forked from Imagelibrary/rtems
* libcsupport/src/sleep_noposix.c: Remove. * libcsupport/Makefile.am: Reflect changes above. * posix/src/sleep.c, posix/src/usleep.c: Remove. * posix/Makefile.am: Reflect changes above. * configure.ac: Error out if libc doesn't provide sleep, usleep.