cmake_minimum_required(VERSION 2.6)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")

project(CosmoToolbox)

include(GetGitRevisionDescription)
include(ExternalProject)
include(FindOpenMP)

include(FindPythonInterp)
set(NumPy_FIND_REQUIRED TRUE)
include(${CMAKE_SOURCE_DIR}/FindPyLibs.cmake)
include(${CMAKE_SOURCE_DIR}/FindNumPy.cmake)


get_git_head_revision(HEAD GIT_VER)

option(BUILD_SHARED_LIBS "Build shared libraries." OFF)
option(BUILD_STATIC_LIBS "Build static libraries." ON)
option(ENABLE_OPENMP "Enable OpenMP support." OFF)
option(ENABLE_SHARP "Enable SPHT support." ON)

IF(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
  SET(CosmoTool_local CosmoTool_static)
ELSE(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
  SET(CosmoTool_local CosmoTool)
ENDIF(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)

find_path(NETCDF_INCLUDE_PATH NAMES netcdf.h)
find_path(NETCDFCPP_INCLUDE_PATH NAMES netcdfcpp.h netcdf)
find_path(GSL_INCLUDE_PATH NAMES gsl/gsl_blas.h)
find_library(NETCDFCPP_LIBRARY NAMES netcdf_c++ netcdf_c++4)

IF(EXISTS ${NETCDFCPP_INCLUDE_PATH}/netcdf AND ${NETCDFCPP_LIBRARY} MATCHES "netcdf_c\\+\\+4")
  SET(FOUND_NETCDF4 1)
  FILE(WRITE ${CMAKE_BINARY_DIR}/src/ctool_netcdf_ver.hpp "#define NETCDFCPP4 1")
ELSE(EXISTS ${NETCDFCPP_INCLUDE_PATH}/netcdf AND ${NETCDFCPP_LIBRARY} MATCHES "netcdf_c\\+\\+4")
  SET(FOUND_NETCDF3 1)
  FILE(WRITE ${CMAKE_BINARY_DIR}/src/ctool_netcdf_ver.hpp "#undef NETCDFCPP4")
ENDIF(EXISTS ${NETCDFCPP_INCLUDE_PATH}/netcdf AND ${NETCDFCPP_LIBRARY} MATCHES "netcdf_c\\+\\+4")

find_library(NETCDF_LIBRARY netcdf)
find_library(GSL_LIBRARY gsl)
find_library(GSLCBLAS_LIBRARY gslcblas)

find_program(CYTHON cython)

find_package(Boost 1.53)

include(${CMAKE_SOURCE_DIR}/external/external_build.cmake)

set(HDF5_FIND_COMPONENTS HL CXX)
if(HDF5_ROOTDIR)
  SET(ENV{HDF5_ROOT} ${HDF5_ROOTDIR})
endif(HDF5_ROOTDIR)
include(FindHDF5)

include(FindPkgConfig)

pkg_check_modules(FFTW3 fftw3>=3.3)
pkg_check_modules(FFTW3F fftw3f>=3.3)
pkg_check_modules(EIGEN3 eigen3)


find_library(FFTW3F_LIBRARY_FULL fftw3f PATHS ${FFTW3F_LIBDIR} NO_DEFAULT_PATH)
find_library(FFTW3_LIBRARY_FULL fftw3 PATHS ${FFTW3_LIBDIR} NO_DEFAULT_PATH)

include(FindPackageHandleStandardArgs)
set(NETCDF_FIND_REQUIRED TRUE)
set(GSL_FIND_REQUIRED TRUE)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(NetCDF DEFAULT_MSG NETCDF_LIBRARY NETCDFCPP_LIBRARY NETCDF_INCLUDE_PATH)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GSL DEFAULT_MSG GSL_LIBRARY GSLCBLAS_LIBRARY GSL_INCLUDE_PATH)

IF(ENABLE_OPENMP)

  IF (NOT OPENMP_FOUND)
    MESSAGE(ERROR "No known compiler option for enabling OpenMP")
  ENDIF(NOT OPENMP_FOUND)

  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
  SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_C_FLAGS}")
ENDIF(ENABLE_OPENMP)



set(GSL_LIBRARIES ${GSL_LIBRARY} ${GSLCBLAS_LIBRARY})

# CPACK Configuration
SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "A toolbox for impatient cosmologists")
SET(CPACK_PACKAGE_VENDOR "Guilhem Lavaux")
SET(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENCE_CeCILL_V2")
SET(CPACK_PACKAGE_VERSION_MAJOR "1")
SET(CPACK_PACKAGE_VERSION_MINOR "0")
SET(CPACK_PACKAGE_VERSION_PATCH "0-${GIT_VER}")
SET(CPACK_PACKAGE_INSTALL_DIRECTORY "CosmoToolbox-${GalaxExplorer_VERSION_MAJOR}.${GalaxExplorer_VERSION_MINOR}")
SET(CPACK_STRIP_FILES "lib/libCosmoTool.so")
SET(CPACK_SOURCE_IGNORE_FILES 
"/CVS/;/\\\\.git/;/\\\\.svn/;\\\\.swp$;\\\\.#;/#;.*~;cscope.*;/CMakeFiles/;.*\\\\.cmake;Makefile")

add_subdirectory(src)
add_subdirectory(sample)
add_subdirectory(python)

include(CPack)