feature/android updated (198b8160cfe -> 22749d69e58)

[Po Lu]

oldosfan pushed a change to branch feature/android.

      from  198b8160cfe Update Android port
       new  1ba1f277b69 ; * src/image.c (syms_of_image): Fix typo.
       new  22749d69e58 Add libtiff support to Android port


Summary of changes:
 INSTALL.android                   | 14 +++++++++--
 build-aux/ndk-build-helper-1.mk   |  2 +-
 build-aux/ndk-build-helper-2.mk   |  2 +-
 build-aux/ndk-build-helper-4.mk   |  1 +
 configure.ac                      | 35 +++++++++++++++++++--------
 cross/ndk-build/ndk-clear-vars.mk |  1 +
 cross/ndk-build/ndk-resolve.mk    | 51 +++++++++++++++++++++++++++++++++------
 src/Makefile.in                   |  3 ++-
 src/image.c                       |  2 +-
 9 files changed, 87 insertions(+), 24 deletions(-)