Enable build of 06_dcmac example

[papeg]

Current version fails in finding SlashTools:

CMake Error at CMakeLists.txt:31 (find_package):
  By not providing "FindSlashTools.cmake" in CMAKE_MODULE_PATH this project
  has asked CMake to find a package configuration file provided by
  "SlashTools", but CMake did not find one.

  Could not find a package configuration file provided by "SlashTools" with
  any of the following names:

    SlashToolsConfig.cmake
    slashtools-config.cmake

This commit adapts the CMakeLists.txt based on the 00_axilite example to reenable the build.

Also the provided host code is added as build target.

[mariodruiz]

@amd-vserbu, can you please review as well?

[amd-vserbu]

Others example have:

if(SLASH_USE_REPO)
  get_filename_component(REPO_ROOT "${CMAKE_CURRENT_LIST_DIR}/../.." REALPATH)
  list(APPEND CMAKE_MODULE_PATH "${REPO_ROOT}/cmake")
  include(SlashTools)
  add_subdirectory(${REPO_ROOT}/vrt ${CMAKE_CURRENT_BINARY_DIR}/vrt)
  set(_VRT_INCLUDES /usr/include/ami)
  set(_VRT_LIBS vrt ami)
else()
  find_package(vrt REQUIRED CONFIG)
  find_package(SlashTools REQUIRED)
  set(_VRT_INCLUDES "")
  set(_VRT_LIBS vrt::vrt ami)
endif()

We would want that

  add_subdirectory(${REPO_ROOT}/vrt ${CMAKE_CURRENT_BINARY_DIR}/vrt)
  set(_VRT_INCLUDES /usr/include/ami)
  set(_VRT_LIBS vrt ami)

section included as well the if branch so the example can be built using the SLASH_USE_REPO as well.

Otherwise looks good.

[papeg]

Oh right, i didnt checked the ON path - i will update it as well

[papeg]

I added the changes, to enable USE_REPO=ON.

I also set the CXX standard to 20, now its completely equivalent to the current state of the other examples.

[amd-vserbu]

Looks good to me!

[mariodruiz]

@hpc-aulmamei can you merge?

[hpc-aulmamei]

sure