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# - Find opus
# Find the native opus includes and libraries
#
# OPUS_INCLUDE_DIRS - where to find opus.h, etc.
# OPUS_LIBRARIES - List of libraries when using opus.
# OPUS_FOUND - True if Opus found.
if(OPUS_INCLUDE_DIR)
# Already in cache, be silent
set(OPUS_FIND_QUIETLY TRUE)
endif()
find_package(Ogg QUIET)
find_package(PkgConfig QUIET)
pkg_check_modules(PC_OPUS QUIET opus)
set(OPUS_VERSION ${PC_OPUS_VERSION})
find_path(OPUS_INCLUDE_DIR opus/opus.h
HINTS
${PC_OPUS_INCLUDEDIR}
${PC_OPUS_INCLUDE_DIRS}
${OPUS_ROOT})
# MSVC built opus may be named opus_static.
# The provided project files name the library with the lib prefix.
find_library(OPUS_LIBRARY
NAMES
opus
opus_static
libopus
libopus_static
HINTS
${PC_OPUS_LIBDIR}
${PC_OPUS_LIBRARY_DIRS}
${OPUS_ROOT})
# Handle the QUIETLY and REQUIRED arguments and set OPUS_FOUND
# to TRUE if all listed variables are TRUE.
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Opus
REQUIRED_VARS
OPUS_LIBRARY
OPUS_INCLUDE_DIR
Ogg_FOUND
VERSION_VAR
OPUS_VERSION)
if(OPUS_FOUND)
set(OPUS_LIBRARIES ${OPUS_LIBRARY})
set(OPUS_INCLUDE_DIRS ${OPUS_INCLUDE_DIR} ${Ogg_INCLUDE_DIRS})
if(NOT TARGET Opus::opus)
add_library(Opus::opus UNKNOWN IMPORTED)
set_target_properties(Opus::opus PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OPUS_INCLUDE_DIR}"
IMPORTED_LOCATION "${OPUS_LIBRARY}"
INTERFACE_LINK_LIBRARIES Ogg::ogg)
endif()
endif()
mark_as_advanced(OPUS_INCLUDE_DIR OPUS_LIBRARY)
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