From 12a78e5e745556c29e45b7716a8b038ecfbff800 Mon Sep 17 00:00:00 2001 From: Matt Smith Date: Wed, 5 Aug 2020 18:39:44 +0100 Subject: [PATCH] cmake: Use job pool feature to limit concurrent jobs Add two new options, MONERO_PARALLEL_COMPILE_JOBS and MONERO_PARALLEL_LINK_JOBS to try and prevent running out of memory when building everything. Requires >= cmake 3.0.0, and the use of the Ninja generator. Useful links: * https://cmake.org/cmake/help/latest/prop_gbl/JOB_POOLS.html * https://reviews.llvm.org/D6304 --- CMakeLists.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/CMakeLists.txt b/CMakeLists.txt index f63c07a35..3729a6b65 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -55,6 +55,20 @@ else() message(STATUS "ccache deselected") endif() +if (${CMAKE_VERSION} VERSION_GREATER "3.0.0" AND CMAKE_MAKE_PROGRAM MATCHES "ninja") + set(MONERO_PARALLEL_COMPILE_JOBS "" CACHE STRING "The maximum number of concurrent compilation jobs.") + if (MONERO_PARALLEL_COMPILE_JOBS) + set_property(GLOBAL APPEND PROPERTY JOB_POOLS compile_job_pool=${MONERO_PARALLEL_COMPILE_JOBS}) + set(CMAKE_JOB_POOL_COMPILE compile_job_pool) + endif () + + set(MONERO_PARALLEL_LINK_JOBS "" CACHE STRING "The maximum number of concurrent link jobs.") + if (MONERO_PARALLEL_LINK_JOBS) + set_property(GLOBAL APPEND PROPERTY JOB_POOLS link_job_pool=${MONERO_PARALLEL_LINK_JOBS}) + set(CMAKE_JOB_POOL_LINK link_job_pool) + endif () +endif() + enable_language(C ASM) function (die msg)