fix delphi posix compilation

Author: Xor-el

HashLib/src/Include/HashLib.inc

@@ -21,6 +21,13 @@
     {$MESSAGE ERROR 'This Library requires Delphi 2010 or higher.'}
   {$IFEND}
 
+  // Silence H2586 (legacy $IFEND) on XE4+ where $ENDIF can also close $IF.
+  // The $LEGACYIFEND directive itself was introduced in XE4 (25.0), so the
+  // guard is necessary to keep Delphi 2010 / XE / XE2 / XE3 compiling.
+  {$IF CompilerVersion >= 25.0}
+    {$LEGACYIFEND ON}
+  {$IFEND}
+
   {$DEFINE DELPHI}
 
   {$DEFINITIONINFO ON} // Enable code browsing (Ctrl+Click)

HashLib/src/Utils/HlpArmHwCapProvider.pas

@@ -139,12 +139,17 @@ implementation
 
 class procedure TArmHwCapProvider.ResolveDynamicImports();
 var
-  LHandle: Pointer;
+  LHandle: NativeUInt;
 begin
   FGetAuxVal := nil;
 
+{$IFDEF FPC}
+  LHandle := NativeUInt(dlopen(nil, RTLD_NOW));
+{$ELSE}
   LHandle := dlopen(nil, RTLD_NOW);
-  if LHandle = nil then
+{$ENDIF}
+
+  if LHandle = 0 then
     Exit;
 
   try
@@ -179,12 +184,17 @@ class function TArmHwCapProvider.GetHwCap2(): UInt64;
 
 class procedure TArmHwCapProvider.ResolveDynamicImports();
 var
-  LHandle: Pointer;
+  LHandle: NativeUInt;
 begin
   FElfAuxInfo := nil;
 
+{$IFDEF FPC}
+  LHandle := NativeUInt(dlopen(nil, RTLD_NOW));
+{$ELSE}
   LHandle := dlopen(nil, RTLD_NOW);
-  if LHandle = nil then
+{$ENDIF}
+
+  if LHandle = 0 then
     Exit;
 
   try