Louis Dionne e0d01294bc [libc++] Allow building libc++ on platforms without a random device ...

Some platforms, like several embedded platforms, do not provide a source
of randomness through a random device. This commit makes it possible to
build and test libc++ for such platforms, i.e. without std::random_device.

Surprisingly, the only functionality that doesn't work on such platforms
is std::random_device itself -- everything else in <random> still works,
one just has to find alternative ways to seed the PRNGs.

2020-10-15 12:20:29 -04:00

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