include(vcpkg_common_functions)

vcpkg_buildpath_length_warning(37)

vcpkg_from_gitlab(
    GITLAB_URL https://gitlab.com
    OUT_SOURCE_PATH SOURCE_PATH
    REPO libeigen/eigen
    REF 3.3.7
    SHA512 4cc3717b9cbe78335e05f724919497214edd482d4812aeb1a9fd6da5b3f6d1b194bb93ed0dab9e734b4334a5b88e8f8c339c43c1b2044332286ef5e758f9ecf4
    HEAD_REF master
)

vcpkg_configure_cmake(
    SOURCE_PATH ${SOURCE_PATH}
    PREFER_NINJA
    OPTIONS
        -DBUILD_TESTING=OFF
        -DEIGEN_BUILD_PKGCONFIG=ON
    OPTIONS_RELEASE
        -DCMAKEPACKAGE_INSTALL_DIR=${CURRENT_PACKAGES_DIR}/share/eigen3
        -DPKGCONFIG_INSTALL_DIR=${CURRENT_PACKAGES_DIR}/lib/pkgconfig
    OPTIONS_DEBUG
        -DCMAKEPACKAGE_INSTALL_DIR=${CURRENT_PACKAGES_DIR}/debug/share/eigen3
        -DPKGCONFIG_INSTALL_DIR=${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig
)

vcpkg_install_cmake()

file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include ${CURRENT_PACKAGES_DIR}/debug/share)

file(READ "${CURRENT_PACKAGES_DIR}/share/eigen3/Eigen3Targets.cmake" EIGEN_TARGETS)
string(REPLACE "set(_IMPORT_PREFIX " "get_filename_component(_IMPORT_PREFIX \"\${CMAKE_CURRENT_LIST_DIR}/../..\" ABSOLUTE) #" EIGEN_TARGETS "${EIGEN_TARGETS}")
file(WRITE "${CURRENT_PACKAGES_DIR}/share/eigen3/Eigen3Targets.cmake" "${EIGEN_TARGETS}")

vcpkg_fixup_pkgconfig()

file(GLOB INCLUDES ${CURRENT_PACKAGES_DIR}/include/eigen3/*)
# Copy the eigen header files to conventional location for user-wide MSBuild integration
file(COPY ${INCLUDES} DESTINATION ${CURRENT_PACKAGES_DIR}/include)

# Put the licence file where vcpkg expects it
file(COPY ${SOURCE_PATH}/COPYING.README DESTINATION ${CURRENT_PACKAGES_DIR}/share/eigen3)
file(RENAME ${CURRENT_PACKAGES_DIR}/share/eigen3/COPYING.README ${CURRENT_PACKAGES_DIR}/share/eigen3/copyright)