GoogleTest hello world.

./build and ./test work automatically when cwd is inside userland/libs/XXX
without --package-all.

build-userland-in-tree

@@ -10,16 +10,19 @@ build_userland = lkmc.import_path.import_path_relative_root('build-userland')
 
 class Main(build_userland.Main):
     def __init__(self):
+        defaults = {
+            'archs': [platform.processor()],
+            'gcc_which': 'host',
+            'in_tree': True,
+            'targets': ['.'],
+        }
+        if self.cwd_in_lib():
+            defaults['package_all'] = True
         super().__init__(
             description='''\
 https://cirosantilli.com/linux-kernel-module-cheat#userland-setup-getting-started-natively
 ''',
-            defaults={
-                'archs': [platform.processor()],
-                'gcc_which': 'host',
-                'in_tree': True,
-                'targets': ['.'],
-            }
+            defaults=defaults
         )
 
 if __name__ == '__main__':