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