build: Win32 builds work now

build.bat

@@ -0,0 +1,32 @@
+@echo off
+setlocal
+
+REM Script assumes tools directory is in your path.
+REM For now, this is done by running shell.bat inside of tools directory
+
+set CommonCompilerFlags=-I../libcommon/src -I../tests/src -DBUILD_WIN32=1 -D_CRT_SECURE_NO_WARNINGS -fp:fast -fp:except- -nologo -Gm- -GR- -EHsc- -EHa- -Od -Oi -WX -W3 -FC -Zi -GS- -Gs9999999
+set CommonLinkerFlags= -nologo -STACK:0x100000,0x100000 -incremental:no -opt:ref -nodefaultlib libcmt.lib libvcruntime.lib libucrt.lib user32.lib gdi32.lib winmm.lib kernel32.lib shlwapi.lib
+
+set BuildDir=%~dp0build
+
+REM set CompileCommand=clang-cl
+set CompileCommand=cl
+
+IF NOT EXIST tools\btime.exe (
+    pushd tools\build-timer
+    call build.bat
+    popd
+)
+
+IF NOT EXIST %BuildDir% mkdir %BuildDir%
+pushd %BuildDir%
+del *.pdb > NUL 2> NUL
+del *.map > NUL 2> NUL
+
+..\tools\btime.exe --begin ePenguin-Software-Framework.aet
+
+%CompileCommand% %CommonCompilerFlags% -LD ../libcommon/src/libcommon.cpp -Folibcommon.obj -Fmlibcommon.map /link %CommonLinkerFlags% -noentry
+lib -nologo libcommon.obj
+
+..\tools\btime.exe --end ePenguin-Software-Framework.aet
+popd