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Tasklist

FS#53014 - [pangox-compat] undefined symbol

Attached to Project: Arch Linux
Opened by Owen Garland (Midasx) - Saturday, 18 February 2017, 20:06 GMT
Last edited by Antonio Rojas (arojas) - Sunday, 19 February 2017, 09:41 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Jan de Groot (JGC)
Architecture All
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:

Using extra/mlt 6.4.1-3 with kdenlive or shotcut, causes an error on start:

mlt_repository_init: failed to dlopen /usr/lib/mlt/libmltopencv.so
(/usr/lib/libpangox-1.0.so.0: undefined symbol: pango_x_get_shaper_map)

I wasn't sure if this was an issue with the mlt package or the kdenlive package, however the error occurs with shotcut as well which is available in AUR, so I assume the issue lies in mlt. I marked as high following the wiki recommendation of "The main functionality of the application does not work". First bug report so apologies if I made a mistake.

Attached log of console output.

Additional info:

extra/mlt 6.4.1-3
extra/kdenlive 16.12.2-1
AUR/shotcut 17.02-1


Steps to reproduce:

Install the above packages at the specified versions.

Launch kdenlive.

Observe error:

~ > kdenlive
Non KDE Desktop detected, forcing Breeze icon theme
MLT profiles path: "/usr/share/mlt/profiles/"
mlt_repository_init: failed to dlopen /usr/lib/mlt/libmltopencv.so
(/usr/lib/libpangox-1.0.so.0: undefined symbol: pango_x_get_shaper_map)

   log (5.8 KiB)
This task depends upon

Closed by  Antonio Rojas (arojas)
Sunday, 19 February 2017, 09:41 GMT
Reason for closing:  Fixed
Additional comments about closing:  pangox-compat 0.0.2+2+gedb9e09-2
Comment by Jan de Groot (JGC) - Saturday, 18 February 2017, 20:47 GMT
Great. This symbol is part of the private pangoX api and has been removed in the last update. Recompiling mlt should fix this.
Comment by Doug Newgard (Scimmia) - Saturday, 18 February 2017, 21:14 GMT
This doesn't make a lot of sense. Do me a favor, install the pax-utils package and run `lddtree /usr/lib/mlt/libmltopencv.so`
Comment by Antonio Rojas (arojas) - Saturday, 18 February 2017, 21:49 GMT
No, recompiling mlt doesn't fix it. The undefined symbol is in libpangox itself

> objdump -T /usr/lib/libpangox-1.0.so.0 | grep pango_x_get
0000000000000000 D *UND* 0000000000000000 pango_x_get_shaper_map
0000000000006770 g DF .text 0000000000000015 Base pango_x_get_context
00000000000078f0 g DF .text 0000000000000006 Base pango_x_get_unknown_glyph
Comment by Owen Garland (Midasx) - Saturday, 18 February 2017, 22:09 GMT
Installed pax-utils, and got this:

~ > lddtree /usr/lib/mlt/libmltopencv.so
/usr/lib/mlt/libmltopencv.so (interpreter => None)
libmlt.so.6 => /usr/lib/libmlt.so.6
libdl.so.2 => /usr/lib/libdl.so.2
ld-linux-x86-64.so.2 => /usr/lib/ld-linux-x86-64.so.2
libpthread.so.0 => /usr/lib/libpthread.so.0
libopencv_tracking.so.3.2 => /usr/lib/libopencv_tracking.so.3.2
libopencv_video.so.3.2 => /usr/lib/libopencv_video.so.3.2
libopencv_dnn.so.3.2 => /usr/lib/libopencv_dnn.so.3.2
libopencv_highgui.so.3.2 => /usr/lib/libopencv_highgui.so.3.2
libGL.so.1 => /usr/lib/libGL.so.1
libGLX.so.0 => /usr/lib/libGLX.so.0
libX11.so.6 => /usr/lib/libX11.so.6
libxcb.so.1 => /usr/lib/libxcb.so.1
libXau.so.6 => /usr/lib/libXau.so.6
libXdmcp.so.6 => /usr/lib/libXdmcp.so.6
libXext.so.6 => /usr/lib/libXext.so.6
libGLdispatch.so.0 => /usr/lib/libGLdispatch.so.0
libgtk-x11-2.0.so.0 => /usr/lib/libgtk-x11-2.0.so.0
libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0
libpangocairo-1.0.so.0 => /usr/lib/libpangocairo-1.0.so.0
libfreetype.so.6 => /usr/lib/libfreetype.so.6
libz.so.1 => /usr/lib/libz.so.1
libbz2.so.1.0 => /usr/lib/libbz2.so.1.0
libpng16.so.16 => /usr/lib/libpng16.so.16
libharfbuzz.so.0 => /usr/lib/libharfbuzz.so.0
libfreetype.so.6 => !!! circular loop !!!
libgraphite2.so.3 => /usr/lib/libgraphite2.so.3
libXfixes.so.3 => /usr/lib/libXfixes.so.3
libatk-1.0.so.0 => /usr/lib/libatk-1.0.so.0
libgio-2.0.so.0 => /usr/lib/libgio-2.0.so.0
libresolv.so.2 => /usr/lib/libresolv.so.2
libmount.so.1 => /usr/lib/libmount.so.1
libblkid.so.1 => /usr/lib/libblkid.so.1
libuuid.so.1 => /usr/lib/libuuid.so.1
librt.so.1 => /usr/lib/librt.so.1
libpangoft2-1.0.so.0 => /usr/lib/libpangoft2-1.0.so.0
libpango-1.0.so.0 => /usr/lib/libpango-1.0.so.0
libthai.so.0 => /usr/lib/libthai.so.0
libdatrie.so.1 => /usr/lib/libdatrie.so.1
libfontconfig.so.1 => /usr/lib/libfontconfig.so.1
libexpat.so.1 => /usr/lib/libexpat.so.1
libgdk-x11-2.0.so.0 => /usr/lib/libgdk-x11-2.0.so.0
libXrender.so.1 => /usr/lib/libXrender.so.1
libXinerama.so.1 => /usr/lib/libXinerama.so.1
libXi.so.6 => /usr/lib/libXi.so.6
libXrandr.so.2 => /usr/lib/libXrandr.so.2
libXcursor.so.1 => /usr/lib/libXcursor.so.1
libXcomposite.so.1 => /usr/lib/libXcomposite.so.1
libXdamage.so.1 => /usr/lib/libXdamage.so.1
libcairo.so.2 => /usr/lib/libcairo.so.2
libpixman-1.so.0 => /usr/lib/libpixman-1.so.0
libEGL.so.1 => /usr/lib/libEGL.so.1
libxcb-shm.so.0 => /usr/lib/libxcb-shm.so.0
libxcb-render.so.0 => /usr/lib/libxcb-render.so.0
libgdk_pixbuf-2.0.so.0 => /usr/lib/libgdk_pixbuf-2.0.so.0
libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0
libffi.so.6 => /usr/lib/libffi.so.6
libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0
libpcre.so.1 => /usr/lib/libpcre.so.1
libgtkglext-x11-1.0.so.0 => /usr/lib/libgtkglext-x11-1.0.so.0
libGLU.so.1 => /usr/lib/libGLU.so.1
libXmu.so.6 => /usr/lib/libXmu.so.6
libXt.so.6 => /usr/lib/libXt.so.6
libSM.so.6 => /usr/lib/libSM.so.6
libICE.so.6 => /usr/lib/libICE.so.6
libpangox-1.0.so.0 => /usr/lib/libpangox-1.0.so.0
libgdkglext-x11-1.0.so.0 => /usr/lib/libgdkglext-x11-1.0.so.0
libopencv_imgcodecs.so.3.2 => /usr/lib/libopencv_imgcodecs.so.3.2
libjpeg.so.8 => /usr/lib/libjpeg.so.8
libwebp.so.6 => /usr/lib/libwebp.so.6
libtiff.so.5 => /usr/lib/libtiff.so.5
liblzma.so.5 => /usr/lib/liblzma.so.5
libjasper.so.4 => /usr/lib/libjasper.so.4
libIlmImf-2_2.so.22 => /usr/lib/libIlmImf-2_2.so.22
libImath-2_2.so.12 => /usr/lib/libImath-2_2.so.12
libIex-2_2.so.12 => /usr/lib/libIex-2_2.so.12
libIlmThread-2_2.so.12 => /usr/lib/libIlmThread-2_2.so.12
libHalf.so.12 => /usr/lib/libHalf.so.12
libm.so.6 => /usr/lib/libm.so.6
libopencv_imgproc.so.3.2 => /usr/lib/libopencv_imgproc.so.3.2
libtbb.so.2 => /usr/lib/libtbb.so.2
libopencv_core.so.3.2 => /usr/lib/libopencv_core.so.3.2
libstdc++.so.6 => /usr/lib/libstdc++.so.6
libgcc_s.so.1 => /usr/lib/libgcc_s.so.1
libc.so.6 => /usr/lib/libc.so.6
Comment by Doug Newgard (Scimmia) - Saturday, 18 February 2017, 22:25 GMT
Got to love flyspray's stripping of whitespace. :(

Anyway, it tells me that libgtkglext-x11-1.0.so.0 would be the more likely culprit (libmltopencv.so -> libopencv_tracking.so.3.2 -> libopencv_highgui.so.3.2 -> libgtkglext-x11-1.0.so.0 -> libpangox-1.0.so.0) and that's what would need to be rebuilt under normal circumstances. This isn't normal, though, as arojas already pointed out the problem with libpangox directly.

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