# Copyright (c) 2017 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(memif)
set(CMAKE_C_STANDARD 11)

list(APPEND CMAKE_MODULE_PATH
  ${CMAKE_CURRENT_SOURCE_DIR}/cmake
)

include(CheckCCompilerFlag)
include(CheckFunctionExists)

execute_process(
  COMMAND find ${VPP_SRC} -type d -name "cmake"
  OUTPUT_VARIABLE CMAKE_DEPS_FOLDER
  OUTPUT_STRIP_TRAILING_WHITESPACE
)
include(BuildMacros)

if (NOT CMAKE_BUILD_TYPE)
  message(STATUS "${PROJECT_NAME}: No build type selected, default to Release")
  set(CMAKE_BUILD_TYPE "Release")
endif ()

set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g -DMEMIF_DBG -DICMP_DBG")
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)
include_directories(${CMAKE_THREADS_INCLUDE_DIRS})

check_function_exists(memfd_create HAVE_MEMFD_CREATE)
if(${HAVE_MEMFD_CREATE})
  add_definitions(-DHAVE_MEMFD_CREATE)
endif()

include_directories(src)
set(LIBMEMIF memif)
set(LIBMEMIF_SHARED ${LIBMEMIF}.shared)

set(LIBMEMIF_INCLUDE_DIRS
  ${CMAKE_CURRENT_SOURCE_DIR}
  "" CACHE INTERNAL
  "" FORCE
)

set(LIBMEMIF_LIBRARIES
  ${LIBMEMIF_SHARED}
  "" CACHE INTERNAL
  "" FORCE
)

add_subdirectory(src)

if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
  include(Packager)
  make_packages()
endif()