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Commit 640210e5 authored by Rolf Eike Beer's avatar Rolf Eike Beer
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SystemInformation: use /proc/cpuinfo only when present 

Try to open /proc/cpuinfo only on platforms where it's presence is
expected, namely Linux and Cygwin.

Otherwise try sysconf(_SC_NPROCESSORS_ONLN) as last resort to count
processors. Also account for the slightly different name on IRIX.

Change-Id: I89eb5e198a6b3a33b581b70d2213096cbac8ca7c
parent e6771b34
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