CMakeLists.txt

cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
PROJECT(necal
  VERSION 0.0.1
  LANGUAGES CXX
  DESCRIPTION "Athena@IP6"
  )

# Set find package policy to new
cmake_policy(SET CMP0074 NEW)

# Do we have athena directory (has submodules been initialized?)
if(NOT EXISTS "${CMAKE_CURRENT_LIST_DIR}/athena")
    message(FATAL_ERROR "ERROR. Can't fine 'athena' directory. Did you initialize git submodules? If not run 'git submodule init && git submodule update'. CMake exiting..." )

endif()

# Same for ip6 directory
if(NOT EXISTS "${CMAKE_CURRENT_LIST_DIR}/ip6")
    message(FATAL_ERROR "ERROR. Can't fine 'ip6' directory. Did you initialize git submodules? If not run 'git submodule init && git submodule update'. CMake exiting..." )
endif()

set (ln_cmd "ln")
set (ln_arg "-s ../ip6/ip6 athena/ip6")
message(STATUS "ln cmd: ${ln_cmd}")
execute_process(COMMAND "ln -s ../ip6/ip6 ${PROJECT_SOURCE_DIR}/athena/ip6"
  WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
  RESULT_VARIABLE git_result
  OUTPUT_VARIABLE git_ver)

message(STATUS "{PROJECT_SOURCE_DIR} ${PROJECT_SOURCE_DIR}")


# message(STATUS "${CMAKE_CURRENT_LIST_DIR}/athena/ip6")
# # We need to create a symbolic link for athena if 
# if(NOT EXISTS "${CMAKE_CURRENT_LIST_DIR}/athena/ip6")
#     execute_process(COMMAND "ln" "-s" "../ip6/ip6" "athena/ip6")
#     message(STATUS "created ip6 sybmolic link in athena directory" )
# endif()

# Add athena and ip6 repos
add_subdirectory(athena)
add_subdirectory(ip6)