CVS psmith make: Fix Debian bug #144306: pass target-specific variables into the environment

[Paul D. Smith <address@hidden>]

CVSROOT:        /cvsroot/make
Module name:    make
Changes by:     psmith  02/05/09 23:15:08

Modified files:
        .              : ChangeLog Makefile.am README.cvs acinclude.m4 
                         configure.in expand.c file.c function.c 
                         getloadavg.c main.c make.h misc.c variable.c 
                         variable.h 
        tests          : ChangeLog 
        tests/scripts/functions: call 

Log message:
Fix Debian bug #144306: pass target-specific variables into the environment
properly.

Fix configure: allow cross-compilation; fix getloadavg (still needs _lots_
of work!)

Let $(call ...) functions to be self-referencing.  Lets us do transitive
closures, for example.