Re: Making all export clean parallel, but export before all

[Noel Yap]

Order rules (ie the pipe) are a new feature in GNU make 3.80.  You'll have to 
upgrade in order to take advantage of them.

Alexander Farber wrote:

> > Boris Kolpackov wrote:
> > $(SUBDIRS): | export
>
>
> Sorry, but (with gmake 3.79.1) this gives me:
>
>     bolinux72:para-test {578} gmake
>     gmake: *** No rule to make target `|', needed by `a'.  Stop.
>
>     bolinux72:para-test {577} cat Makefile 
>     SUBDIRS = a b
>
>     all: export
>
>     all export clean: $(SUBDIRS)
>
>     $(SUBDIRS): | export
>
>     $(SUBDIRS): %: %/SubMakefile
>             $(MAKE) -C $@ -f $(notdir $<) $(MAKECMDGOALS)
>
>     # TODO a rule for %/SubMakefiles
>
>     .PHONY: all export clean $(SUBDIRS)
>
> And without the pipe I get:
>
>     gmake: Circular b <- export dependency dropped.
>
>
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