[Lazarus] unit system in

[William Oliveira Ferreira]

i was writing my first FastCGI application and on building, i've got this
error:
C:\lazarus\packager\registration\fcllaz.pas(1,1) Fatal: Can't find unit
system used by fcllaz

my source:

unit unt_principal;

{$mode objfpc}{$H+}

interface

uses
SysUtils, Classes, httpdefs, fpHTTP, fpWeb, mysql51conn, sqldb;

type

{ TgetDBUpdates }

TgetDBUpdates = class(TFPWebModule)
dbConnection: TMySQL51Connection;
Transaction: TSQLTransaction;
sql_Query: TSQLQuery;
procedure DataModuleRequest(Sender: TObject; ARequest: TRequest;
AResponse: TResponse; var Handled: Boolean);
private
{ private declarations }
function GetDBScripts(const UserVersion : String; const UserSystem :
String) : String;
function ValidarDados(const UserVersion : String; const UserSystem :
String) : Boolean;
public
{ public declarations }
end;

var
getDBUpdates: TgetDBUpdates;

implementation

{$R *.lfm}

{ TgetDBUpdates }

procedure TgetDBUpdates.DataModuleRequest(Sender: TObject; ARequest:
TRequest; AResponse: TResponse; var Handled: Boolean);
var
UserVersion : String;
UserSystem : String;
begin
AResponse.ContentType := 'text/sql;charset=latin1;';
UserVersion := ARequest.QueryFields.Values['userversion'];
UserSystem := ARequest.QueryFields.Values['usersystem'];
if ValidarDados(UserVersion, UserSystem) = True Then
AResponse.Contents.Text := GetDBScripts(UserVersion, UserSystem);
Handled := True;
end;

function TgetDBUpdates.GetDBScripts(const UserVersion: String; const
UserSystem : String): String;
begin
Result := EmptyStr;
try
sql_Query.SQL.Add('SELECT upd_script FROM dbu_scripts WHERE upd_sistema =
:UserSystem AND upd_versao > :UserVerion');
sql_Query.ParamByName('UserVersion').AsString := UserVersion;
sql_Query.ParamByName('UserSystem').AsString := UserSystem;
sql_Query.Open;
sql_Query.First;
while not sql_Query.EOF do
Result := Result + sql_Query.FieldByName('upd_script').AsString;
except
Result := '[ERROR]';
end;
end;

function TgetDBUpdates.ValidarDados(const UserVersion: String;
const UserSystem: String): Boolean;
begin
Result := True;
end;

initialization
RegisterHTTPModule('TFPWebModule1', TgetDBUpdates);
end.

but the point is: why fpc raised that error if the fcllaz.pas doesn't
directly import that unit?

{ This file was automatically created by Lazarus. Do not edit!
This source is only used to compile and install the package.
}

unit fcllaz;

interface

uses
RegisterFCL, db, process, simpleipc, eventlog, XMLConf, LazarusPackageIntf;

implementation

procedure Register;
begin
RegisterUnit('RegisterFCL', @RegisterFCL.Register);
end;

initialization
RegisterPackage('FCL', @Register);
end.
________________________________
William de Oliveira Ferreira
Bacharel em Sistemas de Informação
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