[I'm not on the bug-libtool list, so please cc me.] Despite being reported a year ago, Guile can still not open dynamic libraries ending with .dylib on Mac OS X. Looking throw the past discussion, it looks as though developers of the one package hold the opinion that those of the other package should do the fix. So I am merely reporting it, cross-linking, so that you can figure out who guys should do the fix. :-)
So guile-2.0.0 using libltdl.7.dylib of libtool-2.4, can on Mac OS X 10.6.6 only open a dynamic library if the name of what it actually opens ends in .so (say by making a soft link using 'ln -s'); if it ends in .dylib, it cannot open it, even if the full name is given. See http://lists.gnu.org/archive/html/bug-guile/2011-03/msg00008.html http://lists.gnu.org/archive/html/guile-devel/2011-03/msg00021.html Mac OS X does not care about file name extensions; .dylib is just a convention for native dynamic libraries. So the wanted behavior is to first try opening a library without adding an extension, and then try out different endings. On Mac OS X, it would be best trying out .dylib first - I haven't seen any other ending in use. Hans