Unset EMACSLOADPATH in some Makefiles rather than setting it to the default

* leim/Makefile.in (abs_srcdir): Remove.
(RUN_EMACS): Unset EMACSLOADPATH.

* lisp/Makefile.in (abs_srcdir): Remove.
(emacs): Unset EMACSLOADPATH.

leim/ChangeLog

@@ -1,3 +1,8 @@
+2013-11-03  Glenn Morris  <rgm@gnu.org>
+
+	* Makefile.in (abs_srcdir): Remove.
+	(RUN_EMACS): Unset EMACSLOADPATH.
+
 2013-11-02  Glenn Morris  <rgm@gnu.org>
 
 	* Makefile.in (buildlisppath): Remove.

leim/Makefile.in

@@ -25,15 +25,15 @@ SHELL = @SHELL@
 
 # Here are the things that we expect ../configure to edit.
 srcdir=@srcdir@
-abs_srcdir=@abs_srcdir@
 
 # Which Emacs to use to convert TIT files to Emacs Lisp files,
 # byte-compile Emacs Lisp files, and generate the file leim-list.el.
 EMACS = ../src/emacs
 
 # How to run Emacs.
-RUN_EMACS = EMACSLOADPATH="${abs_srcdir}/../lisp" LC_ALL=C \
-	"${EMACS}" -batch --no-site-file --no-site-lisp
+# Prevent any setting of EMACSLOADPATH in user environment causing problems.
+RUN_EMACS = unset EMACSLOADPATH; LC_ALL=C "${EMACS}" -batch \
+	--no-site-file --no-site-lisp
 
 MKDIR_P = @MKDIR_P@
 

lisp/ChangeLog

@@ -1,3 +1,8 @@
+2013-11-03  Glenn Morris  <rgm@gnu.org>
+
+	* Makefile.in (abs_srcdir): Remove.
+	(emacs): Unset EMACSLOADPATH.
+
 2013-11-02  Glenn Morris  <rgm@gnu.org>
 
 	* Makefile.in (EMACS): Use a relative filename.

lisp/Makefile.in

@@ -20,7 +20,6 @@
 SHELL = @SHELL@
 
 srcdir = @srcdir@
-abs_srcdir = @abs_srcdir@
 top_srcdir = @top_srcdir@
 lisp = $(srcdir)
 VPATH = $(srcdir)
@@ -106,8 +105,8 @@ COMPILE_FIRST = \
 	$(lisp)/emacs-lisp/autoload.elc
 
 # The actual Emacs command run in the targets below.
-
-emacs = EMACSLOADPATH="$(abs_srcdir)" LC_ALL=C "$(EMACS)" $(EMACSOPT)
+# Prevent any setting of EMACSLOADPATH in user environment causing problems.
+emacs = unset EMACSLOADPATH; LC_ALL=C "$(EMACS)" $(EMACSOPT)
 
 # Common command to find subdirectories
 setwins=subdirs=`find . -type d -print`; \