[Octave-bug-tracker] [bug #55916] pdfTeX warnings in build: found PDF version <1.7>, but at most version <1.5> allowed

[Andrew Janke]

URL:
  <https://savannah.gnu.org/bugs/?55916>

                 Summary: pdfTeX warnings in build: found PDF version <1.7>,
but  at most version <1.5> allowed
                 Project: GNU Octave
            Submitted by: apjanke
            Submitted on: Thu 14 Mar 2019 09:37:10 AM UTC
                Category: Configuration and Build System
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Other
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Mac OS

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Details:

When building default, I'm getting lots of warnings about a too-new version of
an included PDF.

Example:


pdfTeX warning: pdfetex (file
/private/tmp/octave-default-20190314-85390-suxuro
/doc/interpreter/splinefit6.pdf): PDF inclusion: found PDF version <1.7>, but
a
t most version <1.5> allowed
 </private/tmp/octave-default-20190314-85390-suxuro/doc/interpreter/splinefit6.
pdf> [786] [787] [788])
(/private/tmp/octave-default-20190314-85390-suxuro/doc/interpreter/interp.texi
Chapter 29 [789] [790] [791]

pdfTeX warning: pdfetex (file
/private/tmp/octave-default-20190314-85390-suxuro
/doc/interpreter/interpderiv1.pdf): PDF inclusion: found PDF version <1.7>,
but
 at most version <1.5> allowed
 </private/tmp/octave-default-20190314-85390-suxuro/doc/interpreter/interpderiv
1.pdf> [792]

pdfTeX warning: pdfetex (file
/private/tmp/octave-default-20190314-85390-suxuro
/doc/interpreter/interpderiv2.pdf): PDF inclusion: found PDF version <1.7>,
but
 at most version <1.5> allowed
 </private/tmp/octave-default-20190314-85390-suxuro/doc/interpreter/interpderiv
2.pdf> [793]

pdfTeX warning: pdfetex (file
/private/tmp/octave-default-20190314-85390-suxuro
/doc/interpreter/interpft.pdf): PDF inclusion: found PDF version <1.7>, but at

most version <1.5> allowed
 </private/tmp/octave-default-20190314-85390-suxuro/doc/interpreter/interpft.pd
f> [794] [795] [796] [797]


Full build logs: https://gist.github.com/0abf93cef8ac9caf7ca80f7db6008e1

I can't tell where these PDFs are ending up in the final generated
documentation, so I can't tell if something is actually going wrong. I
examined the doc/interpreter/*.pdf files in the build directory, and most of
them look like plots that are missing the actual plot graphics (only axes
labels are visible), but I don't know if that's expected.




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