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+1 to this.

I still don't get how autoconf works with cross compiling... Does it actually?

Ideally it should create small test executables and run them on the target platform... I doubt it's doing that...

On 7/19/2012 8:13 AM, Tony Finch wrote:
William Ahern <> wrote:
On Tue, Jul 17, 2012 at 11:25:27AM -0700, Sam Roberts wrote:

I maintain libnet (but did not write it, or make its autoconf system),
and system networking APIs vary enormously, I would describe it as
non-trivial. auto* is mostly for testing existence of dependencies,
when the mere fact that you are compiling on a platform is not
sufficient to know if an optional dependency exists.

One of the things that annoys me about autoconf-style configuration is the
idea that the same build commands can build a package with different
features because of some environmental change. I prefer builds that are
reproducible, and that fail rather than quietly disabling functionality.

The only real issue was my CPP-based byte ordering detection was wrong
for my DNS packet structure.