use same file name as original sources

git-svn-id: https://svn.r-project.org/R/trunk@67025 00db46b3-68df-0310-9c12-caf00c1e9a41
report on more external libraries

git-svn-id: https://svn.r-project.org/R/trunk@67026 00db46b3-68df-0310-9c12-caf00c1e9a41
add new function extSoftVersion()

git-svn-id: https://svn.r-project.org/R/trunk@67028 00db46b3-68df-0310-9c12-caf00c1e9a41
fix Windows

git-svn-id: https://svn.r-project.org/R/trunk@67029 00db46b3-68df-0310-9c12-caf00c1e9a41
fix Windows

git-svn-id: https://svn.r-project.org/R/trunk@67030 00db46b3-68df-0310-9c12-caf00c1e9a41
extend extSoftVersion()

git-svn-id: https://svn.r-project.org/R/trunk@67031 00db46b3-68df-0310-9c12-caf00c1e9a41
fix Windows

git-svn-id: https://svn.r-project.org/R/trunk@67032 00db46b3-68df-0310-9c12-caf00c1e9a41
bit more on external libs

git-svn-id: https://svn.r-project.org/R/trunk@67033 00db46b3-68df-0310-9c12-caf00c1e9a41
comment on system versions of zlib and bzlib

git-svn-id: https://svn.r-project.org/R/trunk@67035 00db46b3-68df-0310-9c12-caf00c1e9a41
New mirror in Lanzhou, China.

git-svn-id: https://svn.r-project.org/R/trunk@67037 00db46b3-68df-0310-9c12-caf00c1e9a41