Top, topgen, aelflod. Moved the libraries back into the platform-specific

directories --- wrangling descr files was too hard. C programs can be built
for cpm, pc86, linux386, linux68k!

--HG--
branch : dtrg-buildsystem
rename : util/ack/build.mk => util/led/build.mk
rename : util/LLgen/build.mk => util/topgen/build.mk

util/LLgen/build.mk

@@ -46,6 +46,7 @@ $o: $1/Lpars.h
 $1/Lpars.h: $2 $(LLGEN)
 	@echo LLGEN $1/Lpars.c
 	@mkdir -p $(dir $o)
+	$(hide) $(RM) $o $1/Lpars.h
 	$(hide) cd $(dir $o) && $(LLGEN) $(abspath $2)
 
 $(foreach f,$o,$(call cfile,$f))

util/amisc/build.mk

@@ -19,4 +19,5 @@ $(call build-simple-tool,ashow)
 $(call build-simple-tool,asize)
 $(call build-simple-tool,aslod)
 $(call build-simple-tool,astrip)
+$(call build-simple-tool,aelflod)
 

util/data/build.mk

@@ -22,6 +22,9 @@ $(call cfile, $(OBJDIR)/$D/em_flag.c)
 $(call cfile, $(OBJDIR)/$D/em_pseu.c)
 $(call cfile, $(OBJDIR)/$D/em_mnem.c)
 $(call cfile, $D/em_ptyp.c)
+
+$(eval $q: $g)
+
 $(call clibrary, $(LIBDIR)/libem_data.a)
 $(eval LIBEM_DATA := $q)
 

util/led/build.mk

@@ -0,0 +1,34 @@
+D := util/led
+
+define build-led-impl
+	$(call reset)
+	$(call cfile, $D/archive.c)
+	$(call cfile, $D/error.c)
+	$(call cfile, $D/extract.c)
+	$(call cfile, $D/finish.c)
+	$(call cfile, $D/main.c)
+	$(call cfile, $D/memory.c)
+	$(call cfile, $D/output.c)
+	$(call cfile, $D/read.c)
+	$(call cfile, $D/relocate.c)
+	$(call cfile, $D/save.c)
+	$(call cfile, $D/scan.c)
+	$(call cfile, $D/sym.c)
+	$(call cfile, $D/write.c)
+
+	$(call file, $(LIBSTRING))
+	$(call file, $(LIBOBJECT))
+
+	$(call cprogram, $(BINDIR)/em_led)
+	$(call installto, $(PLATDEP)/em_led)
+
+	$(call reset)
+	$(eval q := $D/ack.out.5)
+	$(call installto, $(INSDIR)/share/man/man5/ack.out.5)
+
+	$(call reset)
+	$(eval q := $D/led.6)
+	$(call installto, $(INSDIR)/share/man/man6/led.6)
+endef
+
+$(eval $(build-led-impl))

util/ncgg/build.mk

@@ -32,6 +32,8 @@ $(OBJDIR)/$D/enterkeyw.c: $D/cvtkeywords $D/keywords
 	$(hide) cd $$(dir $$@) && sh $(abspath $D/cvtkeywords) $(abspath $D/keywords)
 $(call cfile, $(OBJDIR)/$D/enterkeyw.c)
 
+$(eval $q: $(INCDIR)/em_spec.h)
+
 $(call file, $(LIBEM_DATA))
 $(call cprogram, $(BINDIR)/ncgg)
 $(eval NCGG := $o)

util/topgen/build.mk

@@ -0,0 +1,50 @@
+D := util/topgen
+
+# Rule to build topgen.
+
+define build-topgen-impl
+	$(call reset)
+	$(eval cflags += -I$(OBJDIR)/$D -I$D)
+
+	$(call cfile, $D/LLlex.c)
+	$(call cfile, $D/hash.c)
+	$(call cfile, $D/main.c)
+	$(call cfile, $D/pattern.c)
+	$(call cfile, $D/symtab.c)
+	$(eval $q: $(OBJDIR)/$D/Lpars.h)
+
+	$(call llgen, $(OBJDIR)/$D, $D/topgen.g)
+
+	$(call file, $(LIBASSERT))
+	$(call file, $(LIBPRINT))
+	$(call file, $(LIBALLOC))
+	$(call file, $(LIBSYSTEM))
+	$(call file, $(LIBSTRING))
+
+	$(call cprogram, $(BINDIR)/topgen)
+	TOPGEN := $o
+endef
+
+$(eval $(build-topgen-impl))
+
+# Rule to invoke to *use* LLgen.
+#
+#  $1: directory to put output files
+#  $2: input files
+#
+# Output files are *not* compiled (gen.c is expected to be included by
+# something).
+
+define topgen-impl
+$(eval CLEANABLES += $1/gen.h $1/gen.c)
+
+$1/gen.h: $1/gen.c
+$1/gen.c: $2 $(TOPGEN)
+	@echo TOPGEN $$@
+	@mkdir -p $$(dir $$@)
+	$(hide) $(RM) $1/gen.h $1/gen.c
+	$(hide) cd $$(dir $$@) && $(abspath $(TOPGEN)) $(abspath $2)
+
+endef
+
+topgen = $(eval $(call topgen-impl,$1,$2))