Issue #5309: distutils' build and build_ext commands now accept a ``-j``
option to enable parallel building of extension modules.
diff --git a/Lib/distutils/command/build.py b/Lib/distutils/command/build.py
index cfc15cf..337dd0b 100644
--- a/Lib/distutils/command/build.py
+++ b/Lib/distutils/command/build.py
@@ -36,6 +36,8 @@
"(default: %s)" % get_platform()),
('compiler=', 'c',
"specify the compiler type"),
+ ('parallel=', 'j',
+ "number of parallel build jobs"),
('debug', 'g',
"compile extensions and libraries with debugging information"),
('force', 'f',
@@ -65,6 +67,7 @@
self.debug = None
self.force = 0
self.executable = None
+ self.parallel = None
def finalize_options(self):
if self.plat_name is None:
@@ -116,6 +119,12 @@
if self.executable is None:
self.executable = os.path.normpath(sys.executable)
+ if isinstance(self.parallel, str):
+ try:
+ self.parallel = int(self.parallel)
+ except ValueError:
+ raise DistutilsOptionError("parallel should be an integer")
+
def run(self):
# Run all relevant sub-commands. This will be some subset of:
# - build_py - pure Python modules