gn-parallel.patch

description: respect specified number of parallel jobs while bootstrapping gn
author: Michael Gilbert <mgilbert@debian.org>

--- a/tools/gn/bootstrap/bootstrap.py
+++ b/tools/gn/bootstrap/bootstrap.py
@@ -47,6 +47,7 @@ def main(argv):
       help='The directory in which to build gn, '
       'relative to the src directory. (eg. out/Release)')
   parser.add_option('-v', '--verbose', help='ignored')
+  parser.add_option('-j', '--jobs', help='Number of jobs')
   parser.add_option(
       '--skip-generate-buildfiles',
       action='store_true',
@@ -78,8 +79,12 @@ def main(argv):
 
   shutil.copy2(
       os.path.join(BOOTSTRAP_DIR, 'last_commit_position.h'), gn_build_dir)
-  subprocess.check_call(
-      ['ninja', '-C', gn_build_dir, 'gn', '-w', 'dupbuild=err'])
+  if options.jobs:
+    subprocess.check_call(
+        ['ninja', '-C', gn_build_dir, 'gn', '-w', 'dupbuild=err', '-j'+str(options.jobs)])
+  else:
+    subprocess.check_call(
+        ['ninja', '-C', gn_build_dir, 'gn', '-w', 'dupbuild=err'])
   shutil.copy2(os.path.join(gn_build_dir, 'gn'), gn_path)
 
   if not options.skip_generate_buildfiles: