[Buildroot] [Bug 3781] crosstool-ng-1.11.3 fails to build

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=3781

--- Comment #7 from Peter Korsgaard <jacmet at uclibc.org>  ---
(In reply to comment #6)
> Then, I use arm-linux-readelf to check whether 'libuClibc-0.9.31.so' contains
> the symbol 'usleep'. And the answer is negative.
> 
> Why 'usleep.c' was not compiled?
> 
> BTW, erverything is ok when uClibc-0.9.30.3 was used.

You need to ensure that UCLIBC_SUSV3_LEGACY=y is set in your uclibc
configuration, otherwise uClibc isn't built with usleep support.

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