[Build-common-hackers] CFLAGS and implicit rules

[Colin Walters]

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On Fri, 2004-04-09 at 08:51, Tom Huckstep wrote:

> I've thought of "override CFLAGS +=3D $(UPSTREAM_CFLAGS)" but it's not ni=
ce.=20

What's not nice about it?

The alternative is to explicitly list $(UPSTREAM_CFLAGS) in the pattern
rules.  e.g.:

%.o: %.c
  $(CC) -c $(CFLAGS) $(CPPFLAGS) $(UPSTREAM_CFLAGS) $< -o $@


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