diff --git a/CATSerial.pas b/CATSerial.pas
index c68549b..33f165b 100644
--- a/CATSerial.pas
+++ b/CATSerial.pas
@@ -116,8 +116,8 @@ begin
 end;
 
 function TCATSerialThread.TryOpenPort: Boolean;
-var
   {$IFNDEF CAT_SERIAL_STUB}
+var
   cfg: TCATSerialConfig;
   h:   TSerialHandle;
   par: TParityType;
diff --git a/ChannelStore.pas b/ChannelStore.pas
index e161573..55b87f2 100644
--- a/ChannelStore.pas
+++ b/ChannelStore.pas
@@ -8,7 +8,7 @@ unit ChannelStore;
 interface
 
 uses
-  SysUtils, Classes, Math, fpJSON, jsonparser, jsonscanner;
+  SysUtils, Classes, Math, fpJSON, jsonparser, jsonscanner, PlatformUtils;
 
 const
   CHANNELS_FILE = 'channels.json';
@@ -36,7 +36,7 @@ type
     function  JB(O: TJSONObject; const K: string; Def: Boolean): Boolean;
     function  JS(O: TJSONObject; const K: string; const Def: string): string;
   public
-    constructor Create(const AFilePath: string = CHANNELS_FILE);
+    constructor Create(const AFilePath: string = '');
     procedure Load;
     procedure Save;
     function  Count: Integer;
@@ -69,7 +69,10 @@ end;
 constructor TChannelStore.Create(const AFilePath: string);
 begin
   inherited Create;
-  FFilePath := AFilePath;
+  if AFilePath = '' then
+    FFilePath := GetAppCfgDir + CHANNELS_FILE
+  else
+    FFilePath := AFilePath;
   SetLength(FChannels, 0);
 end;
 
diff --git a/DeviceForm.pas b/DeviceForm.pas
index 96a03c8..d445273 100644
--- a/DeviceForm.pas
+++ b/DeviceForm.pas
@@ -7,10 +7,10 @@ interface
 uses
   Classes, SysUtils, FlatButton, FlatEdit, FlatListBox, AppTheme, Forms, Controls, Graphics, Dialogs,
   StdCtrls, ExtCtrls, ComCtrls, IniFiles,
-  BoardUtils;
+  BoardUtils, PlatformUtils;
 
 const
-  DEVICE_CFG_FILE = 'hpsdr_devices.ini';
+  DEVICE_CFG_NAME = 'hpsdr_devices.ini';
 
 type
   // Запись о сохранённом устройстве
@@ -355,9 +355,9 @@ var
   Section: string;
 begin
   FSavedCount := 0;
-  if not FileExists(DEVICE_CFG_FILE) then Exit;
+  if not FileExists(GetAppCfgDir + DEVICE_CFG_NAME) then Exit;
 
-  Ini := TIniFile.Create(DEVICE_CFG_FILE);
+  Ini := TIniFile.Create(GetAppCfgDir + DEVICE_CFG_NAME);
   try
     N := Ini.ReadInteger('Devices', 'Count', 0);
     SetLength(FSavedDevices, N);
@@ -381,7 +381,7 @@ var
   I:   Integer;
   Section: string;
 begin
-  Ini := TIniFile.Create(DEVICE_CFG_FILE);
+  Ini := TIniFile.Create(GetAppCfgDir + DEVICE_CFG_NAME);
   try
     Ini.WriteInteger('Devices', 'Count', FSavedCount);
     for I := 0 to FSavedCount - 1 do
diff --git a/PlatformUtils.pas b/PlatformUtils.pas
index 55d955d..70a326c 100644
--- a/PlatformUtils.pas
+++ b/PlatformUtils.pas
@@ -13,6 +13,11 @@ interface
 function QtPlatformAllowsOpenGLControls: Boolean;
 function HasOpenGLSpectrumSwitch: Boolean;
 function CurrentScreenDPI: Integer;
+// Возвращает каталог для хранения конфигурации (с завершающим разделителем).
+// macOS: ~/Library/Application Support/ewsdr/
+// Linux: ~/.config/ewsdr/
+// Windows: каталог исполняемого файла
+function GetAppCfgDir: string;
 
 implementation
 
@@ -61,4 +66,15 @@ begin
   if Result <= 0 then Result := 96;
 end;
 
+function GetAppCfgDir: string;
+begin
+{$IFDEF WINDOWS}
+  Result := IncludeTrailingPathDelimiter(ExtractFilePath(ParamStr(0)));
+{$ELSE}
+  Result := IncludeTrailingPathDelimiter(GetAppConfigDir(False));
+  if not DirectoryExists(Result) then
+    ForceDirectories(Result);
+{$ENDIF}
+end;
+
 end.
diff --git a/Settings.pas b/Settings.pas
index 33561ae..8437c07 100644
--- a/Settings.pas
+++ b/Settings.pas
@@ -6,7 +6,7 @@ unit Settings;
 }
 {$mode objfpc}{$H+}
 interface
-uses SysUtils, Classes, Math, fpJSON, jsonparser, jsonscanner;
+uses SysUtils, Classes, Math, fpJSON, jsonparser, jsonscanner, PlatformUtils;
 
 const
   SETTINGS_FILE  = 'hpsdr_settings.json';
@@ -268,7 +268,7 @@ type
     procedure JW(O: TJSONObject; const K: string; V: Boolean); overload;
     procedure JWS(O: TJSONObject; const K: string; const V: string);
   public
-    constructor Create(const FilePath: string = SETTINGS_FILE);
+    constructor Create(const FilePath: string = '');
     destructor  Destroy; override;
     procedure Load;
     procedure Save;
@@ -428,7 +428,10 @@ end;
 constructor TSettingsManager.Create(const FilePath: string);
 begin
   inherited Create;
-  FFilePath := FilePath;
+  if FilePath = '' then
+    FFilePath := GetAppCfgDir + SETTINGS_FILE
+  else
+    FFilePath := FilePath;
   FRoot     := TJSONObject.Create;
 end;
 
diff --git a/WDSP.pas b/WDSP.pas
index e39185c..bf355cd 100644
--- a/WDSP.pas
+++ b/WDSP.pas
@@ -16,8 +16,9 @@ unit WDSP;
 
 // Если wdsp.dll / libwdsp.so отсутствует — функции будут nil вместо краша.
 // WDSPEngine.Open вернёт False и программа продолжит работу в демо-режиме.
-{$IFDEF FPC}
-  {$WEAKEXTERNALSYMBOLS ON}
+
+{$IFDEF DARWIN}
+  {$linklib wdsp}
 {$ENDIF}
 
 interface
@@ -28,9 +29,13 @@ uses
 const
 {$IFDEF WINDOWS}
   WDSP_LIB = 'wdsp.dll';
-{$ELSE}
+{$ENDIF}
+{$IFDEF LINUX}
   WDSP_LIB = 'libwdsp.so';
 {$ENDIF}
+{$IFDEF DARWIN}
+  WDSP_LIB = 'libwdsp.dylib';
+{$ENDIF}
 
   // Analyzer detector modes
   DETECTOR_MODE_PEAK      = 0;
diff --git a/WDSPEngine.pas b/WDSPEngine.pas
index 546e45e..0fc15a9 100644
--- a/WDSPEngine.pas
+++ b/WDSPEngine.pas
@@ -990,12 +990,13 @@ begin
   FLastError := '';
   if FInitialized then Exit;
 
-  if not Assigned(@OpenChannel) then
+  if not Assigned(@OpenChannel) or not Assigned(@XCreateAnalyzer) or
+     not Assigned(@SetAnalyzer) then
   begin
     FInitialized := False;
     DllPath := IncludeTrailingPathDelimiter(ExtractFilePath(ParamStr(0))) + WDSP_LIB;
     if FileExists(DllPath) then
-      FLastError := Format('Symbols from %s are not resolved. Check architecture (x64/x86) and dependencies.', [DllPath])
+      FLastError := Format('Symbols from %s are not resolved. Check architecture and library version (need WDSP with analyzer API).', [DllPath])
     else
       FLastError := Format('WDSP library not found: %s', [DllPath]);
     Exit;
diff --git a/ewsdr.lpi b/ewsdr.lpi
index 1c19b71..7379264 100644
--- a/ewsdr.lpi
+++ b/ewsdr.lpi
@@ -44,6 +44,9 @@
             </Debugging>
             <LinkSmart Value="True"/>
           </Linking>
+          <Other>
+            <CustomOptions Value="-k-L/usr/local/lib"/>
+          </Other>
         </CompilerOptions>
       </Item>
     </BuildModes>
@@ -283,5 +286,8 @@
         <DebugInfoType Value="dsDwarf3"/>
       </Debugging>
     </Linking>
+    <Other>
+      <CustomOptions Value="-k-L/usr/local/lib"/>
+    </Other>
   </CompilerOptions>
 </CONFIG>