cmake_minimum_required(VERSION 3.19)

# Get the version from the VERSION file.
#file(STRINGS "VERSION" pVersion)
set(pVersion 7.0.0)

project(
  wafs
  VERSION ${pVersion}
  LANGUAGES Fortran)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

include(GNUInstallDirs)

# Build type
if(NOT CMAKE_BUILD_TYPE MATCHES "^(Debug|Release|RelWithDebInfo|MinSizeRel)$")
  message(STATUS "Setting build type to 'Release' as none was specified.")
  set(CMAKE_BUILD_TYPE
      "Release"
      CACHE STRING "Choose the type of build." FORCE)
  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
                                               "MinSizeRel" "RelWithDebInfo")
endif()

# Find packages.
find_package(bacio REQUIRED)
find_package(w3emc REQUIRED)
find_package(sp REQUIRED)
find_package(ip REQUIRED)
find_package(g2 REQUIRED)
find_package(bufr REQUIRED)

# Set compiler flags.
if(CMAKE_Fortran_COMPILER_ID MATCHES "^(Intel)$")
  set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g -traceback")
  set(CMAKE_Fortran_FLAGS_RELEASE "-O3")
  set(CMAKE_Fortran_FLAGS_DEBUG "-O0 -check -check bounds -check noarg_temp_created -check nopointer -fp-stack-check -fstack-protector-all -fpe0 -debug -ftrapuv")
elseif(CMAKE_Fortran_COMPILER_ID MATCHES "^(GNU)$")
  set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g -fbacktrace")
  set(CMAKE_Fortran_FLAGS_RELEASE "-O2")
  set(CMAKE_Fortran_FLAGS_DEBUG "-O0 -ggdb -fno-unsafe-math-optimizations -frounding-math -fsignaling-nans -ffpe-trap=invalid,zero,overflow -fbounds-check")
endif()

# Build wafs utilities.
add_subdirectory(wafs_blending_0p25.fd)
add_subdirectory(wafs_cnvgrib2.fd)
add_subdirectory(wafs_gcip.fd)
add_subdirectory(wafs_makewafs.fd)