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From: Luca Barbato <lu_zero@gentoo.org>
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Subject: Re: [PATCH] make CFLAGS=foo considered harmful
Date: Fri, 23 Oct 2015 13:15:12 +0200
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On 23/10/15 08:47, Denys Vlasenko wrote:
> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
> CC: musl <musl@lists.openwall.com>
> ---
>  configure | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/configure b/configure
> index 03c0ebe..4564ad8 100755
> --- a/configure
> +++ b/configure
> @@ -40,6 +40,16 @@ Some influential environment variables:
>  
>  Use these variables to override the choices made by configure.
>  
> +Note that overriding variables on make command line (IOW, running
> +make CFLAGS="...") is not tested to work properly, and may result
> +in a severely suboptimal build. Place your overrides into environment:
> +
> +  export CFLAGS="..."; make
> +
> +or
> +
> +  CFLAGS="..." make
> +
>  EOF
>  exit 0
>  }
> 

What about adding ECFLAGS ?

lu