Hi Nanfang,
> When I try to build the tutorial and run
> ninja
> I got the following error.
>
> [1/31] Performing build step for 'hello-app'
> ninja: no work to do.
> [3/31] Performing configure step for 'poke-module'
> ...
> CMake Warning (dev) in CMakeLists.txt:
> No project() command is present. The top-level CMakeLists.txt file must
> contain a literal, direct call to the project() command. Add a line of
> code such as
>
> project(ProjectName)
>
> near the top of the file, but after cmake_minimum_required().
>
> CMake is pretending there is a "project(Project)" command on the first
> line.
> This warning is for project developers. Use -Wno-dev to suppress it.
It could be that the 'DeclareLinuxModule' directive is missing in the
CMakeLists.txt file under the 'modules' folder.
Or perhaps, the 'ExternalProject_add' directive is missing for the 'poke'
kernel module.
Additionally, there's a bug with the 'DeclareLinuxModule' directive for the
poke module in the tutorial content.
The 'DeclareLinuxModule(poke)' line should be this instead:
DefineLinuxModule(${CMAKE_CURRENT_LIST_DIR}/poke poke-module poke-target
KERNEL_DIR ${LINUX_KERNEL_DIR})
There should be a fix out for this pretty soon.
Regards,
Damon
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