3 # A rule to make precompiler output from C files. This is not used during
4 # ordinary builds, but but can very useful in debugging problems on strange
5 # architectures. With this rule, we can ask users to 'make foo.i' and send
8 # It touches some automake internals ($COMPILE), but since it's not
9 # build-critical, that's OK.
11 $(COMPILE) -E -o $@ $<