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Fix number processors on mac for parallelizing ctest 

system_profiler takes too long on my machine and the string regex replace doesn't work correctly (cmake 3.3.1)
release/4.3a0
Duy-Nguyen Ta 2016-04-27 01:13:53 -04:00
parent 94e8f7073c
commit 5ba04bba44
1 changed files with 4 additions and 5 deletions
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9
cmake/GtsamTesting.cmake
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@ -112,11 +112,10 @@ if(NOT DEFINED PROCESSOR_COUNT)
# Mac:
if(APPLE)
find_program(cmd_sys_pro "system_profiler")
if(cmd_sys_pro)
execute_process(COMMAND ${cmd_sys_pro} OUTPUT_VARIABLE info)
string(REGEX REPLACE "^.*Total Number Of Cores: ([0-9]+).*$" "\\1"
PROCESSOR_COUNT "${info}")
find_program(cmd_sysctl "sysctl")
if(cmd_sysctl)
execute_process(COMMAND ${cmd_sysctl} -n hw.ncpu OUTPUT_VARIABLE info)
string(STRIP ${info} PROCESSOR_COUNT)
endif()
endif()