mtex on macOS (catalina)

[Rüdiger]

Hi all,
in case someone runs into trouble installing/using mtex on macOS (10.15
- although not sure if this partially applies also to 10.14) such as e.g.

Error:

Invalid MEX-file 'some path to
mtex/mtex-5.3/extern/nfft/nfsoftmex.mexmaci64': dlopen(some path to
mtex//mtex-5.3/extern/nfft/nfsoftmex.mexmaci64, 6): no suitable image
found.  Did find:
some path to mtex/mtex-5.3/extern/nfft/nfsoftmex.mexmaci64: code
signature in (some path to
mtex/mtex-5.3/extern/nfft/nfsoftmex.mexmaci64) not valid for use in
process using Library Validation: library load disallowed by system policy

a) Either download mtex with a command line tool such as curl or wget,
or, if you have used a browser, use a terminal and:

sudo xattr -r -d com.apple.quarantine /path/to/mtexfolder


Error: unable to compile mex files during startup_mtex e.g.:

Checking mex files failed!
> Trying now to recompile mex files.
> In mex_install (line 15)
  In check_installation>check_mex (line 69)
  In check_installation (line 33)
  In startup_mtex (line 66)
  In startup (line 7)
... compiling S1Grid_find.c
Building with 'Xcode with Clang'.
Compiling some path to mtex/mtex-5.3/mex/S1Grid_find.c failed!

or/and

>   MTEX: Couldn't get the mex files working!
>   The original error message was:
>   Invalid MEX-file
> 'some path to mtex/mtex-5.3/mex/SO3Grid_dist_region.mexmaci64':
> dlopen(some path to mtex/mtex-5.3/mex/SO3Grid_dist_region.mexmaci64,
> 6): Library not loaded: @loader_path/libmex.dylib
>   Referenced from:
> some path to mtex/mtex-5.3/mex/SO3Grid_dist_region.mexmaci64
>   Reason: image not found
>   Contact author for help!


b) make sure after upgrading your system, to also upgrade xcode (via
appstore) and install the command line tools, accpt the licence

sudo xcodebuild -license accept
xcode-select --install

c) it might be that you need to modify the compiler options used by Matlab:

Get options path (example output) from within Matlab (you can also add
-v to the mex compile options and look for the line starting with
Options file: /):

m  = mex.getCompilerConfigurations
m.MexOpt
ans =
     /Users/rk/Library/Application
Support/MathWorks/MATLAB/R2019b/mex_C_maci64.xml

but it might also be (or elsewhere), for example:

/Applications/MATLAB_R2019a.app/bin/maci64/mexopts/clang_maci64.xml


within the file 'mex_C_maci64.xml'

change the line
                 <SDKVER>
                         <cmdReturns name="xcrun -sdk macosx
--show-sdk-version"/>
                 </SDKVER>

to

                 <SDKVER>
                         <cmdReturns name="xcrun -sdk macosx
--show-sdk-version  | cut -c1-5"/>
                 </SDKVER>

and potentially do a

mex -setup C

from within Matlab.

Now startup_mtex.m will hopefully run without any trouble.

Rüdiger

[Brady McBride]

Hello Rüdiger, 

I seem to be having these problems but cannot find a solution. I have done all steps as listed here until I get to "mex -setup C". 

When I do this in MATLAB I get the following:

"Error using mex

No supported compiler was found."

Do compliers need to be installed separately to the main MATLAB install? I'm running MATLAB R2019A on MacOS 10.15.7.

Thanks!

[Grafulha Morales Luiz]

Hi Brady

could you please use the new forum at 

https://github.com/mtex-toolbox/mtex/discussions

Ralf will close this forum soon

cheers

Luiz

PS - are you sure you have xcode installed properly, together with command line tools?

Luiz F. G. Morales
ScopeM & Structural Geology and Tectonics Group
ETH Zürich

---

From: mtex...@googlegroups.com <mtex...@googlegroups.com> on behalf of Brady McBride <bmcb...@mymail.mines.edu>
Sent: 03 November 2020 00:49:35
To: MTEX
Subject: {MTEX} Re: mtex on macOS (catalina)

 

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