On 3 Mar 2011, at 00:14, Andreas Rottmann wrote: >>>> scheme@(guile-user)> (define libm (dynamic-link "/usr/lib/libm.dylib")) >>>> ERROR: In procedure dynamic-link: file: "/usr/lib/libm.dylib", >>>> message: "file not found" >>> >>> You should omit the extension, which will be automatically inferred by >>> Guile (actually ltdl) depending on the system: >>> >>> (dynamic-link "/usr/lib/libm") >>> >>> or: >>> >>> (dynamic-link "libm") >> >> None of those work - I checked and rechecked that. Making a soft link >> ending on ".so", and it works fine. I have seen this before in the >> Bessel function example. >> > This looks like a bug, probably in libtldl. I'd guess that on OS X, it > is *supposed to* try the .dylib extension instead of .so.
Yes, and try without adding a file name extension. > Tracing the > process to see what it actually looks for might be interesting. I made a softlink ending in .so, and then it worked. > Another related issue that has come up in IRC is versioning: If I > understand correctly, it is currently impossible to specify the version > of the shared object to be used (as one cannot even pass a full filename > to `dynamic-link'). The full path works, as long as the name of library actually opened ends in .so.
