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Message-ID: <CAK1hOcO7jznCbRHmJDtb_wV4Fni6Fx1QRvte2D1vy_3SuT01Zw@mail.gmail.com>
Date: Fri, 23 Oct 2015 08:47:18 +0200
From: Denys Vlasenko <vda.linux@...glemail.com>
To: musl <musl@...ts.openwall.com>
Subject: Re: Having hard time adding to CFLAGS
On Fri, Oct 23, 2015 at 7:16 AM, Rich Felker <dalias@...c.org> wrote:
>> Currently, it is confusing. See for yourself:
>>
>>
>> Usage: $0 [OPTION]... [VAR=VALUE]... [TARGET]
>>
>> To assign environment variables (e.g., CC, CFLAGS...), specify them as
>> VAR=VALUE. See below for descriptions of some of the useful variables.
>> ....
>> ("ok, I got it. CFLAGS should go to configure's command line!")
>> ....
>> Some influential environment variables:
>> CC C compiler command [detected]
>> CFLAGS C compiler flags [-Os -pipe ...]
>> CROSS_COMPILE prefix for cross compiler and tools [none]
>> LIBCC compiler runtime library [detected]
>>
>> Use these variables to override the choices made by configure.
>>
>> ("What? You just said that CFLAGS should be on command line!
>> Now you are saying it should be in the environment!
>> What it is?")
>
> The behavior is the same as autoconf: they're accepted either as
> environment variables or on the configure command line. Some users do:
>
> CFLAGS=... ./configure ...
>
> and others do:
>
> ./configure CFLAGS=... ...
I tested both and they indeed work identically.
> I can add some language to the help text to make it explicit that
> either is accepted.
I'm sending you a patch with amended --help text.
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