Merge pull request #265 from Mathiasdm/cmake-parallellism

setup.py: detect parallellism instead of using hardcoded -j2
osmcode · Sep 10, 2024 · 52914ad · 52914ad
2 parents 4855a9e + 9457ffb
commit 52914ad
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/setup.py b/setup.py
@@ -103,7 +103,8 @@ def build_extension(self, ext):
             build_args += ['--', '/m']
         else:
             cmake_args += ['-DCMAKE_BUILD_TYPE=' + cfg]
-            build_args += ['--', '-j2']
+            nbr_cpus = os.cpu_count() or 2 # fallback if None is returned
+            build_args += ['--', f'-j{nbr_cpus}']
 
         env = os.environ.copy()
         env['CXXFLAGS'] = '{} -DVERSION_INFO=\\"{}\\"'.format(env.get('CXXFLAGS', ''),