Simplify windows build

windows/openssl/build_openssl.bat

@@ -3,9 +3,25 @@ SET BUILDARCH=%1
 
 cd openssl-*
 
+SET PATH=%PATH%;C:\Program Files\NASM
+SET CL=/FS
 if "%BUILDARCH%" == "win32" (
-    CALL ..\windows\openssl\build_openssl_win32.bat
+    CALL "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\BuildTools\Common7\Tools\VsDevCmd.bat" -arch=x86
+    CALL "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x86
+
+    perl Configure %OPENSSL_BUILD_FLAGS_WINDOWS% VC-WIN32
 ) else (
-    CALL ..\windows\openssl\build_openssl_win64.bat
+    CALL "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\BuildTools\Common7\Tools\VsDevCmd.bat" -arch=x64
+    CALL "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x64
+
+    perl Configure %OPENSSL_BUILD_FLAGS_WINDOWS% VC-WIN64A
 )
+
+jom
 if %errorlevel% neq 0 exit /b %errorlevel%
+
+mkdir ..\build
+mkdir ..\build\lib
+move libcrypto.lib ..\build\lib\
+move libssl.lib ..\build\lib\
+move include ..\build\include