[R-SIG-Mac] Making Fortran shared objects on Mac

[Paul Roebuck]

On Sat, 16 Dec 2006, Emmanuel Sharef wrote:

> I get the following error when trying to compile some Fortran code to
> a shared object using R CMD SHLIB:
>
> R CMD SHLIB test3.f
> gfortran-4.0 -arch ppc   -fPIC  -g -O2 -c test3.f -o test3.o
> gcc-4.0 -arch ppc -dynamiclib -Wl,-macosx_version_min -Wl,10.3 -
> undefined dynamic_lookup -single_module -multiply_defined suppress -L/
> usr/local/lib -o test3.so test3.o -L/Library/Frameworks/R.framework/
> Resources/lib/ppc -lRlapack -L/Library/Frameworks/R.framework/
> Resources/lib/ppc -lRblas -lgfortran -lgcc_s -lSystemStubs -lmx -
> lSystem -lgfortran -lgcc_s -lSystemStubs -lmx -lSystem -L/Library/
> Frameworks/R.framework/Resources/lib/ppc -lR -dylib_file
> libRblas.dylib:/Library/Frameworks/R.framework/Resources/lib/ppc/
> libRblas.dylib
> /usr/bin/libtool: unknown option character `m' in: -macosx_version_min
> Usage: /usr/bin/libtool -static [-] file [...] [-filelist listfile
> [,dirname]] [-arch_only arch] [-sacLT]
> Usage: /usr/bin/libtool -dynamic [-] file [...] [-filelist listfile
> [,dirname]] [-arch_only arch] [-o output] [-install_name name] [-
> compatibility_version #] [-current_version #] [-seg1addr 0x#] [-
> segs_read_only_addr 0x#] [-segs_read_write_addr 0x#] [-seg_addr_table
> <filename>] [-seg_addr_table_filename <file_system_path>] [-all_load]
> [-noall_load]
> make: *** [test3.so] Error 1
>
> It looks like it's having some trouble with libtool, but I don't know
> what it means. I have installed
> - the Apple developer tools
> - the gcc included with the R installer
> - g77 from hpc.sourceforge.net
>
> Am I perhaps missing something, or is something improperly configured?

What version of Xcode did you install? The current version
is 2.4.1.

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SIGSIG -- signature too long (core dumped)