[linux-port] Add missing header include or class declaration. (#1375)

lib/HLSL/DxilMetadataHelper.cpp

@@ -30,6 +30,7 @@
 #include <algorithm>
 
 #include "dxc/Support/WinIncludes.h"
+#include "dxc/Support/WinFunctions.h"
 
 using namespace llvm;
 using std::string;

lib/HLSL/DxilRootSignature.cpp

@@ -14,6 +14,7 @@
 #include "dxc/HLSL/DxilPipelineStateValidation.h"
 #include "dxc/Support/Global.h"
 #include "dxc/Support/WinIncludes.h"
+#include "dxc/Support/WinFunctions.h"
 #include "dxc/Support/FileIOHelper.h"
 #include "dxc/dxcapi.h"
 

tools/clang/include/clang/AST/HlslTypes.h

@@ -34,6 +34,7 @@ namespace clang {
   class FunctionTemplateDecl;
   class InheritableAttr;
   class NamedDecl;
+  class Sema;
   class TypeSourceInfo;
   class TypedefDecl;
 }

tools/clang/lib/Parse/HLSLRootSignature.cpp

@@ -17,7 +17,11 @@
 #include "clang/Parse/ParseDiagnostic.h"
 #include "dxc/Support/Global.h"
 #include "dxc/Support/WinIncludes.h"
+#include "dxc/Support/WinFunctions.h"
 #include "HLSLRootSignature.h"
+
+#include <float.h>
+
 using namespace llvm;
 using namespace hlsl;
 

tools/clang/tools/dxcompiler/dxcdisassembler.cpp

@@ -10,6 +10,7 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 #include "dxc/Support/WinIncludes.h"
+#include "dxc/Support/WinFunctions.h"
 #include "dxc/dxcapi.h"
 #include "dxc/Support/Global.h"