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# Copyright 2016 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
##############################
# Check for system libcodec2 #
##############################
INCLUDE(FindPkgConfig)
INCLUDE(FindPackageHandleStandardArgs)
pkg_check_modules(LIBCODEC2_PKG QUIET codec2)
find_path(LIBCODEC2_INCLUDE_DIR NAMES codec2.h
PATHS
${LIBCODEC2_PKG_INCLUDE_DIRS}
/usr/include/codec2
/usr/include
/usr/local/include/codec2
/usr/local/include
)
find_library(LIBCODEC2_LIBRARIES NAMES codec2
PATHS
${LIBCODEC2_PKG_LIBRARY_DIRS}
/usr/lib
/usr/local/lib
)
if(LIBCODEC2_INCLUDE_DIR AND LIBCODEC2_LIBRARIES)
set(LIBCODEC2_FOUND TRUE)
set(LIBCODEC2_INCLUDE_DIRS ${LIBCODEC2_INCLUDE_DIR})
set(LIBCODEC2_LIBRARIES ${LIBCODEC2_LIBRARIES} ${LIBCODEC2_LIBRARY})
file(READ "${LIBCODEC2_INCLUDE_DIR}/codec2.h" _CODEC2_H_CONTENTS)
string(REGEX MATCHALL "CODEC2_MODE[_a-z0-9A-Z]+" CODEC2_MODES "${_CODEC2_H_CONTENTS}")
foreach(mode ${CODEC2_MODES})
set(LIBCODEC2_HAS_${mode} True)
endforeach()
if(EXISTS "${LIBCODEC2_INCLUDE_DIR}/freedv_api.h")
set(LIBCODEC2_HAS_FREEDV_API True)
file(READ "${LIBCODEC2_INCLUDE_DIR}/freedv_api.h" _FREEDV_API_H_CONTENTS)
string(REGEX MATCHALL "FREEDV_MODE[_a-z0-9A-Z]+" FREEDV_MODES "${_FREEDV_API_H_CONTENTS}")
foreach(mode ${FREEDV_MODES})
set(LIBCODEC2_HAS_${mode} True)
endforeach()
else()
set(LIBCODEC2_HAS_FREEDV_API false)
endif()
# we need to discover if codec2 < 0.9
# moreover, codec2 < 0.8 doesn't provide codec2/version.h
if(EXISTS "${LIBCODEC2_INCLUDE_DIRS}/version.h")
file(READ "${LIBCODEC2_INCLUDE_DIRS}/version.h" _CODEC2_VERSION_H_CONTENTS)
string(REGEX MATCH "CODEC2_VERSION_MAJOR ([0-9]+)(.*)CODEC2_VERSION_MINOR ([0-9]+)" _CODEC2_TMP_MATCH " ${_CODEC2_VERSION_H_CONTENTS}")
if((CMAKE_MATCH_1 EQUAL 0) AND (CMAKE_MATCH_3 LESS 9))
add_definitions(-DCODEC2_LEGACY)
endif()
else()
add_definitions(-DCODEC2_LEGACY)
endif()
endif(LIBCODEC2_INCLUDE_DIR AND LIBCODEC2_LIBRARIES)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(LIBCODEC2 DEFAULT_MSG LIBCODEC2_LIBRARIES LIBCODEC2_INCLUDE_DIRS)
mark_as_advanced(LIBCODEC2_INCLUDE_DIR LIBCODEC2_LIBRARIES)
if (LIBCODEC2_FOUND AND NOT TARGET CODEC2::CODEC2)
add_library(CODEC2::CODEC2 INTERFACE IMPORTED)
set_target_properties(CODEC2::CODEC2 PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${LIBCODEC2_INCLUDE_DIRS}"
INTERFACE_LINK_LIBRARIES "${LIBCODEC2_LIBRARIES}"
)
endif()
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