only exists at /usr/sys/arch/i386/include/joystick.h, for example.

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From: Mattias Karlsson <betasoft@acc.umu.se>
To: sdl@libsdl.org
Subject: [SDL] [PATCH] Fix (tiny) build problems on solaris (fwd)

This small patch fixes building audio on solaris 2.9 with gcc 4.0

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   http://www.devolution.com/pipermail/sdl/2005-October/070998.html

--ryan.

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 SDL_GL_LoadLibrary().

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Driver can now open whatever library is specified in SDL_GL_LoadLibrary()
 call (previously, it ignored this parameter), and uses the default system
 library when NULL is specified.

Also, library is loaded once in SDL_GL_LoadLibrary() and not every call to
 SDL_GL_GetProcAddress().

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To: sdl@libsdl.org
Date: Fri, 30 Sep 2005 02:24:50 -0600
Subject: [SDL] WinCE timers, continued

Here's a strange timer for Windows CE that doesn't ignore time across
suspends.  It uses GetSystemTime to keep the time continuous, and GetTicks to
get finer-grained readings than 1 second.  It detects the difference between
the GetTicks time and GetSystemTime time on power-on to keep the error within
one second max.

It's not a patch on the current win32 timer code -- took one look at that and
figured it had more than enough #ifdefs already.  It's windows-ce specific.

Another thing I've noticed is that the Windows CE 4.0 and newer API has
functions warn processes about suspends.  This is something SDL REALLY needs
for audio in particular, because turning it off while it's playing causes
anything that uses audio to hardlock the system on power-on.  Unfortunately I
don't have 4.0 to play with.  :(

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  http://lists.arabeyes.org/archives/developer/2004/June/msg00160.html

--ryan.

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 Quartz target...fixed this to match the documented behaviour.

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From: Mark Schreiber <mark7@alumni.cmu.edu>
To: ryan@clutteredmind.org
Subject: [PATCH]SDL mprotect() crash fix

(I'm going to throw this patch your way at the suggestion of #SDL --
for some reason, I had some difficulty sending it to the main list
last time, and I go bonkers subscribing to send each email or
patch...)

Currently, when I run SDL applications as non-root using
SDL_VIDEODRIVER=dga, the fbdev fallback mprotect()s read/write the
proper size of mmapped /dev/fb0 (7.5MB), but on framebuffer release
mprotect()s read-only the range by the entire size of my video memory
(128MB), which causes a segfault:

#0  0x002a9a27 in ?? () from /lib/libc.so.6
#1  0x04a63eb6 in SDL_XDGAUnmapFramebuffer (screen=3D0) at XF86DGA2.c:978
#2  0x04a63efc in SDL_XDGACloseFramebuffer (dpy=3D0x9d3f008, screen=3D0)
    at XF86DGA2.c:268
#3  0x04a68b57 in DGA_Available () at SDL_dgavideo.c:98
#4  0x04a53677 in SDL_VideoInit (driver_name=3D0xbfb0bfc7 "dga", flags=3D0)
    at SDL_video.c:180
#5  0x04a2613f in SDL_InitSubSystem (flags=3D32) at SDL.c:74
#6  0x04a2617c in SDL_Init (flags=3D32) at SDL.c:166
#7  0x08049722 in main (argc=3D1, argv=3D0x0) at testwin.c:32

This is SDL 1.2.8 on Fedora Core 4, radeon driver for a Radeon 9250,
xorg-x11-6.8.2-37.

I've attached a one-line patch against SDL CVS that updates the size
of the framebuffer at framebuffer map time so that the mprotect() on
unmap will be the same size.  I'm not sure if this is the best
approach (i.e. one might want to retain the original value), but it
does make my SDL applications work without segfaulting.

-- Best of luck, Mark Schreiber

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 instead replace it with the string "(null)", like glibc's printf() would do.

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From: Hayashi Naoyuki <titan@culzean.org>
To: "A list for developers using the SDL library. \(includes SDL-announce\)" <sdl@libsdl.org>
Subject: Re: [SDL] Dynamic X11...

1. Compilation produce the following error on Tru64 UNIX.
cc: Severe: SDL_x11dyn.h, line 31: Cannot find file
<X11/extensions/extutil.h> specified in #include directive. (noinclfilef)
#include <X11/extensions/extutil.h>

Because Tru64 UNIX doesn't have extutil.h, this error is caused.


2. Compilation with --enable-x11-shared=no produce the following error.
cc: Error: SDL_x11sym.h, line 115: In this statement,
"Xutf8TextListToTextProperty" is not declared. (undeclared)
SDL_X11_SYM(int,Xutf8TextListToTextProperty,(Display*,char**,int,XICCEncodingStyle,XTextProperty*))

Though it doesn't have Xutf8TextListToTextProperty,
"pXutf8TextListToTextProperty = Xutf8TextListToTextProperty;"
in SDL_x11dyn.c,117-119
#define SDL_X11_SYM(r,fn,arg) p##fn = fn;
#include "SDL_x11sym.h"
#undef SDL_X11_SYM


-- Hayashi Naoyuki Key fingerprint = 60A0 D5D3 F58B 3633 2E52 0147 D17F 5578 3FDF F5B6

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 This allows you to run an SDL program on a system without Xlib, since it'll
 just report the x11 target unavailable at runtime.

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From: Hayashi Naoyuki
Subject: SDL_numjoysticks: multiply defined

The following linker error is produced when I try to build SDL CVS on Tru64.
ld:
.libs/libSDL.lax/libjoystick.a/SDL_sysjoystick.o: SDL_numjoysticks:
multiply defined

SDL_numjoysticks is defined in both src/joystick/SDL_joystick.c:48: and
SDL12/src/joystick/dummy/SDL_sysjoystick.c:37:.
As a result, compilation produce "multiply defined" errors, when link.

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From: Dirk Mueller
Subject: [PATCH] build SDL with nonexecutable stack


libSDL is by default marked with an executable stack, which it doesn't
actually need. the reason for this is that there are assembler files in the
source tree not properly annotated with the "noexec stack" section. As such
the linker does a safe-fallback and marks the whole lib as "requires
executable stack".

the patch below removes this by adding annotations. As far as I can see it
shouldn't break anything.

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From: Mike Frysinger <vapier@gentoo.org>
To: sdl@libsdl.org
Subject: Re: [SDL] libsdl needs some tweaks for DirectFB 0.9.23

On Fri, Oct 28, 2005 at 01:23:57AM +0000, Mike Frysinger wrote:
> the new release of DirectFB breaks the libsdl DirectRB video module
>
> specifically, this change:
> http://www.directfb.org/index.php/viewcvs.cgi/DirectFB/include/directfb.h.diff?r1=1.266&r2=1.267
>
> but (unless i missed something), it should be trivial to fix (just annoying)
> ... ive done so in Gentoo (also attached):
> http://viewcvs.gentoo.org/media-libs/libsdl/files/libsdl-1.2.9-DirectFB-updates.patch

hmm, i did miss something ... need to include directfb_version.h before trying
to test version defines :)

updated patch attached as well as previous URL
-mike

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From: Thomas Omilian <paccy@arcor.de>
To: sdl@libsdl.org
Subject: [SDL] SDL_SoftStretch() fixed!

Ok, after debugging the night I found the error:

in video/SDL_stretch.c in Line 81

    /* See if we need to regenerate the copy buffer */
    if ( (src_w == last.src_w) &&
         (dst_w == last.src_w) && (bpp == last.bpp) ) {
        return(0);
    }

the second comparison should be (dst_w == last dst_w).
Perhaps someone could apply it to the source...

Regards,
  Thomas Omilian

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 GCCs versions.

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 Casts to (char *) will disable strict aliasing when the compiler sees it.

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 just be flat out missing from glibc, so force use of previous gettimeofday()
 behaviour for now.

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From: Tommi Kyntola <tommi.kyntola@ray.fi>
To: sdl@libsdl.org
Subject: [SDL] [RFC] get_ticks broken on linux

It uses gettimeofday to calculate the timedifference.
Gettimeofday returns current time which is seldom monotonous.
This breaks SDL timer subsystem. (time callbacks and all that
get borked when the time difference ms is suddenly ~ 2^32)

I posted a message about this earlier but got no response.
Some thoughts on this matter would be appreciated.
(Or even an explanation for the lack of interest.)

A patch below would use the posix timers that have been around
since posix 93 and do provide a good source of monotonous time
on linux boxes (and on few others too).

The following patch is also availabe at:
http://www.hut.fi/u/tkyntola/SDL-1.2.9-clockfix.patch

It's against 1.2.9, but I can easily rediffit against
the cvs branch is needed.

cheers,
Tommi Kyntola            tommi.kyntola@ray.fi

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From: =?ISO-8859-1?Q?Martin_Storsj=F6?= <martin@martin.st>
To: sdl@libsdl.org
Subject: [SDL] [PATCH] Use nanosleep on OS X

Hi,

The current version of SDL_Delay on OS X seems to always sleep at least 10
msec. OS X has nanosleep(), which performs shorter sleeps well. The
attached patch makes it use that one instead of select() as currently.

// Martin

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 implemented in the higher-level CD code.

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 activekitten.com.

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 if SDL is built with a non-cdecl calling convention, and it's just generally
 bad practice anyhow.

Now programs explicitly call SDL_Quit() where appropriate, wrap SDL_Quit() in
 a cdecl function where it can't be avoided, and rely on the parachute where
 a crash might have hit the atexit() before (these ARE test programs, after
 all!).

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    http://bugs.gentoo.org/show_bug.cgi?id=104437

I believe the patch is from Harald van Dijk (comment #16 at the above url).

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To: "'A list for developers using the SDL library. \(includesSDL-announce\)'" <sdl@libsdl.org>
Date: Mon, 19 Sep 2005 18:59:43 -0400
Subject: [SDL] [patch] Volume multiplier bug in

The volume multiplier in SDL_MixAudio_MMX_S8() is formed from the wrong
register.

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From: Jon Daniel <forcemaster@gmx.net>
To: sdl@libsdl.org
Subject: [SDL] SDL_SemWaitTimeout patch for BeOS

The current SDL-1.2.9/src/thread/beos/SDL_syssem.c returns -1 if the
acquire_sem timeouts which according to the DocWiki is not correct.
I've added support for the B_TIMED_OUT and B_WOULD_BLOCK in the switch.

Jon Daniel

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