Review Request: cannot compile qt if kderoot path is too long

[Wolfgang Rohdewald]

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Review request for kde-windows.


Summary
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On windows, gcc/g++ only take a maximum of 8192 chars for command line arguments. If they get more they will not complain but strange things will happen like compiler segfaulting or gcc misinterpreting the arguments at around position 8192. I did not report this as a gcc bug, maybe somebody else already is registered wherever that can be done. I was using mingw4.

So emerge.py now first checks - it allows a maximum of 10 chars like in c:\kderoot. This results in command line lengths up to around 7700 (maybe more, this is what I saw).

I was using kderootsvn which makes gcc die when compiling c:\kderootsvn\download\svn-src\qt\src\3rdparty\sqlite\sqlite3.c, the command line having a length of 8214

When this review is closed, I will update the emerge wiki


Diffs
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  /trunk/kdesupport/emerge/bin/emerge.py 1220611 

Diff: http://svn.reviewboard.kde.org/r/6483/diff


Testing
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Thanks,

Wolfgang

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