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Re: [bug #58775] Denemo 2.2 will not open macOS 10.14.6

From: Jeremiah Benham
Subject: Re: [bug #58775] Denemo 2.2 will not open macOS 10.14.6
Date: Sat, 18 Jul 2020 13:08:40 -0500

I see I read the error wrong. What versions of libpng do you have on your system? I was using mac os 10.10. I may need to recompile these libs provided with the denemo binary so that it compiles against a more recent version of libpng. You may be able to place one of your systems libpng in the app bundle directory and get it to work. I will look again at my system to see what is going on.


On Sat, Jul 18, 2020, 12:30 PM David Crandall <> wrote:
What macOS are you on?

I noticed that there is a libpng16.16.dylib inside Denemo (‎⁨10.14⁩ ▸ ⁨Applications⁩ ▸ ⁨⁩ ▸ ⁨Contents⁩ ▸ ⁨Resources⁩ ▸ ⁨lib⁩), but two older copies at these locations:

‎⁨10.14⁩ ▸ ⁨opt⁩ ▸ ⁨local⁩ ▸ ⁨lib⁩ dated 1/12/17 --- this is the file referenced in the error report.
‎⁨10.14⁩ ▸ ⁨opt⁩ ▸ ⁨X11⁩ ▸ ⁨lib⁩ dated 10/29/16

Do you think I should use the newest copy from the Denemo folder to replace the older files in these other locations? Note that the copy of libpng16.16.dylib INSIDE Denemo does not appear to be the one called by librsvg-2.2.dylib.

thanks, dc

On Sat, Jul 18, 2020, at 12:42 PM, Jeremiah Benham wrote:
I was able to boot it up. I noticed that the lib is in:

Maybe this directory is not in the library path set by

On Thu, Jul 16, 2020, 4:59 PM David Crandall <> wrote:

                 Summary: Denemo 2.2 will not open macOS 10.14.6
                 Project: Denemo
            Submitted by: dcrand
            Submitted on: Thu 16 Jul 2020 09:59:09 PM UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any



after installing and jumping through the usual Apple hoops, app fails with an
apparent .dylib mismatch error: 

Dyld Error Message:
  Library not loaded: /opt/local/lib/libpng16.16.dylib
  Referenced from:
  Reason: Incompatible library version: librsvg-2.2.dylib requires version
46.0.0 or later, but libpng16.16.dylib provides version 45.0.0

Is there a correct dylib somewhere that I can drop into the resources
directory of the app?


File Attachments:

Date: Thu 16 Jul 2020 09:59:09 PM UTC  Name: denemo@problem@log@020716.txt
Size: 15KiB   By: dcrand


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