[Libguestfs] [PATCH 3/3] nbdkit: add a --without-linuxdisk configure argument

[Richard W.M. Jones]

On Fri, Jun 19, 2020 at 10:44:36AM -0600, alan somers wrote:
> Thanks.  I didn't realize that #include <config.h> must always come first.
> I'm used to the FreeBSD convention, where sys/* comes first.
> -Alan

I believe the actual reason for this (beyond our preferences!) is that
config.h, generated by autoconf, can define symbols which affect what
is enabled by system headers.  The canonical example is _GNU_SOURCE,
defined by config.h on Linux, which enables glibc extensions in
subsequent header files.

Rich.

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