* apt-pkg/contrib/fileutl.{h,cc}:
- Add support for transparent reading of gzipped files.
- Link against zlib (in apt-pkg/makefile) and add zlib build dependency.
- - [ABI BREAK] This introduces a new protected member of FileFD and changes
- the behaviour of FileFd for reading gzipped files.
+ - [Weak internal ABI BREAK] This changes the behaviour of FileFd for
+ reading gzipped files.
* configure.in:
- Check for zlib library and headers.
* apt-pkg/deb/debindexfile.cc: