
The mkdir command in the Installation from Source Short Version docs didn't use the -p intermediate path creation parameter which likely would cause the command to fail. At the time of writing, -p wasn't universally available but it can now be relied upon existing. The -p parameter is defined by POSIX, at least since posix-2004. Reported-by: Daniel Westermann <daniel.westermann@dbi-services.com> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/ZR0P278MB0920263E7F2D546A33E50079D20E9@ZR0P278MB0920.CHEP278.PROD.OUTLOOK.COM