[vlc-devel] Building VLC for Windows

[Rafaël Carré]

On 2012-02-04 03:52, Kaarlo Räihä wrote:
> 2012/2/4 Rafaël Carré<funman at videolan.org>
>
>> Le 2012-02-03 19:04, Rafaël Carré a écrit :
>>> vlc | branch: master | Rafaël Carré<funman at videolan.org>  | Thu Feb  2
>> 18:23:20 2012 -0500| [521f40906c11615b9da6fabb19870724b91769fb] |
>> committer: Rafaël Carré
>>>
>>> contrib: detect mingw-w64 (as opposed to mingw.org)
>>
>> Hello,
>>
>> I want to explain what is going on with all the mingw changes.
>>
>>
>> Q. What is Mingw?
>> A. Mingw is a set of headers and libraries which mimic the Windows SDK,
>> and let people build applications for Windows without Windows.
>> It's the equivalent of glibc for Linux.
>>
>> Q. What is mingw.org?
>> A. Often called "mingw32", it's the first project which shipped such
>> libraries and headers, targetting Windows/i386.
>> On Debian it's installed in /usr/i586-mingw32msvc
>> See http://www.mingw.org/
>>
>> Q. What is mingw-w64?
>> A. It's a fork of mingw.org which adds Win64 compatibility (targetting
>> x86_64), but keeps Win32 compatibility.
>> On Debian it's installed in /usr/x86_64-w64-mingw32 and
>> /usr/i686-w64-mingw32.
>> See http://mingw-w64.sourceforge.net/
>>
>> Q. What does VLC build with?
>> A. It was always built with mingw.org
>> See http://wiki.videolan.org/Win32Compile
>>
>>
>>
>> So to build VLC with mingw.org you need:
>>         gcc built for i586-ming32msvc target (available as gcc-mingw32 in
>> debian, which is gcc 4.4)
>>         binutils built for i586-mingw32msvc target (available as
>> mingw32-binutils in debian, which is binutils 2.20)
>>         mingw.org>= 3.15 (only 3.13 is available in debian, you can get a
>> more
>> recent package on http://people.videolan.org/~jb/debian/ , or get 3.15
>> from Ubuntu).
>>         directx, directshow, direct2d, and dxva2api headers which are absent
>> from mingw.org (that is taken care by the contrib)
>>
>>
>>
>> If you want to use mingw-w64 (for either 32bits or 64bits), you need:
>>         gcc built for your target (debian has gcc-mingw-w64 which is gcc
>> 4.6.2)
>>         binutils built for your target (debian has binutils-mingw-w64 which
>> depends on both targets)
>>         mingw-w64 built for your target.
>>
>>
>> So which version of mingw-w64 works with VLC ? Let's see....
>>
>> <= 2.0.0 has a #define printf __mingw_printf which breaks printf format
>> attribute and C++ using printf as a name for class members, so it can
>> not be used to build Qt4.
>>
>> 2.0.1 has fixes for printf functions, but a bug in the definition of
>> asprintf will make VLC crash at runtime.
>>
>> 2.0.1+svn4784-1 available in Debian works, but
>> include/sdks/_mingw_directx.h incorrectly states that DirectX SDK is not
>> available while it is; you can change the #if 0 into #if 1 into that file.
>>
>> I was recently given commit access to mingw-w64 and I have been
>> contributing fixes for those issues.
>>
>>
>> What remains to be done:
>> - Fix the availability of DirectX SDK in header
>> - Fix ID2D1HwndRenderTarget interface (d2d1.h in Debian's version is not
>> detected by VLC due to using C++ syntax, which is fixed already)
>>
>> When that 2 changes will be done, 3.0 and 2.0.2 will be the first
>> versions of mingw-w64 able to build VLC out of the box (and without
>> using external headers).
>>
>> You can find automated builds for both 32/64 bits target, and for Linux
>> i386/amd64 / Windows (presumably 32bits) and OSX (presumably i386) on:
>>
>> http://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win32/Automated%20Builds/
>>
>> http://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win64/Automated%20Builds/
>>
>> However I don't know the schedule for rebuild.
>>
>>
> If this workflow works with Debian netinst, I could do Wiki tutorial for
> virtual machine compile since build from Windows seems somewhat error prone
> for new developers.

For mingw.org gcc-mingw32 + mingw32-runtime 3.17 from jb's homepage 
should be enough,

You'll need also build-essential cmake yasm subversion? cvs gettext 
autopoint libtool autoconf automake xz git

To make the package you'll need makensis 7zip tofromdos lua5.1

That should be enough I think