On 2008-07-09 12:28-0400 Sean McBride wrote:
On 7/9/08 5:06 PM, Tim Schooley said:
I have a kernel extension that I would like to build from CMake
in order to include it in CPack.
You are very likely the first to try that, and I'd be surprised if it
went smoothly. IIRC, building kexts requires several non-typical
compiler/linker flags. IMHO, CMake's strength is its cross-platform
nature. A Mac OS X kext by its very nature is not portable, and I don't
quite 'get' why you'd want to use CMake.
Tim, on the contrary single-platform is fine for CMake, IMO. I would advise
you to at least give CMake a try since it is quite flexible and relatively
easy to use. The only concern I would have would be if your kernel extension
is simply a compiled object since CMake does not yet have good support for
compiled objects. Probably what you would want to do is build a static
library and then extract the compiled object from the static library using a
custom command suitable for the platform in question. Alternatively, you
could figure out the non-documented location where cmake stores its compiled
objects before it places them in a static library, but there are no
guarantees that location will not change in the future. Or you could just
do the whole thing by a custom command.
BTW, if you are building a static library and special compile flags are
needed, then you should be able to easily set those with the COMPILE_FLAGS
property for either SET_SOURCE_FILES_PROPERTIES or SET_TARGET_PROPERTIES.
Good luck with building your kernel extension, and let the list know how it
goes.
Alan
__________________________
Alan W. Irwin
Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).
Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of
Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
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Linux-powered Science
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