Re: [PATCH 3/4] uapi glibc compat: Do not check for __USE_MISC

[David Woodhouse]

On Sun, 2017-03-12 at 23:00 +0100, Hauke Mehrtens wrote:
> __USE_MISC is glibc specific and not available in musl libc. Only do
> this check when glibc is used. This fixes a problem with musl libc.
> ...
> -/* Coordinate with glibc net/if.h header. */
> -#if defined(_NET_IF_H) && defined(__USE_MISC)
> +/* Coordinate with libc net/if.h header. */
> +#if defined(_NET_IF_H) && (!defined(__GLIBC__) || defined(__USE_MISC))

I *really* don't like building up a plethora of knowledge about
specific libc implementations in the kernel. As a general rule, if we
have *anything* that depends on __GLIBC__ then we are Doing It Wrongâ.

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