[Buildroot] Error while building libevas, SFD_NONBLOCK undeclared

[Baruch Siach <baruch@tkos.co.il>]

Hi Daniel,

On Mon, Jul 08, 2013 at 06:01:26PM +0000, Daniel. wrote:
> I'm receiving this error while trying to build with buildroot.
> 
> make[5]: Entering directory
> `/home/hilst/buildroot/buildroot-2013.05/output/build/libevas-1.7.4/src/bin'
> CC evas_cserve2_main_loop_linux.o
> evas_cserve2_main_loop_linux.c: In function '_signalfd_setup':
> evas_cserve2_main_loop_linux.c:156: error: 'SFD_NONBLOCK' undeclared (first
> use in this function)
> evas_cserve2_main_loop_linux.c:156: error: (Each undeclared identifier is
> reported only once
> evas_cserve2_main_loop_linux.c:156: error: for each function it appears in.)
> evas_cserve2_main_loop_linux.c:156: error: 'SFD_CLOEXEC' undeclared (first
> use in this fu
> 
> My .config can be found here: https://gist.github.com/gkos/5950964
> 
> Any help is appreciated,
> 
> I'm on archilinux using Sourcery CodeBench toolchain..

The signalfd(2) man page says that these flags (SFD_NONBLOCK and SFD_CLOEXEC) 
are only defined since kernel version 2.6.27. It seems that your toolchain 
uses an older kernel. Which version of the Sourcery CodeBench do you use?

baruch

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