CMakeLists.txt

cmake_minimum_required (VERSION 3.4)

# CMake utils
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

# Forbids in-source builds
include(CheckNotInSources)

#------------------------------------------------------
#----------------- Main configuration -----------------
#------------------------------------------------------

project (Pastis
  VERSION 0.0.4)

#------------------------------------------------------

set(PASTIS_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
set(PASTIS_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}")

# Default build type is RelWIthDebInfo
if(NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
      "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
      FORCE)
endif(NOT CMAKE_BUILD_TYPE)

#------------------------------------------------------

# Checks if compiler version is compatible with Pastis sources
set(GNU_CXX_MIN_VERSION "7.0.0")
set(CLANG_CXX_MIN_VERSION "5.0.0")

# Pastis default compiler flags
set(PASTIS_CXX_FLAGS "${PASTIS_CXX_FLAGS} -Wall")

if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
  if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${GNU_CXX_MIN_VERSION}")
    message(FATAL_ERROR "Pastis build requires at least g++-${GNU_CXX_MIN_VERSION}")
  endif()
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
  if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${CLANG_CXX_MIN_VERSION}")
    message(FATAL_ERROR "Pastis build requires at least llvm/clang ++-${CLANG_CXX_MIN_VERSION}")
  endif()
  set(PASTIS_CXX_FLAGS "${PASTIS_CXX_FLAGS} -Wsign-compare -Wunused -Wunused-member-function -Wunused-private-field")
endif()


#------------------------------------------------------

# setting Kokkos defaults to OpenMP when available
include(FindOpenMP)
if(${OPENMP_FOUND})
  set(KOKKOS_ENABLE_OPENMP ON CACHE BOOL "")
endif()

# Kokkso compiler flags
add_subdirectory(${PASTIS_SOURCE_DIR}/packages/kokkos)
include_directories(${Kokkos_INCLUDE_DIRS_RET})
include(GetKokkosCompilerFlags)

# sets Kokkos debug flags when non release build
if (CMAKE_BUILD_TYPE MATCHES "Release")
  set (KOKKOS_ENABLE_DEBUG OFF)
else()
  set (KOKKOS_ENABLE_DEBUG ON)
endif()

# C++ 17 flags
if(${CMAKE_VERSION} VERSION_LESS "3.8.0")