diff --git a/.github/workflows/make.pas b/.github/workflows/make.pas
index d949007..2ddd588 100644
--- a/.github/workflows/make.pas
+++ b/.github/workflows/make.pas
@@ -5,7 +5,6 @@
   Classes,
   SysUtils,
   StrUtils,
-  FileUtil,
   Zipper,
   fphttpclient,
   RegExpr,
@@ -26,18 +25,90 @@
 
   // Package path filter — skip platform-incompatible and template packages
   PackageExcludePattern =
-    {$IFDEF MSWINDOWS}
+  {$IF DEFINED(MSWINDOWS)}
     '(cocoa|x11|_template)'
-    {$ELSE}
+  {$ELSEIF DEFINED(DARWIN)}
+    '(gdi|x11|_template)'
+  {$ELSE}
     '(cocoa|gdi|_template)'
-    {$ENDIF}
-    ;
+  {$IFEND}
+  ;
 
   OPMBaseUrl = 'https://packages.lazarus-ide.org/';
 
 var
   ErrorCount: Integer = 0;
 
+// ---------------------------------------------------------------------------
+// FCL/RTL-only helpers (replace FileUtil usage)
+// ---------------------------------------------------------------------------
+
+function ReadFileToString(const AFileName: string): string;
+var
+  Stream: TFileStream;
+  Size: Int64;
+begin
+  Result := '';
+  Stream := TFileStream.Create(AFileName, fmOpenRead or fmShareDenyNone);
+  try
+    Size := Stream.Size;
+    if Size <= 0 then
+      Exit;
+    SetLength(Result, Size);
+    Stream.Position := 0;
+    Stream.ReadBuffer(Pointer(Result)^, Size);
+  finally
+    Stream.Free;
+  end;
+end;
+
+function MatchesMaskSimple(const AFileName, AMask: string): Boolean;
+var
+  LExt: string;
+begin
+  LExt := LowerCase(ExtractFileExt(AFileName));
+
+  if AMask = '*.lpk' then
+    Exit(LExt = '.lpk');
+
+  if AMask = '*.lpi' then
+    Exit(LExt = '.lpi');
+
+  Result := False;
+end;
+
+procedure FindAllFilesRecursive(const ADir, AMask: string; AList: TStrings);
+var
+  Search: TSearchRec;
+  DirPath: string;
+  EntryPath: string;
+begin
+  DirPath := IncludeTrailingPathDelimiter(ExpandFileName(ADir));
+
+  if FindFirst(DirPath + '*', faAnyFile, Search) = 0 then
+  try
+    repeat
+      if (Search.Name = '.') or (Search.Name = '..') then
+        Continue;
+
+      EntryPath := DirPath + Search.Name;
+
+      if (Search.Attr and faDirectory) <> 0 then
+        FindAllFilesRecursive(EntryPath, AMask, AList)
+      else if MatchesMaskSimple(Search.Name, AMask) then
+        AList.Add(EntryPath);
+    until FindNext(Search) <> 0;
+  finally
+    FindClose(Search);
+  end;
+end;
+
+function FindAllFilesList(const ASearchDir, AMask: string): TStringList;
+begin
+  Result := TStringList.Create;
+  FindAllFilesRecursive(ASearchDir, AMask, Result);
+end;
+
 // ---------------------------------------------------------------------------
 // Logging helpers
 // ---------------------------------------------------------------------------
@@ -279,7 +350,7 @@ procedure RegisterAllPackages(const ASearchDir: string);
   List: TStringList;
   Each: string;
 begin
-  List := FindAllFiles(ASearchDir, '*.lpk', True);
+  List := FindAllFilesList(ASearchDir, '*.lpk');
   try
     for Each in List do
       RegisterPackage(Each);
@@ -297,7 +368,7 @@ procedure BuildAllProjects;
   List: TStringList;
   Each: string;
 begin
-  List := FindAllFiles(Target, '*.lpi', True);
+  List := FindAllFilesList(Target, '*.lpi');
   try
     for Each in List do
       if IsTestProject(Each) then
diff --git a/.github/workflows/make.yml b/.github/workflows/make.yml
index caa6810..9a2d598 100644
--- a/.github/workflows/make.yml
+++ b/.github/workflows/make.yml
@@ -25,10 +25,11 @@ jobs:
           - ubuntu-latest
           - ubuntu-24.04-arm
           - windows-latest
+          - macos-latest
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: true
 
@@ -38,7 +39,7 @@ jobs:
         run: |
           set -xeuo pipefail
           sudo bash -c 'apt-get update; apt-get install -y lazarus' >/dev/null
-          instantfpc -Fu/usr/lib/lazarus/*/components/lazutils .github/workflows/make.pas
+          instantfpc .github/workflows/make.pas
 
       - name: Build on Linux (AArch64)
         if: runner.os == 'Linux' && runner.arch == 'ARM64'
@@ -46,7 +47,21 @@ jobs:
         run: |
           set -xeuo pipefail
           sudo bash -c 'apt-get update; apt-get install -y lazarus' >/dev/null
-          instantfpc -Fu/usr/lib/lazarus/*/components/lazutils .github/workflows/make.pas
+          instantfpc .github/workflows/make.pas
+
+      - name: Install Lazarus on macOS
+        if: runner.os == 'macOS'
+        uses: gcarreno/setup-lazarus@v3
+        with:
+          lazarus-version: stable
+          with-cache: false
+
+      - name: Build on macOS
+        if: runner.os == 'macOS'
+        shell: bash
+        run: |
+          set -xeuo pipefail
+          instantfpc .github/workflows/make.pas
 
       - name: Build on Windows
         if: runner.os == 'Windows'
@@ -72,4 +87,4 @@ jobs:
           Get-Command instantfpc
 
           Write-Host "Building make.pas..."
-          instantfpc '-FuC:\Lazarus\components\lazutils' .github/workflows/make.pas
\ No newline at end of file
+          instantfpc .github/workflows/make.pas
\ No newline at end of file