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Re: AC_HEADER_MAJOR vs. glibc 2.25(-to-be)

From: Eric Blake
Subject: Re: AC_HEADER_MAJOR vs. glibc 2.25(-to-be)
Date: Tue, 13 Sep 2016 17:38:16 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0

On 09/13/2016 05:31 PM, Eric Blake wrote:

[hit send too soon]

> Okay, I have confirmed that this prime-the-cache idea DOES work, using
> libvirt.git commit 419bc8cf (one commit prior to d53fa838 which
> installed a hack into libvirt to force the use of -Werror for the
> duration of AC_HEADER_MAJOR [1]).  By itself, './configure' succeeds but
> leaves MAJOR_IN_SYSMACROS undefined, which results in a build failure
> later in libvirt; but when run as './configure
> ac_cv_header_sys_types_h_makedev=no', MAJOR_IN_SYSMACROS gets defined
> and the build succeeds.

I meant to add this link:


Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library

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