Roger Koenker <rkoen...@illinois.edu> writes: > This is a question about how to find a lost library needed for the gurobi R > package. > Gurobi is a optimization system with various frontends including to R. > Even though I realize that few of you use, or may even know about, gurobi I > hope > that there may be some generic advice — my first dubious attempts, contrary > to Simon’s > periodic advice that use of DYLD_LIBRARY_PATH is frowned upon, have proven > futile. > Here is the basic story:
I just saw that gurobi is a commercial package which comes with their own R interface - I would ask on their mailing list. Cheers, Rainer > > I've installed gurobi and its license file and this seems to work on a test > problem from the command line, > but I would like to use the R package interface and have installed the R > binary package that comes with > the gurobi download on a R 3.3.0 system on an osx 10.11.5 machine, As far > as I can see there is no > source version of the R package available. The package “seems to” install, > but I now see in R: > >> library(gurobi) > Loading required package: gurobi > Loading required package: slam > Error in dyn.load(file, DLLpath = DLLpath, ...) : > unable to load shared object > '/Library/Frameworks/R.framework/Versions/3.3/Resources/library/gurobi/libs/gurobi.so': > > dlopen(/Library/Frameworks/R.framework/Versions/3.3/Resources/library/gurobi/libs/gurobi.so, > 6): Library not loaded: libgurobi65.so > Referenced from: > /Library/Frameworks/R.framework/Versions/3.3/Resources/library/gurobi/libs/gurobi.so > Reason: image not found > > the library libgurobi65.so is sitting in /usr/local/lib so I don't understand > why the > R process can't find it -- this is what the R package library thinks: > > yzzy: otool -L g* > > gurobi.so: > gurobi.so (compatibility version 0.0.0, current version 0.0.0) > libgurobi65.so (compatibility version 6.5.0, current version 6.5.2) > /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current > version 1197.1.1) > /Library/Frameworks/R.framework/Versions/3.2/Resources/lib/libR.dylib > (compatibility version 3.2.0, current version 3.2.2) > > /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation > (compatibility version 150.0.0, current version 855.17.0) > > Many thanks for your help, > Roger > > url: www.econ.uiuc.edu/~roger Roger Koenker > email rkoen...@uiuc.edu Department of Economics > vox: 217-333-4558 University of Illinois > fax: 217-244-6678 Urbana, IL 61801 > > _______________________________________________ > R-SIG-Mac mailing list > R-SIG-Mac@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-mac -- Rainer M. Krug email: Rainer<at>krugs<dot>de PGP: 0x0F52F982
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