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Added a README for Qtopia
author Sam Lantinga <slouken@libsdl.org>
date Sat, 01 Jun 2002 18:43:51 +0000
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2 ==============================================================================
3 Using the Simple DirectMedia Layer with Qtopia/OPIE
4 ==============================================================================
5
6 ==============================================================================
7 I. Setting up the Qtopia development environment.
8
9 This document will not explain how to setup the Qtopia development
10 environment. That is outside the scope of the document. You can read
11 more on this subject in this excellent howto:
12
13 http://www.zauruszone.com/howtos/linux_compiler_setup_howto.html
14
15 ==============================================================================
16 II. Building the Simple DirectMedia Layer libraries using the arm
17 cross-compiler
18
19 This is somewhat tricky since the name of the compiler binaries
20 differ from the standard. Also you should disable features not
21 needed. The command below works for me. Note that it's all one
22 line. You can also set the NM, LD etc environment variables
23 separately.
24
25 NM=arm-linux-nm LD=arm-linux-ld CC=arm-linux-gcc CXX=arm-linux-g++ RANLIB=arm-linux-ranlib AR=arm-linux-ar ./configure --enable-video-qtopia --disable-video-dummy --disable-video-fbcon --disable-video-dga --disable-arts --disable-esd --disable-alsa --disable-cdrom --disable-video-x11 --disable-nasm --prefix=/opt/Qtopia/sharp/ arm-unknown-linux-gnu
26
27 One thing to note is that the above configure will include joystick
28 support, even though you can't have joysticks on the Zaurus. The
29 reason for this is to avoid link / compile / runtime errors with
30 applications that have joystick support.
31
32 ==============================================================================
33 III. Building the Simple DirectMedia Layer test programs:
34
35 After installing, making sure the correct sdl-config is in your
36 path, run configure like this:
37
38 NM=arm-linux-nm LD=arm-linux-ld CC=arm-linux-gcc CXX=arm-linux-g++ AR=arm-linux-ar ./configure arm-unknown-linux-gnu
39
40 ==============================================================================
41 IV. Application porting notes
42
43 One thing I have noticed is that applications sometimes don't exit
44 correctly. Their icon remains in the taskbar and they tend to
45 relaunch themselves automatically. I believe this problem doesn't
46 occur if you exit your application using the exit() method. However,
47 if you end main() with 'return 0;' or so, this seems to happen.
48
49 Also note that when running in landscape mode - i.e requesting a
50 window that is HEIGHT pixels wide and WIDTH pixels high, where WIDTH
51 and HEIGHT normally is 240 and 320 - the image is blitted so that
52 the hardware buttons are on the left side of the display. This might
53 not always be desirable but such is the code today.
54
55
56 ==============================================================================
57 V. Enjoy! :)
58
59 If you have a project you'd like me to know about, or want to ask questions,
60 go ahead and join the SDL developer's mailing list by sending e-mail to:
61
62 sdl-request@libsdl.org
63
64 and put "subscribe" into the subject of the message. Or alternatively you
65 can use the web interface:
66
67 http://www.libsdl.org/mailman/listinfo/sdl
68
69 ==============================================================================
70 VI. What is supported:
71
72 Keyboard (Sharp Zaurus)
73 Hardware buttons
74 Stylus input (mouse)
75 Video. Allows fullscreen both in portrait mode (up to WIDTHxHEIGHT
76 size window) and in landscape mode (up to HEIGHTxWIDTH).
77
78 All other SDL functionality works like a normal Linux system (threads,
79 audio etc).
80
81 --
82 David Hedbor <david@hedbor.org>
83 http://david.hedbor.org/ http://eongames.com/
84