CMakeLists.txt

# =========================================================================
# HOPR CMake configuration
# =========================================================================
# NOTE: use minimum CMake version required by tools/libs (Paraview, HDF5, FFTW)
CMAKE_MINIMUM_REQUIRED(VERSION 3.5.2)
# Policies (see https://cmake.org/cmake/help/v3.13/manual/cmake-policies.7.html)
# VERSION_GREATER_EQUAL is incompatible with CMAKE versions < 3.7
IF(NOT(${CMAKE_VERSION} VERSION_LESS "3.6.0"))
  SET(GITSHALLOW "GIT_SHALLOW ON")
ENDIF()
IF(NOT(${CMAKE_VERSION} VERSION_LESS "3.12.0"))
  CMAKE_POLICY(SET CMP0074 NEW)
ENDIF()
# Folder for custom CMake source files
LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
SET_PROPERTY(GLOBAL PROPERTY USE_FOLDERS ON)
INCLUDE(ExternalProject)
INCLUDE(CMakeDependentOption)

# =========================================================================
# Machine environment
# =========================================================================
INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/CMakeListsMachine.txt)

# =========================================================================
# Project definitions and output paths
# =========================================================================
PROJECT(Hopr)

SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin)
SET(CMAKE_Fortran_MODULE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include)
SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/lib)
SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/lib)

# Set custom install dir (needs to be done after project has been defined!)
# MARK_AS_ADVANCED(FORCE CMAKE_INSTALL_PREFIX)
IF(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
  SET(CMAKE_INSTALL_PREFIX "${CMAKE_CURRENT_SOURCE_DIR}" CACHE PATH "Prefix prepended to install directories" FORCE)
ENDIF()

# =========================================================================
# Build type
# =========================================================================
# make sure that the default is a RELEASE
IF (NOT CMAKE_BUILD_TYPE)
  SET (CMAKE_BUILD_TYPE Release CACHE STRING
      "Choose the type of build, options are: Debug Release Profile."
      FORCE)
  SET_PROPERTY(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS Debug Release Profile)
ENDIF (NOT CMAKE_BUILD_TYPE)

# =========================================================================
# Location of binary and filenames
# =========================================================================

# append relative filename-macro for __FILENAME__ in Stamp of abort function (see flexi.h)
SET(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -D__FILENAME__='\"$(subst ${CMAKE_SOURCE_DIR}/,,$(abspath $<))\"'")

# add basedir for location of corresponding userblock-file
ADD_DEFINITIONS("-DBASEDIR='\"${CMAKE_CURRENT_BINARY_DIR}/\"'")

# =========================================================================
# USERBLOCK + Preproc_flags
# =========================================================================

# A function to get all user defined variables with a specified prefix
function (getListOfVarsStartingWith _prefix _varResult)
    GET_CMAKE_PROPERTY(_vars CACHE_VARIABLES)
    STRING(REGEX MATCHALL "(^|;)${_prefix}[A-Za-z0-9_]*" _matchedVars "${_vars}")
    SET(${_varResult} ${_matchedVars} PARENT_SCOPE)
endfunction()

# A function to get all user defined variables with a specified prefix
SET(configuration ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/configuration.cmake)
FILE(WRITE ${configuration} "")
GETLISTOFVARSSTARTINGWITH("HOPR_" hoprVars)
FOREACH (_var IN LISTS hoprVars)
  GET_PROPERTY(currentHelpString CACHE "${_var}" PROPERTY HELPSTRING)
  SET(boolian (${${_var}} STREQUAL "ON" OR ${${_var}} STREQUAL "OFF"))
  IF(${boolian})
    FILE(APPEND ${configuration} "OPTION(${_var} \"${currentHelpString}\" ${${_var}})\n")
  ELSE()
    IF(${_var})
      STRING(REPLACE "\\" "\\\\" ${_var} ${${_var}})
    ENDIF()
    FILE(APPEND ${configuration} "SET(${_var} \"${${_var}}\" CACHE STRING \"${currentHelpString}\")\n")
  ENDIF()
ENDFOREACH()

# =========================================================================
# ADD LIBRARIES
# =========================================================================
INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/CMakeListsLib.txt)

# =========================================================================
# HOPR
# =========================================================================
INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/src/CMakeLists.txt)