include(FindPackageHandleStandardArgs)

set(GLOG_ROOT_DIR "" CACHE PATH "Folder contains Google glog")

if (WIN32)
    find_path(GLOG_INCLUDE_DIR glog/logging.h
        PATHS ${GLOG_ROOT_DIR}/src/windows)
else ()
    find_path(GLOG_INCLUDE_DIR glog/logging.h
        PATHS ${GLOG_ROOT_DIR})
endif ()

if (MSVC)
    find_library(GLOG_LIBRARY_RELEASE libglog_static
        PATHS ${GLOG_ROOT_DIR}
        PATH_SUFFIXES Release)

    find_library(GLOG_LIBRARY_DEBUG libglog_static
        PATHS ${GLOG_ROOT_DIR}
        PATH_SUFFIXES Debug)

    set(GLOG_LIBRARY optimized ${GLOG_LIBRARY_RELEASE} debug ${GLOG_LIBRARY_DEBUG})
else ()
    find_library(GLOG_LIBRARY glog
        PATHS ${GLOG_ROOT_DIR}
        PATH_SUFFIXES lib lib64)
endif ()

find_package_handle_standard_args(Glog DEFAULT_MSG GLOG_INCLUDE_DIR GLOG_LIBRARY)

if (GLOG_FOUND)
    set(GLOG_INCLUDE_DIRS ${GLOG_INCLUDE_DIR})
    set(GLOG_LIBRARIES ${GLOG_LIBRARY})
    message(STATUS "Found glog    (include: ${GLOG_INCLUDE_DIR}, library: ${GLOG_LIBRARY})")
    mark_as_advanced(GLOG_ROOT_DIR GLOG_LIBRARY_RELEASE GLOG_LIBRARY_DEBUG
        GLOG_LIBRARY GLOG_INCLUDE_DIR)
endif ()