ubuntu-buildroot/output/build/host-binutils-2.38/gold/testsuite/exclude_libs_test.c

extern void lib1_default (void);
extern void lib2_default (void);
extern void lib3_default (void);

int
main (int argc __attribute__ ((unused)),
      char** argv __attribute__ ((unused)))
{
  lib1_default ();
  lib2_default ();
  lib3_default ();
  return 0;
}