4321f1c604
GCC_VERSION is empty in case of clang: /bin/sh: line 0: test: -ge: unary operator expected It is the same issue as http://dpdk.org/dev/patchwork/patch/5994/ Fixes: 366113dbfb69 ("e1000: suppress misleading indentation warning") Signed-off-by: Hiroyuki Mikita <h.mikita89@gmail.com> Acked-by: Bruce Richardson <bruce.richardson@intel.com>