"no LC_RPATH's found"

[David Ketcheson]

I've just installed Clawpack on a new macbook running Mac OS 14.7 and Python 3.13.0.  When I try to import clawpack.riemann I get

ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/clawpack/riemann/euler_mapgrid_3D.cpython-313-darwin.so, 0x0002): Library not loaded: @rpath/libgfortran.5.dylib
  Referenced from: <6F197123-2815-376C-933D-175CF893AF57> /Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/clawpack/riemann/euler_mapgrid_3D.cpython-313-darwin.so
  Reason: no LC_RPATH's found

It seems this may be related to a meson issue that hasn't been solved:

https://github.com/mesonbuild/meson/issues/13653

Has anyone else seen this problem? 

David

[Kyle Mandli]

I have not seen anything on 15.1.1 and reinstalled my entire tool-chain when I switched from 14 (Sonoma) to 15 (Sequoia).  I did have to be extra careful with that install as python has switched to requiring virtual envs but I would be surprised that that would have lead to problems.

Just in case it is helpful:
Apple Silicon M1
MacOS 15.1.1 (24B91)
Apple clang version 16.0.0 (clang-1600.0.26.4)
GNU Fortran (Homebrew GCC 14.2.0_1) 14.2.0
Homebrew 4.4.6
Python 3.13.0
NumPy 2.1.2

Kyle

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[David Ketcheson]

I had installed the gfortran compiler from https://github.com/fxcoudert/gfortran-for-macOS/releases

I uninstalled that and installed using homebrew, and the problem went away.

[Kyle Mandli]

Good to know.  Were you using the entire GCC toolchain or clang for the C compiler?

Kyle

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