From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [PATCH v3 11/15] bus/dpaa: fix warning: "__WORDSIZE"
	is not defined, evaluates to 0
Date: Sat, 30 Mar 2019 23:36:31 +0100
Message-ID: <2451005.C0Vx1vMQiX@xps>
References: <20190313170657.16688-1-ncopa@alpinelinux.org>
 <20190313170657.16688-12-ncopa@alpinelinux.org>
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Cc: dev@dpdk.org, hemant.agrawal@nxp.com
To: Natanael Copa <ncopa@alpinelinux.org>
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13/03/2019 18:06, Natanael Copa:
> There is no standard saying that __WORDSIZE should be be defined or in
> what include it should be defined. Use a portable way to detect 64 bit
> environment.
> 
> This fixes a warning when building with musl libc:
> 
>  warning: "__WORDSIZE" is not defined, evaluates to 0 [-Wundef]
> 
> Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
> ---
[...]
> -#if (__WORDSIZE == 64)
> +#if (ULONG_MAX == 0xffffffffffffffff)

There is a more explicit config in DPDK: RTE_ARCH_64