James <[email protected]> wrote:
> all:
> for f in xx yy; do\
> (make $$f &);\
> done;\
> wait
> @echo [ $@:done ]
>
> xx yy:
> sleep 2
> @echo [ $@:done ]
>
>
> How do I put backgroud jobs in makefile?
> "wait" does not seem to work here.
The right way to do it:
Makefile:
-8<-------------------------
all: xx yy
xx yy:
sleep 2
@echo [ $@:done ]
-8<-------------------------
Then, at the command prompt type:
make -j 5
The number after -j is the maximum number of simultaneous jobs that make
will spawn. It is also possible (but sometimes dangerous) to not give any
number att all:
make -j
Then make does not limit the number of simultaneous jobs spawned.
regards Henrik
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