[Olsr-dev] Olsrd v0.9.5 and Openwrt CC v15.05 complie problem

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I have update sources olsrd to version 0.9.5 on my OpenWRT CC v15.05
and when I have try compile new firmware with olsrd 0.9.5 I have
following error:

make[4]: Entering directory
`/home/users/OpenWRT/15.05/build_dir/target-mips_34kc_uClibc-0.9.33.2/olsrd-0.9.5'
[CC] src/main.c
src/main.c:54:26: fatal error: execinfo.h: No such file or directory
     #include <execinfo.h>
                          ^
compilation terminated.

I have the similar problem with OpenWRT AA v12.09

Best regards

Waldek