On May 27, 2013 11:18:29 PM Florian Jung wrote:
> Hi,
>
> the AudioStreams (which also support stretching via the RubberBand
> library) finally compile. However, they won't link because we need to
> link in the rubberband library. How do i do this with CMake? Can please
> someone send, and possibly explain me the patch for the CMakeList.txt (i
> hope it goes there?)
>
> greetings and thanks
> flo
>
------------------
Method 1):
------------------
If the feature is optional, you'll want to add the option choice near the top
of the top-level CMakeLists.txt:
option ( ENABLE_RUBBERBAND "Enable RubberBand stretching support" ON)
Then further down in the 'Optional packages' section:
if (ENABLE_RUBBERBAND)
PKG_CHECK_MODULES(RUBBERBAND rubberband>=1.0)
if (RUBBERBAND_FOUND)
include_directories(${RUBBERBAND_INCLUDE_DIRS})
set(RUBBERBAND_SUPPORT ON)
endif (RUBBERBAND_FOUND)
else (ENABLE_RUBBERBAND)
message("RUBBERBAND disabled")
endif (ENABLE_RUBBERBAND)
Then further down in 'Report errors and warnings and hints' section add:
if (ENABLE_RUBBERBAND AND (NOT RUBBERBAND_FOUND))
message("** WARNING: rubberband (>= 1.0) was enabled, but development
files were not found.")
endif (ENABLE_RUBBERBAND AND (NOT RUBBERBAND_FOUND))
And finally further down, in the summary printout:
summary_add("rubberband support" RUBBERBAND_SUPPORT)
Now, depending on where exactly this support is used, link the library.
For example for OSC, sndfile, and samplerate libraries, we link them
in the "muse/CMakeLists.txt" file because they're used globally.
So you would do this, just after the 'Linkage' section:
if(RUBBERBAND_SUPPORT)
target_link_libraries(core ${RUBBERBAND_LIBRARIES})
endif(RUBBERBAND_SUPPORT)
------------------
Method 2):
------------------
If the feature is *not* optional and must be there always, you'll want to
add this in the 'Mandatory packages' section of the top-level CMakeLists.txt:
PKG_CHECK_MODULES(RUBBERBAND REQUIRED rubberband>=0.1.0)
include_directories(${RUBBERBAND_INCLUDE_DIRS})
Then further down in 'Report errors and warnings and hints' section add:
if (NOT RUBBERBAND_FOUND)
message("** ERROR: rubberband >= 0.1.0 is required, but development files
were not found.")
endif (NOT RUBBERBAND_FOUND)
Now, depending on where exactly this support is used, link the library.
For example for OSC, sndfile, and samplerate libraries, we link them
in the "muse/CMakeLists.txt" file because they're used globally.
So you would do this, inside the 'Linkage' section:
target_link_libraries(core
...
${RUBBERBAND_LIBRARIES}
...
)
------------------
That should pretty much do it. I hope...
Tim.
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