Fwd: failure notice

[Shawn Pringle <shawn dot pringle at gmail dot com>]

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From:  <MAILER-DAEMON@sourceware.org>
Date: 3 April 2017 at 11:52
Subject: failure notice
To: shawn.pringle@gmail.com


Hi. This is the qmail-send program at sourceware.org.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

<gnu@gcc.gnu.org>:
Sorry, no mailbox here by that name. (#5.1.1)

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From: Shawn Pringle <shawn.pringle@gmail.com>
Date: Mon, 3 Apr 2017 11:52:00 -0300
Message-ID: <CAHDguApMzdYbdjo8ZfSMDmGBXcp8jG3KsENOCnj9AE8_vi5wiQ@mail.gmail.com>
Subject: Better dependency checking
To: gnu@gcc.gnu.org
Content-Type: text/plain; charset=UTF-8

 Hello List

Parameters:
gcc-4.9.4/x86_64-unknown-linux-gnu

Configure run with:
sh ./configure --disable-multilib

Please add zlib, zip and jar to the list of dependencies configure checks
for in the process of building the compiler.

After running configure, I was told I was missing things.  So, I looked at
the documentation of what was needed to be installed and I installed those.
That's good.  I think that is the way it is supposed to work but after
several hours of compiling I find it stops complaining that 'zip' is
missing.  So, it would be good if configure checked for that.

On the second try of running configure, I was informed that I do not have
32-bit libraries, and I would need a flag.  So, I added that.  So far, the
error messages where helpful enough so as not to stop me.  The help even
told me which flag I could use.  Good stuff.

On the third run of configure, the script reports no problems but after
starting make, somewhere in the build process make calls configure for
zlib.

 I think that this inner configure asks for things that is not asked for in
the main configure script.  Please consider changing things in such a way
that before make is run, it guaranteed that all of the system dependencies
are met.  One way to do this is by adding the dependencies of this inner
configure script to the top level configure script.  Another way is to have
the main configure script call all of the other configure scripts required
in the sub directories.

Thanks a lot,

Shawn Pringle