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+++ b/symbian-qemu-0.9.1-12/libsdl-trunk/README.Watcom Fri Jul 31 15:01:17 2009 +0100
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+
+Using SDL under Windows with the OpenWatcom compiler
+====================================================
+
+Prerequisites
+-------------
+
+I have done the port under Windows XP Home with SP2 installed. Windows
+2000 should also be working. I'm not so sure about ancient Windows NT,
+since only DirectX 3 is available there. Building should be possible,
+but running the compiled applications will probalbly fail with
+SDL_VIDEODRIVER=directx. The windib driver should work, though.
+
+To compile and use the SDL with Open Watcom you will need the following:
+- Open Watcom compiler. I used version 1.5. The environment variables
+ PATH, WATCOM and INCLUDE need to be set appropriately - please consult
+ the OpenWatcom documentation and instructions given during the
+ installation of the compiler.
+ My setup looks like this in owvars.bat:
+ set WATCOM=C:\watcom
+ set INCLUDE=%WATCOM%\h;%WATCOM%\h\nt
+ set PATH=%PATH%;%WATCOM%\binnt;%WATCOM%\binw
+- A fairly recent DirectX SDK. The original unmodified DX8 SDK works, as
+ well as the minimal DirectX 7 SDK from the Allegro download site
+ (<http://alleg.sourceforge.net/files/dx70_min.zip>).
+- The SDL sources from Subversion
+- The file Watcom-Win32.zip (now available in Subversion)
+
+
+Building the Library
+--------------------
+
+1) In the SDL base directory extract the archive Watcom-Win32.zip. This
+ creates a subdirectory named 'watcom'.
+2) The makefile expects the environment variable DXDIR to be set to the
+ base directory of a DirectX SDK. I have tried a stock DX8 SDK from
+ Microsoft as well as the minimal DirectX 7 SDK from the Allegro
+ download site.
+ You can also edit the makefile directly and hard code your path to
+ the SDK on your system.
+ I have this in my setup:
+ set DXDIR=D:\devel\DX8_SDK
+3) Enter the watcom directory and run
+ wmake sdl
+4) All tests from the test directory are working and can be built by
+ running
+ wmake tests
+
+Notes:
+
+ The makefile offers some options to tweak the way the library is built.
+ You have at your disposal the option to build a static (default)
+ library, or a DLL (with tgt=dll). You can also choose whether to build
+ a Release (default) or a Debug version (with build=debug) of the tests
+ and library. Please consult the usage comment at the top of the
+ makefile for usage instructions.
+
+ If you specify a test target (i.e. 'wmake tests' for all tests, or
+ selected targets like 'wmake testgl testvidinfo testoverlay2'), the
+ tests are always freshly compiled and linked. This is done to
+ minimise hassle when switching between library versions (static vs.
+ DLL), because they require subtly different options.
+ Also, the test executables are put directly into the test directory,
+ so they can find their data files. The clean target of the makefile
+ removes the test executables and the SDL.dll file from the test
+ directory.
+
+ To use the library in your own projects with Open Watcom, you can use
+ the way the tests are built as base of your own build environment.
+
+ The library can also be built with the stack calling convention of the
+ compiler (-6s instead of -6r).
+
+
+Test applications
+-----------------
+
+I've tried to make all tests work. The following table gives an overview
+of the current status.
+
+ Testname Status
+~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+checkkeys +
+graywin +
+loopwave +
+testalpha +
+testbitmap +
+testdyngl +
+testerror +
+testfile +
+testgamma +
+testgl +
+testhread +
+testiconv - (all failed)
+testkeys +
+testlock +
+testoverlay + (needs 'set SDL_VIDEODRIVER=directx')
+testoverlay2 + (needs 'set SDL_VIDEODRIVER=directx')
+testpalette +
+testplatform +
+testsem +
+testsprite +
+testtimer +
+testver +
+testvidinfo +
+testwin ? (fading doesn't seem right)
+testwm +
+torturethread +
+testcdrom +
+testjoystick not tested
+threadwin +
+testcursor +
+
+
+TODO
+----
+
+There is room for further improvement:
+- Test joystick functionality.
+- Investigate fading issue in 'testwin' test.
+- Fix the UTF-8 support.
+- Adapt the makefile/object file list to support more target systems
+- Use "#pragma aux" syntax for the CPU info functions.
+
+
+Questions and Comments
+----------------------
+
+Please direct any questions or comments to me: <mailto:macpete@gmx.de>
+
+ Happy Coding!
+
+ Marc Peter