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use libbrotli directly when available

* Look for both 'brotli' and 'bro' as external command,
  since upstream has renamed it in newer versions.
  If neither are found, current runtime behavior
  is preserved: try to find 'bro' on PATH.
* Limit amount handed to BrotliEncoderCompressStream
  to ensure interrupts are processed in a timely manner.
  Testing shows negligible performance impact.
  (Other compression sinks don't seem to require this)
This commit is contained in:
Will Dietz 2017-12-29 14:42:14 -06:00
parent 6a0dd63508
commit 9dd2b8ac7b
7 changed files with 212 additions and 18 deletions

View file

@ -6,8 +6,8 @@ libutil_DIR := $(d)
libutil_SOURCES := $(wildcard $(d)/*.cc)
libutil_LDFLAGS = $(LIBLZMA_LIBS) -lbz2 -pthread $(OPENSSL_LIBS)
libutil_LDFLAGS = $(LIBLZMA_LIBS) -lbz2 -pthread $(OPENSSL_LIBS) $(LIBBROTLI_LIBS)
libutil_LIBS = libformat
libutil_CXXFLAGS = -DBRO=\"$(bro)\"
libutil_CXXFLAGS = -DBROTLI=\"$(brotli)\"