On Tue, Oct 11, 2011 at 11:36 AM, Arnaud Lacombe <lacombar_at_gmail.com> wrote: > Hi, > > On Tue, Oct 11, 2011 at 8:00 AM, Dimitry Andric <dim_at_freebsd.org> wrote: >> On 2011-10-09 19:32, Larry Rosenman wrote: >>> >>> I had gotten a PR about sysutils/lsof not compiling with clang. I had >>> Vic Abell check it out, and the problem is NOT with lsof per se, but >>> with the system headers. >>> >>> Is there a project afoot to update the system headers to make them clang >>> compilable? >> >> The problem isn't that clang can't compile the system headers, but >> normally these don't get included from userspace. And they certainly >> won't work as expected when you define _KERNEL in userspace, as the lsof >> port foolishly does. It probably can't be avoided in such a tool, though. >> > #ifdef _KERNEL/#endif protected part of system headers shall NEVER be > accessed by userland. It is a fault to have them present in > /usr/include. Linux got it right there, all those part are removed > upon headers' installation. Yes, but instead Linux encourages mucking around with /proc and /sys, which have varying levels of formatting and provided output. The data needs to be exported properly via sysctl. If it's not done that way to userland, then the API/KPI is flawed and needs to be revised. Thanks, -GarrettReceived on Tue Oct 11 2011 - 17:24:28 UTC
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