diff options
Diffstat (limited to 'Modules/ProcessorCount.cmake')
| -rw-r--r-- | Modules/ProcessorCount.cmake | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Modules/ProcessorCount.cmake b/Modules/ProcessorCount.cmake index e4b4e53..8c25256 100644 --- a/Modules/ProcessorCount.cmake +++ b/Modules/ProcessorCount.cmake @@ -70,6 +70,20 @@ function(ProcessorCount var) endif() if(NOT count) + # Linux (systems with nproc): + # Prefer nproc to getconf if available as getconf may return the host CPU count in Linux containers + find_program(ProcessorCount_cmd_nproc nproc) + mark_as_advanced(ProcessorCount_cmd_nproc) + if(ProcessorCount_cmd_nproc) + execute_process(COMMAND ${ProcessorCount_cmd_nproc} + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE + OUTPUT_VARIABLE count) + #message("ProcessorCount: trying nproc '${ProcessorCount_cmd_nproc}'") + endif() + endif() + + if(NOT count) # Linux (systems with getconf): find_program(ProcessorCount_cmd_getconf getconf) mark_as_advanced(ProcessorCount_cmd_getconf) |