Can build for windows without precompiled headers...

... Requires some more wx header inclusions, a renaming of CopyFile (to avoid
colliding with a certain macro changing it to CopyFileW), and an explicit
deletion of a copy constructor and assignment (to avoid generation of
std::vector members for an incomplete type)

src/BatchCommands.cpp

@@ -1097,7 +1097,7 @@ void MacroCommands::MigrateLegacyChains()
          newDir.SetFullName(name);
          const auto newPath = newDir.GetFullPath();
          if (!wxFileExists(newPath))
-            FileNames::CopyFile(file, newPath);
+            FileNames::DoCopyFile(file, newPath);
       }
       done = true;
    }

src/CrashReport.cpp

@@ -12,6 +12,10 @@
 
 #if defined(EXPERIMENTAL_CRASH_REPORT)
 
+#if defined(__WXMSW__)
+#include <wx/evtloop.h>
+#endif
+
 #include "wxFileNameWrapper.h"
 #include "AudacityLogger.h"
 #include "AudioIOBase.h"

src/DirManager.cpp

@@ -1283,7 +1283,7 @@ BlockFilePtr DirManager::CopyBlockFile(const BlockFilePtr &b)
       //a summary file, so we should check before we copy.
       if(b->IsSummaryAvailable())
       {
-         if( !FileNames::CopyFile(fn.GetFullPath(),
+         if( !FileNames::DoCopyFile(fn.GetFullPath(),
                   newFile.GetFullPath()) )
             // Disk space exhaustion, maybe
             throw FileException{
@@ -1423,7 +1423,7 @@ std::pair<bool, FilePath> DirManager::LinkOrCopyToNewProjectDirectory(
             success = FileNames::HardLinkFile( oldPath, newPath );
          if (!success)
              link = false,
-             success = FileNames::CopyFile( oldPath, newPath );
+             success = FileNames::DoCopyFile( oldPath, newPath );
          if (!success)
             return { false, {} };
       }
@@ -1454,7 +1454,7 @@ std::pair<bool, FilePath> DirManager::LinkOrCopyToNewProjectDirectory(
          //if it doesn't, we can assume it was written to the NEW name, which is fine.
          if (oldFileName.FileExists())
          {
-            bool ok = FileNames::CopyFile(oldPath, newPath);
+            bool ok = FileNames::DoCopyFile(oldPath, newPath);
             if (!ok)
                return { false, {} };
          }

src/FileNames.cpp

@@ -145,7 +145,7 @@ wxString FileNames::FormatWildcard( const FileTypes &fileTypes )
    }
 }
 
-bool FileNames::CopyFile(
+bool FileNames::DoCopyFile(
    const FilePath& file1, const FilePath& file2, bool overwrite)
 {
 #ifdef __WXMSW__

src/FileNames.h

@@ -55,7 +55,7 @@ namespace FileNames
    wxString FormatWildcard( const FileTypes &fileTypes );
 
    // This exists to compensate for bugs in wxCopyFile:
-   bool CopyFile(
+   bool DoCopyFile(
       const FilePath& file1, const FilePath& file2, bool overwrite = true);
 
    // wxWidgets doesn't have a function to do this:  make a hard file-system

src/PluginManager.cpp

@@ -1859,7 +1859,7 @@ bool PluginManager::DropFile(const wxString &fileName)
             auto dstPath = dst.GetFullPath();
             if ( src.FileExists() )
                // A simple one-file plug-in
-               copied = FileNames::CopyFile(
+               copied = FileNames::DoCopyFile(
                   src.GetFullPath(), dstPath, true );
             else {
                // A sub-folder

src/Project.h

@@ -17,6 +17,7 @@
 
 #include <memory>
 #include <wx/weakref.h> // member variable
+#include <wx/window.h> // MSVC wants this
 
 class wxFrame;
 class wxWindow;

src/Theme.h

@@ -97,6 +97,8 @@ class AUDACITY_DLL_API ThemeBase /* not final */
 {
 public:
    ThemeBase(void);
+   ThemeBase ( const ThemeBase & ) = delete;
+   ThemeBase &operator =( const ThemeBase & ) = delete;
 public:
    virtual ~ThemeBase(void);
 

src/effects/EffectUI.h

@@ -16,6 +16,8 @@
 
 #include "../Experimental.h"
 
+#include <wx/bitmap.h> // member variables
+
 #if defined(EXPERIMENTAL_EFFECTS_RACK)
 
 #include <vector>

src/export/ExportMP2.cpp

@@ -44,6 +44,7 @@
 #include <wx/window.h>
 #include <wx/log.h>
 #include <wx/intl.h>
+#include <wx/stream.h>
 
 #include "Export.h"
 #include "../FileIO.h"

src/export/ExportOGG.cpp

@@ -23,6 +23,7 @@
 
 #include <wx/log.h>
 #include <wx/slider.h>
+#include <wx/stream.h>
  
 #include <vorbis/vorbisenc.h>
 

src/widgets/FileHistory.h

@@ -27,6 +27,8 @@ class AUDACITY_DLL_API FileHistory
  public:
    FileHistory(size_t maxfiles = 12, wxWindowID idbase = wxID_FILE);
    virtual ~FileHistory();
+   FileHistory( const FileHistory& ) = delete;
+   FileHistory &operator =( const FileHistory & ) = delete;
 
    // These constants define the range of IDs reserved by the global file history
    enum {