libarchive 3.1.2-246-ga5a5d28b (reduced)

Extract upstream libarchive using the following shell code.

url=git://github.com/libarchive/libarchive.git &&
v=3.1.2-246-ga5a5d28b &&
r=a5a5d28b &&
paths="
  CMakeLists.txt
  COPYING
  CTestConfig.cmake
  build/cmake
  build/pkgconfig
  build/utils
  build/version
  libarchive/*.*
" &&
mkdir libarchive-$v-g$r-reduced &&
git clone $url libarchive-git &&
date=$(cd libarchive-git && git log -n 1 --format='%cd' $r) &&
(cd libarchive-git && git archive --format=tar $r -- $paths) |
(cd libarchive-$v-g$r-reduced && tar xv) &&
fromdos libarchive-$v-g$r-reduced/build/cmake/Find*.cmake &&
echo "g$r date: $date"
libarchive: Disable all whitespace checks in third-party code
Merge branch 'libarchive-upstream' into update-libarchive

Resolve conflicts in Utilities/cmlibarchive/CMakeLists.txt as
appropriate.
libarchive: Update README-CMake.txt for new snapshot
libarchive: Drop LIBARCHIVE_ADDITIONAL_LIBS, CMake does not need it
libarchive: Use _snprintf on Windows, not snprintf
Merge topic 'update-libarchive' into next

67f5f0a9 libarchive: Use _snprintf on Windows, not snprintf
fcfbb0a9 libarchive: Drop LIBARCHIVE_ADDITIONAL_LIBS, CMake does not need it
61a649d9 libarchive: Update README-CMake.txt for new snapshot
4533560c Merge branch 'libarchive-upstream' into update-libarchive
44d6b82f libarchive: Disable all whitespace checks in third-party code
37f225b7 libarchive 3.1.2-246-ga5a5d28b (reduced)