Re: docs not building

[John W. Eaton]

On 07/08/2015 08:34 AM, Mike Miller wrote:

> I think in general once the current directory is changed you lose all
> assumptions about the relationship between the source directory and
> build directory so that's a downside to cd'ing.
>
> I can also get your change to work for me by changing:
>
>         -$(AM_V_TEX)cd $(@D) && \
> -       TEXINPUTS="$(srcdir)/doc/refcard:$(TEXINPUTS):" \
> +       TEXINPUTS="$(abs_srcdir)/doc/refcard:$(TEXINPUTS):" \
>         $(TEX) $(<F) $(AM_V_texidevnull)
>
> so maybe that's a better workaround.

Ah, I think the reason it was working for me is that I was configuring with

  ~/src/octave/configure ...

so $srcdir was already absolute.

> We might want to do the same to the definition of TEXINPUTS elsewhere
> if the current directory is going to be changing, the other relative
> directories in that search path also become invalid.

Yes, so any place where the directory changes in a command, we need to 
be careful about using $abs_srcdir vs. $srcdir.

jwe