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Re: rpath versus dynlib on MacOS

From: Thomas Weber
Subject: Re: rpath versus dynlib on MacOS
Date: Sun, 13 Jan 2008 18:05:24 +0100

Am Sonntag, den 13.01.2008, 10:37 -0500 schrieb Ben Abbott:
> On Jan 13, 2008, at 10:05 AM, Thomas Weber wrote:
> > Hi,
> >
> > after revamping Octaviz' build system, I encountered (as in: someone
> > told me) a problem with MacOS.
> >
> > Octaviz builds a shared library. In order for its .oct files to find
> > this .so library, I add an rpath under Linux to the build flags.
> > It seems MacOS' linker doesn't know rpath, but uses '-bundles'  
> > instead.
> >
> > Can someone give me a hint how to use this flag?
> >
> > In case someone wonders: I don't use mkoctfile, because I want to use
> > precompiled headers. Somehow, the precise order of argurments seem to
> > matter there, so I must control the order in wich I pass flags to the
> > compiler (it's entirely possible that I'm just too stupid, but I
> > couldn't get it to work with mkoctfile and it works using plain g++).
> >
> Thomas, are you asking how to use the "-bundles" flag?

I guess, yes. I'm just getting this from, the formerly
mentioned MacOS user sent me.

> If so, I assume you know it is a linker option. I haven't tried to  
> compile any oct-files yet. However, for Matlab, I created mex-files  
> using a makefile. The link phase is
> gfortran -funroll-loops -ftree-vectorize -O5 -Wl,-flat_namespace - 
> undefined suppress -bundle  -Wl,-exported_symbols_list,/Applications/ 
> MATLAB_R2007b/extern/lib/maci/ -o my_mex_function.mexmaci  
> my_object_code.o /Applications/MATLAB_R2007b/extern/lib/maci/ 
> version4.o -L/Applications/MATLAB_R2007b/bin/maci -lmx -lmex -lmat -lm

Thanks for the example, I'll see if it helps.


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