diff options
Diffstat (limited to 'storage/maria/libmarias3/m4/ax_count_cpus.m4')
-rw-r--r-- | storage/maria/libmarias3/m4/ax_count_cpus.m4 | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/storage/maria/libmarias3/m4/ax_count_cpus.m4 b/storage/maria/libmarias3/m4/ax_count_cpus.m4 new file mode 100644 index 00000000..d4f3d290 --- /dev/null +++ b/storage/maria/libmarias3/m4/ax_count_cpus.m4 @@ -0,0 +1,57 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/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. +# +# LICENSE +# +# Copyright (c) 2012 Brian Aker <brian@tangent.org> +# Copyright (c) 2008 Michael Paul Bailey <jinxidoru@byu.net> +# Copyright (c) 2008 Christophe Tournayre <turn3r@users.sourceforge.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. This file is offered as-is, without any +# warranty. + +#serial 10 + + AC_DEFUN([AX_COUNT_CPUS],[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_PROG_EGREP]) + AC_MSG_CHECKING([the number of available CPUs]) + CPU_COUNT="0" + + AS_CASE([$host_os],[ + *darwin*],[ + AS_IF([test -x /usr/sbin/sysctl],[ + sysctl_a=`/usr/sbin/sysctl -a 2>/dev/null| grep -c hw.cpu` + AS_IF([test sysctl_a],[ + CPU_COUNT=`/usr/sbin/sysctl -n hw.ncpu` + ]) + ])],[ + *linux*],[ + AS_IF([test "x$CPU_COUNT" = "x0" -a -e /proc/cpuinfo],[ + AS_IF([test "x$CPU_COUNT" = "x0" -a -e /proc/cpuinfo],[ + CPU_COUNT=`$EGREP -c '^processor' /proc/cpuinfo` + ]) + ]) + ]) + + AS_IF([test "x$CPU_COUNT" = "x0"],[ + CPU_COUNT="1" + AC_MSG_RESULT( [unable to detect (assuming 1)] ) + ],[ + AC_MSG_RESULT( $CPU_COUNT ) + ]) + ]) |