AX_COUNT_CPUS
, 

2006年10月13日

Michael Paul Bailey <jinxidoru@byu.net>

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Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. Users of this software should generally follow the principles of the MIT License includings its disclaimer.

cryp.to ac-archive's Miscellaneous (released)

Attempt to count the number of processors present on the machine. If the detection fails, then a value of 1 is assumed.

The value is placed in the CPU_COUNT variable.

AC_DEFUN([AX_COUNT_CPUS], [
 AC_REQUIRE([AC_PROG_EGREP])
 AC_MSG_CHECKING( cpu count )
 CPU_COUNT="0"
 if test -e /proc/cpuinfo; then
 CPU_COUNT=`$EGREP -c '^processor' /proc/cpuinfo`
 fi
 if test "x$CPU_COUNT" = "x0"; then
 CPU_COUNT="1"
 AC_MSG_RESULT( [unable to detect (assuming 1)] )
 else
 AC_MSG_RESULT( $CPU_COUNT )
 fi
])