update

misc/build.bat

@@ -1,9 +1,9 @@
 @echo off
 if NOT EXIST .\build mkdir .\build
-pushd .\build
-cl ^
+
+set commonLinkerFlags= -opt:ref user32.lib Gdi32.lib winmm.lib                         
+set commonCompilerFlags=^
     -MT                                                             %= Make sure the C runtime library is statically linked =%^
-    -Fmwin32_handmade.map                                           %= Create a map file =%^
     -Gm-                                                            %= Turns off incremently building =%^
     -nologo                                                         %= No one cares you made the compiler Microsoft =%^
     -Oi                                                             %= Always use intrinsics  =%^
@@ -12,10 +12,12 @@ cl ^
     -WX -W4 -wd4201 -wd4100 -wd4189                                 %= Compiler warnings, -WX warnings as errors, -W4 warning level 4, -wdXXXX disable warning XXXX =%^
     -DHANDMADE_INTERNAL=1 -DHANDMADE_SLOW=1 -DHANDMADE_WIN32=1      %= Custom #defines =%^
     -FC                                                             %= Full path of source code file in diagnostics =%^
-    -Zi                                                             %= Generate debugger info =%^
-    -Fe:handmade.exe ..\src\win32_handmade.cpp                      %= Output filename, input filename =%^
-    user32.lib Gdi32.lib winmm.lib                                  %= Linked libraries =%^
-    /link -subsystem:windows,5.1                                    %= Linker stuff =%
+    -Zi                                                             %= Generate debugger info =%
+
+pushd .\build
+
+cl %commonCompilerFlags% -Fe:handmade.dll ..\src\handmade.cpp -Fmhandmade.map /link /DLL /EXPORT:gameGetSoundSamples /EXPORT:gameUpdateAndRender
+cl %commonCompilerFlags% -Fe:handmade_win32.exe ..\src\win32_handmade.cpp -Fmwin32_handmade.map /link %commonLinkerFlags%
 popd
 exit /b