[cfe-dev] Any differences between Windows and Linux header search?

[papin_g]

I finally managed to setup the migrator on my Windows. I tried -isystem but it doesn't work either.

I will try to find a working solution now that the migrator runs on Windows.
________________________________
From: Reid Kleckner [rnk at google.com]
Sent: 26 August 2013 18:29
To: papin_g
Cc: cfe-dev at cs.uiuc.edu
Subject: Re: [cfe-dev] Any differences between Windows and Linux header search?

On Mon, Aug 26, 2013 at 4:30 AM, papin_g <guillaume.papin at epitech.eu<mailto:guillaume.papin at epitech.eu>> wrote:
Hi,

I was wondering if there is any known differences on the way the header path search is performed between Windows and Unix like systems? Especially regarding angled #include <> resolution.
Or maybe the difference can be with virtual file mapping between the two platforms.

I'm working on the C++11 migrator where I made a class to modify #include directives but I have a hard time getting the unit tests to work on the Windows build bots.

The IncludeDirectivesTest.cpp file available here: http://llvm-reviews.chandlerc.com/D1438#ca09f9a2
The buildbots errors are about the includes not being found, see :
- http://bb.pgr.jp/builders/ninja-clang-i686-msc17-R/builds/4176
- http://bb.pgr.jp/builders/cmake-clang-i686-mingw32/builds/3837


The test setups some virtual files (headers) using FileManager::getVirtualFile() and SourceManager::overrideFileContents().
The virtual files are mapped in "$(pwd)/virtual/HEADER" and $(pwd) is added to the header search path with the option "-I".

This is a completely random guess, but try -isystem $(pwd) if you're using angle bracket includes.  I don't know why the behavior of -I would differ from *nix to Windows.

It looks like to me the test has no dependencies on the file system specifics but it breaks only on the  Windows build bots.


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