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
--HG-- branch : dtrg-buildsystem rename : plat/pc86/build.mk => mach/i386/build.mk rename : plat/pc86/build.mk => mach/i80/build.mk rename : plat/pc86/build.mk => mach/i86/build.mk rename : plat/pc86/build.mk => mach/m68020/build.mk rename : plat/pc86/build.mk => mach/powerpc/build.mk