[PATCH 2/5] gcc: configure and Makefile changes needed by jit

[Jeff Law]

On 10/13/14 11:45, David Malcolm wrote:
> gcc/ChangeLog:
> 	* configure.ac (gcc_version): Expose this value for use via
> 	AC_SUBST, since the jit code needs it within the new file
> 	libgccjit.pc.in.
> 	(doc_build_sys): New variable, set to "sphinx" if
> 	sphinx is installed, falling back to "texinfo" otherwise.
> 	(gcc-driver-name.h): Generate a gcc-driver-name.h file containing
> 	GCC_DRIVER_NAME for the benefit of jit/jit-playback.c.
> 	* configure: Regenerate.
> 	* Makefile.in (doc_build_sys): New.
> 	(bindir): New.
> 	(pkgconfigdir): New.
> 	(installdirs): Add creation of $(DESTDIR)$(pkgconfigdir).
> 	(site.exp): When constructing site.exp, add a line to set "bindir".
Mostly OK.  Though a couple questions.

Why do we need pkgconfig and why do you need a bindir in site.exp?

jeff