Bug#924858: doxygen: FTBFS: make[4]: *** [doc/CMakeFiles/doxygen_pdf.dir/build.make:62: doc/CMakeFiles/doxygen_pdf] Error 1

[Paolo Greppi <paolo.greppi@libpf.com>]

unreproducible here, relevant part:
...
make[4]: ingresso nella directory "/tmp/doxygen-1.8.13/build"
[100%] Generating Doxygen Manual PDF.
cd /tmp/doxygen-1.8.13/build/latex && /usr/bin/cmake -E remove refman.tex
cd /tmp/doxygen-1.8.13/build/latex && /usr/bin/cmake -E copy /tmp/doxygen-1.8.13/build/doc/doxygen_manual.tex .
cd /tmp/doxygen-1.8.13/build/latex && /usr/bin/cmake -E copy /tmp/doxygen-1.8.13/build/doc/manual.sty .
cd /tmp/doxygen-1.8.13/build/latex && /usr/bin/epstopdf /tmp/doxygen-1.8.13/doc/doxygen_logo.eps --outfile=doxygen_logo.pdf
cd /tmp/doxygen-1.8.13/build/latex && /usr/bin/pdflatex -shell-escape doxygen_manual.tex
This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2019/dev/Debian) (preloaded format=pdflatex)
 \write18 enabled.
entering extended mode
(./doxygen_manual.tex
LaTeX2e <2018-12-01>

cd /tmp/doxygen-1.8.13/build/latex && /usr/bin/makeindex doxygen_manual.idx
...

Paolo