libyang 1.0.73 (#3710)

- build libyang1.0.73 debian pacakge from libyang github source
    - build libyang python2 and python3 debian packages

rules/libyang.mk

@@ -1,23 +1,32 @@
 # libyang
 
-LIBYANG_VERSION_BASE = 0.16
-LIBYANG_VERSION = $(LIBYANG_VERSION_BASE).105
+LIBYANG_VERSION_BASE = 1.0
+LIBYANG_VERSION = $(LIBYANG_VERSION_BASE).73
 LIBYANG_SUBVERSION = 1
 
 export LIBYANG_VERSION_BASE
 export LIBYANG_VERSION
 export LIBYANG_SUBVERSION
 
-LIBYANG = libyang$(LIBYANG_VERSION_BASE)_$(LIBYANG_VERSION)-$(LIBYANG_SUBVERSION)_$(CONFIGURED_ARCH).deb
+LIBYANG = libyang_$(LIBYANG_VERSION)_$(CONFIGURED_ARCH).deb
 $(LIBYANG)_SRC_PATH = $(SRC_PATH)/libyang
 $(LIBYANG)_DEPENDS += $(SWIG_BASE) $(SWIG)
 SONIC_MAKE_DEBS += $(LIBYANG)
 SONIC_STRETCH_DEBS += $(LIBYANG)
 
-LIBYANG_DEV = libyang-dev_$(LIBYANG_VERSION)-$(LIBYANG_SUBVERSION)_$(CONFIGURED_ARCH).deb
+LIBYANG_DEV = libyang-dev_$(LIBYANG_VERSION)_$(CONFIGURED_ARCH).deb
 $(eval $(call add_derived_package,$(LIBYANG),$(LIBYANG_DEV)))
 
-LIBYANG_DBG = libyang$(LIBYANG_VERSION_BASE)-dbgsym_$(LIBYANG_VERSION)-$(LIBYANG_SUBVERSION)_$(CONFIGURED_ARCH).deb
+LIBYANG_DBG = libyang-dbg_$(LIBYANG_VERSION)_$(CONFIGURED_ARCH).deb
 $(eval $(call add_derived_package,$(LIBYANG),$(LIBYANG_DBG)))
 
-export LIBYANG LIBYANG_DEV LIBYANG_DBG
+LIBYANG_CPP = libyang-cpp_$(LIBYANG_VERSION)_$(CONFIGURED_ARCH).deb
+$(eval $(call add_derived_package,$(LIBYANG),$(LIBYANG_CPP)))
+
+LIBYANG_PY3 = python3-yang_$(LIBYANG_VERSION)_$(CONFIGURED_ARCH).deb
+$(eval $(call add_derived_package,$(LIBYANG),$(LIBYANG_PY3)))
+
+LIBYANG_PY2 = python2-yang_$(LIBYANG_VERSION)_$(CONFIGURED_ARCH).deb
+$(eval $(call add_derived_package,$(LIBYANG),$(LIBYANG_PY2)))
+
+export LIBYANG LIBYANG_DBG LIBYANG_DEV LIBYANG_CPP LIBYANG_PY3 LIBYANG_PY2

src/libyang/Makefile

@@ -3,19 +3,26 @@ SHELL = /bin/bash
 .SHELLFLAGS += -e
 
 MAIN_TARGET = $(LIBYANG)
-DERIVED_TARGETS = $(LIBYANG_DEV) $(LIBYANG_DBG)
+DERIVED_TARGETS = $(LIBYANG_DEV) $(LIBYANG_DBG) $(LIBYANG_PY2) $(LIBYANG_PY3) $(LIBYANG_CPP)
 
 $(addprefix $(DEST)/, $(MAIN_TARGET)): $(DEST)/% :
+        # Obtaining the libyang
 	rm -fr ./libyang-$(LIBYANG_VERSION)
-	wget -O libyang_$(LIBYANG_VERSION).orig.tar.gz                         'https://sonicstorage.blob.core.windows.net/packages/libyang_0.16.105.orig.tar.gz?sv=2015-04-05&sr=b&sig=yTWDhl6B9TTXWAQ46zpLiNxUib61W7U0%2F%2FGvhRibKOc%3D&se=2046-09-30T22%3A10%3A27Z&sp=r'
-	wget -O libyang_$(LIBYANG_VERSION).dsc                                 'https://sonicstorage.blob.core.windows.net/packages/libyang_0.16.105-1.dsc?sv=2015-04-05&sr=b&sig=eLkO5wzB1C5oKNIaUPro4gwrgEC3EygIO6eCyTzHmeI%3D&se=2046-09-30T22%3A10%3A12Z&sp=r'
-	wget -O libyang_$(LIBYANG_VERSION)-$(LIBYANG_SUBVERSION).debian.tar.xz 'https://sonicstorage.blob.core.windows.net/packages/libyang_0.16.105-1.debian.tar.xz?sv=2015-04-05&sr=b&sig=AH18p7pKK0xIBVxZuA8EMv9%2FhXbCFKmbWAn7Za8%2BZW4%3D&se=2046-09-30T22%3A09%3A36Z&sp=r'
-	dpkg-source -x libyang_$(LIBYANG_VERSION).dsc
+	git clone https://github.com/CESNET/libyang.git libyang-$(LIBYANG_VERSION)
+	pushd libyang-$(LIBYANG_VERSION)
+	git checkout tags/v1.0-r4 -b libyang
+	# Apply patch series
+	stg init
+	stg import -s ../patch/series
 
-	pushd ./libyang-$(LIBYANG_VERSION)
-	dpkg-buildpackage -rfakeroot -b -us -uc -j$(SONIC_CONFIG_MAKE_JOBS)
-	popd
+	mkdir build
+	pushd build
+	cmake ..
+	make build-deb
 
-	mv $(DERIVED_TARGETS) $* $(DEST)/
+	pushd debs
+	mv $* $(DEST)/
+	mv $(DERIVED_TARGETS) $(DEST)/
+	popd
 
 $(addprefix $(DEST)/, $(DERIVED_TARGETS)): $(DEST)/% : $(DEST)/$(MAIN_TARGET)

src/libyang/patch/libyang.patch

@@ -0,0 +1,134 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index fa562dd3..8635ba15 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -33,6 +33,7 @@ set(LIBYANG_MICRO_SOVERSION 2)
+ set(LIBYANG_SOVERSION_FULL ${LIBYANG_MAJOR_SOVERSION}.${LIBYANG_MINOR_SOVERSION}.${LIBYANG_MICRO_SOVERSION})
+ set(LIBYANG_SOVERSION ${LIBYANG_MAJOR_SOVERSION})
+
++set(CMAKE_INSTALL_PREFIX /usr)
+ # set default build type if not specified by user
+ if(NOT CMAKE_BUILD_TYPE)
+     set(CMAKE_BUILD_TYPE debug)
+diff --git a/packages/debian.control.in b/packages/debian.control.in
+index da6588b9..fb3ede48 100644
+--- a/packages/debian.control.in
++++ b/packages/debian.control.in
+@@ -53,3 +53,15 @@ Depends: python3-yang@PACKAGE_PART_NAME@ (=@LIBYANG_VERSION@)
+ Section: debug
+ Architecture: any
+ Description: Debug symbols of python3 bidings of libyang library.
++
++Package: python2-yang@PACKAGE_PART_NAME@
++Depends: @PACKAGE_NAME@ (=@LIBYANG_VERSION@), libyang-cpp@PACKAGE_PART_NAME@ (=@LIBYANG_VERSION@)
++Section: libs
++Architecture: any
++Description: Bindings of libyang library to python2 language.
++
++Package: python2-yang@PACKAGE_PART_NAME@-dbg
++Depends: python2-yang@PACKAGE_PART_NAME@ (=@LIBYANG_VERSION@)
++Section: debug
++Architecture: any
++Description: Debug symbols of python2 bidings of libyang library.
+diff --git a/packages/debian.python2-yang.install b/packages/debian.python2-yang.install
+new file mode 100644
+index 00000000..14ce2f3c
+--- /dev/null
++++ b/packages/debian.python2-yang.install
+@@ -0,0 +1 @@
++usr/lib/python2.7/dist-packages/*
+diff --git a/packages/debian.rules.in b/packages/debian.rules.in
+index d565819e..e92fe4a1 100644
+--- a/packages/debian.rules.in
++++ b/packages/debian.rules.in
+@@ -9,10 +9,14 @@ export DH_VERBOSE=1
+ override_dh_strip:
+ 	dh_strip -plibyang@PACKAGE_PART_NAME@  --dbg-package=libyang@PACKAGE_PART_NAME@-dbg
+ 	dh_strip -plibyang-cpp@PACKAGE_PART_NAME@ --dbg-package=libyang-cpp@PACKAGE_PART_NAME@-dbg
++	dh_strip -ppython2-yang@PACKAGE_PART_NAME@ --dbg-package=python2-yang@PACKAGE_PART_NAME@-dbg
+ 	dh_strip -ppython3-yang@PACKAGE_PART_NAME@ --dbg-package=python3-yang@PACKAGE_PART_NAME@-dbg
+
+ override_dh_auto_configure:
+-	cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr -DCMAKE_BUILD_TYPE:String="@BUILD_TYPE@" -DGEN_LANGUAGE_BINDINGS=ON .
++	cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr -DCMAKE_BUILD_TYPE:String="@BUILD_TYPE@" -DENABLE_LYD_PRIV=ON -DGEN_LANGUAGE_BINDINGS=ON -DGEN_PYTHON_VERSION=2 .
++
++override_dh_makeshlibs:
++	dh_makeshlibs -Xextensions -Xuser_types
+
+ override_dh_auto_test:
+ 	ctest --output-on-failure
+diff --git a/packages/libyang.dsc.in b/packages/libyang.dsc.in
+index fdfa402b..f75ba184 100644
+--- a/packages/libyang.dsc.in
++++ b/packages/libyang.dsc.in
+@@ -1,10 +1,10 @@
+ Format: 3.0 (quilt)
+ Source: @PACKAGE_NAME@
+-Binary: @PACKAGE_NAME@, @PACKAGE_NAME@-dbg, @PACKAGE_NAME@-dev, libyang-cpp@PACKAGE_PART_NAME@, libyang-cpp@PACKAGE_PART_NAME@-dev, libyang-cpp@PACKAGE_PART_NAME@-dbg, python3-yang@PACKAGE_PART_NAME@, python3-yang@PACKAGE_PART_NAME@-dbg
++Binary: @PACKAGE_NAME@, @PACKAGE_NAME@-dbg, @PACKAGE_NAME@-dev, libyang-cpp@PACKAGE_PART_NAME@, libyang-cpp@PACKAGE_PART_NAME@-dev, libyang-cpp@PACKAGE_PART_NAME@-dbg, python3-yang@PACKAGE_PART_NAME@, python3-yang@PACKAGE_PART_NAME@-dbg python2-yang@PACKAGE_PART_NAME@, python2-yang@PACKAGE_PART_NAME@-dbg
+ Maintainer: CESNET <[email protected]>
+ Version: @LIBYANG_VERSION@
+ Architecture: any
+ Standards-Version: 3.8.2
+ Homepage: https://github.com/CESNET/libyang
+ Vcs-Git: https://github.com/CESNET/libyang
+-Build-Depends: debhelper (>= 9), make, gcc, doxygen, cmake, pkg-config, libpcre3-dev, libcmocka-dev, python3-dev, g++, swig (>= 3.0.12)
++Build-Depends: debhelper (>= 9), make, gcc, doxygen, cmake, pkg-config, libpcre3-dev, libcmocka-dev, python3-dev, python2-dev, g++, swig (>= 3.0.12)
+diff --git a/packages/libyang.spec.in b/packages/libyang.spec.in
+index 6a4ac615..6939f028 100644
+--- a/packages/libyang.spec.in
++++ b/packages/libyang.spec.in
+@@ -46,6 +46,8 @@ BuildRequires:  python3-devel
+ %else
+ BuildRequires:  python34-devel
+ %endif
++
++BuildRequires:  python2-devel
+ %endif
+
+ Conflicts: @CONFLICT_PACKAGE_NAME@ = @LIBYANG_MAJOR_VERSION@.@LIBYANG_MINOR_VERSION@
+@@ -70,6 +72,11 @@ Summary:    Binding to python
+ Requires:   libyang-cpp@PACKAGE_PART_NAME@ = %{version}-%{release}
+ Requires:   %{name} = %{version}-%{release}
+
++%package -n python2-yang@PACKAGE_PART_NAME@
++Summary:    Binding to python
++Requires:   libyang-cpp@PACKAGE_PART_NAME@ = %{version}-%{release}
++Requires:   %{name} = %{version}-%{release}
++
+ %description -n libyang-cpp@PACKAGE_PART_NAME@
+ Bindings of libyang library to C++ language.
+
+@@ -80,6 +87,10 @@ Headers of bindings to c++ language.
+ Bindings of libyang library to python language.
+ %endif
+
++%description -n python2-yang@PACKAGE_PART_NAME@
++Bindings of libyang library to python language.
++%endif
++
+ %description devel
+ Headers of libyang library.
+
+@@ -167,4 +178,9 @@ make DESTDIR=%{buildroot} install
+ %{_libdir}/python*
+ %endif
+
++%files -n python2-yang@PACKAGE_PART_NAME@
++%defattr(-,root,root)
++%{_libdir}/python*
++%endif
++
+ %changelog
+diff --git a/packages/local-deb.sh.in b/packages/local-deb.sh.in
+index 057bbc67..4318a49d 100755
+--- a/packages/local-deb.sh.in
++++ b/packages/local-deb.sh.in
+@@ -18,6 +18,7 @@ fi
+ cp "@PROJECT_SOURCE_DIR@/packages/debian.libyang-dev.install" debian/@[email protected]
+ cp "@PROJECT_SOURCE_DIR@/packages/debian.libyang-cpp.install" debian/libyang-cpp@[email protected]
+ cp "@PROJECT_SOURCE_DIR@/packages/debian.libyang-cpp-dev.install" debian/libyang-cpp@[email protected]
++cp "@PROJECT_SOURCE_DIR@/packages/debian.python2-yang.install" debian/python2-yang@[email protected]
+ cp "@PROJECT_SOURCE_DIR@/packages/debian.python3-yang.install" debian/python3-yang@[email protected]
+ echo -e "@PACKAGE_NAME@ (@LIBYANG_VERSION@) stable; urgency=low\n" >debian/changelog
+ git log -10 --pretty=format:'  * %s (%aN)%n' 2>/dev/null >>debian/changelog || echo -e "  * unknown changes \n" >>debian/changelog

src/libyang/patch/series

@@ -0,0 +1,2 @@
+libyang.patch
+swig.patch

src/libyang/patch/swig.patch

@@ -0,0 +1,136 @@
+diff --git a/swig/CMakeLists.txt b/swig/CMakeLists.txt
+index 4cee36ec..0baa69ab 100644
+--- a/swig/CMakeLists.txt
++++ b/swig/CMakeLists.txt
+@@ -20,27 +20,34 @@ endif()
+
+ # find Python package
+ if(GEN_PYTHON_BINDINGS AND SWIG_FOUND)
+-    message(STATUS "Python version ${GEN_PYTHON_VERSION} was selected")
+-    unset(PYTHON_LIBRARY CACHE)
+-    unset(PYTHON_EXECUTABLE CACHE)
+-    unset(PYTHON_INCLUDE_DIR CACHE)
+-    unset(PYTHON_LIBRARY_DEBUG CACHE)
+-    if(${GEN_PYTHON_VERSION} STREQUAL "2")
+-        find_package(PythonLibs 2 REQUIRED)
+-        find_package(PythonInterp 2 REQUIRED)
+-        if(NOT PYTHONLIBS_FOUND)
+-            message(WARNING "Did not found Python version 2.x")
+-            message(STATUS "Sysrepo supports Python 2.x and Python 3.x")
+-        endif()
+-    elseif(${GEN_PYTHON_VERSION} STREQUAL "3")
+-        find_package(PythonLibs 3 REQUIRED)
+-        find_package(PythonInterp 3 REQUIRED)
+-        if(NOT PYTHONLIBS_FOUND)
+-            message(WARNING "Did not found Python version 3.x")
+-            message(STATUS "Sysrepo supports Python 2.x and Python 3.x")
+-        endif()
++    if(ENABLE_STATIC)
++        message(WARNING "Can't create a static Python module")
+     else()
+-        message(WARNING "Sysrepo supports Python 2.x and Python 3.x")
++        set(GEN_PYTHON_VERSION 2 3)
++        foreach(CUR_PYTHON_VERSION ${GEN_PYTHON_VERSION})
++            message(STATUS "Python version ${CUR_PYTHON_VERSION} was selected")
++
++            unset(PYTHON_EXECUTABLE CACHE)
++            unset(PYTHON_INCLUDE_PATH CACHE)
++            unset(PYTHON_EXT_SUFFIX CACHE)
++            unset(PYTHON_MODULE_PATH CACHE)
++            set(PYTHON_EXT_SUFFIX ".so")
++
++            find_program(PYTHON_EXECUTABLE NAMES python${CUR_PYTHON_VERSION})
++            execute_process(COMMAND ${PYTHON_EXECUTABLE} -c
++                    "from distutils.sysconfig import get_config_var; print(get_config_var('INCLUDEPY'))"
++                    OUTPUT_VARIABLE PYTHON_INCLUDE_PATH
++                    OUTPUT_STRIP_TRAILING_WHITESPACE )
++            #execute_process(COMMAND ${PYTHON_EXECUTABLE} -c
++            #        "from distutils.sysconfig import get_config_var; print(get_config_var('EXT_SUFFIX'))"
++            #        OUTPUT_VARIABLE PYTHON_EXT_SUFFIX
++            #        OUTPUT_STRIP_TRAILING_WHITESPACE )
++            execute_process(COMMAND ${PYTHON_EXECUTABLE} -c
++                    "from distutils.sysconfig import get_python_lib; print(get_python_lib(plat_specific=True))"
++                    OUTPUT_VARIABLE PYTHON_MODULE_PATH
++                    OUTPUT_STRIP_TRAILING_WHITESPACE )
++            add_subdirectory(python python${CUR_PYTHON_VERSION})
++        endforeach(CUR_PYTHON_VERSION)
+     endif()
+ endif()
+
+@@ -99,12 +106,6 @@ if (GEN_CPP_BINDINGS)
+     endif()
+ endif()
+
+-if(ENABLE_STATIC AND PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND AND (${GEN_PYTHON_VERSION} STREQUAL "2" OR ${GEN_PYTHON_VERSION} STREQUAL "3"))
+-    message(WARNING "Can't create a static Python module")
+-elseif(PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND AND (${GEN_PYTHON_VERSION} STREQUAL "2" OR ${GEN_PYTHON_VERSION} STREQUAL "3"))
+-    add_subdirectory(python)
+-endif()
+-
+ if(NOT ENABLE_STATIC AND GEN_JAVASCRIPT_BINDINGS)
+     message(WARNING "Can't create Javascript bindings with a shared library, please use -DENABLE_STATIC")
+ elseif(ENABLE_STATIC AND GEN_JAVASCRIPT_BINDINGS)
+diff --git a/swig/python/CMakeLists.txt b/swig/python/CMakeLists.txt
+index 994b1234..5d18b8bf 100644
+--- a/swig/python/CMakeLists.txt
++++ b/swig/python/CMakeLists.txt
+@@ -1,30 +1,38 @@
+ set(PYTHON_SWIG_BINDING yang)
++set(PYTHON_SWIG_TARGET yang${CUR_PYTHON_VERSION})
+ include_directories(${PYTHON_INCLUDE_PATH})
+ include_directories(${CMAKE_CURRENT_SOURCE_DIR})
++include_directories(${PROJECT_SOURCE_DIR}/cpp/src)
+
+ set(CMAKE_SWIG_FLAGS "-c++")
+-set(CMAKE_SWIG_FLAGS "-I${PROJECT_SOURCE_DIR}")
++set(CMAKE_SWIG_FLAGS "-I${PROJECT_SOURCE_DIR}" "-I${PROJECT_SOURCE_DIR}/cpp/src")
+ set(CMAKE_SWIG_OUTDIR ${CMAKE_CURRENT_BINARY_DIR})
+
+-set_source_files_properties(${PYTHON_SWIG_BINDING}.i PROPERTIES CPLUSPLUS ON PREFIX "")
++set_source_files_properties(${PYTHON_SWIG_BINDING}.i PROPERTIES CPLUSPLUS ON PREFIX "" SWIG_MODULE_NAME ${PYTHON_SWIG_BINDING})
+
+ if(${CMAKE_VERSION} VERSION_LESS "3.8.0")
+-    swig_add_module(${PYTHON_SWIG_BINDING} python ${PYTHON_SWIG_BINDING}.i)
++    swig_add_module(${PYTHON_SWIG_TARGET} python ${PYTHON_SWIG_BINDING}.i)
+ else()
+-    swig_add_library(${PYTHON_SWIG_BINDING} LANGUAGE python SOURCES ${PYTHON_SWIG_BINDING}.i)
++    swig_add_library(${PYTHON_SWIG_TARGET} LANGUAGE python SOURCES ${PYTHON_SWIG_BINDING}.i)
+ endif()
+-swig_link_libraries(${PYTHON_SWIG_BINDING} ${PYTHON_LIBRARIES} libyang-cpp)
++swig_link_libraries(${PYTHON_SWIG_TARGET} ${PYTHON_LIBRARIES} libyang-cpp)
++
++set_target_properties(_${PYTHON_SWIG_TARGET} PROPERTIES OUTPUT_NAME "_yang${PYTHON_EXT_SUFFIX}" SUFFIX "")
+
+ # Generate header with SWIG run-time functions
+ execute_process(COMMAND ${SWIG_EXECUTABLE} -python -external-runtime ${CMAKE_CURRENT_BINARY_DIR}/swigpyrun.h)
+
+-file(COPY "examples" DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
++add_custom_command(TARGET ${PYTHON_SWIG_TARGET}_swig_compilation POST_BUILD
++        COMMAND sed -e "'s/\\(inst =.*tp_new.*\\)Py_None, Py_None);/PyObject *tup = PyTuple_New(0); \\1tup, Py_None); Py_DECREF(tup);/'" < swigpyrun.h > swigpyrun.h.new
++        COMMAND sed -e "'s/\\(inst =.*tp_new.*\\)Py_None, Py_None);/PyObject *tup = PyTuple_New(0); \\1tup, Py_None); Py_DECREF(tup);/'" < yangPYTHON_wrap.cxx > yangPYTHON_wrap.cxx.new
++        COMMAND diff -q swigpyrun.h swigpyrun.h.new || mv swigpyrun.h.new swigpyrun.h
++        COMMAND diff -q yangPYTHON_wrap.cxx yangPYTHON_wrap.cxx.new || mv yangPYTHON_wrap.cxx.new yangPYTHON_wrap.cxx
++        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
++        )
+
+-execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(plat_specific=True))"
+-                OUTPUT_VARIABLE PYTHON_MODULE_PATH
+-                OUTPUT_STRIP_TRAILING_WHITESPACE )
++file(COPY "examples" DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+
+-install( TARGETS _${PYTHON_SWIG_BINDING} DESTINATION ${PYTHON_MODULE_PATH})
++install( TARGETS _${PYTHON_SWIG_TARGET} DESTINATION ${PYTHON_MODULE_PATH})
+ install( FILES "${CMAKE_CURRENT_BINARY_DIR}/${PYTHON_SWIG_BINDING}.py" DESTINATION ${PYTHON_MODULE_PATH})
+ install( FILES "${CMAKE_CURRENT_BINARY_DIR}/swigpyrun.h" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/libyang)
+
+@@ -51,8 +59,8 @@ if(ENABLE_BUILD_TESTS)
+     ADD_PYTHON_TEST(test_tree_data)
+     ADD_PYTHON_TEST(test_tree_schema)
+
+-    add_custom_command(TARGET ${SWIG_MODULE_${PYTHON_SWIG_BINDING}_REAL_NAME} POST_BUILD
+-        COMMAND cp "${CMAKE_CURRENT_BINARY_DIR}/_${PYTHON_SWIG_BINDING}.so" ${PY2_SWIG_DIR}/tests
++    add_custom_command(TARGET ${SWIG_MODULE_${PYTHON_SWIG_TARGET}_REAL_NAME} POST_BUILD
++            COMMAND cp "${CMAKE_CURRENT_BINARY_DIR}/_yang${PYTHON_EXT_SUFFIX}" ${PY2_SWIG_DIR}/tests/_yang.so
+             COMMAND cp "${CMAKE_CURRENT_BINARY_DIR}/${PYTHON_SWIG_BINDING}.py" ${PY2_SWIG_DIR}/tests
+         WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+         )