lxml

  1. Bug #2059910
  2. Comment #7

Comment 7 for bug 2059910

Revision history for this message
scoder (scoder) wrote :

Ivy Bridge supports SSE4.2.

After the initial report, I changed the options to this:

https://github.com/lxml/lxml/blob/a1b9c66891ca3a3ae6db01274a18bb1cc45cece1/pyproject.toml

[[tool.cibuildwheel.overrides]]
select = "*linux_i686"
environment.CFLAGS = "-O3 -g1 -pipe -fPIC -flto -march=core2 -mtune=generic"

[[tool.cibuildwheel.overrides]]
select = "*linux_x86_64"
environment.CFLAGS = "-O3 -g1 -pipe -fPIC -flto -march=core2 -msse4.1 -msse4.2 -mtune=generic"