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cc  -Llib -o ifconfig ifconfig.o -lnet-tools
/lib/libc.so.6: undefined reference to `_dl_lookup_versioned_symbol_skip@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_lookup_versioned_symbol@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_start_profile@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_check_map_versions@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_get_origin@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_dst_substitute@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_init@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_dst_count@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_out_of_memory@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_signal_error@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_debug_printf@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_map_object_deps@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_unload_cache@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_relocate_object@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_tls_symaddr@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `__libc_stack_end@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_catch_error@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_lookup_symbol_skip@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_lookup_symbol@GLIBC_PRIVATE'
/lib/libc.so.6: undefined reference to `_dl_map_object@GLIBC_PRIVATE'
collect2: ld returned 1 exit status
make: *** [ifconfig] Error 1
squishy-builder:~/builder/net-tools/net-tools-1.60#