Here is a patch. There is a thing that made this bug a real pain to debug: Package does not build twice in a row. I'll report this separately.
From: Santiago Vila <sanv...@debian.org> Subject: Modify two Makefile.in files to avoid /usr/share/info/dir.gz
--- a/doc/Makefile.in +++ b/doc/Makefile.in @@ -590,8 +590,7 @@ done; \ done @$(POST_INSTALL) - @if (install-info --version && \ - install-info --version 2>&1 | sed 1q | grep -i -v debian) >/dev/null 2>&1; then \ + @if false; then \ list='$(INFO_DEPS)'; \ for file in $$list; do \ relfile=`echo "$$file" | sed 's|^.*/||'`; \ --- a/xslt/documentation/Makefile.in +++ b/xslt/documentation/Makefile.in @@ -480,8 +480,7 @@ done; \ done @$(POST_INSTALL) - @if (install-info --version && \ - install-info --version 2>&1 | sed 1q | grep -i -v debian) >/dev/null 2>&1; then \ + @if false; then \ list='$(INFO_DEPS)'; \ for file in $$list; do \ relfile=`echo "$$file" | sed 's|^.*/||'`; \
