japi: Move Java API binding to cmake

Change-Id: I264d547a06e3636d021a74cd26efb8137f629cbc
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Signed-off-by: Michal Cmarada <mcmarada@cisco.com>

7 files changed, 308 insertions, 386 deletions

diff --git a/build-data/packages/japi.mk b/build-data/packages/japi.mk
index d6435930f4a..a9df1fcb336 100644
--- a/build-data/packages/japi.mk
+++ b/build-data/packages/japi.mk
@@ -1,6 +1,44 @@
+# Copyright (c) 2017-2018 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 japi_configure_depend = vpp-install
 japi_source = extras
 japi_configure_subdir = japi
-japi_CPPFLAGS = $(call installed_includes_fn, vpp) $(call installed_includes_fn, vpp)/vpp_plugins
-japi_LDFLAGS = $(call installed_libs_fn, vpp)
 
+ifneq ($(shell which cmake3),)
+CMAKE?=cmake3
+else
+CMAKE?=cmake
+endif
+
+japi_cmake_args ?=
+japi_cmake_args += -DCMAKE_INSTALL_PREFIX:PATH=$(PACKAGE_INSTALL_DIR)
+japi_cmake_args += -DCMAKE_C_FLAGS="$($(TAG)_TAG_CFLAGS)"
+japi_cmake_args += -DCMAKE_SHARED_LINKER_FLAGS="$($(TAG)_TAG_LDFLAGS)"
+japi_cmake_args += -DCMAKE_PREFIX_PATH:PATH="$(PACKAGE_INSTALL_DIR)/../vpp"
+ifeq ("$(V)","1")
+japi_cmake_args += -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON
+endif
+
+#Use devtoolset on centos 7
+ifneq ($(wildcard /opt/rh/devtoolset-7/enable),)
+japi_cmake_args += -DCMAKE_PROGRAM_PATH:PATH="/opt/rh/devtoolset-7/root/bin"
+endif
+
+japi_configure = \
+ cd $(PACKAGE_BUILD_DIR) && \
+ $(CMAKE) -G Ninja $(japi_cmake_args) $(call find_source_fn,$(PACKAGE_SOURCE))$(PACKAGE_SUBDIR)
+
+japi_build = $(CMAKE) --build $(PACKAGE_BUILD_DIR) -- $(MAKE_PARALLEL_FLAGS)
+
+japi_install = $(CMAKE) --build $(PACKAGE_BUILD_DIR) -- install
diff --git a/extras/japi/CMakeLists.txt b/extras/japi/CMakeLists.txt
new file mode 100644
index 00000000000..274dd0798da
--- /dev/null
+++ b/extras/japi/CMakeLists.txt
@@ -0,0 +1,77 @@
+# Copyright (c) 2018 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+
+project(japi)
+
+include(CheckCCompilerFlag)
+
+if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
+  set(CMAKE_C_FLAGS "-march=corei7 -mtune=corei7-avx ${CMAKE_C_FLAGS}")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
+  set(CMAKE_C_FLAGS "-march=armv8-a+crc ${CMAKE_C_FLAGS}")
+endif()
+
+check_c_compiler_flag("-Wno-address-of-packed-member" compiler_flag_no_address_of_packed_member)
+if (compiler_flag_no_address_of_packed_member)
+  add_definitions(-Wno-address-of-packed-member)
+endif()
+
+execute_process(
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../../src
+  COMMAND scripts/version
+  OUTPUT_VARIABLE JAPI_VERSION
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+string(REPLACE "-" ";" JAPI_LIB_VERSION ${JAPI_VERSION})
+list(GET JAPI_LIB_VERSION 0 JAPI_LIB_VERSION)
+
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/lib)
+set(CMAKE_INSTALL_MESSAGE NEVER)
+
+find_package(Threads REQUIRED)
+
+unset(dirlist)
+
+macro(subdirlist dirlist dirpath)
+  file(GLOB dirs RELATIVE ${dirpath} ${dirpath}/*)
+  foreach(dir ${dirs})
+    if(IS_DIRECTORY ${dirpath}/${dir})
+      list(APPEND dirlist ${dirpath}/${dir})
+    endif()
+  endforeach()
+endmacro()
+
+list(APPEND dirlist $ENV{JAVA_HOME})
+subdirlist(dirlist /usr/lib/jvm)
+subdirlist(dirlist /usr/lib64/jvm)
+
+unset(JAVA_HOME_SET)
+find_path(JAVA_HOME_SET NAMES include/jni.h PATHS ${dirlist})
+if (NOT JAVA_HOME_SET)
+  message("JAVA_HOME is not found")
+else()
+  set(ENV{JAVA_HOME} "${JAVA_HOME_SET}")
+endif()
+
+message("JAVA_HOME: $ENV{JAVA_HOME}")
+
+find_package(Java 1.8 REQUIRED COMPONENTS Development)
+get_filename_component(jvm_path ${Java_JAVAC_EXECUTABLE} DIRECTORY)
+set (Java_INCLUDE_DIRS ${jvm_path}/../include ${jvm_path}/../include/linux)
+
+message("Found java headers ${Java_INCLUDE_DIRS}")
+message("Found javac at: " ${Java_JAVAC_EXECUTABLE})
+add_subdirectory(java)
diff --git a/extras/japi/Makefile.am b/extras/japi/Makefile.am
deleted file mode 100644
index 81ff5bb049e..00000000000
--- a/extras/japi/Makefile.am
+++ /dev/null
@@ -1,5 +0,0 @@
-
-
-AUTOMAKE_OPTIONS = foreign subdir-objects
-
-SUBDIRS = java
diff --git a/extras/japi/configure.ac b/extras/japi/configure.ac
deleted file mode 100644
index f6e7b53ac7f..00000000000
--- a/extras/japi/configure.ac
+++ /dev/null
@@ -1,57 +0,0 @@
-AC_INIT(japi, 18.10)
-LT_INIT
-AM_INIT_AUTOMAKE
-AM_SILENT_RULES([yes])
-AC_PREFIX_DEFAULT([/usr])
-
-PKG_CHECK_MODULES([CHECK], [check], [HAVE_CHECK=1], [HAVE_CHECK=0])
-AM_CONDITIONAL([USE_CHECK],[test "$HAVE_CHECK" -eq 1])
-
-AC_PROG_CC
-AC_PROG_CXX
-
-# Check if compiler supports specific flag
-AC_DEFUN([CC_CHECK_FLAG],
-[
-  AC_MSG_CHECKING([if $CC supports $1])
-  AC_LANG_PUSH([C])
-  ac_saved_cflags="$CFLAGS"
-  CFLAGS="-Werror $1"
-  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
-  [cc_flag_check=yes],
-  [cc_flag_check=no]
-)
-  AC_MSG_RESULT([$cc_flag_check])
-  CFLAGS="$ac_saved_cflags"
-  AC_LANG_POP([C])
-])
-
-CC_CHECK_FLAG("-Wno-address-of-packed-member")
-AS_IF([test "$cc_flag_check" = yes],
-        [CFLAGS="${CFLAGS} -Wno-address-of-packed-member"], [])
-
-AM_CONDITIONAL(ENABLE_ACL_PLUGIN, test "yes" = "yes")
-AM_CONDITIONAL(ENABLE_NAT_PLUGIN, test "yes" = "yes")
-AM_CONDITIONAL(ENABLE_L2E_PLUGIN, test "yes" = "yes")
-AM_CONDITIONAL(ENABLE_GBP_PLUGIN, test "yes" = "yes")
-AM_CONDITIONAL(ENABLE_PPPOE_PLUGIN, test "yes" = "yes")
-AM_CONDITIONAL(ENABLE_GTPU_PLUGIN, test "yes" = "yes")
-AM_CONDITIONAL(ENABLE_IOAM_PLUGIN, test "yes" = "yes")
-AM_CONDITIONAL(ENABLE_NSH_PLUGIN, test "yes" = "yes")
-
-AX_VPP_FIND_JDK8
-AC_SUBST(JAVA_HOME)
-AC_SUBST(JAVAC)
-AC_SUBST(JAVAH)
-AC_SUBST(JAR)
-
-AS_CASE([$host_cpu],
-	[x86_64], [CPU_FLAGS="-march=corei7 -mtune=corei7-avx"],
-	[aarch64], [CPU_FLAGS="-march=armv8-a+crc"],
-	[CPU_FLAGS=""],
-)
-AC_SUBST([CPU_FLAGS])
-
-AC_OUTPUT([Makefile java/Makefile])
-
-AC_CONFIG_MACRO_DIR([m4])
diff --git a/extras/japi/java/CMakeLists.txt b/extras/japi/java/CMakeLists.txt
new file mode 100644
index 00000000000..0cbdd514711
--- /dev/null
+++ b/extras/japi/java/CMakeLists.txt
@@ -0,0 +1,191 @@
+# Copyright (c) 2018 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+find_path(VNET_INCLUDE_DIR NAMES vnet/api_errno.h)
+find_library(VPPINFRA_DIR NAMES vppinfra REQUIRED)
+find_library(VLIBMEMORYCLIENT_DIR NAMES vlibmemoryclient REQUIRED)
+find_library(SVM_DIR NAMES svm REQUIRED)
+
+include_directories(${VNET_INCLUDE_DIR}
+                    ${VNET_INCLUDE_DIR}/vpp_plugins
+                    ${Java_INCLUDE_DIRS}
+                    ${CMAKE_CURRENT_SOURCE_DIR}
+                    ${CMAKE_BINARY_DIR/../vpp/plugins})
+add_compile_options(-Wall)
+############# Common package ##################
+add_library(jvpp_common SHARED jvpp-common/jvpp_common.c)
+set_target_properties(jvpp_common PROPERTIES SOVERSION ${JAPI_LIB_VERSION})
+target_link_libraries(jvpp_common ${VPPINFRA_DIR})
+install(TARGETS jvpp_common DESTINATION lib COMPONENT libjvpp_common)
+install(FILES jvpp-common/jvpp_common.h DESTINATION include/japi/)
+
+set(JVPP_LIBS jvpp_common ${VPPINFRA_DIR} ${VLIBMEMORYCLIENT_DIR} ${SVM_DIR}
+  Threads::Threads m rt)
+
+############# Registry package ##################
+set(PACKAGE_DIR_JVPP_REGISTRY io/fd/vpp/jvpp)
+unset(files)
+FILE(GLOB files RELATIVE
+  ${CMAKE_CURRENT_SOURCE_DIR}
+  ${CMAKE_CURRENT_SOURCE_DIR}/jvpp-registry/${PACKAGE_DIR_JVPP_REGISTRY}/*.java
+  ${CMAKE_CURRENT_SOURCE_DIR}/jvpp-registry/${PACKAGE_DIR_JVPP_REGISTRY}/*/*.java
+)
+
+add_custom_target (jvpp-registry-classes)
+add_custom_command (TARGET jvpp-registry-classes
+  PRE_BUILD
+  COMMAND mkdir -p jvpp-registry/target
+  COMMAND mkdir -p ${CMAKE_CURRENT_BINARY_DIR}/jvpp-registry
+  COMMAND ${Java_JAVAC_EXECUTABLE}
+  ARGS -d ${CMAKE_CURRENT_SOURCE_DIR}/jvpp-registry/target -h jvpp-registry ${files}
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+add_library(jvpp_registry SHARED jvpp-registry/jvpp_registry.c)
+target_link_libraries(jvpp_registry ${JVPP_LIBS})
+include_directories(jvpp-registry)
+add_dependencies(jvpp_registry jvpp_common jvpp-registry-classes)
+
+add_custom_target (jvpp-registry)
+add_dependencies(jvpp-registry jvpp_registry)
+add_custom_command(TARGET jvpp-registry
+    PRE_BUILD
+    COMMAND cp ${CMAKE_BINARY_DIR}/lib/libjvpp_registry.so jvpp-registry/target
+    COMMAND ${Java_JAR_EXECUTABLE} ARGS cf
+      ${CMAKE_CURRENT_BINARY_DIR}/jvpp-registry-${JAPI_LIB_VERSION}.jar
+      -C jvpp-registry/target .
+    COMMAND rm ARGS -rf jvpp-registry/target
+      jvpp-registry/io_fd_vpp_jvpp_*.h
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    COMMENT "JAR_GEN registry"
+)
+install(
+    FILES ${CMAKE_CURRENT_BINARY_DIR}/jvpp-registry-${JAPI_LIB_VERSION}.jar
+    DESTINATION share/java
+)
+
+############## Functions #########################
+function(japigen name)
+  if(NOT VPP_JAVA_APIGEN)
+    set(VPP_JAVA_APIGEN ${CMAKE_CURRENT_SOURCE_DIR}/jvpp/gen/jvpp_gen.py)
+  endif()
+  add_custom_target(japigen-${name} DEPENDS jvpp-registry)
+  add_custom_command(TARGET japigen-${name}
+    POST_BUILD
+    COMMAND mkdir -p jvpp-${name}/target
+    COMMAND mkdir -p ${CMAKE_CURRENT_BINARY_DIR}/jvpp-${name}
+    COMMAND ${VPP_JAVA_APIGEN}
+      ARGS --plugin_name ${name} --root_dir jvpp-${name} -i ${ARGN}
+    COMMAND find jvpp-${name} -name \*.java > jvpp-${name}/jvpp-${name}.files
+    COMMAND ${Java_JAVAC_EXECUTABLE}
+      ARGS -cp ${CMAKE_CURRENT_BINARY_DIR}/jvpp-registry-${JAPI_LIB_VERSION}.jar -d
+      ${CMAKE_CURRENT_SOURCE_DIR}/jvpp-${name}/target -h jvpp-${name}
+      @jvpp-${name}/jvpp-${name}.files
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    COMMENT "JAVA_API_GEN ${name}"
+  )
+endfunction()
+
+function(jargen name)
+  add_custom_command(TARGET jvpp_${name}
+    POST_BUILD
+    COMMAND cp ${CMAKE_BINARY_DIR}/lib/libjvpp_${name}.so jvpp-${name}/target
+    COMMAND ${Java_JAR_EXECUTABLE} ARGS cf
+      ${CMAKE_CURRENT_BINARY_DIR}/jvpp-${name}-${JAPI_LIB_VERSION}.jar
+      -C jvpp-${name}/target .
+    COMMAND rm ARGS -rf jvpp-${name}/target jvpp-${name}/jvpp-${name}.files
+      jvpp-${name}/jvpp_${name}_gen.h jvpp-${name}/io_fd_vpp_jvpp_*.h
+      jvpp-registry/io_fd_vpp_jvpp_*.h
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+    COMMENT "JAR_GEN ${name}"
+  )
+  install(
+    FILES ${CMAKE_CURRENT_BINARY_DIR}/jvpp-${name}-${JAPI_LIB_VERSION}.jar
+    DESTINATION share/java
+  )
+endfunction()
+
+function(java_api_binding name src_file)
+  japigen (${name} ${ARGN})
+  add_library(jvpp_${name} SHARED jvpp-${name}/jvpp_${src_file}.c)
+  target_link_libraries(jvpp_${name} ${JVPP_LIBS})
+  include_directories(jvpp-${name})
+  add_dependencies(jvpp_${name} jvpp_common jvpp_registry japigen-${name})
+  jargen (${name})
+endfunction()
+
+############ Core Package #######################
+unset (files)
+unset (JSON_API_PATH)
+set (JSON_API_PATH ${CMAKE_BINARY_DIR}/../vpp)
+
+FILE(GLOB_RECURSE files RELATIVE
+  ${CMAKE_CURRENT_SOURCE_DIR}
+  ${JSON_API_PATH}/vnet/*.api.json
+  ${JSON_API_PATH}/vpp/*.api.json
+)
+
+java_api_binding (core core ${files})
+
+############ Plugin Packages #######################
+unset (ACL_JSON_FILE)
+unset (NAT_JSON_FILE)
+unset (NSH_JSON_FILE)
+unset (GTPU_JSON_FILE)
+unset (PPPOE_JSON_FILE)
+unset (IOAM_TRACE_JSON_FILE)
+unset (IOAM_POT_JSON_FILE)
+unset (IOAM_EXPORT_JSON_FILE)
+
+set (plugin_path ${CMAKE_BINARY_DIR}/../vpp/plugins)
+
+find_file(ACL_JSON_FILE NAMES acl.api.json HINTS ${plugin_path} PATH_SUFFIXES acl)
+find_file(NAT_JSON_FILE NAMES nat.api.json HINTS ${plugin_path} PATH_SUFFIXES nat)
+find_file(NSH_JSON_FILE NAMES nsh.api.json HINTS ${plugin_path} PATH_SUFFIXES nsh)
+find_file(GTPU_JSON_FILE NAMES gtpu.api.json HINTS ${plugin_path} PATH_SUFFIXES gtpu)
+find_file(PPPOE_JSON_FILE NAMES pppoe.api.json HINTS ${plugin_path} PATH_SUFFIXES pppoe)
+find_file(IOAM_TRACE_JSON_FILE NAMES trace.api.json HINTS ${plugin_path} PATH_SUFFIXES ioam/lib-trace)
+find_file(IOAM_POT_JSON_FILE NAMES pot.api.json HINTS ${plugin_path} PATH_SUFFIXES ioam/lib-pot)
+find_file(IOAM_EXPORT_JSON_FILE NAMES ioam_export.api.json HINTS ${plugin_path} PATH_SUFFIXES ioam/export)
+
+if(ACL_JSON_FILE)
+  java_api_binding (acl acl ${ACL_JSON_FILE})
+endif()
+
+if(NAT_JSON_FILE)
+  java_api_binding (nat nat ${NAT_JSON_FILE})
+endif()
+
+if(NSH_JSON_FILE)
+  java_api_binding (nsh nsh ${NSH_JSON_FILE})
+endif()
+
+if(GTPU_JSON_FILE)
+  java_api_binding (gtpu gtpu ${GTPU_JSON_FILE})
+endif()
+
+if(PPPOE_JSON_FILE)
+  java_api_binding (pppoe pppoe ${PPPOE_JSON_FILE})
+endif()
+
+if(IOAM_TRACE_JSON_FILE)
+  java_api_binding (ioamtrace ioam_trace ${IOAM_TRACE_JSON_FILE})
+endif()
+
+if(IOAM_POT_JSON_FILE)
+  java_api_binding (ioampot ioam_pot ${IOAM_POT_JSON_FILE})
+endif()
+
+if(IOAM_EXPORT_JSON_FILE)
+  java_api_binding (ioamexport ioam_export ${IOAM_EXPORT_JSON_FILE})
+endif()
diff --git a/extras/japi/java/Makefile.am b/extras/japi/java/Makefile.am
deleted file mode 100644
index d33ae82ff0d..00000000000
--- a/extras/japi/java/Makefile.am
+++ /dev/null
@@ -1,279 +0,0 @@
-# Copyright (c) 2016 Cisco and/or its affiliates.
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at:
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-AUTOMAKE_OPTIONS = foreign subdir-objects
-ACLOCAL_AMFLAGS = -I m4
-AM_LIBTOOLFLAGS = --quiet
-
-AM_CFLAGS = @CPU_FLAGS@ -Wall -I${top_srcdir} -I${top_builddir} \
-  -I$(JAVA_HOME)/include -I$(JAVA_HOME)/include/linux \
-  -I@top_srcdir@/plugins -I@top_builddir@/plugins
-
-AM_LDFLAGS = -shared -avoid-version -rpath /none -no-undefined
-
-BUILT_SOURCES =
-bin_PROGRAMS =
-noinst_LTLIBRARIES =
-JAR_FILES =
-CLEANDIRS =
-
-#
-# jvpp-common
-#
-
-nobase_include_HEADERS =                \
-  jvpp-common/jvpp_common.h
-
-lib_LTLIBRARIES = libjvpp_common.la
-libjvpp_common_la_SOURCES = jvpp-common/jvpp_common.c
-libjvpp_common_la_LDFLAGS = shared -rpath /none -no-undefined -lvppinfra
-
-JVPP_LIBS = \
-  libjvpp_common.la \
-  -lvppinfra -lvlibmemoryclient -lsvm -lpthread -lm -lrt
-
-#
-# jvpp-registry (connection management + plugin registry)
-#
-
-noinst_LTLIBRARIES += libjvpp_registry.la
-
-libjvpp_registry_la_SOURCES = jvpp-registry/jvpp_registry.c
-libjvpp_registry_la_CPPFLAGS = -Ijvpp-registry
-libjvpp_registry_la_LIBADD = $(JVPP_LIBS)
-libjvpp_registry_la_DEPENDENCIES = libjvpp_common.la
-
-packagedir_jvpp_registry = io/fd/vpp/jvpp
-jvpp_registry_src_files := \
-  $(wildcard @srcdir@/jvpp-registry/$(packagedir_jvpp_registry)/*.java) \
-  $(wildcard @srcdir@/jvpp-registry/$(packagedir_jvpp_registry)/**/*.java)
-
-BUILT_SOURCES += jvpp-registry/io_fd_vpp_jvpp_VppJNIConnection.h
-CLEANDIRS += jvpp-registry/target
-JAR_FILES += jvpp-registry-$(PACKAGE_VERSION).jar
-
-jvpp_registry_ok = jvpp-registry/io_fd_vpp_jvpp_VppJNIConnection.h
-
-jvpp-registry/io_fd_vpp_jvpp_VppJNIConnection.h: $(jvpp_registry_src_files)
-	@echo "  JVPP GEN  $@"
-	@rm -rf jvpp-registry/target
-	@mkdir -p jvpp-registry/target
-	@$(JAVAC) -source 8 -target 8 -d jvpp-registry/target -h jvpp-registry $^
-	@touch jvpp-registry.ok
-
-define japigen
-	@echo "  JVPP GEN  $@"
-	@rm -rf jvpp-$(1)/target
-	@ @srcdir@/jvpp/gen/jvpp_gen.py --plugin_name $(1) --root_dir jvpp-$(1) \
-	  -i $(jvpp_$(1)_json_files)
-	@find jvpp-$(1)/target -name \*.java > jvpp-$(1).generated.files
-	@find @srcdir@/jvpp-$(1) -name \*.java > jvpp-$(1).static.files
-	@$(JAVAC) -source 8 -target 8 -classpath jvpp-registry/target \
-	  -d jvpp-$(1)/target -h jvpp-$(1) @jvpp-$(1).generated.files @jvpp-$(1).static.files
-endef
-
-#
-# jvpp-core (Java wrapper for vpe.api)
-#
-noinst_LTLIBRARIES += libjvpp_core.la
-libjvpp_core_la_SOURCES = jvpp-core/jvpp_core.c jvpp-core/jvpp_core_gen.h
-libjvpp_core_la_CPPFLAGS = -Ijvpp-registry -Ijvpp-core
-libjvpp_core_la_LIBADD = $(JVPP_LIBS)
-libjvpp_core_la_DEPENDENCIES = libjvpp_common.la
-
-BUILT_SOURCES += jvpp-core/io_fd_vpp_jvpp_core_JVppCoreImpl.h
-JAR_FILES += jvpp-core-$(PACKAGE_VERSION).jar
-CLEANDIRS += jvpp-core/target
-
-# Include all VPP API files
-jvpp_core_json_files = $(shell find @top_builddir@/../vpp/vnet  -type f -name '*.api.json')
-jvpp_core_json_files += $(shell find @top_builddir@/../vpp/vpp -type f -name '*.api.json')
-# except for plugins and unsupported ones:
-# jvpp_core_json_files += @top_builddir@/vlibmemory/memclnt.api.json
-
-jvpp-core/io_fd_vpp_jvpp_core_JVppCoreImpl.h: $(jvpp_registry_ok) $(jvpp_core_json_files)
-	$(call japigen,core,JVppCoreImpl)
-
-#
-# ACL Plugin
-#
-if ENABLE_ACL_PLUGIN
-noinst_LTLIBRARIES += libjvpp_acl.la
-libjvpp_acl_la_SOURCES = jvpp-acl/jvpp_acl.c
-libjvpp_acl_la_CPPFLAGS = -Ijvpp-acl
-libjvpp_acl_la_LIBADD = $(JVPP_LIBS)
-libjvpp_acl_la_DEPENDENCIES = libjvpp_common.la
-
-BUILT_SOURCES += jvpp-acl/io_fd_vpp_jvpp_acl_JVppAclImpl.h
-JAR_FILES += jvpp-acl-$(PACKAGE_VERSION).jar
-CLEANDIRS += jvpp-acl/target
-
-jvpp_acl_json_files = @top_builddir@/../vpp/plugins/acl/acl.api.json
-
-jvpp-acl/io_fd_vpp_jvpp_acl_JVppAclImpl.h: $(jvpp_registry_ok) $(jvpp_acl_json_files)
-	$(call japigen,acl,JVppAclImpl)
-endif
-
-#
-# GTPU Plugin
-#
-if ENABLE_GTPU_PLUGIN
-noinst_LTLIBRARIES += libjvpp_gtpu.la
-libjvpp_gtpu_la_SOURCES = jvpp-gtpu/jvpp_gtpu.c
-libjvpp_gtpu_la_CPPFLAGS = -Ijvpp-gtpu
-libjvpp_gtpu_la_LIBADD = $(JVPP_LIBS)
-libjvpp_gtpu_la_DEPENDENCIES = libjvpp_common.la
-
-BUILT_SOURCES += jvpp-gtpu/io_fd_vpp_jvpp_gtpu_JVppGtpuImpl.h
-JAR_FILES += jvpp-gtpu-$(PACKAGE_VERSION).jar
-CLEANDIRS += jvpp-gtpu/target
-
-jvpp_gtpu_json_files = @top_builddir@/../vpp/plugins/gtpu/gtpu.api.json
-
-jvpp-gtpu/io_fd_vpp_jvpp_gtpu_JVppGtpuImpl.h: $(jvpp_registry_ok) $(jvpp_gtpu_json_files)
-	$(call japigen,gtpu,JVppGtpuImpl)
-endif
-
-#
-# PPPOE Plugin
-#
-if ENABLE_PPPOE_PLUGIN
-noinst_LTLIBRARIES += libjvpp_pppoe.la
-libjvpp_pppoe_la_SOURCES = jvpp-pppoe/jvpp_pppoe.c
-libjvpp_pppoe_la_CPPFLAGS = -Ijvpp-pppoe
-libjvpp_pppoe_la_LIBADD = $(JVPP_LIBS)
-libjvpp_pppoe_la_DEPENDENCIES = libjvpp_common.la
-
-BUILT_SOURCES += jvpp-pppoe/io_fd_vpp_jvpp_pppoe_JVppPppoeImpl.h
-JAR_FILES += jvpp-pppoe-$(PACKAGE_VERSION).jar
-CLEANDIRS += jvpp-pppoe/target
-
-jvpp_pppoe_json_files = @top_builddir@/../vpp/plugins/pppoe/pppoe.api.json
-
-jvpp-pppoe/io_fd_vpp_jvpp_pppoe_JVppPppoeImpl.h: $(jvpp_registry_ok) $(jvpp_pppoe_json_files)
-	$(call japigen,pppoe,JVppPppoeImpl)
-endif
-
-#
-# NAT Plugin
-#
-if ENABLE_NAT_PLUGIN
-noinst_LTLIBRARIES += libjvpp_nat.la
-libjvpp_nat_la_SOURCES = jvpp-nat/jvpp_nat.c
-libjvpp_nat_la_CPPFLAGS = -Ijvpp-nat
-libjvpp_nat_la_LIBADD = $(JVPP_LIBS)
-libjvpp_nat_la_DEPENDENCIES = libjvpp_common.la
-
-BUILT_SOURCES += jvpp-nat/io_fd_vpp_jvpp_nat_JVppNatImpl.h
-JAR_FILES += jvpp-nat-$(PACKAGE_VERSION).jar
-CLEANDIRS += jvpp-nat/target
-
-jvpp_nat_json_files = @top_builddir@/../vpp/plugins/nat/nat.api.json
-
-jvpp-nat/io_fd_vpp_jvpp_nat_JVppNatImpl.h: $(jvpp_registry_ok) $(jvpp_nat_json_files)
-	$(call japigen,nat,JVppNatImpl)
-endif
-
-#
-# NSH Plugin
-#
-if ENABLE_NSH_PLUGIN
-noinst_LTLIBRARIES += libjvpp_nsh.la
-libjvpp_nsh_la_SOURCES = jvpp-nsh/jvpp_nsh.c
-libjvpp_nsh_la_CPPFLAGS = -Ijvpp-nsh
-libjvpp_nsh_la_LIBADD = $(JVPP_LIBS)
-libjvpp_nsh_la_DEPENDENCIES = libjvpp_common.la
-
-BUILT_SOURCES += jvpp-nsh/io_fd_vpp_jvpp_nsh_JVppNshImpl.h
-JAR_FILES += jvpp-nsh-$(PACKAGE_VERSION).jar
-CLEANDIRS += jvpp-nsh/target
-
-jvpp_nsh_json_files = @top_builddir@/../vpp/plugins/nsh/nsh.api.json
-
-jvpp-nsh/io_fd_vpp_jvpp_nsh_JVppNshImpl.h: $(jvpp_registry_ok) $(jvpp_nsh_json_files)
-	$(call japigen,nsh,JVppNshImpl)
-endif
-
-#
-# iOAM Trace Plugin
-#
-if ENABLE_IOAM_PLUGIN
-noinst_LTLIBRARIES += libjvpp_ioamtrace.la
-libjvpp_ioamtrace_la_SOURCES = jvpp-ioamtrace/jvpp_ioam_trace.c
-libjvpp_ioamtrace_la_LIBADD = $(JVPP_LIBS)
-libjvpp_ioamtrace_la_DEPENDENCIES = libjvpp_common.la
-
-BUILT_SOURCES += jvpp-ioamtrace/io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl.h
-JAR_FILES += jvpp-ioamtrace-$(PACKAGE_VERSION).jar
-CLEANDIRS += jvpp-ioamtrace/target
-
-jvpp_ioamtrace_json_files = @top_builddir@/../vpp/plugins/ioam/lib-trace/trace.api.json
-
-jvpp-ioamtrace/io_fd_vpp_jvpp_ioamtrace_JVppIoamtraceImpl.h: $(jvpp_registry_ok) $(jvpp_ioamtrace_json_files)
-	$(call japigen,ioamtrace,JVppIoamtraceImpl)
-
-#
-# iOAM POT Plugin
-#
-noinst_LTLIBRARIES += libjvpp_ioampot.la
-libjvpp_ioampot_la_SOURCES = jvpp-ioampot/jvpp_ioam_pot.c
-libjvpp_ioampot_la_LIBADD = $(JVPP_LIBS)
-libjvpp_ioampot_la_DEPENDENCIES = libjvpp_common.la
-
-BUILT_SOURCES += jvpp-ioampot/io_fd_vpp_jvpp_ioampot_JVppIoampotImpl.h
-JAR_FILES += jvpp-ioampot-$(PACKAGE_VERSION).jar
-CLEANDIRS += jvpp-ioampot/target
-
-jvpp_ioampot_json_files = @top_builddir@/../vpp/plugins/ioam/lib-pot/pot.api.json
-
-jvpp-ioampot/io_fd_vpp_jvpp_ioampot_JVppIoampotImpl.h: $(jvpp_registry_ok) $(jvpp_ioampot_json_files)
-	$(call japigen,ioampot,JVppIoampotImpl)
-
-#
-# iOAM Export Plugin
-#
-noinst_LTLIBRARIES += libjvpp_ioamexport.la
-libjvpp_ioamexport_la_SOURCES = jvpp-ioamexport/jvpp_ioam_export.c
-libjvpp_ioamexport_la_LIBADD = $(JVPP_LIBS)
-libjvpp_ioamexport_la_DEPENDENCIES = libjvpp_common.la
-
-BUILT_SOURCES += jvpp-ioamexport/io_fd_vpp_jvpp_ioamexport_JVppIoamexportImpl.h
-JAR_FILES += jvpp-ioamexport-$(PACKAGE_VERSION).jar
-CLEANDIRS += jvpp-ioamexport/target
-
-jvpp_ioamexport_json_files = @top_builddir@/../vpp/plugins/ioam/export/ioam_export.api.json
-
-jvpp-ioamexport/io_fd_vpp_jvpp_ioamexport_JVppIoamexportImpl.h: $(jvpp_registry_ok) $(jvpp_ioamexport_json_files)
-	$(call japigen,ioamexport,JVppIoamexportImpl)
-endif
-
-#
-# JAR creation
-#
-jvpp-%-$(PACKAGE_VERSION).jar: libjvpp_%.la
-	@echo "  JAR      $@"
-	@cp .libs/libjvpp_$*.so jvpp-$*/target
-	@$(JAR) cf $(JARFLAGS) $@ -C jvpp-$*/target .
-
-jardir = $(prefix)/share/java
-jar_DATA = $(JAR_FILES)
-
-all-local: $(JAR_FILES)
-
-#
-# Cleanup
-#
-CLEANFILES = jvpp-registry.ok $(JAR_FILES) $(BUILT_SOURCES) *.files */*.h
-
-clean-local:
-	rm -rf $(CLEANDIRS)
diff --git a/extras/japi/m4/ax_vpp_find_jdk8.m4 b/extras/japi/m4/ax_vpp_find_jdk8.m4
deleted file mode 100644
index 94b785038f7..00000000000
--- a/extras/japi/m4/ax_vpp_find_jdk8.m4
+++ /dev/null
@@ -1,43 +0,0 @@
-
-
-AC_DEFUN([AX_VPP_FIND_JDK8],
-[
-while true
-do
-  if test "${JAVA_HOME+set}" = set ; then
-    AC_MSG_CHECKING([${JAVA_HOME} for Java 8 compiler])
-    JAVAC=${JAVA_HOME}/bin/javac
-    JAVAH=${JAVA_HOME}/bin/javah
-    JAR=${JAVA_HOME}/bin/jar
-    JAVA_VERSION=$(${JAVA_HOME}/bin/javac -source 8 -version 2>&1)
-    if test 0 -eq "$?"; then
-      JAVA_VERSION=$(echo "${JAVA_VERSION}" | cut -d\  -f2)
-      AC_MSG_RESULT([ok])
-    else
-      AC_MSG_RESULT([no])
-      AC_MSG_ERROR([Java in ${JAVA_HOME} (path specified in JAVA_HOME) cannot compile Java 8 code])
-    fi
-    break
-  fi
-
-  for dir in $(find /usr/lib*/jvm/* -maxdepth 0 -type d); do
-    AC_MSG_CHECKING([${dir} for Java 8 compiler])
-    JAVA_VERSION=$(${dir}/bin/javac -source 8 -version 2>&1)
-    if test 0 -eq "$?"; then
-      JAVA_VERSION=$(echo "${JAVA_VERSION}" | cut -d\  -f2)
-      JAVA_HOME=${dir}
-      JAVAC=${dir}/bin/javac
-      JAVAH=${dir}/bin/javah
-      JAR=${dir}/bin/jar
-      AC_MSG_RESULT([found version $JAVA_VERSION])
-      break
-    else
-      JAVA_VERSION=""
-      AC_MSG_RESULT([no])
-    fi
-  done
-
-  test "${JAVA_HOME}set" = set && AC_MSG_ERROR([Could not find Java 8 compiler])
-  break
-done
-])