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Re: MXE Octave: "... has no symbols" warning under Mac OS X
From: |
Ben Abbott |
Subject: |
Re: MXE Octave: "... has no symbols" warning under Mac OS X |
Date: |
Tue, 27 Aug 2013 07:58:19 -0400 |
On Aug 27, 2013, at 4:26 AM, Anirudha Bose wrote:
> I have been working on reusing mxe-octave [1] to natively build Octave for
> Mac OS X. I have been able to complete the build process for the target
> i686-apple-darwin11, but the executable usr/bin/octave doesn't launch Octave.
> Here is the error I see.
>
> dyld: Library not loaded: libcholmod.so
> Referenced from: /Users/mac6-user1/./mxe-octave/usr/bin/octave
> Reason: image not found
> Trace/BPT trap: 5
>
> I tried to trace back the error and saw that the library libcholmod.so
> belongs to the package suitesparse. The following is a part of the log of
> suitesparse, which I think is responsible for the above error.
>
> ar rv libcholmod.a cholmod_aat.o cholmod_add.o cholmod_band.o
> cholmod_change_factor.o cholmod_common.o cholmod_complex.o cholmod_copy.o
> cholmod_dens$
> ar: creating archive libcholmod.a
> /opt/local/bin/ranlib: file: libcholmod.a(cholmod_ccolamd.o) has no symbols
> /opt/local/bin/ranlib: file: libcholmod.a(cholmod_csymamd.o) has no symbols
> /opt/local/bin/ranlib: file: libcholmod.a(cholmod_metis.o) has no symbols
> /opt/local/bin/ranlib: file: libcholmod.a(cholmod_nesdis.o) has no symbols
> /opt/local/bin/ranlib: file: libcholmod.a(cholmod_camd.o) has no symbols
> /opt/local/bin/ranlib: file: libcholmod.a(cholmod_l_ccolamd.o) has no symbols
> /opt/local/bin/ranlib: file: libcholmod.a(cholmod_l_csymamd.o) has no symbols
> /opt/local/bin/ranlib: file: libcholmod.a(cholmod_l_metis.o) has no symbols
> /opt/local/bin/ranlib: file: libcholmod.a(cholmod_l_nesdis.o) has no symbols
> /opt/local/bin/ranlib: file: libcholmod.a(cholmod_l_camd.o) has no symbols
>
>
> I suppose the problem is because Mac OS "ar" is not standard. I have also
> noticed these warnings with other packages too. Can anyone tell me how to get
> a proper build under Mac OS X?
>
> [1] http://hg.octave.org/mxe-octave
>
> - Anirudha
MacOSX's toolchain avoids the use of static libraries (I assume to avoid
violating GNU licenses). That is likely at the root of the problem.
In any event, I expect that both Fink and Macports include an "ar" with their
basic installation.
Ben