merge multi threading to master branch

- updated zstd to latest devel release
- lz4, lz5 and zstd is included now
- all three support threading

CPP/build-x64x.cmd

@@ -0,0 +1,65 @@
+@echo on
+
+set ROOT=%cd%\7zip
+set OUTDIR=%ROOT%\bin64
+mkdir %OUTDIR%
+
+set OPTS=CPU=AMD64 MY_STATIC_LINK=1
+set LFLAGS=/SUBSYSTEM:WINDOWS,"5.02"
+
+cd %ROOT%\Bundles\Format7z
+nmake %OPTS%
+copy AMD64\7za.dll %OUTDIR%\7za.dll
+
+cd %ROOT%\Bundles\Format7zF
+nmake %OPTS%
+copy AMD64\7z.dll %OUTDIR%\7z.dll
+goto ende
+
+cd %ROOT%\UI\FileManager
+nmake %OPTS%
+copy AMD64\7zFM.exe %OUTDIR%\7zFM.exe
+
+cd %ROOT%\UI\GUI
+nmake %OPTS%
+copy AMD64\7zG.exe %OUTDIR%\7zG.exe
+
+cd %ROOT%\UI\Explorer
+nmake %OPTS%
+copy AMD64\7-zip.dll %OUTDIR%\7-zip.dll
+
+cd %ROOT%\Bundles\SFXWin
+nmake %OPTS%
+copy AMD64\7z.sfx %OUTDIR%\7z.sfx
+
+cd %ROOT%\Bundles\Codec_lz4
+nmake %OPTS%
+copy AMD64\lz4.dll %OUTDIR%\lz4-x64.dll
+
+cd %ROOT%\Bundles\Codec_lz5
+nmake %OPTS%
+copy AMD64\lz5.dll %OUTDIR%\lz5-x64.dll
+
+cd %ROOT%\Bundles\Codec_zstdf
+nmake %OPTS%
+copy AMD64\zstd.dll %OUTDIR%\zstd-x64.dll
+
+cd %ROOT%\..\..\C\Util\7zipInstall
+nmake %OPTS%
+copy AMD64\7zipInstall.exe %OUTDIR%\Install-x64.exe
+
+cd %ROOT%\..\..\C\Util\7zipUninstall
+nmake %OPTS%
+copy AMD64\7zipUninstall.exe %OUTDIR%\Uninstall.exe
+
+set LFLAGS=/SUBSYSTEM:CONSOLE,"5.02"
+cd %ROOT%\UI\Console
+nmake %OPTS%
+copy AMD64\7z.exe %OUTDIR%\7z.exe
+
+cd %ROOT%\Bundles\SFXCon
+nmake %OPTS%
+copy AMD64\7zCon.sfx %OUTDIR%\7zCon.sfx
+
+:ende
+cd %ROOT%\..