[R-SIG-Mac] Writing R package that calls Fortran on Mac os X El Capitan Error

[peter dalgaard]

The most obvious thing is that you build Nepidemic.so but the error talks about randomepi.so.  Could it be as simple as putting the wrong thing in useDynLib(...)?

-pd


> On 16 Jun 2016, at 22:00 , Kodalore Vijayan, Vineetha W <vwkv13 at mun.ca> wrote:
> 
> I'm trying to write an R package that calls a Fortran subroutine on my  Mac
> os x El Capitan with Xcode 7 and gfortran 6.1, R 3.3.0.
> 
> I couldn't  build the library with my current namespace commands.
> I get the following error:
> 
> 
> * installing *source* package ‘Nepidemic’ ...
> ** libs
> gfortran  -fPIC -Wall -g -O2  -c  randomepi.f95 -o randomepi.o
> gfortran -dynamiclib -Wl,-headerpad_max_install_names -undefined
> dynamic_lookup -single_module -multiply_defined suppress
> -L/Library/Frameworks/R.framework/Resources/lib -L/usr/local/lib -o
> Nepidemic.so randomepi.o -F/Library/Frameworks/R.framework/.. -framework R
> -Wl,-framework -Wl,CoreFoundation
> installing to
> /Users/Vineetha/myrlibrary/myrpackages/Nepidemic.Rcheck/Nepidemic/libs
> ** R
> ** preparing package for lazy loading
> ** help
> *** installing help indices
> ** building package indices
> ** testing if installed package can be loaded
> Error in library.dynam(lib, package, package.lib) :
>  shared object ‘randomepi.so’ not found
> Error: loading failed
> Execution halted
> ERROR: loading failed
> * removing
> ‘/Users/Vineetha/myrlibrary/myrpackages/Nepidemic.Rcheck/Nepidemic’
> 
> 
> My package name is "NEpidemic" and source code file in src folder is
> "randomepi.f95"
> 
> Any help would be much appreciated. I'm vey new to both R
> and Fortran coding, especially in package building.
> 
> Thanks in advance!
> Vineetha
> 
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-- 
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Office: A 4.23
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com