diff --git a/LLVM.Imports.AggressiveInstCombine.pas b/LLVM.Imports.AggressiveInstCombine.pas
index 7a7bf06..64082b6 100644
--- a/LLVM.Imports.AggressiveInstCombine.pas
+++ b/LLVM.Imports.AggressiveInstCombine.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.AggressiveInstCombine;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 //based on AggressiveInstCombine.h
 
diff --git a/LLVM.Imports.Analysis.pas b/LLVM.Imports.Analysis.pas
index 4f2a7c4..94f5d72 100644
--- a/LLVM.Imports.Analysis.pas
+++ b/LLVM.Imports.Analysis.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Analysis;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on Analysis.h
diff --git a/LLVM.Imports.BitReader.pas b/LLVM.Imports.BitReader.pas
index 47bcb73..aa54340 100644
--- a/LLVM.Imports.BitReader.pas
+++ b/LLVM.Imports.BitReader.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.BitReader;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on BitReader.h
diff --git a/LLVM.Imports.BitWriter.pas b/LLVM.Imports.BitWriter.pas
index a45be21..27aef50 100644
--- a/LLVM.Imports.BitWriter.pas
+++ b/LLVM.Imports.BitWriter.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.BitWriter;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on BitWriter.h
diff --git a/LLVM.Imports.Comdat.pas b/LLVM.Imports.Comdat.pas
index 21a5c31..d9d590e 100644
--- a/LLVM.Imports.Comdat.pas
+++ b/LLVM.Imports.Comdat.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Comdat;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 //based on Comdat.h
 
 {$MINENUMSIZE 4}
diff --git a/LLVM.Imports.Core.pas b/LLVM.Imports.Core.pas
index 12c6e4c..c087ce2 100644
--- a/LLVM.Imports.Core.pas
+++ b/LLVM.Imports.Core.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Core;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on Core.h
diff --git a/LLVM.Imports.Coroutines.pas b/LLVM.Imports.Coroutines.pas
index 08aefa4..eeb301b 100644
--- a/LLVM.Imports.Coroutines.pas
+++ b/LLVM.Imports.Coroutines.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Coroutines;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 //based on Coroutines.h
 
 interface
diff --git a/LLVM.Imports.Disassembler.pas b/LLVM.Imports.Disassembler.pas
index fe7b455..36ff1b2 100644
--- a/LLVM.Imports.Disassembler.pas
+++ b/LLVM.Imports.Disassembler.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Disassembler;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on Disassembler.h
diff --git a/LLVM.Imports.DisassemblerTypes.pas b/LLVM.Imports.DisassemblerTypes.pas
index 5ee6f1f..00a9985 100644
--- a/LLVM.Imports.DisassemblerTypes.pas
+++ b/LLVM.Imports.DisassemblerTypes.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.DisassemblerTypes;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on DisassemblerTypes.h
diff --git a/LLVM.Imports.Error.pas b/LLVM.Imports.Error.pas
index 5093a8b..51b51c4 100644
--- a/LLVM.Imports.Error.pas
+++ b/LLVM.Imports.Error.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Error;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 //based on Error.h
 
 interface
diff --git a/LLVM.Imports.ErrorHandling.pas b/LLVM.Imports.ErrorHandling.pas
index d1b20a5..05d7aee 100644
--- a/LLVM.Imports.ErrorHandling.pas
+++ b/LLVM.Imports.ErrorHandling.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.ErrorHandling;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on ErrorHandling.h
diff --git a/LLVM.Imports.ExecutionEngine.pas b/LLVM.Imports.ExecutionEngine.pas
index 178a1a4..b1e6c70 100644
--- a/LLVM.Imports.ExecutionEngine.pas
+++ b/LLVM.Imports.ExecutionEngine.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.ExecutionEngine;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on ExecutionEngine.h
diff --git a/LLVM.Imports.IPO.pas b/LLVM.Imports.IPO.pas
index a2f081e..6b23fb1 100644
--- a/LLVM.Imports.IPO.pas
+++ b/LLVM.Imports.IPO.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.IPO;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on IPO.h
diff --git a/LLVM.Imports.IRReader.pas b/LLVM.Imports.IRReader.pas
index 12c00de..7e8cd55 100644
--- a/LLVM.Imports.IRReader.pas
+++ b/LLVM.Imports.IRReader.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.IRReader;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on IRReader.h
diff --git a/LLVM.Imports.InitFunctions.pas b/LLVM.Imports.InitFunctions.pas
index afe9a5f..739f2ee 100644
--- a/LLVM.Imports.InitFunctions.pas
+++ b/LLVM.Imports.InitFunctions.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.InitFunctions;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on Initialization.h
diff --git a/LLVM.Imports.InstCombine.pas b/LLVM.Imports.InstCombine.pas
index 451b290..4eafb86 100644
--- a/LLVM.Imports.InstCombine.pas
+++ b/LLVM.Imports.InstCombine.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.InstCombine;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 //based on InstCombine.h
 
diff --git a/LLVM.Imports.Linker.pas b/LLVM.Imports.Linker.pas
index 6581bf4..2e068b5 100644
--- a/LLVM.Imports.Linker.pas
+++ b/LLVM.Imports.Linker.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Linker;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on Linker.h
diff --git a/LLVM.Imports.ObjectFile.pas b/LLVM.Imports.ObjectFile.pas
index 635ba5f..0a2cd47 100644
--- a/LLVM.Imports.ObjectFile.pas
+++ b/LLVM.Imports.ObjectFile.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.ObjectFile;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on Object.h
diff --git a/LLVM.Imports.OrcBindings.pas b/LLVM.Imports.OrcBindings.pas
index fec7138..f9679d8 100644
--- a/LLVM.Imports.OrcBindings.pas
+++ b/LLVM.Imports.OrcBindings.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.OrcBindings;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on OrcBindings.h
diff --git a/LLVM.Imports.PassManagerBuilder.pas b/LLVM.Imports.PassManagerBuilder.pas
index c341ba7..bf405ef 100644
--- a/LLVM.Imports.PassManagerBuilder.pas
+++ b/LLVM.Imports.PassManagerBuilder.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.PassManagerBuilder;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on PassManagerBuilder.h
diff --git a/LLVM.Imports.Scalar.pas b/LLVM.Imports.Scalar.pas
index d7f0c40..b225970 100644
--- a/LLVM.Imports.Scalar.pas
+++ b/LLVM.Imports.Scalar.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Scalar;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on Scalar.h
diff --git a/LLVM.Imports.Support.pas b/LLVM.Imports.Support.pas
index bf6a379..31920e7 100644
--- a/LLVM.Imports.Support.pas
+++ b/LLVM.Imports.Support.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Support;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on Support.h
diff --git a/LLVM.Imports.Target.pas b/LLVM.Imports.Target.pas
index d40a810..123de13 100644
--- a/LLVM.Imports.Target.pas
+++ b/LLVM.Imports.Target.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Target;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on Target.h
@@ -138,8 +142,13 @@ function LLVMOffsetOfElement(TD: TLLVMTargetDataRef; StructTy: TLLVMTypeRef; Ele
 implementation
 
 uses
+{$IFDEF FPC}
+  Interfaces, LCLIntf, LCLType, LCLProc,
+  DynLibs, SysUtils;
+{$ELSE}
   Windows,
   SysUtils;
+{$ENDIF}
 
 const
   CTargetInfoProc = 'LLVMInitialize%sTargetInfo';
@@ -154,15 +163,27 @@ implementation
 
 function TryDynCallProc(const AName: string): Boolean;
 var
+{$IFDEF FPC}
+  LLib: TLibHandle;
+{$ELSE}
   LLib: THandle;
+{$ENDIF} 
   LDynProc: TInitProc;
 begin
   if AName = '' then
     Exit(False);
+{$IFDEF FPC}
+  LLib := LoadLibrary(CLLVMLibrary);
+{$ELSE}
   LLib := GetModuleHandle(CLLVMLibrary);
+{$ENDIF} 
   if LLib <> 0 then
   begin
+{$IFDEF FPC}
+    LDynProc := TInitProc(GetProcedureAddress(LLib, PWideChar(AName)));
+{$ELSE}
     @LDynProc := GetProcAddress(LLib, PWideChar(AName));
+{$ENDIF} 
     if Assigned(LDynProc) then
     begin
       LDynProc();
diff --git a/LLVM.Imports.TargetMachine.pas b/LLVM.Imports.TargetMachine.pas
index 9c00e3a..d7f66c1 100644
--- a/LLVM.Imports.TargetMachine.pas
+++ b/LLVM.Imports.TargetMachine.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.TargetMachine;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on TargetMachine.h
diff --git a/LLVM.Imports.Types.pas b/LLVM.Imports.Types.pas
index 0503cdd..ceadc8d 100644
--- a/LLVM.Imports.Types.pas
+++ b/LLVM.Imports.Types.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Types;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 //based on Types.h
diff --git a/LLVM.Imports.Utils.pas b/LLVM.Imports.Utils.pas
index 0e9ad1d..d91c357 100644
--- a/LLVM.Imports.Utils.pas
+++ b/LLVM.Imports.Utils.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Utils;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 Interface
  //based on Utils.h
 
diff --git a/LLVM.Imports.Vectorize.pas b/LLVM.Imports.Vectorize.pas
index fa5a3c2..711f892 100644
--- a/LLVM.Imports.Vectorize.pas
+++ b/LLVM.Imports.Vectorize.pas
@@ -1,5 +1,9 @@
 unit LLVM.Imports.Vectorize;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
 
 uses
diff --git a/LLVM.Imports.pas b/LLVM.Imports.pas
index 6f08dcd..6dc3ac2 100644
--- a/LLVM.Imports.pas
+++ b/LLVM.Imports.pas
@@ -1,10 +1,22 @@
 unit LLVM.Imports;
 
+{$IFDEF FPC}
+  {$MODE Delphi}
+{$ENDIF} 
+
 interface
+{$IFDEF FPC}
+   uses SysUtils;
+{$ELSE}
    uses System.SysUtils;
+{$ENDIF}
 
 const
+{$IFDEF FPC}
+  CLLVMLibrary = 'LLVM-10.so';
+{$ELSE}  
   CLLVMLibrary = 'LLVM-C-10-0-0.dll';
+{$ENDIF}
 
 type
   TLLVMChar = AnsiChar;