CMakeLists.txt

cmake_minimum_required(VERSION 3.7)

project( swb LANGUAGES C Fortran )

message("Processing top-level CMakelists.txt for project swb")

set(SWB_MAJOR_VERSION "1")
set(SWB_MINOR_VERSION "3")
set(SWB_PATCH_VERSION "0")
set(SWB_LATEST_VERSION_TAG "v1.3.0")

#------------------------------------------------------------------------------------#
#                           Force out-of-source build
#------------------------------------------------------------------------------------#
if(${CMAKE_SOURCE_DIR}/src STREQUAL ${CMAKE_BINARY_DIR})
  message(FATAL_ERROR "Cannot be built in the source directory. Use out-of-source build instead.")
  message(FATAL_ERROR "  cd /some/work/dir/build")
  message(FATAL_ERROR "  cmake -i /path/to/source")
endif()


SET(CPACK_GENERATOR "TGZ")
include(CPack)

set(CMAKE_INCLUDE_CURRENT_DIR ON)

set(CMAKE_Fortran_MODULE_DIRECTORY ${PROJECT_BINARY_DIR}/modules)

# try to have CMake find static libraries if possible
set(CMAKE_FIND_LIBRARY_SUFFIXES ".so" ${CMAKE_FIND_LIBRARY_SUFFIXES})

if ( CMAKE_HOST_WIN32 )
  set( OUTPUT_BIN_TARGET_DIR win_x64 )
  if ( CMAKE_Fortran_COMPILER_ID STREQUAL "Intel" )
    set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib" )
    add_definitions(/D_CRT_SECURE_NO_DEPRECATE /DWIN32_LEAN_AND_MEAN)
    message("==> Set library suffixes to .lib")
  endif()
elseif( CMAKE_HOST_APPLE )
  set( OUTPUT_BIN_TARGET_DIR macOS )
  set(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ${CMAKE_FIND_LIBRARY_SUFFIXES})
elseif( CMAKE_HOST_UNIX AND (NOT CMAKE_HOST_APPLE) )
  set( OUTPUT_BIN_TARGET_DIR linux_x64 )
endif()

include( cmake/options_and_targets.cmake )
include( cmake/version_control.cmake )
include( cmake/FindHDF5.cmake )
include( cmake/FindHDF5_HL.cmake )
include( cmake/FindNetCDF.cmake )
include( cmake/FindZlib.cmake )
include( cmake/FindCurl.cmake )
include( cmake/FindSzip.cmake )
include( cmake/FindDISLIN.cmake)
#include( cmake/FindWinPthread.cmake )
#include( cmake/FindQuadMath.cmake )
#include( cmake/FindGfortran.cmake )

include_directories( ${CMAKE_SOURCE_DIR} src src/proj4 src/dislin )

include( cmake/print_summary.cmake )

enable_testing()
add_subdirectory(src)
add_subdirectory(test/unit_tests)
add_subdirectory(tests/general)
add_subdirectory(tests/irrigation)

#set(CMAKE_Fortran_MODULE_DIRECTORY src/dislin)

# prepend location of project 'bin' directory
set( OUTPUT_BIN_TARGET_DIR ${PROJECT_SOURCE_DIR}/bin/${OUTPUT_BIN_TARGET_DIR} )

if ( WIN32 )
  add_custom_target(copy ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/src/swb.exe ${OUTPUT_BIN_TARGET_DIR}/swb.exe
                 COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/src/swbstats.exe ${OUTPUT_BIN_TARGET_DIR}/swbstats.exe
		             COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/test/unit_tests/swbtest.exe ${PROJECT_SOURCE_DIR}/test/unit_tests/swbtest.exe
  )
else()
  add_custom_target(copy ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/src/swb ${OUTPUT_BIN_TARGET_DIR}/swb
                 COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/src/swbstats ${OUTPUT_BIN_TARGET_DIR}/swbstats
                 COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/test/unit_tests/swbtest ${PROJECT_SOURCE_DIR}/test/unit_tests/swbtest
  )
endif()

file(WRITE VERSION "${SWB_MAJOR_VERSION}.${SWB_MINOR_VERSION}.${SWB_PATCH_VERSION}, build ${GIT_COMMITS_ON_BRANCH}")