On 01/03/2010 19:36, Paul Bibbings wrote: > -rwxr-xr-x 1 ... 392653 2010-01-31 00:57 cyggcc_s-sjlj-1.dll
That's not one of ours at all. You can leave it, delete it, or move it aside; it won't be referenced by any of the cygwin system stuff. > -rwxr-xr-x 1 ... 54744 2010-01-31 00:57 cygssp-0.dll > -rwxr-xr-x 1 ... 5425909 2010-01-31 00:57 cygstdc++-6.dll > > Can anyone suggest what minimal packages I might reinstall in order to > repair/restore these .dlls, the last of which is certainly required to > be correct for Qt4? Yes, cygcheck should be able to tell you: > $ cygcheck -f /usr/bin/cygssp-0.dll > libssp0-4.3.4-3 > > $ cygcheck -f /usr/bin/cygstdc++-6.dll > libstdc++6-4.3.4-3 If I were you I'd forcibly reinstall all the "gcc4" packages you have installed as well as those two and also libgcc1, libffi4, and any of the runtimes for any of the other languages you have installed: libgcj9, libgfortran3, libgnat4.3, libgomp1, libobjc2. Hopefully the reinstall will delete any remaining stray .exes and then recreate the alternatives links in their place. cheers, DaveK -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple