[CMake] OUTPUT_REQUIRED_FILES - how does it work ?

[Wojciech Migda]

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Hi again,

while exploring possibilities to solve dependency problems I took a
peek at the OUTPUT_REQUIRED_FILES command.
I constructed simple CMakeLists.txt

OUTPUT_REQUIRED_FILES( bar.c baz.txt )

ADD_LIBRARY( foo bar.c )


and the contents of bar.c is:

#include <stdio.h>

int main()
{
    puts("hello world!");
    return 0;
}

after running cmake baz.txt is created, but its empty. Building the
library with make gives no effect neither. I tried to run
OUTPUT_REQUIRED_FILES on bar.o (depend.make contains dependencies on
bar.o) but it didn't help.

Can anyone point me in the right direction ?

Thanks in advance,

- -Wojciech
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