[Octave-bug-tracker] [bug #45569] support for Image IO was disabled when Octave was built. but it was not reported in the summary of ./config

[chris]

URL:
  <http://savannah.gnu.org/bugs/?45569>

                 Summary: support for Image IO was disabled when Octave was
built. but it was not reported in the summary of ./config
                 Project: GNU Octave
            Submitted by: ckp
            Submitted on: Fri 17 Jul 2015 12:29:10 PM CST
                Category: Configuration and Build System
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Other
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: GNU/Linux

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Details:

After installing image-2.4.0, I tried:
a = imread(fname) and complains:

error: imformats: support for Image IO was disabled when Octave was built
error: called from
    imformats>default_formats at line 256 column 11
    imformats at line 79 column 3
    imageIO at line 106 column 11
    imread at line 106 column 3

I searched in the web and says that probably the "graphicsMagick-dev" was
missing, and indeed was missing and it suggests to check the "config.log". I
installed the library but still image IO is disabled in octave.

The BUG that I report is the fact that in the final summary of the "./config"
that shows any missing libraries, the library "graphicsMagick" was not shown
as missing. Actually I installed all the libraries that were shown as missing
at the summary after running "config" and only then I proceeded for the build.
Now that I looked in "config.log" somewhere in the middle it mentions:

Package GraphicsMagick++ was not found in the pkg-config search path.
Perhaps you should add the directory containing `GraphicsMagick++.pc'
to the PKG_CONFIG_PATH environment variable
No package 'GraphicsMagick++' found

I think the purpose of the final summary in the console from "./config" is to
report all the missing libraries and it must be sufficient instead for the
user to have to read all small letters in log files.

Now that installed the "graphicsMagick",  do I have to re-install octave from
the start or there is a way to enable "image IO"?
if I have to re-install octave, how can I be sure that something else again
would be missing again that was not reported in the summary of "./config"? 




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