Made a start on building the runtimes for each platform and language; the

Linuxes all build.

--HG--
branch : dtrg-buildsystem
rename : modules/src/em_mes/build.mk => modules/src/read_em/build.mk
rename : plat/pc86/build.mk => plat/linux386/build.mk
rename : plat/pc86/build.mk => plat/linux68k/build.mk
rename : plat/pc86/build.mk => plat/linuxppc/build.mk
rename : util/ack/build.mk => util/misc/build.mk

plat/cpm/build.mk

@@ -4,11 +4,31 @@ OPTIMISATION := -O
 
 D := plat/cpm
 
-$(eval $(call build-platform, \
+platform-headers := \
 	ack/config.h \
 	cpm.h \
-	unistd.h \
-))
+	unistd.h
+
+platform-libsys := \
+	_bdos.s \
+	_hol0.s \
+	_inn2.s \
+	_trap.s \
+	brk.c \
+	close.c \
+	creat.c \
+	errno.s \
+	getpid.c \
+	isatty.c \
+	kill.c \
+	lseek.c \
+	open.c \
+	read.c \
+	signal.c \
+	time.c \
+	write.c
+
+$(eval $(call build-platform))
+
 
-include plat/cpm/libsys/build.mk
 

plat/cpm/libsys/build.mk

@@ -1,28 +0,0 @@
-D := plat/cpm/libsys
-
-define build-cpm-libsys-impl
-	$(call reset)
-	$(call ackfile, $D/_bdos.s)
-	$(call ackfile, $D/_hol0.s)
-	$(call ackfile, $D/_inn2.s)
-	$(call ackfile, $D/_trap.s)
-	$(call ackfile, $D/brk.c)
-	$(call ackfile, $D/close.c)
-	$(call ackfile, $D/creat.c)
-	$(call ackfile, $D/errno.s)
-	$(call ackfile, $D/getpid.c)
-	$(call ackfile, $D/isatty.c)
-	$(call ackfile, $D/kill.c)
-	$(call ackfile, $D/lseek.c)
-	$(call ackfile, $D/open.c)
-	$(call ackfile, $D/read.c)
-	$(call ackfile, $D/signal.c)
-	$(call ackfile, $D/time.c)
-	$(call ackfile, $D/write.c)
-
-	$(call acklibrary, $(LIBDIR)/$(PLATFORM)/libsys.a)
-	$(call installto, $(PLATIND)/$(PLATFORM)/libsys.a)
-endef
-
-$(eval $(build-cpm-libsys-impl))
-