diff --git a/_build.bat b/_build.bat
new file mode 100644
index 0000000..73bd9b0
--- /dev/null
+++ b/_build.bat
@@ -0,0 +1,73 @@
+REM :: Marius Negrutiu (marius.negrutiu@protonmail.com)
+
+@echo off
+setlocal enabledelayedexpansion
+echo.
+
+cd /d "%~dp0"
+set original_path=%PATH%
+
+REM | build.bat [mingw|msvc] [debug|release] [win32|amd64|x86|x64] [unicode|ansi]
+
+set compiler=mingw
+set configuration=Release
+set platform=x64
+set charset=unicode
+
+:arg
+    if "%~1" equ "" goto :arg_end
+    if /i "%~1" equ "mingw"     set compiler=mingw
+    if /i "%~1" equ "msvc"      set compiler=msvc
+    if /i "%~1" equ "debug"     set configuration=Debug
+    if /i "%~1" equ "release"   set configuration=Release
+    if /i "%~1" equ "win32"     set platform=x86
+    if /i "%~1" equ "x86"       set platform=x86
+    if /i "%~1" equ "amd64"     set platform=x64
+    if /i "%~1" equ "x64"       set platform=x64
+    if /i "%~1" equ "unicode"   set charset=unicode
+    if /i "%~1" equ "ansi"      set charset=ansi
+    shift /1
+    goto :arg
+:arg_end
+
+if "%platform%" neq "x86" set charset=unicode
+
+title %configuration%-%compiler%-%platform%-%charset%
+echo --- compiler = %compiler%
+echo --- configuration = %configuration%
+echo --- platform = %platform%
+echo --- charset = %charset%
+
+if "%compiler%" equ "mingw" goto :mingw
+if "%compiler%" equ "msvc" goto :msvc
+
+:: -------------------------------------------------------------------------------
+
+:mingw
+if "%platform%" equ "x86" if not exist "%mingw%\bin\gcc.exe" set MINGW=%SystemDrive%\msys2\mingw32
+if "%platform%" equ "x86" if not exist "%mingw%\bin\gcc.exe" set MINGW=%SystemDrive%\msys64\mingw32
+if "%platform%" equ "x64" if not exist "%mingw%\bin\gcc.exe" set MINGW=%SystemDrive%\msys2\mingw64
+if "%platform%" equ "x64" if not exist "%mingw%\bin\gcc.exe" set MINGW=%SystemDrive%\msys64\mingw64
+echo --- mingw = %mingw%
+if not exist "%mingw%\bin\gcc.exe" echo ERROR: Missing "%mingw%\bin\gcc.exe" && exit /b 2
+set PATH=%mingw%\bin;%PATH%
+
+echo.
+gcc --version
+
+set platform_nsis=%platform%
+if "%platform_nsis%" equ "x64" set platform_nsis=amd64
+
+echo ^> mingw32-make.exe ARCH=%platform% CHAR=%charset% OUTDIR="%~dp0%configuration%-%compiler%-%platform_nsis%-%charset%" CONFIG=%configuration% clean all
+mingw32-make.exe ARCH=%platform% CHAR=%charset% OUTDIR="%~dp0%configuration%-%compiler%-%platform_nsis%-%charset%" CONFIG=%configuration% clean all || exit /b !errorlevel!
+goto :end
+
+:: -------------------------------------------------------------------------------
+
+:msvc
+echo TODO
+goto :end
+
+:end
+echo all done. errorlevel %errorlevel%
+REM pause
\ No newline at end of file
diff --git a/_build_mingw_Release.bat b/_build_mingw_Release.bat
index 39dc3ff..6ee818d 100644
--- a/_build_mingw_Release.bat
+++ b/_build_mingw_Release.bat
@@ -2,61 +2,7 @@ REM :: Marius Negrutiu (marius.negrutiu@protonmail.com)
 
 @echo off
 setlocal enabledelayedexpansion
-echo.
 
-if not exist "%MINGW32%\bin\gcc.exe" set MINGW32=%MINGW32_INSTDIR%
-if not exist "%MINGW32%\bin\gcc.exe" set MINGW32=%SystemDrive%\msys2\mingw32
-if not exist "%MINGW32%\bin\gcc.exe" set MINGW32=%SystemDrive%\msys64\mingw32
-
-if not exist "%MINGW64%\bin\gcc.exe" set MINGW64=%MINGW64_INSTDIR%
-if not exist "%MINGW64%\bin\gcc.exe" set MINGW64=%SystemDrive%\msys2\mingw64
-if not exist "%MINGW64%\bin\gcc.exe" set MINGW64=%SystemDrive%\msys64\mingw64
-
-set ORIGINAL_PATH=%PATH%
-
-cd /d "%~dp0"
-
-:x86
-if not exist "%MINGW32%\bin\gcc.exe" echo ERROR: Missing "%MINGW32%" && pause && exit /B 2
-set PATH=%MINGW32%\bin;%ORIGINAL_PATH%
-
-echo.
-echo -------------------------------------------------------------------
-set OUTDIR=%~dp0Release-mingw-x86-ansi
-echo %OUTDIR%
-title %OUTDIR%
-echo -------------------------------------------------------------------
-pushd "%~dp0src\nscurl"
-mingw32-make.exe ARCH=x86 CHAR=ANSI OUTDIR=%OUTDIR% clean all
-popd
-if %errorlevel% neq 0 pause && exit /B %errorlevel%
-
-echo.
-echo -------------------------------------------------------------------
-set OUTDIR=%~dp0Release-mingw-x86-unicode
-echo %OUTDIR%
-title %OUTDIR%
-echo -------------------------------------------------------------------
-pushd "%~dp0src\nscurl"
-mingw32-make.exe ARCH=x86 CHAR=Unicode OUTDIR=%OUTDIR% clean all
-popd
-if %errorlevel% neq 0 pause && exit /B %errorlevel%
-
-
-:amd64
-if not exist "%MINGW64%\bin\gcc.exe" echo ERROR: Missing "%MINGW64%" && pause && exit /B 2
-set PATH=%MINGW64%\bin;%ORIGINAL_PATH%
-
-echo.
-echo -------------------------------------------------------------------
-set OUTDIR=%~dp0Release-mingw-amd64-unicode
-echo %OUTDIR%
-title %OUTDIR%
-echo -------------------------------------------------------------------
-pushd "%~dp0src\nscurl"
-mingw32-make.exe ARCH=x64 CHAR=Unicode OUTDIR=%OUTDIR% clean all
-popd
-if %errorlevel% neq 0 pause && exit /B %errorlevel%
-
-echo.
-REM pause
+call "%~dp0_build.bat" mingw release x86 unicode || exit /b !errorlevel!
+call "%~dp0_build.bat" mingw release x86 ansi    || exit /b !errorlevel!
+call "%~dp0_build.bat" mingw release x64 unicode || exit /b !errorlevel!