[patch] Install libgfortranbegin.a as compiler library instead of system library

[Tom Tromey]

>>>>> "FX" == FX Coudert <fxcoudert@gmail.com> writes:

>> 1. DESTDIR must be supported, so that the toolchain can be installed
>> into an alternate tree, and

FX> That one I tested, and it's working fine.

All automake-generated install rules automatically support DESTDIR.
Only user code (say, an install hook) can mess this up.

FX> install-myexeclibLTLIBRARIES: $(myexeclib_LTLIBRARIES)
FX>          @$(NORMAL_INSTALL)

FX> I don't have a multilibbed system at hand to test it, but I expect
FX> that the presence of NORMAL_INSTALL in the above rule is not a good
FX> thing. Would you know how to correct libgfortran/Makefile.am for this?

Read the GNU coding standards to understand NORMAL_INSTALL and friends
(info node "Install Command Categories").  These are useless but
mandated.  They don't hurt.

Tom