- Build with thread-safe support by default
- Add lzma support
- Adjust OPTIONS:
  - Add ICONV, KML and WEBP
  - Remove GRASS (cyclic dependency), PERL, PHP, PYTHON, RUBY and THREADS (default)
- Move language bindings to separate ports:
  - Move Perl binding to graphics/p5-Geo-GDAL
  - Move PHP binding to graphics/php-gdal
  - Move Python binding to graphics/py-gdal
  - Move Ruby binding to graphics/ruby-gdal
- Add corresponding CONFIGURE_ARGS for disabled features
- Cosmetic change

Changes:	http://trac.osgeo.org/gdal/wiki/Release/1.9.1-News