With Inkscape 1.0, build fails with:
./texi-to-latex.pl sicp.texi
Processing... (may take several minutes)
Done.
./ex-fig-ref.pl -e > exercises.tex; \
./ex-fig-ref.pl -f > figures.tex
inkscape -f /home/fred/sicp-pdf/src/coverpage.svg -C -A /home/fred/sicp-pdf/src/coverpage.pdf
Unknown option -f
make: *** [Makefile:21: coverpage.pdf] Error 1
With Inkscape 1.0, build fails with: