Skip to content
This repository has been archived by the owner on Jan 3, 2024. It is now read-only.

cmake: workaround _num_cores being 0 under qemu emulation #256

Merged
merged 1 commit into from
Nov 23, 2023
Merged

cmake: workaround _num_cores being 0 under qemu emulation #256

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions cmake/modules/LimitJobs.cmake
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,11 @@ set(MAX_COMPILE_MEM 3500 CACHE INTERNAL "maximum memory used by each compiling j
set(MAX_LINK_MEM 4500 CACHE INTERNAL "maximum memory used by each linking job (in MiB)")

cmake_host_system_information(RESULT _num_cores QUERY NUMBER_OF_LOGICAL_CORES)
# This will never be zero on a real system, but it can be if you're doing
# weird things like trying to cross-compile using qemu emulation.
if(_num_cores EQUAL 0)
set(_num_cores 1)
endif()
cmake_host_system_information(RESULT _total_mem QUERY TOTAL_PHYSICAL_MEMORY)

math(EXPR _avg_compile_jobs "${_total_mem} / ${MAX_COMPILE_MEM}")
Expand Down
Loading