These examples have not worked for a long time: .C does not coerce arguments,
and Tests.o was not made with PIC flags.


git-svn-id: https://svn.r-project.org/R/trunk@63533 00db46b3-68df-0310-9c12-caf00c1e9a41
protect against embedded misuse (PR#15420?)

git-svn-id: https://svn.r-project.org/R/trunk@63535 00db46b3-68df-0310-9c12-caf00c1e9a41
more details on link, forget sub-architectures

git-svn-id: https://svn.r-project.org/R/trunk@63537 00db46b3-68df-0310-9c12-caf00c1e9a41