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# FindOpusFile.cmake
# Locate the libopusfile library and its dependencies (libopus and libogg).
# Defines the following variables on success:
# OPUSFILE_FOUND - Indicates if opusfile was found
# OPUSFILE_INCLUDE_DIR - Directory containing opusfile.h
# OPUSFILE_LIBRARY - Path to the opusfile library
# OPUSFILE_LIBRARIES - Full list of libraries to link (opusfile, opus, ogg)
find_package(PkgConfig)
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_OPUSFILE QUIET opusfile)
endif()
# Search for the OpusFile header
find_path(OPUSFILE_INCLUDE_DIR
NAMES opusfile.h
HINTS ${PC_OPUSFILE_INCLUDE_DIRS}
PATHS /usr/include/opus /usr/local/include/opus /opt/local/include/opus /opt/homebrew/include/opus
DOC "Directory where opusfile.h is located"
)
# Search for the OpusFile library
find_library(OPUSFILE_LIBRARY
NAMES opusfile
HINTS ${PC_OPUSFILE_LIBRARY_DIRS}
DOC "Path to the libopusfile library"
)
# Search for the Opus library (dependency of OpusFile)
find_library(OPUS_LIBRARY
NAMES opus
DOC "Path to the libopus library (dependency of libopusfile)"
)
# Search for the Ogg library (dependency of OpusFile)
find_library(OGG_LIBRARY
NAMES ogg
DOC "Path to the libogg library (dependency of libopusfile)"
)
# Check if all required components are found
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(OpusFile
REQUIRED_VARS OPUSFILE_LIBRARY OPUSFILE_INCLUDE_DIR OPUS_LIBRARY OGG_LIBRARY
VERSION_VAR OPUSFILE_VERSION
)
# Define an imported target if everything is found
if (OPUSFILE_FOUND)
add_library(Opusfile::Opusfile INTERFACE IMPORTED)
set_target_properties(Opusfile::Opusfile PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OPUSFILE_INCLUDE_DIR}"
INTERFACE_LINK_LIBRARIES "${OPUSFILE_LIBRARY};${OPUS_LIBRARY};${OGG_LIBRARY}"
)
# Optionally expose the include and libraries separately
set(OPUSFILE_LIBRARIES ${OPUSFILE_LIBRARY} ${OPUS_LIBRARY} ${OGG_LIBRARY})
set(OPUSFILE_INCLUDE_DIRS ${OPUSFILE_INCLUDE_DIR})
else()
set(OPUSFILE_FOUND FALSE)
endif()
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