get R CMD build to add NeedsCompilation field

git-svn-id: https://svn.r-project.org/R/trunk@67235 00db46b3-68df-0310-9c12-caf00c1e9a41
update

git-svn-id: https://svn.r-project.org/R/trunk@67236 00db46b3-68df-0310-9c12-caf00c1e9a41
add check of values in NeedsCompilation field

git-svn-id: https://svn.r-project.org/R/trunk@67237 00db46b3-68df-0310-9c12-caf00c1e9a41
uncorrect auto-correct

git-svn-id: https://svn.r-project.org/R/trunk@67239 00db46b3-68df-0310-9c12-caf00c1e9a41