On Nov 19, 2009, at 8:24 AM, Michael Jackson wrote:
> So, there are a few of us quickly port the HDF5 1.8 code to CMake. I'm
> thinking that we should put in an HDF5Config.cmake file for other projects
> use. Simple question:
>
> What goes in one of those? Is there a tutorial somewhere? Where does the
> file get installed into? What does the consumer of the file need to put into
> their cmake files?
>
> And what version of CMake does all that apply to?
>
Mike,
I applaud this effort! Now we just need a fully functional C++ interface for
HDF5...
While I am somewhat of a novice at this, my experience is that the
XXXConfig.cmake file basically replaces the FindXXX.cmake file and defines many
of the same variables.
I suggest, however, that you use the "EXPORT" feature to generate a HDF5.cmake
file that you include in your Config file.
For example, put something like the following in your CMakeLists.txt file:
#------- <snip> -------
# assume that "hdf5" is the library built...
install( TARGETS hdf5 EXPORT HDF5 DESTINATION lib/hdf5 )
install( EXPORT HDF5 DESTINATION lib/hdf5 )
configure_file(
${PROJECT_SOURCE_DIR}/HDF5Config.cmake.in
${PROJECT_BINARY_DIR}/config/HDF5Config.cmake
@ONLY
)
#------- </snip> -------
In your HDF5Configure.cmake.in file you might have something like:
#------- <snip> -------
set( HDF5_INCLUDE_DIR @HDF5_INCLUDE@ @TPL_INCLUDE_DIRS@ )
include( @CMAKE_INSTALL_PREFIX@/lib/hdf5/HDF5.cmake )
#------- </snip> -------
I have seen some packages install the Configure file in /share rather than /lib
as well.
I just saw Brad's email come through. He is actually the source of my
understanding of the EXPORT approach...
HTH,
James
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