Fix Ubuntu build with ninja.

Author: Vipon

python/setupEnv/tools/ninja/install.py

@@ -91,6 +91,7 @@ def installNinja():
                 win = WIN_EXEC
             )
     createDir(path)
+    print(path)
     mvFile(execFile, path)
     appendPath(path)
 
@@ -99,6 +100,7 @@ def main():
     cur_version = Version(ninja.get_installed_version())
     new_version = Version(vpy.INSTALL_VERSION)
     if cur_version >= new_version:
+        print('Ninja already installed')
         return
 
     if isMacOsX() and args.default: