# Eigen
# -----

find_package(Eigen3 REQUIRED)  # This module comes from the Eigen3 Package
message(STATUS "Eigen3 version ${EIGEN3_VERSION}")

# optional
find_package(Eigen3Unsupported)

add_library(Eigen::eigen INTERFACE IMPORTED)
set_property(TARGET Eigen::eigen PROPERTY
    INTERFACE_INCLUDE_DIRECTORIES ${EIGEN3_INCLUDE_DIR})



# HDF5
# ----

# HDF5 is required and used by all modules for output
#
# Only the C serial API is used
find_package(HDF5 REQUIRED COMPONENTS C)

add_library(HDF5::hdf5 UNKNOWN IMPORTED)
set_property(TARGET HDF5::hdf5 PROPERTY
    INTERFACE_INCLUDE_DIRECTORIES ${HDF5_INCLUDE_DIRS}
)
set_property(TARGET HDF5::hdf5 PROPERTY
    IMPORTED_LOCATION ${HDF5_C_LIBRARY_hdf5}
)

# Yaml-cpp
# --------

# YAML-cpp library is required and used by all modules for configuration
# and data storage

# YAML-CPP does not provide a CMake find module.
# Instead, we use pkgconfig
include(FindPkgConfig)
pkg_check_modules(YAML REQUIRED IMPORTED_TARGET yaml-cpp>=0.5)

# cmake < 3.6

if(NOT TARGET PkgConfig::YAML)
    add_library(PkgConfig::YAML UNKNOWN IMPORTED)
    set_property(TARGET PkgConfig::YAML PROPERTY
        INTERFACE_INCLUDE_DIRECTORIES ${YAML_INCLUDE_DIRS}
    )
    set_property(TARGET PkgConfig::YAML PROPERTY
        IMPORTED_LOCATION "${YAML_LIBRARY_DIRS}/lib${YAML_LIBRARIES}.so"
    )
endif()