From e9f9ac51bded33e24a15378a1754de6aa985a2b6 Mon Sep 17 00:00:00 2001
From: japm48 <japm48@users.noreply.github.com>
Date: Fri, 17 Apr 2020 05:06:10 +0200
Subject: grc: use cmake --build instead of make
This allows the use of other toolchains (ninja, MSVC, etc.).
Also, use all available CPU cores (equivalent of "make -j$(nproc)").
---
grc/gui/Utils.py | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
(limited to 'grc/gui/Utils.py')
diff --git a/grc/gui/Utils.py b/grc/gui/Utils.py
index 5d710532bd..7538da75ff 100644
--- a/grc/gui/Utils.py
+++ b/grc/gui/Utils.py
@@ -9,6 +9,7 @@ SPDX-License-Identifier: GPL-2.0-or-later
from __future__ import absolute_import
from sys import platform
+import os
import numbers
from gi.repository import GLib
@@ -174,3 +175,21 @@ def get_modifier_key(angle_brackets=False):
return "<Ctrl>"
else:
return "Ctrl"
+
+
+_nproc = None
+def get_cmake_nproc():
+ """ Get number of cmake processes for C++ flowgraphs """
+ global _nproc # Cached result
+ if _nproc:
+ return _nproc
+ try:
+ # See https://docs.python.org/3.8/library/os.html#os.cpu_count
+ _nproc = len(os.sched_getaffinity(0))
+ except:
+ _nproc = os.cpu_count()
+ if not _nproc:
+ _nproc = 1
+
+ _nproc = max(_nproc//2 - 1, 1)
+ return _nproc
--
cgit v1.2.3