[dpdk-dev] [PATCH] crypto/aesni_mb: fix compile

[Thomas Monjalon]

16/01/2019 14:21, Fan Zhang:
> This patch fixes the inflexible compile issue AESNI-MB PMD.
> Originally the compile of the PMD will fail if IPSec_MB is
> not installed in default location.
> 
> Fixes: c68d7aa354f6 ("crypto/aesni_mb: use architecture independent macros")
> 
> Signed-off-by: Fan Zhang <roy.fan.zhang at intel.com>
> ---
> -IMB_HDR = /usr/include/intel-ipsec-mb.h
> +IMB_HDR = $(shell echo "\#include <intel-ipsec-mb.h>" | \

What is the backslash? Looks like a typo.

> +	$(CC) -E $(EXTRA_CFLAGS) - | grep 'intel-ipsec-mb.h' | \
> +	head -1 | cut -d'"' -f2)

I think the most standard invocation of head is "head -n1".
You can also use "sed 1q".