find_package(PkgConfig)
pkg_check_modules(_OGG QUIET ogg)
find_path(OGG_INCLUDE_DIR
NAMES "ogg/ogg.h"
PATHS ${_OGG_INCLUDE_DIRS})
find_library(OGG_LIBRARY
NAMES ogg libogg
HINTS ${_OGG_LIBRARY_DIRS})
mark_as_advanced(
OGG_INCLUDE_DIR
OGG_LIBRARY)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Ogg
REQUIRED_VARS OGG_INCLUDE_DIR OGG_LIBRARY
VERSION_VAR _OGG_VERSION)
if(OGG_FOUND AND NOT TARGET Ogg::ogg)
add_library(Ogg::ogg UNKNOWN IMPORTED)
set_target_properties(Ogg::ogg PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OGG_INCLUDE_DIR}"
IMPORTED_LOCATION "${OGG_LIBRARY}")
endif()