#4728 Building German documentation fails with texinfo-7.3

[Ulrich Müller]

Forwarding Gentoo Linux bug https://bugs.gentoo.org/973233:

Making all in doc
make[1]: Entering directory '/tmp/portage/sci-mathematics/maxima-5.49.0/work/maxima-5.49.0/doc'
Making all in info
make[2]: Entering directory '/tmp/portage/sci-mathematics/maxima-5.49.0/work/maxima-5.49.0/doc/info'
Making all in de
make[3]: Entering directory '/tmp/portage/sci-mathematics/maxima-5.49.0/work/maxima-5.49.0/doc/info/de'
restore=: && backupdir=".am$$" && \
am__cwd=`pwd` && CDPATH="${ZSH_VERSION+.}:" && cd . && \
rm -rf $backupdir && mkdir $backupdir && \
if (/usr/bin/makeinfo --version) >/dev/null 2>&1; then \
  for f in maxima.info maxima.info-[0-9] maxima.info-[0-9][0-9] maxima.i[0-9] maxima.i[0-9][0-9]; do \
    if test -f $f; then mv $f $backupdir; restore=mv; else :; fi; \
  done; \
else :; fi && \
cd "$am__cwd"; \
if /usr/bin/makeinfo  --enable-encoding -I . -I .. -I ../.. ./.. -I . \
 -o maxima.info maxima.texi; \
then \
  rc=0; \
  CDPATH="${ZSH_VERSION+.}:" && cd .; \
else \
  rc=$?; \
  CDPATH="${ZSH_VERSION+.}:" && cd . && \
  $restore $backupdir/* `echo "./maxima.info" | sed 's|[^/]*$||'`; \
fi; \
rm -rf $backupdir; exit $rc
Encoding name should not be undef at /usr/share/texi2any/Texinfo/ParserNonXS.pm line 2684.
make[3]: *** [Makefile:424: maxima.info] Error 21
make[3]: Leaving directory '/tmp/portage/sci-mathematics/maxima-5.49.0/work/maxima-5.49.0/doc/info/de'
make[2]: *** [Makefile:629: all-recursive] Error 1
make[2]: Leaving directory '/tmp/portage/sci-mathematics/maxima-5.49.0/work/maxima-5.49.0/doc/info'
make[1]: *** [Makefile:409: all-recursive] Error 1
make[1]: Leaving directory '/tmp/portage/sci-mathematics/maxima-5.49.0/work/maxima-5.49.0/doc'
make: *** [Makefile:467: all-recursive] Error 1

The problem is a missing -I in doc/info/de/Makefile.am. Attached patch fixes the problem for me.

[Dan Gildea]

fixed by [a839c242178862f67880683b18ad0725de6fe2d3]