Add script for building MSVS 2015 binaries

Closes #17408.

build/tools/msvs/build2015.bat

@@ -0,0 +1,64 @@
+if "%1" == "" goto ERR_NOPARM
+if "%2" == "" goto ERR_NOPARM
+if "%3" == "" goto ERR_NOPARM
+
+cd c:\wxWidgets-%1.%2.%3\build\msw
+
+rem ================ VS 2015 Official Build ===============
+rem
+rem Copy this file to the \wxwidgets-x.y.z\build\msw folder
+rem
+rem Open a Visual Studio 2015 Developer command prompt.
+rem
+rem cd \wxwidgets-x.y.z\build\msw
+rem build2015
+rem
+rem ========================================================
+
+rem Remove the existing destination folders if the exist so that a complete rebuild occurs.
+
+rmdir vc140_mswuddll /s /q
+rmdir vc140_mswuddll_x64 /s /q
+rmdir vc140_mswudll /s /q
+rmdir vc140_mswudll_x64 /s /q
+
+rmdir ..\..\lib\vc140_dll /s /q
+rmdir ..\..\lib\vc140_x64_dll /s /q
+
+rem Delete the build output files from the last run, if any.
+
+del 2015x86_Debug.txt
+del 2015x86_Release.txt
+del 2015x64_Debug.txt
+del 2015x64_Release.txt
+
+call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x64
+
+rem 64 bit release build
+rem ------------------
+nmake -f makefile.vc BUILD=release SHARED=1 COMPILER_VERSION=140 OFFICIAL_BUILD=1 TARGET_CPU=AMD64 >> 2015x64_Release.txt
+
+rem 64 bit debug build
+rem ------------------
+nmake -f makefile.vc BUILD=debug SHARED=1 COMPILER_VERSION=140 OFFICIAL_BUILD=1 TARGET_CPU=AMD64 >> 2015x64_Debug.txt
+
+call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86
+
+rem 32 bit release build
+rem ------------------
+nmake -f makefile.vc BUILD=release SHARED=1 COMPILER_VERSION=140 OFFICIAL_BUILD=1 CPPFLAGS=/arch:SSE CFLAGS=/arch:SSE >> 2015x86_Release.txt
+
+rem 32 bit debug build
+rem ------------------
+nmake -f makefile.vc BUILD=debug SHARED=1 COMPILER_VERSION=140 OFFICIAL_BUILD=1 CPPFLAGS=/arch:SSE CFLAGS=/arch:SSE >> 2015x86_Debug.txt
+
+goto End
+
+:ERR_NOPARM
+   @echo.
+   @echo ERROR: NO PARAMETER SUPPLIED
+   @echo MajorVers MinorVers BuildVers
+
+:End
+
+cd c:\wxWidgets