[Buildroot] __USE_GNU ?

[Mike Frysinger]

On Thursday, March 03, 2011 04:19:44 Guillaume Dargaud wrote:
> A quick googling tell me it's an internal macro to uclibc, so why is it not
> on ? How do I get those two macros ?

you need to define _GNU_SOURCE before including any C library header files.  
this is by design, and is not specific to uClibc.  please read the  
feature_test_macros(7) man page.

also, this has nothing to do with buildroot.
-mike
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