Wireshark-dev: Re: [Wireshark-dev] Windows cmake
From: Graham Bloice <[email protected]>
Date: Mon, 9 Jun 2014 18:04:16 +0100
On 5 June 2014 10:00, Graham Bloice <[email protected]> wrote:
On 5 June 2014 07:18, Joerg Mayer <[email protected]> wrote:Hello (at least Graham),
I'd like to get as far with the cmake on Windows stuff as possible during
Sharkfest I thought we might as well start early ;-)
What do we need to address in the cmake build system to be able to propose
getting rid of the current nmake based Windows build system completely?
One thing that needs to be addressed is the build setup:
Currently parts of the setup (downloading, installing) are done by a script.
Other parts like deciding which versions to use are done by "make setup".
Yet other parts are done when compiling wireshark (like compiling portaudio).
Some are not done by anything in the setup/build process but have to be done
manually (like fixing include files for some environments).
So at least we need to
a) create a list of what needs to be addressed exactly and
b) decide how to do it (my personal approach would be to add all this to
the existing setup script - but I'm not really familiar with all that Windows
Somewhere on the list (last Oct\Nov ??) I posed a message with my list of things to do, however even the mighty Google can't find it. I might be misremembering though. I'll look for it later on tonight.We have also had previous discussions about the setup script and using alternative Windows package management systems e.g. Coapp or Chocolatey to run the downloads. I think there are 3 phases to this though:
- Creating\checking the build environment, i.e. downloading\installing\updating all required libraries and tools and checking the build env is sane.
- Running CMake to produce the solution\nmake files for the installed build env. This might involve running the "is build env sane" script as a prereq. Some "configuration" items are defined by the build environment so can be taken into account by CMake.
- Using the toolchain with the CMake generated artefacts to produce a build. Some configuration items are defined by the sources (e.g. version number, or build type, release, debug etc.) so the toolchain has to ensure these are processed correctly.I would dearly like to remove Cygwin from the equation, switching to Gnuwin32 for things such as flex and bison, and PowerShell (or Python or CMake builtins) for general scripting tasks. Even more contentious would be to remove the need for Perl, and use Python as the cross-platform script tool as using two script tools involves an extra download for Windows and it seems that Python is currently "more" essential to the build system (and I don't like Perl ;-) ).
The previous message I referred to is listed at the bottom of http://www.wireshark.org/lists/wireshark-dev/201312/msg00005.html
Now I've found it, I should update it.
1. Copy build artifacts (and 3rd party dlls etc.) to a directory for running (as per nmake). Almost like install. Note that the exact location of the build artifacts depends on the type of build actually made (debug, release etc.).
Currently we have setpath, which does work, but I don't like the way it extends your path each time. Also I found windeployqt that will copy all required QT DLL's just by passing it your executable.
2. Fix the generation of the manifext files (in progress GMB), and include in build (use SED to produce .manifest from .manifest.in), should go into correct intermediate build dir (e.g. wireshark.dir\Release). Note needs to know processor architecture, so maybe should be a prebuild custom command for each target).
Still in progress, as in nothing done.
3. Fix the generation of the .rc files (in progress GMB), and include in build (use SED to produce .rc from .rc.in), should go into correct intermediate build dir (e.g. wireshark.dir\Release). Note associated .ico and .manifest.
Still in progress, as in nothing done.
4. Fix the use of zlib, so that zlib is built by CMake and doesn't require nmake build first.
5. Fix PortAudio.
6. Fix CMake to find a working pkg-config.exe (only found in gtk2\bin at the moment, missing from gtk3), currently manualy copied to build dir (along with intl.dll and libglib-2.0-0.dll)
Doesn't seem to be needed now, and we only do GTK2 for windows. To be confirmed.
7. Fix qtshark use its own .rc file (not done in nmake either)
8. Fix build of plugins.
9. Fix build of executables that use WTAP_PLUGIN_SOURCES.
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