Zitat von Mats Kindahl <[email protected]>:
Hendrik Sattler wrote:
Zitat von Mats Kindahl <[email protected]>:
I have an example case where I want to decide the subsystems to include
dynamically. However, when running CMake, I get the error above.
Anybody can tell me why I get the error and what to do about it?
You could give your files a file ending like 'output.c' instead of just
'output'. Or, if that is the normal file naming, set the LANGUAGE file
property and the LINKER_LANGUAGE target property.
OK. Adding suffixes to the files did help, but IIRC, the manual said
that CMake
figures this out itself.
It does but it needs hints like file suffixes to do so. Either
automatic with file ending or manually.
You have an additional problem: you use target 'io' before it is
defined. If the io library is not installed, yet, this will fail.
Actually, in the first version (looking a little different, but
having the same dependency) made CMake resolve the dependency itself.
Ideally, I would like to copy or build the libraries in a central "lib/"
directory similar to how I copy all the include files to the "include/"
directory, but how is that supported by CMake?
See
http://www.cmake.org/cmake/help/cmake2.6docs.html#variable:CMAKE_LIBRARY_OUTPUT_DIRECTORY
Or you use the INSTALL() directives to add the install target that you
can use to install the files into a wanted directory structure.
So, basically, each package can depend on a number of include files and
libraries that have not yet been built, so somehow I need to specify
rules for how to build it all in a good order.
Using target_link_libraries() already does this _if_ you defined the
library with add_library() _before_ using target_link_libraries. You
GLOB will apply alphabetic order. Don't use it if you need a specific
order. Use an explicit list instead.
HS
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