blob: 89cd93ad5026b62984ec1b4d184cd3e24314429e [file] [log] [blame]
# - Try to find LibYANG
# Once done this will define
#
# LIBYANG_FOUND - system has LibYANG
# LIBYANG_INCLUDE_DIRS - the LibYANG include directory
# LIBYANG_LIBRARIES - Link these to use LibYANG
# LIBYANG_VERSION - SO version of the found libyang library
#
# Author Michal Vasko <mvasko@cesnet.cz>
# Copyright (c) 2021 CESNET, z.s.p.o.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
include(FindPackageHandleStandardArgs)
if(LIBYANG_LIBRARIES AND LIBYANG_INCLUDE_DIRS)
# in cache already
set(LIBYANG_FOUND TRUE)
else()
find_path(LIBYANG_INCLUDE_DIR
NAMES
libyang/libyang.h
PATHS
/usr/include
/usr/local/include
/opt/local/include
/sw/include
${CMAKE_INCLUDE_PATH}
${CMAKE_INSTALL_PREFIX}/include
)
find_library(LIBYANG_LIBRARY
NAMES
yang
libyang
PATHS
/usr/lib
/usr/lib64
/usr/local/lib
/usr/local/lib64
/opt/local/lib
/sw/lib
${CMAKE_LIBRARY_PATH}
${CMAKE_INSTALL_PREFIX}/lib
)
if(LIBYANG_INCLUDE_DIR)
find_path(LY_VERSION_PATH "libyang/version.h" HINTS ${LIBYANG_INCLUDE_DIR})
if(LY_VERSION_PATH)
file(READ "${LY_VERSION_PATH}/libyang/version.h" LY_VERSION_FILE)
else()
find_path(LY_HEADER_PATH "libyang/libyang.h" HINTS ${LIBYANG_INCLUDE_DIR})
file(READ "${LY_HEADER_PATH}/libyang/libyang.h" LY_VERSION_FILE)
endif()
string(REGEX MATCH "#define LY_VERSION \"[0-9]+\\.[0-9]+\\.[0-9]+\"" LY_VERSION_MACRO "${LY_VERSION_FILE}")
string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" LIBYANG_VERSION "${LY_VERSION_MACRO}")
endif()
set(LIBYANG_INCLUDE_DIRS ${LIBYANG_INCLUDE_DIR})
set(LIBYANG_LIBRARIES ${LIBYANG_LIBRARY})
mark_as_advanced(LIBYANG_INCLUDE_DIRS LIBYANG_LIBRARIES)
# handle the QUIETLY and REQUIRED arguments and set LIBYANG_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(LibYANG FOUND_VAR LIBYANG_FOUND
REQUIRED_VARS LIBYANG_LIBRARY LIBYANG_INCLUDE_DIR
VERSION_VAR LIBYANG_VERSION)
endif()