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| author | Peter Simons <simons@cryp.to> | 2007-02-18 23:43:16 +0100 |
|---|---|---|
| committer | Peter Simons <simons@cryp.to> | 2007-02-18 23:43:16 +0100 |
| commit | 16aee45643e593e2833e4dff19df7b5f14267a79 (patch) | |
| tree | ba40c1ee401bbbcec7dbee5e3bb51d21c70db130 /m4/ax_count_cpus.m4 | |
| download | autoconf-archive-16aee45643e593e2833e4dff19df7b5f14267a79.tar.gz | |
Imported http://autoconf-archive.cryp.to/ release 2007-02-14.
Diffstat (limited to 'm4/ax_count_cpus.m4')
| -rw-r--r-- | m4/ax_count_cpus.m4 | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/m4/ax_count_cpus.m4 b/m4/ax_count_cpus.m4 new file mode 100644 index 0000000..c615966 --- /dev/null +++ b/m4/ax_count_cpus.m4 @@ -0,0 +1,39 @@ +##### http://autoconf-archive.cryp.to/ax_count_cpus.html +# +# SYNOPSIS +# +# AX_COUNT_CPUS +# +# DESCRIPTION +# +# 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. +# +# LAST MODIFICATION +# +# 2006-10-13 +# +# COPYLEFT +# +# Copyright (c) 2006 Michael Paul Bailey <jinxidoru@byu.net> +# +# 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. + +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 +]) |