[Bug 223662] astro/astrometry: Makefile uname system call generates non-deterministic output and this causes port to not be reproducible

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223662

            Bug ID: 223662
           Summary: astro/astrometry: Makefile uname system call generates
                    non-deterministic output and this causes port to not
                    be reproducible
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: Individual Port(s)
          Assignee: freebsd-ports-bugs at FreeBSD.org
          Reporter: mdk369 at nyu.edu

Created attachment 187987
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=187987&action=edit
Modifies makefile uname system call directive from '-a' to '-o' to allow for
reproducible output

Hello, I am posting this report to further the agenda of reproducible builds
(wiki.freebsd.org/ReproducibleBuilds)

In this particular port, a system call, 'uname -a' is generating
non-deterministic output on some builds with differing timestamps and node
names.

A remedy is attached, changing the directive from -all to --operating-system
allows this port to build in a reproducible fashion.

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