In the manual of make, there is an example how to generate
prerequisite-rules automatically. It doesn't work for targets in
subdirectories because gcc doesn't print the directory of the target.
Here's how it works: (the sed command is changed in 2 places)
%.d: %.c
set -e; echo "Making $@"; $(CC) -MM $(CPPFLAGS) $< \
| sed 's#\($(*F)\)\.o[ :]*#\$*.o $@ : #g' > $@; \
[ -s $@ ] || rm -f $@
I there's no pitfall in my rule, the manual should probably be updated.
--
Sebastian Setzer ([EMAIL PROTECTED])
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