Il 27/11/2012 17:49, Markus Armbruster ha scritto: >>> +%/translate.o: CFLAGS := $(patsubst -O2,-O1,$(CFLAGS)) >>> + >> >> This may change some string argument in CFLAGS, for example an argument >> to -I. >> >> How about: >> >> CFLAGS_opt = -O2 >> CFLAGS += $(CFLAGS_opt) >> ... >> %/translate.o: CFLAGS_opt = -O1 > > Just append -O1 to CFLAGS; the last -O wins.
But you don't want to override -O0... Anyhow, v2 was posted and does it in a different, more fine-grained manner. Paolo