Date: Mon, 12 Jun 2017 08:29:59 -0700 From: Bobby Powers <bobbypowers@...il.com> To: musl@...ts.openwall.com Subject: Re: more fun with non-Linux Linux ABI On Sun, Jun 11, 2017 at 2:50 PM, Rich Felker <dalias@...c.org> wrote: >> Such an option would most probably result in a pretty small performance >> impact on modern (native) Linux. > > It's actually a pretty large impact; recent (4.x+ IIRC) versions of > GNU makes are considerably slower because they dropped use of vfork > and switched to fork rather than making it use posix_spawn like it > should. Do you know why they chose not to use posix_spawn?
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