Re: Executing a shell script in a Makefile

[G2345C]

Sorry, I am a newbie ... I dont understand.

thanks

--- Noel Yap <address@hidden> wrote:

> This doesn't mean that copyfile.sh is not exiting
> prior to finishing.
> 
> G2345C wrote:
> > because the next statement get executed and it
> failed
> > because foo.o is not yet get copy.
> > 
> > Now if I modified the makefile to this:
> > all :
> >        $(SHELL) ./copyfile.sh
> > then run it.
> > 
> > wait for about 1 minute....
> > then modify the makefile to this:
> > all :
> >        cd $(OBJ_DIR) && mv foo.o newfoo
> > 
> > then run again it work great
> > 
> > Thanks for your help
> > 
> > 
> > 
> > 
> > --- Noel Yap <address@hidden> wrote:
> > 
> > 
> >>Are you sure copyfile.sh doesn't exit until it's
> >>done?  How do you know?
> >>
> >>G2345C wrote:
> >>
> >>
> >>>Sorry for the confusion. My typo problem
> >>>
> >>>the makefile is like this:
> >>>all :
> >>>      $(SHELL) ./copyfile.sh
> >>>      cd $(OBJ_DIR) && mv foo.o newfoo.o
> >>>
> >>>foo.o is a very large file that copy to
> $(OBJ_DIR)
> >>
> >>by
> >>
> >>>the 'copyfile.sh' script.
> >>>While the copy is in progress the 'mv' is
> >>
> >>executing
> >>
> >>>cause it to fail becase foo.c is not yet copy to
> >>
> >>the
> >>
> >>>$(OBJ_DIR)
> >>>
> >>>Thanks
> >>>
> >>>
> >>>
> >>>
> >>>--- "Paul D. Smith" <address@hidden> wrote:
> >>>
> >>>
> >>>
> >>>>%% G2345C <address@hidden> writes:
> >>>>
> >>>> g> How do I ask the make file to wait for the
> >>>>script
> >>>> g> finished its execution then move on to the
> >>
> >>next
> >>
> >>>>step.
> >>>>
> >>>>It always does.
> >>>>
> >>>> g> Look at the 'all' target below, I want to
> >>
> >>wait
> >>
> >>>>for the
> >>>> g> 'copyfile.sh' script finish before 'cd to
> >>>>OBJ_DIR' but
> >>>> g> it always 'cd to OBJ_DIR' before the script
> >>>>finish
> >>>> g> copy file
> >>>>
> >>>>No it doesn't.
> >>>>
> >>>> g> all :
> >>>> g>      $(SHELL) ./copyfile.sh
> >>>> g>      cd $(OBJ_DIR)
> >>>>
> >>>> g> (the script copy several large file, that is
> >>>>how I know it cd to
> >>>> g> the OBJ_DIR before the copy finish)
> >>>>
> >>>>I don't see how the fact that the script copies
> >>>>several large files
> >>>>tells you anything about when the cd runs.
> >>>>
> >>>>
> >>>>Remember that the working directory is a
> function
> >>
> >>of
> >>
> >>>>your current shell,
> >>>>AND that every command make invokes is run in
> its
> >>>>own shell.  So a
> >>>>command like:
> >>>>
> >>>>       cd $(OBJ_DIR)
> >>>>
> >>>>is a complete no-op, since as soon as this
> command
> >>>>is done the shell
> >>>>will exit and there goes your working directory
> >>>>context.
> >>>>
> >>>>-- 
> >>>>
> >>>
> >>>
> >
>
-------------------------------------------------------------------------------
> > 
> >>>>Paul D. Smith <address@hidden>          Find
> some
> >>>>GNU make tips at:
> >>>>http://www.gnu.org                     
> >>>>http://make.paulandlesley.org
> >>>>"Please remain calm...I may be mad, but I am a
> >>>>professional." --Mad Scientist
> >>>>
> >>>
> >>>
> >>>
> >>>=====
> >>>-------------------------
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> >>>-------------------------
> >>>
>
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> >>>address@hidden
> >>>http://lists.gnu.org/mailman/listinfo/help-make
> >>
> > 
> > 
> > =====
> > -------------------------
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> > -------------------------
> > 
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> 


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