Hi I am trying to build osmocombb on Ubuntu 18.04 with GCC-4.9 & arm-elf-gcc-4.5.2, I am getting the following error, how do I fix this issued.

Making all in mobile
make[3]: Entering directory '/root/trx/src/host/layer23/src/mobile'
  CCLD     mobile
libmobile.a(gsm322.o): In function `memset':
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:67: undefined reference to `__warn_memset_zero_len'
collect2: error: ld returned 1 exit status
Makefile:379: recipe for target 'mobile' failed
make[3]: *** [mobile] Error 1
make[3]: Leaving directory '/root/trx/src/host/layer23/src/mobile'
Makefile:325: recipe for target 'all-recursive' failed
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory '/root/trx/src/host/layer23/src'
Makefile:350: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/root/trx/src/host/layer23'
Makefile:51: recipe for target 'layer23' failed
make: *** [layer23] Error 2

Regards

Babar Ali