[Wine] Wine does not use PATH for DLL search, is this a bug or feature ?

Paul Romanyszyn pgr at arcelectronicsinc.com
Mon Sep 24 22:47:28 CDT 2007

Kuang-Chun Cheng wrote:
> Hi,
> I test both 0.9.44 and 0.9.45 and found that Wine does not use
> PATH environment variables for  DLL search.
> My test application is a Qt 336 application, QSlider.exe.
> QSlider.exe require both qt-mt336.dll and mingwm10.dll.   If I copy
> both dll to ~/.wine/drive_c/windows/system32, I can invoke QSlider.exe
> from anywhere and it works OK.
> If I put both dlls to, eg. /opt/qt-3.3/bin.  And setup PATH with
> /opt/qt-3.3/bin included.   Invoke QSlider.exe will give me error message:
> err:module:import_dll Library qt-mt336.dll (which is needed by
> L"Z:\\home\\kcc\\QSlider.exe") not found
> err:module:LdrInitializeThunk Main exe initialization for
> L"Z:\\home\\kcc\\QSlider.exe" failed, status c0000135
> My guess is wine just simple ignore PATH environment variable when
> searching DLL,
> am I correct ?  Is this a bug or a feature ?
> Under WinXP/2K ... the PATH env. variables do work ... but not Wine.
> Can someone confirm this ?   Thanks a lot.
> Regards
> KC
If you use a bat file to set the path to z:\\opt\\qt-3.3\\bin then run 
your program and it should work.

Or in system.reg search for "PATH" and add the z:\\opt\\qt-3.3\\bin in 
this entry.

Paul R.

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