On 2020-12-21, at 8:38 PM, Ken Cunningham <ken.cunningham.web...@gmail.com> wrote:
> A thought — perhaps you might just take the easy road, and install the > libraries it is looking for, in /opt/X11 > > what is that, XQuartz? Except that the current version of XQuartz is, as I understand it, what Macports provides. i.e. -- my choice is either an 8 year old apple build, or a current Macport build. (If I'm wrong here, please tell me.) > > K > >> On Dec 21, 2020, at 7:01 PM, Michael <keybou...@gmail.com> wrote: >> >> OK. Next question: Is there any reason I cannot install libpng version 15 at >> the sametime? >> >> I am aware that there is a non-versioned link file, that the latest version >> of the dynamic library installs. That can stay at 16 where it belongs. I >> mean specifically having both the libpng15 and the libpng16 files. >> >> I am very surprised at linking to a specific version of a dynamic library. >> This is actually commercial software, and it did not link to generic >> "libpng", nor to generic "libpng15" -- linking to a specific version of a >> dynamic library? Isn't the whole point of dynamic libraries that you don't >> get a single specific buggy version, but the latest non-buggy version? >> >> On 2020-12-21, at 6:55 PM, Ken Cunningham <ken.cunningham.web...@gmail.com> >> wrote: >> >>>> On 2020-12-21, at 10:55 AM, Michael <keybounce at gmail.com> wrote: > This >>>> should be a simple one. I hope. >>>>> >>>>> I just installed a program that was compiled against the release version >>>>> of mac's X11. Crashes on startup with this: >>>>> >>>>> dyld: launch, loading dependent libraries >>>>> >>>>> Dyld Error Message: >>>>> Library not loaded: /opt/X11/lib/libpng15.15.dylib >>>>> >>>>> What symbolic links do I need? /opt has no X11 directory. >>>> Ok, another question. I found this: /opt/local/lib/libpng16.16.dylib I >>>> cannot find the older version. What do I need to do to install both the >>>> current and the older version of this library at the same time? >>> >>> There are likely to be more libraries missing after you fix this one, but >>> you can try. >>> >>> EIther symlink a real library that is the same or as similar as you have >>> into the position being looked for: >>> >>> sudo ln -s /opt/local/lib/libpng16.16.dylib /opt/X11/lib/libpng15.15.dylib >>> >>> or >>> >>> use install_name_tool to change /opt/local/lib/libpng16.16.dylib to >>> /opt/X11/lib/libpng15.15.dylib in your binary. >>> >>> install_name_tool -change /opt/local/lib/libpng16.16.dylib >>> /opt/X11/lib/libpng15.15.dylib /path/to/my/binary >>> >>> >>> You can see that there are many many ways this could break / not work at >>> all. >>> >>> But it sometimes works, if you’re lucky, and the libraries are very close >>> to what is being looked for. >>> >>> K >> >> --- >> This message was composed with the aid of a laptop cat, and no mouse >> > --- Entertaining minecraft videos http://YouTube.com/keybounce
