In file included from /usr/include/sys/types.h(220),
                 from lib/sys/types.h(27),
                 from /usr/include/stdlib.h(319),
                 from /vsc/apps/brussel/ivybridge/software/GCCcore/4.9.3/bin/../include/c++/4.9.3/cstdlib(72),
                 from /vsc/apps/brussel/ivybridge/software/GCCcore/4.9.3/bin/../include/c++/4.9.3/bits/stl_algo.h(59),
                 from /vsc/apps/brussel/ivybridge/software/GCCcore/4.9.3/bin/../include/c++/4.9.3/algorithm(62),
                 from testprog.cc(1):
lib/sys/select.h(602): error: declaration is incompatible with previous "select" (declared at line 109 of "/usr/include/sys/select.h")
  namespace gnulib { static int (*select) (int, fd_set *__restrict, fd_set *__restrict, fd_set *__restrict, struct timeval *__restrict) = ::select; } extern "C" int _gl_cxxalias_dummy;
                                  ^

compilation aborted for pp.cc (code 2)