From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCH] gnu: Add Xft support to FLTK.
Date: Wed, 27 Apr 2016 14:52:36 +0200
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To: Kei Yamashita <kei@openmailbox.org>
Cc: guix-devel@gnu.org

Kei Yamashita <kei@openmailbox.org> skribis:

> This patch is in preparation for the Dillo browser package.
>
> From 7755ae6d7afd46daed5fac1e626d1785b9875975 Mon Sep 17 00:00:00 2001
> From: Kei Yamashita <kei@openmailbox.org>
> Date: Sat, 16 Apr 2016 22:45:21 -0400
> Subject: [PATCH] gnu: Add Xft support to FLTK.
>
> * gnu/packages/fltk.scm (fltk)[inputs]: Add libxft.

This appears to break Octave (see
<https://hydra.gnu.org/log/gx7z8zd3x113605gpnjp6adx98qwy9fy-octave-4.0.0>):

--8<---------------cut here---------------start------------->8---
../run-octave  --norc --silent --no-history ./fntests.m .
error: /tmp/guix-build-octave-4.0.0.drv-0/octave-4.0.0/libinterp/dldfcn/PKG=
_ADD: /tmp/guix-build-octave-4.0.0.drv-0/octave-4.0.0/libinterp/dldfcn/__in=
it_fltk__.oct: failed to load: /gnu/store/nfi0na44lk0fy0m6bpsa7q458wpyd5w5-=
fltk-1.3.3/lib/libfltk_gl.so.1.3: undefined symbol: _ZN18Fl_XFont_On_Demand=
5valueEv
--8<---------------cut here---------------end--------------->8---

The undefined symbol (demangled: =E2=80=98Fl_XFont_On_Demand::value=E2=80=
=99) is defined
in Fltk=E2=80=99s =E2=80=98fl_font_xft.cxx=E2=80=99.  However, looking at t=
he build log of Fltk,
this file is apparently not compiled, which sounds like a bug in Fltk=E2=80=
=99s
build system.

Could you look into it?

Thanks in advance.  :-)

Ludo=E2=80=99.