Re: TEXINFO_LIB definitions in Makefiles

[John W. Eaton]

On 11/23/2014 12:16 AM, Rik wrote:
> 11/22/14
>
> John,
>
> I think you're probably the only one who has enough institutional memory
> about why we might have this feature.  The macro OCTAVE_CHECK_LIB in
> m4/acinclude.m4 makes a definition "TEXINFO_LIBNAME = @set HAVE_LIBNAME" in
> all of the Makefiles for each library.  An excerpt from a Makefile on the
> default branch is shown below.
>
> TEXINFO_AMD = @set HAVE_AMD
> TEXINFO_ARPACK =
> TEXINFO_CAMD = @set HAVE_CAMD
> TEXINFO_CCOLAMD = @set HAVE_CCOLAMD
> TEXINFO_CHOLMOD = @set HAVE_CHOLMOD
> TEXINFO_COLAMD = @set HAVE_COLAMD
> TEXINFO_CURL = @set HAVE_CURL
> TEXINFO_CXSPARSE = @set HAVE_CXSPARSE
> TEXINFO_FFTW3 = @set HAVE_FFTW3
> TEXINFO_FFTW3F = @set HAVE_FFTW3F
> TEXINFO_GLPK = @set HAVE_GLPK
> TEXINFO_HDF5 = @set HAVE_HDF5
> TEXINFO_QHULL = @set HAVE_QHULL
> TEXINFO_QRUPDATE = @set HAVE_QRUPDATE
> TEXINFO_UMFPACK = @set HAVE_UMFPACK
> TEXINFO_Z = @set HAVE_Z
>
> I think this might have been intended to be used in the documentation with
> the Texinfo command "@ifset FLAG".  But, we don't use it anywhere.  And our
> goal is to supply the documentation for all of Octave, not just the
> functions that are installed locally.

Right, I originally thought that it would make sense to have the 
documentation include only the functions that were actually available, 
but that causes more trouble than it is worth.

> Any objections to deleting this definition from OCTAVE_CHECK_LIB?

If they are no longer used, then I think it is fine to remove these 
variable definitions.

jwe