Alexandre Oliva
f01cf5eaa0
The last_write_time functions are defined in ways that are useful, or that fail immediately, depending on various macros. When they fail immediately, the filesystem last_write_time.cc tests fail noisily, but the fail is entirely expected. Define NO_LAST_WRITE_TIME in the last_write_time.cc tests, according to the macros that select implementations of last_write_time, and use it through the new dg-require-target-fs-lwt to skip tests that are expected to fail. for libstdc++-v3/ChangeLog * testsuite/util/testsuite_fs.h (NO_LAST_WRITE_TIME): Define when appropriate. * testsuite/lib/libstdc++.exp (check_v3_target_fs_last_write_time): New. * testsuite/lib/dg-options.exp (dg-require-target-fs-lwt): New. * testsuite/27_io/filesystem/operations/last_write_time.cc: Skip the test if the features are unavailable. * testsuite/experimental/filesystem/operations/last_write_time.cc: Likewise.
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