cmake_host_system_information

Query host system specific information.

cmake_host_system_information(RESULT <variable> QUERY <key> ...)

Queries system information of the host system on which cmake runs. One or more <key> can be provided to select the information to be queried. The list of queried values is stored in <variable>.

<key> can be one of the following values:

Key	Description
NUMBER_OF_LOGICAL_CORES	Number of logical cores
NUMBER_OF_PHYSICAL_CORES	Number of physical cores
HOSTNAME	Hostname
FQDN	Fully qualified domain name
TOTAL_VIRTUAL_MEMORY	Total virtual memory in MiB 1
AVAILABLE_VIRTUAL_MEMORY	Available virtual memory in MiB 1
TOTAL_PHYSICAL_MEMORY	Total physical memory in MiB 1
AVAILABLE_PHYSICAL_MEMORY	Available physical memory in MiB 1

New in version 3.10: Additional <key> values are available:

Key	Description
IS_64BIT	One if processor is 64Bit
HAS_FPU	One if processor has floating point unit
HAS_MMX	One if processor supports MMX instructions
HAS_MMX_PLUS	One if processor supports Ext. MMX instructions
HAS_SSE	One if processor supports SSE instructions
HAS_SSE2	One if processor supports SSE2 instructions
HAS_SSE_FP	One if processor supports SSE FP instructions
HAS_SSE_MMX	One if processor supports SSE MMX instructions
HAS_AMD_3DNOW	One if processor supports 3DNow instructions
HAS_AMD_3DNOW_PLUS	One if processor supports 3DNow+ instructions
HAS_IA64	One if IA64 processor emulating x86
HAS_SERIAL_NUMBER	One if processor has serial number
PROCESSOR_SERIAL_NUMBER	Processor serial number
PROCESSOR_NAME	Human readable processor name
PROCESSOR_DESCRIPTION	Human readable full processor description
OS_NAME	See CMAKE_HOST_SYSTEM_NAME
OS_RELEASE	The OS sub-type e.g. on Windows Professional
OS_VERSION	The OS build ID
OS_PLATFORM	See CMAKE_HOST_SYSTEM_PROCESSOR

Footnotes

1(1,2,3,4)

One MiB (mebibyte) is equal to 1024x1024 bytes.