From mboxrd@z Thu Jan  1 00:00:00 1970
From: Razvan Cojocaru <rcojocaru@bitdefender.com>
Subject: Re: EXTRA_CFLAGS when compiling Xen
Date: Wed, 17 Feb 2016 12:23:33 +0200
Message-ID: <56C44A25.5010506@bitdefender.com>
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Cc: Tamas K Lengyel <tamas@tklengyel.com>, Keir Fraser <keir@xen.org>, Ian Campbell <ian.campbell@citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Stefano Stabellini <stefano.stabellini@citrix.com>, Jan Beulich <jbeulich@suse.com>
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> Could anyone tell me if and how I could pass some GCC extra compilation
> flags when building Xen (i.e. make dist-xen)?
> I tried:
> * when running make: passing EXTRA_CFLAGS
> * when running make: passing CFLAGS (this "works" but overrides the rest
> of the CFLAGS)
> * when running ./configure: passing --extra-cflags.
> None works.
> 
> Is there an established modality for this or must I manually modify the
> makefiles?
> The reason I need this is to pass '-save-temps' to GCC, I want to
> inspect some code
> and it would be easier to do that on the preprocessed files.

Does editing Config.mk not work?