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authorjapm48 <japm48@users.noreply.github.com>2020-04-17 05:06:10 +0200
committerMichael Dickens <michael.dickens@ettus.com>2020-04-26 18:59:26 -0400
commite9f9ac51bded33e24a15378a1754de6aa985a2b6 (patch)
treefe1197fd6cf052240711b31aa420f6de273f6309 /grc/gui/Utils.py
parent3e62d311565dfcccffaf4a380f399db4d0df9c98 (diff)
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)").
Diffstat (limited to 'grc/gui/Utils.py')
-rw-r--r--grc/gui/Utils.py19
1 files changed, 19 insertions, 0 deletions
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