Release build and packaging

build.bat

@@ -1,4 +1,12 @@
 @echo off
+setlocal enabledelayedexpansion
+cd /D "%~dp0"
+
+for %%a in (%*) do set "%%~a=1"
+if not "%release%"=="1" set debug=1
+if "%debug%"=="1"   set release=0 && echo [debug mode]
+if "%release%"=="1" set debug=0 && echo [release mode]
+if "%package%"=="1" echo [package zip]
 
 if not exist "src\external\SDL" (
     pushd src\external
@@ -7,21 +15,30 @@ if not exist "src\external\SDL" (
     git checkout release-3.4.0
     cmake -S . -B build_win32_static -DCMAKE_BUILD_TYPE=Release -DSDL_STATIC=ON
     pushd build_win32_static
-    msbuild SDL3.sln
+    msbuild SDL3.sln -maxCpuCount:16 -p:Configuration=Release
     popd
     popd
     popd
 )
 set sdl=..\src\external\SDL
-set sdllib=%sdl%\build_win32_static\Debug
+set sdllib=%sdl%\build_win32_static\Release
 
 mkdir build
 pushd build
 
-set flags=/EHsc- /MD /Zi /FC /nologo /WX /W3 /wd4200 /wd4334 /diagnostics:column -DDEBUG_BUILD=1
+set flags=/EHsc- /MT /Zi /FC /nologo /WX /W3 /wd4200 /wd4334 /diagnostics:column
+if "%release%"=="1" set flags=%flags% -O2 -DDEBUG_BUILD=0
+
 set libs=%sdllib%/SDL3-static.lib %sdllib%/SDL_uclibc.lib kernel32.lib gdi32.lib user32.lib Imm32.lib ole32.lib Shell32.lib OleAut32.lib Cfgmgr32.lib Setupapi.lib Advapi32.lib version.lib winmm.lib
 cl %flags% ../src/text_editor/text_editor.cpp -Fe:te.exe -I%sdl%/include -I../src/external/glad -I../src/ %libs% -link /SUBSYSTEM:WINDOWS /NODEFAULTLIB:LIBCMT /NODEFAULTLIB:MSVCRTD
+
+:: small util when working on the editor using the editor
 copy te.exe te2.exe
 
 popd
-rem /fsanitize=address
+
+if "%package%"=="1" (
+    copy build\te.exe .
+    "C:\Program Files\7-Zip\7z.exe" a te.zip te.exe
+    del te.exe
+)