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>

1 files changed, 77 insertions, 0 deletions

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)