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This replaces the build dependency on perl with one on awk which is already used in the build system and is much more ubiquitous than perl --- Makefile.in | 2 +- mkproto.awk | 39 +++++++++++++++++++++++++++++++++++++++ mkproto.pl | 48 ------------------------------------------------ 3 files changed, 40 insertions(+), 49 deletions(-) create mode 100644 mkproto.awk delete mode 100644

would it perhaps make sense to have a "--disable-sse2/3" commandline switch in rsync, too - at least for some timeframe until this is considered "rock solid" ? i dislike having automatic cpu feature switching code in a tool which needs to be reliable for me, this new optimization may have issues - and without such switch it can't be easily workarounded without replacing

...can't just say "Give me more data"... because there may not be any data ready yet, or the data may be being withheld for various reasons. It would also make it much easier to integrate with something like libfishsound. ie something like __initialise_flac_decoder(ALL_THE_HEADERS inHeaders); __set_decoded_callback(CALL_ME_HERE_WITH_THE_DECODED_AUDIO inCB); __feed_flac_data(SOME_FLAC_DATA inData, BOOL inSendMeAudioYet); Then if a full frame ins't passed in... it just waits on the data to complete it, instead of calling a read callback... if more than one frame is passed in, the...

What do you base this on? Per https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html : "For the x86-32 compiler, you must use -march=cpu-type, -msse or -msse2 switches to enable SSE extensions and make this option effective. For the x86-64 compiler, these extensions are enabled by default." That reads to me like we're fine for SSE2. As stated in my comments, SSSE3 support must be

I've read up some more on the subject, and it seems the proper way to do this with GCC is g++ and target attributes. I've refactored the patch that way, and it indeed uses SSSE3 automatically on supporting CPUs, regardless of the build host, so this should be ideal both for home builders and distros. Getting the code to build right in c++ mode (checksum_sse2.cpp only) was a bit of an