Add new make target for native compilation

* lisp/Makefile (LISPN): New variable listing all the valid .eln
targets.
(_ORGCM_):
(compile-native):
(native): New compile target.
(%.eln): Rule how to compile .eln files from .el files.
* mk/default.mk (ELN): Command to perform native compilation of a
single .eln file.
* mk/targets.mk (.PHONY):
(CONF_CALL): List the new targets and variables.
(native): Add target.

lisp/Makefile

@@ -10,7 +10,8 @@ LISPA 	:= $(LISPV) $(LISPI)
 LISPB 	:= $(LISPA:%el=%elc) org-install.elc
 LISPF 	:= $(filter-out $(LISPA),$(sort $(wildcard *.el)))
 LISPC 	:= $(filter-out $(LISPB) $(LISPN:%el=%elc),$(LISPF:%el=%elc))
-_ORGCM_ := dirall single source slint1 slint2
+LISPN 	:= $(filter-out $(LISPB) $(LISPN:%el=%eln),$(LISPF:%el=%eln))
+_ORGCM_ := dirall single native source slint1 slint2
 -include local.mk
 
 .PHONY:	all compile compile-dirty \
@@ -28,6 +29,7 @@ endif
 
 compile-dirall:	dirall
 compile-single: single $(LISPC)
+compile-native: native $(LISPN)
 compile-source:	source dirall
 compile-slint1:	dirall slint1
 compile-slint2:	source dirall slint1
@@ -38,6 +40,8 @@ dirall:
 	@$(ELCDIR)
 single:
 	@$(info ==================== $@ ====================)
+native:
+	@$(info ==================== $@ ====================)
 source: cleanelc
 	@$(info ==================== $@ ====================)
 	@$(foreach elc,$(LISPC),$(MAKE) $(elc) && $(RM) $(elc);)
@@ -49,6 +53,10 @@ slint1:
 	@$(info Compiling single $(abspath $<)...)
 	-@$(ELC) $<
 
+%.eln: %.el
+	@$(info Native compiling single $(abspath $<)...)
+	-@$(ELN) $<
+
 autoloads:	cleanauto $(LISPI) $(LISPV)
 
 $(LISPV):	$(LISPF)

mk/default.mk

@@ -156,6 +156,10 @@ ELCDIR	= $(BATCHL) \
 ELC	= $(BATCHL) \
 	  --eval '(batch-byte-compile)'
 
+# How to native-compile a single file
+ELN	= $(BATCHL) \
+	  --eval '(batch-native-compile)'
+
 # How to make a pdf file from a texinfo file
 TEXI2PDF = texi2pdf --batch --clean --expand
 
@@ -202,6 +206,7 @@ INSTALL_INFO = install-info
 ORGCM	= dirall
 # ORGCM	= dirall #   1x slowdown compared to default compilation method
 # ORGCM	= single #   4x one Emacs process per compilation
+# ORGCM	= native #   4x one Emacs process per native compilation
 # ORGCM	= source #   5x ditto, but remove compiled file immediately
 # ORGCM	= slint1 #   3x possibly elicit more warnings
 # ORGCM	= slint2 #   7x possibly elicit even more warnings

mk/targets.mk

@@ -27,7 +27,7 @@ ifneq ($(GITSTATUS),)
   GITVERSION := $(GITVERSION:.dirty=).dirty
 endif
 
-.PHONY:	all oldorg update update2 up0 up1 up2 single $(SUBDIRS) \
+.PHONY:	all oldorg update update2 up0 up1 up2 single native $(SUBDIRS) \
 	check test install $(INSTSUB) \
 	info html pdf card refcard doc docs \
 	autoloads cleanall clean $(CLEANDIRS:%=clean%) \
@@ -41,7 +41,7 @@ CONF_BASE = EMACS DESTDIR ORGCM ORG_MAKE_DOC
 CONF_DEST = lispdir infodir datadir testdir
 CONF_TEST = BTEST_PRE BTEST_POST BTEST_OB_LANGUAGES BTEST_EXTRA BTEST_RE
 CONF_EXEC = CP MKDIR RM RMR FIND CHMOD SUDO PDFTEX TEXI2PDF TEXI2HTML MAKEINFO INSTALL_INFO
-CONF_CALL = BATCH BATCHL ELC ELCDIR NOBATCH BTEST MAKE_LOCAL_MK MAKE_ORG_INSTALL MAKE_ORG_VERSION
+CONF_CALL = BATCH BATCHL ELC ELN ELCDIR NOBATCH BTEST MAKE_LOCAL_MK MAKE_ORG_INSTALL MAKE_ORG_VERSION
 config-eol:: EOL = \#
 config-eol:: config-all
 config config-all::
@@ -74,6 +74,9 @@ update update2::	up0 all
 single:	ORGCM=single
 single:	compile
 
+native: ORGCM=native
+native: compile
+
 .PRECIOUS:	local.mk
 local.mk:
 	$(info ======================================================)