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path: root/extras/japi/CMakeLists.txt
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# 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)