[KDE/Mac] Review Request 128272: support -iframework and -F header search path options

[René J.V. Bertin]

> On June 27, 2016, 10:59 a.m., Milian Wolff wrote:
> > projectmanagers/qmake/qmakemanager.cpp, line 433
> > <https://git.reviewboard.kde.org/r/128272/diff/10/?file=469929#file469929line433>
> >
> >     ? What do you want to investigate - do you want to return a non-empty set?
> >     
> >     If so, make it `// TODO: implement`. Note though that you'd need to parse the linker flags apparently:
> >     
> >     http://doc.qt.io/qt-5/qmake-platform-notes.html#using-frameworks
> 
> René J.V. Bertin wrote:
>     What I probably need to investigate is how qmake handles non-default framework directories, or even the one where the Qt headers are installed. It seems it doesn't really treat the latter as one (= it adds the explicit corresponding -I or -isystem arguments), but it's something to look at.
>     Is it clear to you frome that note that qmake uses `QMAKE_LFLAGS` as the vector to specify non-standard framework directories to the preprocessor? IOW, if you write a .pro or .pri file that doesn't link anything you still need to put the -F or -iframework arguments into QMAKE_LFLAGS?
> 
> René J.V. Bertin wrote:
>     I'm going to need some guidance with this. I cannot even seem to get qDebug output from `QMakeProjectManager::includeDirectories()` or `QMakeProjectManager::hasBuildInfo()`, and what's more, qmake slips in the `-F` option to point to Qt's own framework directory at some point *after* the project .pro file has been parsed. IOW, the option shows up in the toplevel Makefile but apparently nowhere else.

Doh, the parser is of course called only when I open a parsable file (and "parse everything in the background" is off).


- René J.V.


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On June 28, 2016, 10:44 p.m., René J.V. Bertin wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/128272/
> -----------------------------------------------------------
> 
> (Updated June 28, 2016, 10:44 p.m.)
> 
> 
> Review request for KDE Software on Mac OS X and KDevelop.
> 
> 
> Repository: kdevelop
> 
> 
> Description
> -------
> 
> This is a draft implementation for parser support of the `-iframework dir` and `-F dir` compiler arguments. On OS X these are the framework equivalents of `-isystem` and `-I` respectively, telling the compiler and/or linker where to find framework bundles.
> 
> I started out making the new code available on OS X only but that introduces a lot of #ifdefs for probably little benefit. On the contrary, clang supports the arguments on Linux too, presumably because clang is a functional cross-compiler that can generate Darwin Mach-O object files on Linux too.
> 
> For the 1st approach I propose to parse the framework directories, adding the effective header directories of the individual frameworks as if they were added explicitly. The framework directories are also added to a new list in the result structure. I presume that this is a prerequisite for adding them to the (lib)clang arguments of the clang parser.
> 
> 
> Diffs
> -----
> 
>   languages/clang/clangparsejob.cpp 8375eb5 
>   languages/clang/duchain/clangparsingenvironment.h c689132 
>   languages/clang/duchain/clangparsingenvironment.cpp b515037 
>   languages/clang/duchain/parsesession.cpp aae0661 
>   languages/plugins/custom-definesandincludes/compilerprovider/compilerprovider.h 7a5184f 
>   languages/plugins/custom-definesandincludes/compilerprovider/compilerprovider.cpp 24e532a 
>   languages/plugins/custom-definesandincludes/definesandincludesmanager.h 6d0d210 
>   languages/plugins/custom-definesandincludes/definesandincludesmanager.cpp ebceb4d 
>   languages/qmljs/duchain/declarationbuilder.h 5da71f2 
>   projectmanagers/cmake/cmakeimportjsonjob.cpp f064647 
>   projectmanagers/cmake/cmakemanager.h 3096b7d 
>   projectmanagers/cmake/cmakemanager.cpp 5c15e2f 
>   projectmanagers/cmake/cmakeprojectdata.h 60e8773 
>   projectmanagers/custom-buildsystem/custombuildsystemplugin.h 372b283 
>   projectmanagers/custom-buildsystem/custombuildsystemplugin.cpp b04647e 
>   projectmanagers/custommake/custommakemanager.h 33c2997 
>   projectmanagers/custommake/custommakemanager.cpp e2ce943 
>   projectmanagers/custommake/makefileresolver/makefileresolver.h debe977 
>   projectmanagers/custommake/makefileresolver/makefileresolver.cpp 97973d4 
>   projectmanagers/custommake/makefileresolver/tests/test_custommake.h 3ad0f36 
>   projectmanagers/custommake/makefileresolver/tests/test_custommake.cpp 368e83e 
>   projectmanagers/qmake/qmakemanager.h e5e3266 
>   projectmanagers/qmake/qmakemanager.cpp 123b474 
> 
> Diff: https://git.reviewboard.kde.org/r/128272/diff/
> 
> 
> Testing
> -------
> 
> the unittest works as expected on OS X.
> 
> 20160625: the patch works as expected on OS X. The `-iframework /opt/local/libexec/qt5/Library/Frameworks` argument added by cmake to each compiler invocation is detected and put to use; Qt header files are found in the frameworks without a wrapper Qt5 header directory (`/opt/local/include/qt5`) added to the header search path. Header files from the system SDKs are found too
> 
> 
> File Attachments
> ----------------
> 
> the real companion patch for kdevplatform
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/06/22/67189f62-ec2c-4797-a315-cafc44fbbb6d__patch-support-kdevp-frameworks.diff
> 
> 
> Thanks,
> 
> René J.V. Bertin
> 
>

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