CMakeLists.txt

cmake_minimum_required(VERSION 3.8)

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
include(cmake/helpers.cmake)
include(cmake/libraries.cmake)
add_system_paths()

set_default_build_type(Release)

enable_language(Fortran)
project(camaflood)

add_library(libcamaflood
  cama-flood/lib/endian4.F
  cama-flood/lib/igetday.F
  cama-flood/lib/len_trim.F
  cama-flood/lib/lib_dates.F
  cama-flood/lib/lib_netcdf_util.F
  cama-flood/mod/mod_diag.F
  cama-flood/mod/mod_input.F
  cama-flood/mod/mod_map.F
  cama-flood/mod/mod_output.F
  cama-flood/mod/mod_prog.F
  cama-flood/mod/mod_time.F
  cama-flood/mod/parkind1.F
  cama-flood/src/calc_damout.F
  cama-flood/src/calc_fldout.F
  cama-flood/src/calc_fldstg.F
  cama-flood/src/calc_outpre.F
  cama-flood/src/calc_pthout.F
  cama-flood/src/calc_rivout.F
  cama-flood/src/calc_rivout_kine.F
  cama-flood/src/calc_stonxt.F
  cama-flood/src/calc_watbal.F
  cama-flood/src/control_out.F
  cama-flood/src/control_rest.F
  cama-flood/src/create_outbin.F
  cama-flood/src/create_outcdf.F
  cama-flood/src/init_cond.F
  cama-flood/src/init_inputnam.F
  cama-flood/src/init_map.F
  cama-flood/src/init_time.F
  cama-flood/src/init_topo.F
  src/additional.f90
  )
target_compile_options(libcamaflood PRIVATE -cpp)
if(CMAKE_Fortran_COMPILER_ID STREQUAL Intel)
  target_compile_options(libcamaflood PRIVATE -convert little_endian -assume byterecl -heap-arrays)
endif()
set_target_properties(libcamaflood PROPERTIES Fortran_FORMAT FREE)

find_package(Patch REQUIRED)

function(patch_file FILENAME PATCH)
  file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${FILENAME})
  execute_process(
    COMMAND ${Patch_EXECUTABLE} ${FILENAME} ${PATCH} -o ${CMAKE_CURRENT_BINARY_DIR}/${FILENAME}
    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
    OUTPUT_VARIABLE OUTPUT_PATCH
    RESULT_VARIABLE RESULT_PATCH
    )
  string(STRIP "${OUTPUT_PATCH}" OUTPUT_PATCH)
  message(STATUS ${OUTPUT_PATCH})
  if(NOT "${RESULT_PATCH}" EQUAL "0")
    message(FATAL_ERROR "Patching failed: ${RESULT_PATCH}")
  endif()
  set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${FILENAME} PROPERTIES GENERATED TRUE)
  target_sources(libcamaflood PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/${FILENAME})
endfunction()

patch_file(cama-flood/src/control_inp.F patches/control_inp.patch)
patch_file(cama-flood/src/control_phy.F patches/control_phy.patch)
patch_file(cama-flood/src/control_tstp.F patches/control_tstp.patch)
patch_file(cama-flood/lib/lib_dates.F patches/lib_dates.patch)

include(FortranCInterface)
FortranCInterface_VERIFY(CXX)
FortranCInterface_HEADER(
  ${CMAKE_CURRENT_BINARY_DIR}/include/FC.h
  MACRO_NAMESPACE "FC_"
  SYMBOL_NAMESPACE "FC_"
  SYMBOLS
  additional_mod:cleanup_tstp
  additional_mod:ifirstin
  additional_mod:restart_init
  calc_fldstg:calc_fldstg
  control_inp_mod:lclose
  control_tstp_mod:control_tstp
  init_cond_mod:init_cond
  init_inputnam_mod:init_inputnam
  init_map_mod:init_map
  init_time_mod:init_time
  init_topo_mod:init_topo
  mod_input:crunoffcdf
  mod_input:crofcdfvar
  mod_input:ieday
  mod_input:iemon
  mod_input:ieyear
  mod_input:irestart
  mod_input:isday
  mod_input:ismon
  mod_input:isyear
  mod_input:lleapyr
  mod_input:sdayin
  mod_input:smonin
  mod_input:syearin
  )

add_executable(camaflood src/main.cpp)

target_link_libraries(camaflood PRIVATE libcamaflood)

target_include_directories(camaflood PRIVATE include lib/lmoments/include lib/cpp-library ${CMAKE_CURRENT_BINARY_DIR}/include)
set_property(TARGET camaflood PROPERTY CXX_STANDARD 11)

set_advanced_options()
set_advanced_cpp_warnings(camaflood)
set_build_type_specifics(camaflood)
set_build_type_specifics(libcamaflood)
add_git_version(camaflood)

option(WITH_NETCDF_FORTRAN "" ON)
if(WITH_NETCDF_FORTRAN)
  find_package(NETCDF_Fortran REQUIRED)
  message(STATUS "NetCDF Fortran include directory: ${NETCDF_Fortran_INCLUDE_DIR}")
  message(STATUS "NetCDF Fortran library: ${NETCDF_Fortran_LIBRARY}")
  include_directories(${NETCDF_Fortran_INCLUDE_DIR})
  target_link_libraries(libcamaflood PRIVATE netcdff)
  target_compile_definitions(libcamaflood PRIVATE UseCDF)
endif()

option(WITH_ENDIAN_CONVERSION "" OFF)
if(WITH_ENDIAN_CONVERSION)
  target_compile_definitions(libcamaflood PRIVATE ConvEnd)
endif()

# TODO UseMPI

option(PARALLELIZATION "" ON)
if(PARALLELIZATION)
  find_package(OpenMP REQUIRED)
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
  set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} ${OpenMP_Fortran_FLAGS}")
endif()

include(lib/settingsnode/settingsnode.cmake)
include_settingsnode(camaflood)
include_netcdf_cxx4(camaflood ON v4.3.0)
include_yaml_cpp(camaflood ON "yaml-cpp-0.6.3")

add_cpp_tools(camaflood)