These were intended to be enabled previously, but GYP uses “ia32” and
“x64” for x86 and x86_64, and zlib.gyp erroneously used “x86” and
“amd64” instead.
In order to make this work, gcc and clang need -mpclmul to enable the
pclmul extension used by crc_folding.c. The optimized code will only be
used if, at runtime, SSE2, SSE4.2, and PCLMULQDQ support is detected.
Change-Id: Ic709cd2a6c38892083c44c4004573a64b3581eb5
Reviewed-on: https://chromium-review.googlesource.com/553337
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
This adds zlib to Crashpad. By default in standalone Crashpad builds,
the system zlib will be used where available. A copy of Chromium’s zlib
(currently a slightly patched 1.2.11) is checked out via DEPS into
third_party for use on Windows, which does not have a system zlib.
zlib is used to produce gzip streams for HTTP upload request bodies sent
by crashpad_handler by default. The Content-Encoding: gzip header is set
for these compressed request bodies. Compression can be disabled for
upload to servers without corresponding decompression support by
starting crashpad_handler with the --no-upload-gzip option.
Most minidumps compress quite well with zlib. A size reduction of 90% is
not uncommon.
BUG=crashpad:157
TEST=crashpad_util_test GzipHTTPBodyStream.*:HTTPTransport.*
Change-Id: I99b86db3952c3685cd78f5dc858a60b54399c513
Reviewed-on: https://chromium-review.googlesource.com/438585
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Mark Mentovai