foreach(in_file ${ARGN})
....
ADD_CUSTOM_COMMAND(
OUTPUT ${IDL_OUTPUT_DIR}/${out_file}.h
${IDL_OUTPUT_DIR}/${out_file}.tlb
DEPENDS ${in_file}
COMMAND(${MIDL_EXECUTABLE} ${in_file} <insert other args here>
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
....
endforeach()
i'm using this to generate files from IDL files so i can neatly list them
and because there is no way to set the working directory for the midl tool
in cmake
I didn't put the rest of the file here because it's on another computer
and i had to copy this by writing it.
from what i read in the "Mastering CMake" book, the DEPENDS thing should
work.
I'v had 2 variations to the value, with absolute path and with relative,
neither work.
I checked that they were correct by writing the value out with the
'message' command and by testing the path printed out.
Did i miss something?
-mika
"Rolf Eike Beer" <e...@sf-mail.de>
Sent by: cmake-boun...@cmake.org
08.03.2011 12:53
To
cmake@cmake.org
cc
Subject
Re: [CMake] Run/build custom command/target only when "input" files change
> Hi
>
> I have created a custom command that generates source code for me.
>
> There is a slight annoyance still, the command is excecuted every single
> time i tell the compiler to build.
>
> Can I make it so that it runs the program only when the source file
> changes or the target file doesn't exist?
>
> I looked at the documentation for add_custom_command and
add_custom_target
> but found no direct anwser from either.
>
> I tried using dependencies but nothing came out of that for me.
Then show us some code on how you defined that command.
Eike
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_______________________________________________
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