OK, I think It is better to stick to my first option. That looks better. Thank you for all your suggestions.
Abid K. On Mon, Jun 30, 2014 at 4:56 PM, Jakub Zakrzewski <[email protected]> wrote: > That's because now you've set prefix to empty string and it'll be > expanded to nothing. VERBATIM made the empty quotes appear because they > were put directly as parameter. > > > > I think if you set(prefix "\"\"") it'll do the trick. > > > > *From:* CMake [mailto:[email protected]] *On Behalf Of *abid rahman > *Sent:* Montag, 30. Juni 2014 13:14 > *To:* Nils Gladitz > *Cc:* [email protected] > *Subject:* Re: [CMake] Passing empty arguments to add_custom_command > > > > Thank you Nils, VERBATIM really worked for me as shown below: > > *add_custom_command(* > > * OUTPUT ${some_files}* > > * COMMAND ${PYTHON_EXECUTABLE} test.py "" ${src} ${dst}* > > * DEPENDS ${....... all deps ......}* > > * VERBATIM )* > > > > But now got a new question. I tried setting a variable and passing it, but > it didn't work. as shown below: > > > *set(prefix "") add_custom_command(* > > * OUTPUT ${some_files}* > > * COMMAND ${PYTHON_EXECUTABLE} test.py ${prefix} ${src} ${dst}* > > * DEPENDS ${....... all deps ......} )* > > > > Any idea why? > > > Abid K. > > > > On Mon, Jun 30, 2014 at 1:35 PM, Nils Gladitz <[email protected]> > wrote: > > On 06/30/2014 09:42 AM, abid rahman wrote: > > Hello, > > I need to execute following command with add_custom_command: > > *python test.py "" src dst* > > > > The first argument is empty. Sometimes it may have some text. So Python > process the args as [test.py, "", src, dst]. But when I do the same with > add_custom_command, the empty argument is not considered, instead src is > considered as second argument. > > I did it as follows: > > *add_custom_command( > * > * OUTPUT ${some_files} > * > * COMMAND ${PYTHON_EXECUTABLE} test.py "" ${src} ${dst} > * > * DEPENDS ${....... all deps ......} )* > > > > So what is the best method to pass empty arguments to cmake > add_custom_command? > Abid K. > > > Try adding VERBATIM. > > Nils > > >
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