On 2012-04-12, at 12:08, Adam Treat <atr...@rim.com> wrote:

> If my memory serves me the problem was that Apple couldn't figure out how to 
> get cmake installed on the Apple build system machine.

It has little to do with installing software and everything to do with the 
complexity involved in making a new build system work within the constraints of 
our production build process. In particular, each project needs to be able to 
build independently from the others. That is, the equivalent of "svn co 
http://svn.webkit.org/repository/webkit/trunk/Source/WTF && make -C WTF" needs 
to work. Based on what I can see of the existing structure of the CMake build 
system this isn't possible as parts of the build system live in the root of the 
repository or the Source directory.

- Mark

> ________________________________________
> From: webkit-dev-boun...@lists.webkit.org 
> [webkit-dev-boun...@lists.webkit.org] on behalf of Dirk Pranke 
> [dpra...@chromium.org]
> Sent: Thursday, April 12, 2012 2:06 PM
> To: Patrick Gansterer
> Cc: WebKit Development
> Subject: Re: [webkit-dev] CMake for Apple's Windows port
> 
> I think this is great; I've been meaning to spend some time on the
> apple win port trying to fix the remaining bugs holding up the switch
> to NRWT, but the fact that the apple win port still uses VS2005 is
> definitely an impediment (yes, I can probably just pull the binaries
> down from a bot for my purposes, but I'd really like to be able to
> build it).
> 
> Patrick, have you documented what all you need to install on a Win box
> in order to be able to run CMake and do the build?
> 
> Can someone from Apple weigh in on whether switch to CMake would be feasible?
> 
> -- Dirk
> 
> On Thu, Apr 12, 2012 at 5:41 AM, Patrick Gansterer <par...@paroga.com> wrote:
>> Hi,
>> 
>> it's more than a year since the last discussion about the build system of 
>> Apple's Windows port. In the meantime I merged most of the general changes 
>> into the CMake files in the repository and have a working patch with a few 
>> CMake files at [1] as written in [2]. I don't think that it is ready to 
>> replace the existing vcproj files already, but I like to hear all points 
>> needed to do that.
>> Adding CMake files for the WinCairo port (which uses the vcproj files too) 
>> will be very easy when the Apple version has been added.
>> 
>> Here some benefits to the CMake version:
>> 1) Shared build system: The shared files are already used by the Blackberry, 
>> EFL and WinCE port, so only the list of platform specific files needs to be 
>> maintained.
>> 2) No dependency on cygwin [3]: The CMake build system searches for the 
>> Win32 version of the required executables (bison, gperf, flex, perl and 
>> python) like the WinCE port does already (see [4]).
>> 3) Less Solution targets: Some of he current vcproj files only used for 
>> triggering Makefiles. The vcproj generates more native vcproj files, which 
>> e.g. allows clicking on one of the IDL files to generate the corresponding 
>> files.
>> 4) Easy creation of Visual Studio 2010 project files [5]: Using CMake allows 
>> an easy transition to other (newer) Visual Studio versions, since every 
>> developer can choose his preferred version.
>> 5) It's possibe to create Makefiles: The output of the windows buildbots 
>> shows much unwanted messages. Using Makefiles on the bots can produce 
>> cleaner logs and take advantage of all cores when used with JOM [7].
>> 
>> Would be great if people who use the current VS Solution can give the CMake 
>> version a try and provide some feedback about it.
>> 
>> BTW: There is also a patch to switch Wx to CMake at [8], but it did not get 
>> a positive response.
>> 
>> [1] https://bugs.webkit.org/show_bug.cgi?id=72816
>> [2] https://lists.webkit.org/pipermail/webkit-dev/2011-February/015831.html
>> [3] https://bugs.webkit.org/show_bug.cgi?id=48166
>> [4] http://trac.webkit.org/wiki/WinCE#Build
>> [5] https://bugs.webkit.org/show_bug.cgi?id=53445
>> [6] https://lists.webkit.org/pipermail/webkit-dev/2011-January/015815.html
>> [7] http://qt-project.org/wiki/jom
>> [8] https://bugs.webkit.org/show_bug.cgi?id=73100
>> 
>> -- Patrick
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