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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.
# From https://github.com/erikd/libsndfile/
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>=1.1)
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 ${OPUS_INCLUDE_DIR})
if (NOT TARGET Opus::opus)
add_library (Opus::opus UNKNOWN IMPORTED)
set_target_properties (Opus::opus PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OPUS_INCLUDE_DIRS}"
IMPORTED_LOCATION "${OPUS_LIBRARIES}"
)
endif ()
endif ()
mark_as_advanced(OPUS_INCLUDE_DIR OPUS_LIBRARY)
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