* bootstrap: Verify functionality of sed
Check for the existence of sed by running a simple substitution rather
than using the --version flag. This lets us remove the weird exclusion
of FreeBSD from checking the sed requirement, and fixes checking the sed
requirement on other systems like macOS that use BSD sed, which doesn't
support --version.
* bootstrap: Detect flag for sed extended RE
Detect whether sed needs -E or -r to enable extended regular
expressions. Fixes bootstrap on macOS, whose BSD sed does not support
-r.
GNU sed has supported -E as a synonym for -r since version 4.2 (2009),
initially as an undocumented option for compatibility with BSD sed:
http://git.savannah.gnu.org/cgit/sed.git/commit/sed/sed.c?id=3a8e165ab02487c372df217c1989e287625ce0ae
and later as a documented option after -E became POSIX:
http://git.savannah.gnu.org/cgit/sed.git/commit/sed/sed.c?id=8b65e07904384b529a464c89f3739d2e7e4d5135
* New feature: "Large Window Brotli"
By setting special encoder/decoder flag it is now possible to extend
LZ-window up to 30 bits; though produced stream will not be RFC7932
compliant.
Added new dictionary generator - "DSH". It combines speed of "Sieve"
and quality of "DM". Plus utilities to prepare train corpora
(remove unique strings).
Improved compression ratio: now two sub-blocks could be stitched:
the last copy command could be extended to span the next sub-block.
Fixed compression ineffectiveness caused by floating numbers rounding and
wrong cost heuristic.
Other C changes:
- combined / moved `context.h` to `common`
- moved transforms to `common`
- unified some aspects of code formatting
- added an abstraction for encoder (static) dictionary
- moved default allocator/deallocator functions to `common`
brotli CLI:
- window size is auto-adjusted if not specified explicitly
Java:
- added "eager" decoding both to JNI wrapper and pure decoder
- huge speed-up of `DictionaryData` initialization
* Add dictionaryless compressed dictionary
* Fix `sources.lst`
* Fix `sources.lst` and add a note that `libtool` is also required.
* Update setup.py
* Fix `EagerStreamTest`
* Fix BUILD file
* Add missing `libdivsufsort` dependency
* Fix "unused parameter" warning.
Missed this in my previous tests. Sorry for that.
On BSDs, both bc and sed are part of the base operating system. For sed this results in an error as the check construct (--version) is a GNU-ism and only works for GNU sed, not for bsd sed.
Similarly, BSD sed does not take parameters after the filename(s) operated on. Moving `-i` to the front fixes that. `-r` is provided for GNU compat in BSD sed as an alias of `-E`. The `-i` option in BSD sed requires an extension to work in-place.
(thank you for picking up the nginx module too!)
* add autotools build
* separate semantic and ABI version
* extract sources.lst (used by CMake and Automake)
* share pkgconfig templates (used by CMake and Automake)
* decoder: always set `total_out`
* encoder: fix `BROTLI_ENSURE_CAPACITY` macro (no-op after preprocessor)
* decoder/encoder: refine `free_func` contract
