Re: [PATCH] gnulib: Define argv[0] as program_name for error.c on Darwin

[Paul Eggert]

Richard W.M. Jones wrote:
> fter some experimentation she came up with the attached patch, which
> she has tested, and which allows argv[0] to be found by calling a
> function `_NSGetArgv' (which of course only exists on OS X).

Yes, unfortunately this appears to be a fix that will solve the problem only on 
OS X.  We need a fix that will work on all platforms.

Perhaps change progname.h to understand the problem, and have error.c use 
progname.h?