[cfe-dev] MinGW header search paths (InitHeaderSearch.cpp)

[Tom Prince]

On 2011-04-22, Ruben Van Boxem wrote:
> 2011/4/22 Douglas Gregor <dgregor at apple.com>
> 
> >
> > On Apr 22, 2011, at 12:25 PM, Reid Kleckner wrote:
> >
> > > I didn't interpret his suggestion that way, I thought it was more
> > > along the lines of doing what the 'which gcc' command does.
> >
> > Ah, my mistake. We could try that for mingw at least. In general, it
> > doesn't work as well as actually invoking GCC, since every build of GCC
> > seems to like to put its standard library in a different place.
> >
> >
> That was indeed my plan. We can perhaps read the
> <gcclocation>/../include/c++/ subfolders with random/all versions/targets
> and add them to the search directories. Once libcxx works with mingw and on
> windows in general, we can get rid of this foolishness and just add the
> <clang(++)location>/../include(/c++) and be done with it (for Windows at
> least).


On gentoo x86_64, the libstc++ headers are in
<gcclocation>/../lib64/<triple>/<gcc-version>/include/g++-v4 
and 
<gcclocation>/../lib64/<triple>/<gcc-version>/include/g++-v4/<triple>
so things aren't so simple.

  Tom