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Date: Sun, 11 May 2003 19:59:06 +0300 From: Pasi K?rkk?inen Subject: [PATCH] fix SDL OpenGL segfault with DRI/Mesa drivers and Glew Hello! The attached patch fixes a bug in SDL which causes SDL to crash in X11_GL_Shutdown() if you are using DRI/Mesa drivers AND glew (http://glew.sf.net). The bug is caused by a namespace collision affecting dlsym() to fetch wrong pointer for glXReleaseBuffersMESA() (uninitialized pointer from glew because the extension is NOT supported by the driver) and then SDL calling it in X11_GL_Shutdown(). SDL should check if the glXReleaseBuffersMESA() is really supported by the driver (from the extensions string) before calling it. Attached patch adds extension string parsing to check if glXReleaseBuffersMESA() is really supported (and this way prevents the segfault). Availability of the extensions should be _always_ checked from the extensions string rather than using dlsym()! Please add it to the next version of SDL. Thanks to gltron and author of glew to help fixing this.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 28 Jun 2003 17:27:33 +0000
parents daa944f00154
children 5fb02068b648
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%define name @PACKAGE@
%define version @VERSION@
%define release 1

Summary: Simple DirectMedia Layer
Name: %{name}
Version: %{version}
Release: %{release}
Source0: %{name}-%{version}.tar.gz
URL: http://www.libsdl.org/
Copyright: LGPL
Group: System Environment/Libraries
BuildRoot: /var/tmp/%{name}-buildroot
Prefix: %{_prefix}
Provides: libSDL-1.1.so.0

%description
This is the Simple DirectMedia Layer, a generic API that provides low
level access to audio, keyboard, mouse, and display framebuffer across
multiple platforms.

%package devel
Summary: Libraries, includes and more to develop SDL applications.
Group: Development/Libraries
Requires: %{name}

%description devel
This is the Simple DirectMedia Layer, a generic API that provides low
level access to audio, keyboard, mouse, and display framebuffer across
multiple platforms.

This is the libraries, include files and other resources you can use
to develop SDL applications.


%prep
rm -rf ${RPM_BUILD_ROOT}

%setup -q 

%build
CFLAGS="$RPM_OPT_FLAGS" ./configure --prefix=%{prefix} --disable-video-svga --disable-video-ggi --disable-video-aalib --disable-debug --enable-dlopen --enable-esd-shared --enable-arts-shared --disable-alsa
make

%install
rm -rf $RPM_BUILD_ROOT
make install prefix=$RPM_BUILD_ROOT/%{prefix}
ln -s libSDL-1.2.so.0 $RPM_BUILD_ROOT/%{prefix}/lib/libSDL-1.1.so.0

%clean
rm -rf $RPM_BUILD_ROOT

%files
%defattr(-,root,root)
%doc README-SDL.txt COPYING CREDITS BUGS
%{prefix}/lib/lib*.so.*

%files devel
%defattr(-,root,root)
%doc README README-SDL.txt COPYING CREDITS BUGS WhatsNew docs.html
%doc docs/index.html docs/html
%{prefix}/bin/*-config
%{prefix}/lib/lib*.a
%{prefix}/lib/lib*.la
%{prefix}/lib/lib*.so
%{prefix}/include/SDL/
%{prefix}/man/man3/*
%{prefix}/share/aclocal/*

%changelog
* Wed Jan 19 2000 Sam Lantinga <slouken@libsdl.org>
- Re-integrated spec file into SDL distribution
- 'name' and 'version' come from configure 
- Some of the documentation is devel specific
- Removed SMP support from %build - it doesn't work with libtool anyway

* Tue Jan 18 2000 Hakan Tandogan <hakan@iconsult.com>
- Hacked Mandrake sdl spec to build 1.1

* Sun Dec 19 1999 John Buswell <johnb@mandrakesoft.com>
- Build Release

* Sat Dec 18 1999 John Buswell <johnb@mandrakesoft.com>
- Add symlink for libSDL-1.0.so.0 required by sdlbomber
- Added docs

* Thu Dec 09 1999 Lenny Cartier <lenny@mandrakesoft.com>
- v 1.0.0

* Mon Nov  1 1999 Chmouel Boudjnah <chmouel@mandrakesoft.com>
- First spec file for Mandrake distribution.

# end of file