cmake_minimum_required (VERSION 3.1)
project(preCICE LANGUAGES CXX)

if (NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Debug)
endif()
message(STATUS "Build configuration: " ${CMAKE_BUILD_TYPE})

set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR/CMake})

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)


if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
endif()


option(PETSC "Enable use of the PETSc linear algebra library." ON)
if (PETSC)
  find_library(petsc petsc
    PATHS $ENV{PETSC_DIR}/$ENV{PETSC_ARCH}/lib)
  if(NOT petsc)
    message(FATAL_ERROR "PETSc was not found")
  else()
    message(STATUS "Using PETSc: $ENV{PETSC_ARCH}")
  endif()
endif()


find_package (Threads REQUIRED)

find_package(Boost 1.60.0
  REQUIRED
  COMPONENTS log log_setup program_options system thread unit_test_framework)
add_definitions(-DBOOST_SPIRIT_USE_PHOENIX_V3 -DBOOST_ALL_DYN_LINK)

option(MPI "Enables MPI-based communication and running coupling tests." ON)
if (MPI)
  find_package(MPI REQUIRED)
  include_directories(${MPI_INCLUDE_PATH})
  set(COMPILE_FLAGS  ${COMPILE_FLAGS} ${MPI_COMPILE_FLAGS})
  set(LINK_FLAGS ${LINK_FLAGS} ${MPI_LINK_FLAGS})
endif()

find_package(Eigen3 REQUIRED)
include_directories(${EIGEN3_INCLUDE_DIR})

option(PYTHON "Python support" ON)
if (PYTHON)
  set(Python_ADDITIONAL_VERSIONS "2.7")
  find_package(PythonLibs 2.7 REQUIRED)
  include_directories(${PYTHON_INCLUDE_DIRS})
  add_definitions(-DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION)
else()
  add_definitions(-DPRECICE_NO_PYTHON)
endif()


add_subdirectory("src")

add_library(precice ${sourcesAllNoMain})
target_link_libraries(precice ${PYTHON_LIBRARIES})
target_link_libraries(precice ${MPI_LIBRARIES})
target_link_libraries(precice ${Boost_LIBRARIES})
target_link_libraries(precice ${petsc})

add_executable(binprecice
  "src/drivers/main.cpp" ${sourcesTarchTests})
target_link_libraries(binprecice Threads::Threads)
target_link_libraries(binprecice precice)

add_executable(testprecice
  "src/testing/main.cpp" ${sourcesTests})
target_link_libraries(testprecice Threads::Threads)
target_link_libraries(testprecice precice)