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Diffstat (limited to 'share/cmake-3.2/Modules/ProcessorCount.cmake')
| -rwxr-xr-x | share/cmake-3.2/Modules/ProcessorCount.cmake | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/share/cmake-3.2/Modules/ProcessorCount.cmake b/share/cmake-3.2/Modules/ProcessorCount.cmake deleted file mode 100755 index 8f21adf..0000000 --- a/share/cmake-3.2/Modules/ProcessorCount.cmake +++ /dev/null @@ -1,231 +0,0 @@ -#.rst: -# ProcessorCount -# -------------- -# -# ProcessorCount(var) -# -# Determine the number of processors/cores and save value in ${var} -# -# Sets the variable named ${var} to the number of physical cores -# available on the machine if the information can be determined. -# Otherwise it is set to 0. Currently this functionality is implemented -# for AIX, cygwin, FreeBSD, HPUX, IRIX, Linux, Mac OS X, QNX, Sun and -# Windows. -# -# This function is guaranteed to return a positive integer (>=1) if it -# succeeds. It returns 0 if there's a problem determining the processor -# count. -# -# Example use, in a ctest -S dashboard script: -# -# :: -# -# include(ProcessorCount) -# ProcessorCount(N) -# if(NOT N EQUAL 0) -# set(CTEST_BUILD_FLAGS -j${N}) -# set(ctest_test_args ${ctest_test_args} PARALLEL_LEVEL ${N}) -# endif() -# -# -# -# This function is intended to offer an approximation of the value of -# the number of compute cores available on the current machine, such -# that you may use that value for parallel building and parallel -# testing. It is meant to help utilize as much of the machine as seems -# reasonable. Of course, knowledge of what else might be running on the -# machine simultaneously should be used when deciding whether to request -# a machine's full capacity all for yourself. - -# A more reliable way might be to compile a small C program that uses the CPUID -# instruction, but that again requires compiler support or compiling assembler -# code. - -#============================================================================= -# Copyright 2010-2011 Kitware, Inc. -# -# Distributed under the OSI-approved BSD License (the "License"); -# see accompanying file Copyright.txt for details. -# -# This software is distributed WITHOUT ANY WARRANTY; without even the -# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# See the License for more information. -#============================================================================= -# (To distribute this file outside of CMake, substitute the full -# License text for the above reference.) - -function(ProcessorCount var) - # Unknown: - set(count 0) - - if(WIN32) - # Windows: - set(count "$ENV{NUMBER_OF_PROCESSORS}") - #message("ProcessorCount: WIN32, trying environment variable") - endif() - - if(NOT count) - # Mac, FreeBSD, OpenBSD (systems with sysctl): - find_program(ProcessorCount_cmd_sysctl sysctl - PATHS /usr/sbin /sbin) - mark_as_advanced(ProcessorCount_cmd_sysctl) - if(ProcessorCount_cmd_sysctl) - execute_process(COMMAND ${ProcessorCount_cmd_sysctl} -n hw.ncpu - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE - OUTPUT_VARIABLE count) - #message("ProcessorCount: trying sysctl '${ProcessorCount_cmd_sysctl}'") - endif() - endif() - - if(NOT count) - # Linux (systems with getconf): - find_program(ProcessorCount_cmd_getconf getconf) - mark_as_advanced(ProcessorCount_cmd_getconf) - if(ProcessorCount_cmd_getconf) - execute_process(COMMAND ${ProcessorCount_cmd_getconf} _NPROCESSORS_ONLN - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE - OUTPUT_VARIABLE count) - #message("ProcessorCount: trying getconf '${ProcessorCount_cmd_getconf}'") - endif() - endif() - - if(NOT count) - # HPUX (systems with machinfo): - find_program(ProcessorCount_cmd_machinfo machinfo - PATHS /usr/contrib/bin) - mark_as_advanced(ProcessorCount_cmd_machinfo) - if(ProcessorCount_cmd_machinfo) - execute_process(COMMAND ${ProcessorCount_cmd_machinfo} - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE - OUTPUT_VARIABLE machinfo_output) - string(REGEX MATCHALL "Number of CPUs = ([0-9]+)" procs "${machinfo_output}") - set(count "${CMAKE_MATCH_1}") - if(NOT count) - string(REGEX MATCHALL "([0-9]+) logical processors" procs "${machinfo_output}") - set(count "${CMAKE_MATCH_1}") - endif() - #message("ProcessorCount: trying machinfo '${ProcessorCount_cmd_machinfo}'") - else() - find_program(ProcessorCount_cmd_mpsched mpsched) - mark_as_advanced(ProcessorCount_cmd_mpsched) - if(ProcessorCount_cmd_mpsched) - execute_process(COMMAND ${ProcessorCount_cmd_mpsched} -s - OUTPUT_QUIET - ERROR_STRIP_TRAILING_WHITESPACE - ERROR_VARIABLE mpsched_output) - string(REGEX MATCHALL "Processor Count *: *([0-9]+)" procs "${mpsched_output}") - set(count "${CMAKE_MATCH_1}") - #message("ProcessorCount: trying mpsched -s '${ProcessorCount_cmd_mpsched}'") - endif() - endif() - endif() - - if(NOT count) - # IRIX (systems with hinv): - find_program(ProcessorCount_cmd_hinv hinv - PATHS /sbin) - mark_as_advanced(ProcessorCount_cmd_hinv) - if(ProcessorCount_cmd_hinv) - execute_process(COMMAND ${ProcessorCount_cmd_hinv} - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE - OUTPUT_VARIABLE hinv_output) - string(REGEX MATCHALL "([0-9]+) .* Processors" procs "${hinv_output}") - set(count "${CMAKE_MATCH_1}") - #message("ProcessorCount: trying hinv '${ProcessorCount_cmd_hinv}'") - endif() - endif() - - if(NOT count) - # AIX (systems with lsconf): - find_program(ProcessorCount_cmd_lsconf lsconf - PATHS /usr/sbin) - mark_as_advanced(ProcessorCount_cmd_lsconf) - if(ProcessorCount_cmd_lsconf) - execute_process(COMMAND ${ProcessorCount_cmd_lsconf} - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE - OUTPUT_VARIABLE lsconf_output) - string(REGEX MATCHALL "Number Of Processors: ([0-9]+)" procs "${lsconf_output}") - set(count "${CMAKE_MATCH_1}") - #message("ProcessorCount: trying lsconf '${ProcessorCount_cmd_lsconf}'") - endif() - endif() - - if(NOT count) - # QNX (systems with pidin): - find_program(ProcessorCount_cmd_pidin pidin) - mark_as_advanced(ProcessorCount_cmd_pidin) - if(ProcessorCount_cmd_pidin) - execute_process(COMMAND ${ProcessorCount_cmd_pidin} info - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE - OUTPUT_VARIABLE pidin_output) - string(REGEX MATCHALL "Processor[0-9]+: " procs "${pidin_output}") - list(LENGTH procs count) - #message("ProcessorCount: trying pidin '${ProcessorCount_cmd_pidin}'") - endif() - endif() - - if(NOT count) - # Sun (systems where uname -X emits "NumCPU" in its output): - find_program(ProcessorCount_cmd_uname uname) - mark_as_advanced(ProcessorCount_cmd_uname) - if(ProcessorCount_cmd_uname) - execute_process(COMMAND ${ProcessorCount_cmd_uname} -X - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE - OUTPUT_VARIABLE uname_X_output) - string(REGEX MATCHALL "NumCPU = ([0-9]+)" procs "${uname_X_output}") - set(count "${CMAKE_MATCH_1}") - #message("ProcessorCount: trying uname -X '${ProcessorCount_cmd_uname}'") - endif() - endif() - - # Execute this code when all previously attempted methods return empty - # output: - # - if(NOT count) - # Systems with /proc/cpuinfo: - set(cpuinfo_file /proc/cpuinfo) - if(EXISTS "${cpuinfo_file}") - file(STRINGS "${cpuinfo_file}" procs REGEX "^processor.: [0-9]+$") - list(LENGTH procs count) - #message("ProcessorCount: trying cpuinfo '${cpuinfo_file}'") - endif() - endif() - - if(NOT count) - # Haiku - find_program(ProcessorCount_cmd_sysinfo sysinfo) - if(ProcessorCount_cmd_sysinfo) - execute_process(COMMAND ${ProcessorCount_cmd_sysinfo} - ERROR_QUIET - OUTPUT_STRIP_TRAILING_WHITESPACE - OUTPUT_VARIABLE sysinfo_X_output) - string(REGEX MATCHALL "\nCPU #[0-9]+:" procs "\n${sysinfo_X_output}") - list(LENGTH procs count) - #message("ProcessorCount: trying sysinfo '${ProcessorCount_cmd_sysinfo}'") - endif() - endif() - - # Since cygwin builds of CMake do not define WIN32 anymore, but they still - # run on Windows, and will still have this env var defined: - # - if(NOT count) - set(count "$ENV{NUMBER_OF_PROCESSORS}") - #message("ProcessorCount: last fallback, trying environment variable") - endif() - - # Ensure an integer return (avoid inadvertently returning an empty string - # or an error string)... If it's not a decimal integer, return 0: - # - if(NOT count MATCHES "^[0-9]+$") - set(count 0) - endif() - - set(${var} ${count} PARENT_SCOPE) -endfunction() |