* test/dl/test_base.rb (libc_so, libm_so): on Solaris, remove libc
and libm version numbers for detecting default libc and libm.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32892 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/fiddle/*: testing fiddle extension
* ext/dl/lib/dl.rb: Requiring fiddle if it is available
* ext/dl/lib/dl/callback.rb: using Fiddle if it is available
* ext/dl/lib/dl/func.rb: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27640 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
