[tlbuild] Gregorio test failures

[Henry So Jr.]

Not dismissing anything in the prior message...

On Friday, 22 January 2016 at 03:33:44 pm +0100, Élie Roux wrote:
> > I wonder if this is perhaps some kind of "permission problem" (limited
> > by kpathsea or some other settings that would prevent the program from
> > reading files outside of current directory or something like that).
> > (Or if it is only a problem on Solaris? But that would be strange.)
> 
> The error message comes from around here:
> 
> https://github.com/gregorio-project/gregorio/blob/master/src/gregorio-utils.c#L92
> 
> after calling realpath, it might be because Solaris doesn't like the
> second argument to be NULL... Gnulibs has an implementations:
> 
> http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/canonicalize-lgpl.c;h=1d0bf6553a75740064addb1f760b2363941c765c;hb=HEAD
> 
> http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/canonicalize.c;h=900f1a3fc9bc6e4810715d989513dde47c5342c3;hb=HEAD
> 
> Maybe we should just install it? Or call with a non-NULL second argument?

In prior discussions with TeX Live developers, installing gnulibs would
make the build process significantly more complicated, so I'd like to
avoid it if possible.

I wonder if kpathsea itself provides something we can directly use for
this.

Henry.