So that .dvi,
.ps, .pdf files can be built,
Automake requires the file texinfo.tex to appear either in
the same directory as the Makefile.am file that lists the
.texi files, or
in the auxiliary directory if you used
configure.ac (see Finding
automake supplies texinfo.tex if the
--add-missing is given.
If you set the
TEXINFO_TEX variable (see Variables for Texinfo),
it overrides the location of the file and turns off its installation
into the source, as well as its distribution.
The option no-texinfo.tex can be used to eliminate the
requirement for the file texinfo.tex. Use of the variable
TEXINFO_TEX is preferable, however, because that allows the