Delphi has FieldDefs as property of TDataSet)

-Laco.