[GHC] #9010: TemplateHaskell leads to an "unknown symbol" error

[GHC]

#9010: TemplateHaskell leads to an "unknown symbol" error
-------------------------------------+-------------------------------------
        Reporter:  Feuerbach         |                Owner:
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:
       Component:  Compiler          |              Version:  7.10.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by rwbarton):

 I should probably add that I am building against the Debian package
 `libopencv-dev=2.4.9.1+dfsg-1.2` and the `hs-opencv-binding` is
 dynamically linked against a bunch of OpenCV libraries
 {{{
 rwbarton at morphism:/tmp/th-unknown-symbol-test/hs-opencv-binding/dist/dist-
 sandbox-3f06d746/build$ ldd libHShs-opencv-binding-0.0.0
 -3XpfF7vOgxLEUT7DVeoPSc-ghc7.10.1.so | grep libopencv
         libopencv_calib3d.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_calib3d.so.2.4 (0x00007f6bd2ec1000)
         libopencv_contrib.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_contrib.so.2.4 (0x00007f6bd2bda000)
         libopencv_core.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_core.so.2.4 (0x00007f6bd27a8000)
         libopencv_features2d.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_features2d.so.2.4 (0x00007f6bd2508000)
         libopencv_flann.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_flann.so.2.4 (0x00007f6bd229c000)
         libopencv_gpu.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_gpu.so.2.4 (0x00007f6bd203d000)
         libopencv_highgui.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_highgui.so.2.4 (0x00007f6bd1df0000)
         libopencv_imgproc.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_imgproc.so.2.4 (0x00007f6bd195d000)
         libopencv_legacy.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_legacy.so.2.4 (0x00007f6bd1648000)
         libopencv_ml.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_ml.so.2.4 (0x00007f6bd13cb000)
         libopencv_objdetect.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_objdetect.so.2.4 (0x00007f6bd1151000)
         libopencv_ocl.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_ocl.so.2.4 (0x00007f6bd0d82000)
         libopencv_photo.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_photo.so.2.4 (0x00007f6bd0b64000)
         libopencv_stitching.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_stitching.so.2.4 (0x00007f6bd08dc000)
         libopencv_superres.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_superres.so.2.4 (0x00007f6bd06a1000)
         libopencv_ts.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_ts.so.2.4 (0x00007f6bd03f1000)
         libopencv_video.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_video.so.2.4 (0x00007f6bd019a000)
         libopencv_videostab.so.2.4 => /usr/lib/x86_64-linux-
 gnu/libopencv_videostab.so.2.4 (0x00007f6bcff5b000)
 }}}

 It looks like you are using static linking, for some reason?

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9010#comment:9>
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