# - Find FLAC# Find the native FLAC includes and libraries##  FLAC_INCLUDE_DIRS - where to find FLAC headers.#  FLAC_LIBRARIES    - List of libraries when using libFLAC.#  FLAC_FOUND        - True if libFLAC found.#  FLAC_DEFINITIONS  - FLAC compile definitons  if(FLAC_INCLUDE_DIR)  # Already in cache, be silent  set(FLAC_FIND_QUIETLY TRUE)endif() find_package(Ogg QUIET) find_package(PkgConfig QUIET)pkg_check_modules(PC_FLAC QUIET flac) set(FLAC_VERSION ${PC_FLAC_VERSION}) find_path(FLAC_INCLUDE_DIR FLAC/stream_decoder.h  HINTS    ${PC_FLAC_INCLUDEDIR}    ${PC_FLAC_INCLUDE_DIRS}    ${FLAC_ROOT}) # MSVC built libraries can name them *_static, which is good as it# distinguishes import libraries from static libraries with the same extension.find_library(FLAC_LIBRARY  NAMES    FLAC    libFLAC    libFLAC_dynamic    libFLAC_static  HINTS    ${PC_FLAC_LIBDIR}    ${PC_FLAC_LIBRARY_DIRS}    ${FLAC_ROOT}) # Handle the QUIETLY and REQUIRED arguments and set FLAC_FOUND to TRUE if# all listed variables are TRUE.include(FindPackageHandleStandardArgs)find_package_handle_standard_args(FLAC  REQUIRED_VARS    FLAC_LIBRARY    FLAC_INCLUDE_DIR    Ogg_FOUND  VERSION_VAR        FLAC_VERSION) if(FLAC_FOUND)  set(FLAC_INCLUDE_DIRS ${FLAC_INCLUDE_DIR} ${Ogg_INCLUDE_DIRS})  set(FLAC_LIBRARIES ${FLAC_LIBRARY} ${Ogg_LIBRARIES})    if(NOT TARGET FLAC::FLAC)    add_library(FLAC::FLAC UNKNOWN IMPORTED)    set_target_properties(FLAC::FLAC PROPERTIES      INTERFACE_INCLUDE_DIRECTORIES "${FLAC_INCLUDE_DIR}"      IMPORTED_LOCATION "${FLAC_LIBRARY}"      INTERFACE_LINK_LIBRARIES Ogg::ogg)  endif()endif() mark_as_advanced(FLAC_INCLUDE_DIR FLAC_LIBRARY)