An afterthought, much my trouble was caused because hugin did override a valid TMPDIR enviroment variable even though I did not enter any value for the tempdir in hugin GUI preferences..
Did not test if this still happens with newest hugin.
An afterthought, much my trouble was caused because hugin did override a valid TMPDIR enviroment variable even though I did not enter any value for the tempdir in hugin GUI preferences..
Did not test if this still happens with newest hugin.