From: David Woodhouse > Sent: 28 October 2023 20:35 > > Using -MD without -MP causes build failures when a header file is deleted > or moved. With -MP, the compiler will emit phony targets for the header > files it lists as dependencies, and the Makefiles won't refuse to attempt > to rebuild a C unit which no longer includes the deleted header. Won't a phony target stop a header being built if there is an actual rule to build it? I usually add: %.h: echo "Ignoring stale dependency for $@" Which only applies if there isn't an explicit rule. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
