Bug#704139: zynaddsubfx -U or --no-gui parameter doesn't seem to work, I get "Can't Open Display:" error

[Jens Peter Nielsen]

Package: zynaddsubfx
Version: 2.4.3-3
Severity: important

Dear Maintainer,

I have just compiled and installed ZynAddSubFx, It returns an error with --no-gui option.

zynaddsubfx --no-gui -Ialsa -Oalsa -L /usr/share/zynaddsubfx/banks/Organ/0001-Organ\ 1.xiz

ZynAddSubFX - Copyright (c) 2002-2011 Nasca Octavian Paul and others
Compiled: Mar 28 2013 00:51:07
This program is free software (GNU GPL v.2 or later) and
it comes with ABSOLUTELY NO WARRANTY.


Sample Rate =           44100
Sound Buffer Size =     256 samples
Internal latency =      5.8 ms
ADsynth Oscil.Size =    1024 samples
Instrument file loaded.
Starting Audio: ALSA
Audio Started
Starting MIDI: ALSA
MIDI Started
Can't open display:


-- System Information:
Debian Release: 7.0
Architecture: armhf (armv6l)

Kernel: Linux 3.6.11+ (PREEMPT)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages zynaddsubfx depends on:
ii  libasound2                1.0.25-4
ii  libc6                     2.13-38+rpi2
ii  libfftw3-3                3.3.2-3.1
ii  libfltk1.1                1.1.10-14
ii  libgcc1                   1:4.7.2-5+rpi1
ii  libgl1-mesa-glx [libgl1]  8.0.5-3
ii  libglu1-mesa [libglu1]    8.0.5-3
ii  libice6                   2:1.0.8-2
ii  libjack0 [libjack-0.116]  1:0.121.3+20120418git75e3e20b-2.1
ii  liblo7                    0.26~repack-7
ii  libmxml1                  2.6-2
ii  libsm6                    2:1.2.1-2
ii  libstdc++6                4.7.2-5+rpi1
ii  libx11-6                  2:1.5.0-1
ii  libxext6                  2:1.3.1-2
ii  zlib1g                    1:1.2.7.dfsg-13

zynaddsubfx recommends no packages.

zynaddsubfx suggests no packages.

-- no debconf information