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From: Eric Bavier <ericbavier@openmailbox.org>
To: Leo Famulari <leo@famulari.name>
Cc: guix-devel@gnu.org
Subject: Re: [PATCH 2/4] gnu: Add steghide.
Date: Tue, 23 Aug 2016 17:19:49 -0500	[thread overview]
Message-ID: <20160823171949.645525f2@openmailbox.org> (raw)
In-Reply-To: <20160823201611.GB22647@jasmine>

On Tue, 23 Aug 2016 16:16:11 -0400
Leo Famulari <leo@famulari.name> wrote:

> On Tue, Aug 23, 2016 at 01:15:10AM -0500, Eric Bavier wrote:
> > * gnu/packages/image.scm (steghide): New variable.
> > * gnu/packages/patches/steghide-fixes.patch: New patch.
> > * gnu/local.mk (dist_patch_DATA): Add it.  
> 
> > +    (arguments
> > +     `(#:make-flags '("CXXFLAGS=-fpermissive"))) ;required for MHashPP.cc  
> 
> My understanding is that '-fpermissive' downgrades some compiler errors
> to warnings. Is that correct?

Correct.  Specifically, this is to avoid:

MHashPP.cc:123:38: error: invalid conversion from ‘uint8_t* {aka unsigned char*}’ to ‘char*’ [-fpermissive]

which I'm not comfortable developing a better fix for.

> 
> > diff --git a/gnu/packages/patches/steghide-fixes.patch b/gnu/packages/patches/steghide-fixes.patch  
> 
> I don't understand what this patch does (I don't know any C++). Can you
> add some comments explaining it? Should we try to get the upstream
> maintainers to apply it?  

This patch fixes an "undefined ULONG_MAX" error and "specializing
member ‘...’ requires ‘template<>’ syntax" errors.

Upstream appears to currently be in limbo, but I just sent the patch to
the mailing list.

`~Eric

  reply	other threads:[~2016-08-23 22:20 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-23  6:15 [PATCH 1/4] gnu: Add mlocate Eric Bavier
2016-08-23  6:15 ` [PATCH 2/4] gnu: Add steghide Eric Bavier
2016-08-23 20:16   ` Leo Famulari
2016-08-23 22:19     ` Eric Bavier [this message]
2016-08-23 23:53       ` Leo Famulari
2016-08-23  6:15 ` [PATCH 3/4] gnu: Add Swish-e Eric Bavier
2016-08-23  6:27   ` Leo Famulari
2016-08-23  6:49     ` Eric Bavier
2016-08-23 20:46       ` Leo Famulari
2016-08-23 22:34         ` Eric Bavier
2016-08-23  6:15 ` [PATCH 4/4] gnu: Add Tomb Eric Bavier
2016-08-23 20:50   ` Leo Famulari
2016-08-23 22:41     ` Eric Bavier
2016-08-23 23:50       ` Leo Famulari
2016-08-23 20:12 ` [PATCH 1/4] gnu: Add mlocate Leo Famulari

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