tree c69726d17b942621cc8875ce8a987d407c602190
parent ba53f47e0a741b2d1b722bac11db8e678f001f21
author Dan Willemsen <dwillemsen@google.com> 1637020370 -0800
committer Dan Willemsen <dwillemsen@google.com> 1637045555 -0800

Switch from vfork to posix_spawn

The macOS 12 SDK has deprecated vfork in preference of posix_spawn or
fork. Switch to posix_spawn with the flag to continue using vfork on
Linux.