[CMake] more targets to run in parallel

Andrea Crotti andrea.crotti.0 at gmail.com
Mon Feb 20 11:03:13 EST 2012


On 02/20/2012 03:50 PM, David Cole wrote:
> On Mon, Feb 20, 2012 at 10:42 AM, Eric Noulard <eric.noulard at gmail.com 
> <mailto:eric.noulard at gmail.com>> wrote:
>
>     2012/2/20 Andrea Crotti <andrea.crotti.0 at gmail.com
>     <mailto:andrea.crotti.0 at gmail.com>>:
>     > On 02/20/2012 03:15 PM, David Cole wrote:
>     >
>     >
>     > Use:
>     >
>     >   COMMAND ls -l
>     >
>     > Not:
>     >
>     >   COMMAND "ls -l"
>     >
>     >
>     > Yes thanks, I started using the "" because I noticed that
>     sometimes they are
>     > needed.
>     > So suppose I want to split the options and the command, this:
>     >
>     > set(myoptions one two three)
>     > set(mycmd ls -l)
>     >
>     > message(${mycmd} ${myoptions})
>     >
>     > will produce
>     > ls-lonetwothree
>     >
>     > Which is not what I want, but with " I get even a more strange
>     result:
>     > message("${mycmd} ${myoptions}")
>     >
>     > ls;-l one;two;three
>     >
>     > and in the list command I don't see any way to simply
>     concatenate two lists,
>     > so how should I merge two different lists to produce a command?
>
>     You may avoid to create a list in the first place:
>     set(myoptions "one two three")
>     instead of
>     set(myoptions one two three)
>
>     see
>     cmake --help-command list
>
>     or you can
>     string(REPLACE ";" " " stringopts "${myoptions}")
>     message(STATUS "${stringopts}")
>
>
>     --
>     Erk
>     Membre de l'April - « promouvoir et défendre le logiciel libre » -
>     http://www.april.org
>
>
>
> If you have:
>
>   set(myoptions one two three)
>   set(mycmd ls -l)
>
> Then:
>
>   COMMAND ${mycmd} ${myoptions}
>
> should give you what you expect. (Regardless of what the "message" 
> command's output is.)
>


Ah yes you're probably right, I tried it and it works.
It would still be nice to understand how to pass generated lists to 
COMMAND, but that's a plus for
the moment, and apparently too hard to get right..
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