On 4 January 2015 at 20:34, Jonathan Wakely wrote: > On 4 January 2015 at 19:41, Tim Prince wrote: >> Yes, sorting out -E shows that some of these .h files are updating only >> in a newer directory which comes later on the search path than the >> directory which was used a month ago. So the advice about clean >> environment includes cleaning out the old installation directories. > > That doesn't sound right to me. > > None of the relevant libstdc++ files should have moved location, at > least not since the include path changed from include/c++/4.9.0 (make that 4.10.0 ... but that was still several months ago, and the old 4.10.0 path should not be searched) > to include/c++/5.0.0, and no other directory containing a c++config.h > should be in the search path. > > Which files were you seeing duplicated in "the directory used a month > ago" and what directory was that?
