[pdal] Trouble compiling PDAL with MATLAB Plugin on Mac OS

[Howard Butler]

I also no longer have access to Matlab but I remember the Find logic being extra finicky on MacOS with the frameworks and weird OSXisms that are possible. It might also be worth it to track down a more recent FindMatlab.cmake file out there.

> On Jun 3, 2024, at 8:48 AM, Andrew Bell via pdal <pdal at lists.osgeo.org> wrote:
> 
> I have no access to Matlab and I don't know who does at this point.
> 
> Looking at the FindMatlab file, you might try just setting Matlab_ROOT_DIR and lose the defines for the specific libraries. :shrug:
> 
> On Mon, Jun 3, 2024 at 9:41 AM Patrick Rennich via pdal <pdal at lists.osgeo.org <mailto:pdal at lists.osgeo.org>> wrote:
>> Hello,
>> 
>>  
>> 
>> I’m having trouble compiling PDAL from source on Mac OS when turning on the BUILD_MATLAB_PLUGIN=ON. PDAL compiles fine without this, but when I execute cmake as follows:
>> 
>>  
>> 
>> cmake -G Ninja -DBUILD_PLUGIN_MATLAB=ON -DMatlab_MX_LIBRARY=/Applications/MATLAB_R2024a.app/bin/maca64 -DMatlab_MAT_LIBRARY=/Applications/MATLAB_R2024a.app/bin/maca64 -DMatlab_ENG_LIBRARY=/Applications/MATLAB_R2024a.app/bin/maca64 -DMatlab_INCLUDE_DIRS=/Applications/MATLAB_R2024a.app/extern/include ..
>> 
>>  
>> 
>> I get the following error message:
>> 
>>  
>> 
>> CMake Error at cmake/matlab.cmake:4 (find_library):
>> 
>>   Could not find Matlab using the following names:
>> 
>> Call Stack (most recent call first):
>> 
>>   plugins/matlab/CMakeLists.txt:3 (include)
>> 
>>  
>> 
>> Let me know if there’s any other info I can provide, and any help is much appreciated. Thanks.
>> 
>>  
>> 
>>  
>> 
>> Patrick
>> 
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> 
> 
> --
> Andrew Bell
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