_GLIBCXX14_CONSTEXPR

[Jonathan Wakely]

On 5 January 2015 at 00:11, Tim Prince wrote:
>>> Which files were you seeing duplicated in "the directory used a month
>>> ago" and what directory was that?
> c++config.h and a few others used to be updated in
> $(PREFIX)/include/bits/ as well as where they are put now in

That should never have happened.

In the source tree the file is include/bits/c++config (with no .h) but
it is installed to ${host_builddir}/c++config.h which should always
have included the host triplet. It's been like that "forever" (many
years at least).