new "safe" uniroot() =: unirootS()  [may change; see R-devel e-mail]

git-svn-id: http://svn.r-project.org/R/trunk@62834 00db46b3-68df-0310-9c12-caf00c1e9a41
monitor interval extension

git-svn-id: http://svn.r-project.org/R/trunk@62835 00db46b3-68df-0310-9c12-caf00c1e9a41
tweaks; note that Sig=0 keeps search interval

git-svn-id: http://svn.r-project.org/R/trunk@62836 00db46b3-68df-0310-9c12-caf00c1e9a41
Typo in external name

git-svn-id: http://svn.r-project.org/R/trunk@62837 00db46b3-68df-0310-9c12-caf00c1e9a41
Suppress warnings about missing globals on Windows

git-svn-id: http://svn.r-project.org/R/trunk@62838 00db46b3-68df-0310-9c12-caf00c1e9a41
Fix external call

git-svn-id: http://svn.r-project.org/R/trunk@62839 00db46b3-68df-0310-9c12-caf00c1e9a41
more on finding LOCAL_SOFT

git-svn-id: http://svn.r-project.org/R/trunk@62841 00db46b3-68df-0310-9c12-caf00c1e9a41
Improve docs and checks for PKG_*FLAGS Make variables.

git-svn-id: http://svn.r-project.org/R/trunk@62842 00db46b3-68df-0310-9c12-caf00c1e9a41
Make make pdf work without recommended packages.

git-svn-id: http://svn.r-project.org/R/trunk@62843 00db46b3-68df-0310-9c12-caf00c1e9a41