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Date: Wed, 1 Feb 2006 18:20:33 -0800 From: Eric Wing Subject: SDL/Universal Binary updates Hi Sam, Attached is a big set of changes to the Xcode projects to support Universal Binaries. I have also included .dmgs that include the prebuilt frameworks. Ryan, I also updated SMPEG which is also in the package. The SDL and smpeg binaries were built against the CVS version (pulled maybe a month ago?). I do not have an Intel Mac to test on so I have no idea if this stuff actually works. However, Christian Walther has been a big help in testing 10.2.8 and 10.3.9 so I'm fairly confident we got the build settings correct for at least PPC. I have attempted to document the important things for producing these Universal Binaries. Documentation is somewhat scattered through out everything, but there is a big centralized piece of documentation in the UniversalBinaryNotes.rtf in the SDL.dmg. As far as Universal Binaries are concerned, the big things were: - Build with gcc 3.3 on PPC, 4.0 on Intel. - We couldn't get any of the MMX/SSE code to compile/link (SDL and smpeg). - All 3rd party dependencies had to be rebuilt as Universal There were also a bunch of non-Universal things that have been updated: - I converted the SDL-satellites to create .dmg's instead of .pkg installers - Updated all 3rd party static libraries with current versions. (I think libpng was the most dramatic going from 1.0.? to 1.2.8 with API breakage. I haven't found any problems so far in doing this.) - Changed some compiler optimization settings - Finally updated the exports list for SDL_mixer - Tried to include a static smpeg in SDL_mixer (multiple build variants in Xcode project now) - Enabled Altivec in SDL (we forgot to add the flags to Xcode last time) - More documentation Since so many things have changed, there might be new problems introduced. The big issue I've found so far is with SDL_mixer. As I mentioned on the mailing list, MP3's produce an assertion failure. And the MikMod problem reported on Bugzilla continues to persist. There's probably a bunch of other stuff I'm forgetting. There really were hundreds of little things I mucked with so it's hard to remember them all. If you have any questions, feel free to ask. Thanks, Eric
author Sam Lantinga <slouken@libsdl.org>
date Thu, 02 Feb 2006 06:26:39 +0000
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     <xevol @newtonave.net="">      </xevol>     
<h1>Building SDL with Borland's C++ compilers. </h1>
      <b> by <a href="mailto:xevol@users.sourceforge.net"> David Snopek</a></b> 
    and updated by <b><a href="mailto:Dominique@SavageSoftware.com.au">Dominique 
  Louis</a></b> ( Last updated : 30th June 2003 ).<br>
      <br>
       These instructions cover how to compile SDL and its included test
programs   using either  Borland <a href="#bcbwin">C++ Builder 5, 6 for Windows</a>, 
 <a href="#k3">C++ Builder for Linux  ( AKA Kylix 3 )</a> or the free <a
 href="#bccc">Borland C++ command-line compiler</a>. <br>
            
<h3> <b> Extract the files </b> </h3>
            
<p> Unzip the Borland.zip archive into <b>this</b> directory.  Do not unzip 
  it into any  other directory because the makefiles ( *.mak ) and project 
 files ( *.bpr ) use relative paths to refer to the SDL sources.  This  should 
 create a directory named "Borland" inside of the top level SDL source directory. 
   </p>
            
<h3> <b><a name="bcbwin"></a> Using Borland C++ Builder 5, 6 for Windows </b>
</h3>
            
<p> Inside of the "Borland" directory there is a "bcb6" directory that contains 
  a number  of Builder project files.  Double-click on the "libSDL.bpg" file 
  icon.  Once Builder has  started click on the "<u>P</u>rojects" menu on 
the  menu-bar and go down to  "B<u>u</u>ild All Projects" option.  <br>
   This will proceed  to build SDL ( with Borland's calling convention ), 
SDLmain,  and all  the <a href="#tests">test programs</a>. Currently, all 
the <a href="#tests">test programs</a>  are dynamically linked to Sam Lantinga's 
SDL.dll.</p>
     
<p><b>NOTE :</b> Borland's "lib" format and Microsoft's "lib" format are incompatible.
&nbsp;<br>
   If you wish to dynamically link to the SDL library supplied by Sam Lantinga 
 in each release, I have created the correct *.libs for SDL 1.2.4 and they 
 exist in the "/lib" directory.<br>
   If you would like to create the *.lib files yourself, you will need to 
make  use of Borland's "implib.exe" utility.<br>
   </p>
     
<p><tt>IMPLIB</tt> works like this: </p>
       
<pre>    IMPLIB (destination lib name) (source dll)<br></pre>
       
<p> For example,</p>
       
<pre>    IMPLIB SDL.lib SDL.dll<br></pre>
     
<p>This assumes that SDL.dll was compiled with Visual C++ or similar.<br>
   </p>
     
<p>To learn more about the difference between Borland's and Microsoft's *.lib 
 format please read the article <a
 href="http://www.bcbdev.com/articles/vcdll.htm">here</a>.<br>
   </p>
     
<p>  <b><br>
   NOTE :</b> The C++ Builder for Windows project format, is not compatible
 with the Kylix  3 project format, hence the reason why they are in separate
 directories.</p>
            
<h3> <b><a name="bccc"></a> Using the free Borland C++ command-line compiler 
 </b> </h3>
            
<p> The free Borland compiler can be downloaded at no charge from <a
 href="http://www.borland.com/bcppbuilder/freecompiler/"> the  Borland website 
  </a>.  Make sure that it is installed and properly configured. </p>
            
<p> Open an MS-DOS Prompt.  Change to the "Borland\freebcc" directory under 
  the  SDL source directory.  Type "make -f SDL.mak" to build SDL and "make 
  -f  SDLmain.mak".  There are also makefiles for all of the <a
 href="#tests">test  programs</a>, if you wish to build them. All .exes and 
DLLs are created in the "test" SDL directory. Ify ou would like to create 
the DLL and all the test applications, I have thrown together a basic batchfile 
called "makeall.bat" which should create everything in the right order. </p>
            
<h3> <b> Output files </b> </h3>
       No matter which compiler you used, three important files should have 
 been  produced:        
<ul>
      	<li> SDL.dll ( Borland format ) </li>
      	<li> SDL.lib&nbsp;( Borland format ) </li>
      	<li> SDLmain.lib&nbsp;( Borland format ) </li>
           
</ul>
       Both of the *.lib files will need to be added to all the projects
that   use SDL and SDL.dll  must be placed some where the Windows dynamic
linker   can find it (either in your  project directory or on the system
path, C:\WINDOWS\SYSTEM).       
<h3> <b><a name="k3"></a> Using Borland C++ Builder for Linux ( AKA Kylix 
 3 ) </b> </h3>
              
<p> Inside of the "Borland" directory there is a "k3" directory that contains 
  a number  of Builder project files.  Double-click on the "libSDL.bpg" file 
  icon.  Once Builder has  started click on the "<u>P</u>rojects" menu on 
the  menu-bar and go down to  "B<u>u</u>ild All Projects" option.  This will 
proceed  to build all  the <a href="#tests">test programs</a>.&nbsp;<br>
   Linux  users do not need *.lib files as the Shared Object is linked right 
 into the  project ( very neat actually, Windows should do this sort of thing 
 as it is a lot easier for the developer ).  <br>
      <b>NOTE :</b>&nbsp;The C++ Builder for Windows project format, is not
 compatible with the Kylix  3 project format, hence the reason why they are
 in separate directories.</p>
           
<p> On Mandrake 8.1 the shared objects for SDL are located in the /usr/lib 
  directory as libSDL_*.so and the Mesa OpenGL shared objects are located 
in  /usr/X11R6/lib as libGL*.so<br>
       <br>
       So if your setup is different you may need to change the project file
  so that they re-link to the ones on your system.<br>
       <br>
       On Mandrake 8.1 the headers files are located at /usr/include/SDL/.
 So  if you you have not installed the development RPMs ( usually named libSDL-devel*
   ) for SDL ( not included ) you may have to change the include directory
 within  some of the projects.<br>
   </p>
     
<h3> Known Problems</h3>
     The only known problem is that I ( Dominique Louis ), was unable to
create  the projects that rebuilt the SDL shared objects under Linux, due
to time  constraints and my lack of intimate knowledge of Linux.     
<h3><a name="tests"><b> Test programs </b> </a></h3>
   Some of the test programs require included media files ( *.wav; *.bmp
etc   ). All the test programs are now created in the "test" directory, where
the media files are ( usually ) so they should be ready to go.  <br>
     <br>
  <br>
 <br>
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