# - Config file for the atdna package
 
# Compute paths
get_filename_component(ATHENA_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
 
# Our library dependencies (contains definitions for IMPORTED targets)
if(NOT TARGET atdna AND NOT atdna_BINARY_DIR)
  include("${ATHENA_CMAKE_DIR}/atdnaTargets.cmake")
endif()

# Find Athena
find_package(Athena REQUIRED)

# Super handy macro for adding atdna target
macro(atdna out)
  # Make input files source-relative
  set(ins "")
  foreach(arg ${ARGN})
    list(APPEND ins ${CMAKE_CURRENT_SOURCE_DIR}/${arg})
  endforeach()

  # Get local include directories for atdna
  get_property(incdirs DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY INCLUDE_DIRECTORIES)
  set(inccli "")
  foreach(dir ${incdirs})
    list(APPEND inccli "-I${dir}")
  endforeach()

  # Get local defines for atdna
  get_property(cdefs DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY COMPILE_DEFINITIONS)
  set(cdefcli "")
  foreach(def ${cdefs})
    list(APPEND cdefcli "-D${def}")
  endforeach()

  # MS extra
  unset(extraargs)
  if(MSVC)
    list(APPEND extraargs -fms-compatibility -fexceptions)
    if(MSVC_VERSION EQUAL 1800)
      list(APPEND extraargs -fms-compatibility-version=18.00)
    elseif(MSVC_VERSION EQUAL 1900)
      list(APPEND extraargs -fms-compatibility-version=19.00)
    endif()

  # OSX Extra
  elseif(APPLE)
    list(APPEND extraargs -isysroot ${CMAKE_OSX_SYSROOT} -isysroot
         ${CMAKE_OSX_SYSROOT}/../../../../../Toolchains/XcodeDefault.xctoolchain)
  endif()

  # Make target
  add_custom_command(OUTPUT ${out} COMMAND $<TARGET_FILE:atdna> 
                     ARGS ${extraargs} -o ${out} ${cdefcli} ${inccli} "-I${ATHENA_INCLUDE_DIR}"
                     -isystem "@CONF_CLANG_INCLUDE_DIR@" ${ins}
                     DEPENDS ${ins} COMMENT "Generating DNA ${out}")
endmacro()