zhangyang-libzt/CMakeLists.txt

#
# ZeroTier SDK - Network Virtualization Everywhere
# Copyright (C) 2011-2017  ZeroTier, Inc.  https://www.zerotier.com/
# 
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
# 
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
# 
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
# 
#  --
# 
#  You can be released from the requirements of the license by purchasing
#  a commercial license. Buying such a license is mandatory as soon as you
#  develop commercial closed-source software that incorporates or links
#  directly against ZeroTier software without disclosing the source code
#  of your own application.
# 

cmake_minimum_required (VERSION 2.8)
project (libzt)

# --- SETUP
set(CMAKE_SUPPRESS_REGENERATION true)

# Paths
set (PROJ_DIR ${PROJECT_SOURCE_DIR})
set (CMAKE_BINARY_DIR ${PROJECT_SOURCE_DIR}/bin)
set (EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR})
set (LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib)

if (WIN32)
	# get literal paths for Windows libraries
	set (WIN_LIB_HINT_PATH "C:\\Program Files (x86)\\Windows Kits\\10\\Lib\\10.0.16299.0\\um\\x86")
	message (STATUS ${WIN_LIB_HINT_PATH})
	find_library(ws2_32_LIBRARY_PATH NAMES WS2_32 HINTS ${WIN_LIB_HINT_PATH})
	find_library(lshlwapi_LIBRARY_PATH NAMES ShLwApi HINTS ${WIN_LIB_HINT_PATH})
	#find_library(liphlpapi_LIBRARY_PATH NAMES iphlpapi.lib HINTS ${WIN_LIB_HINT_PATH})
	set (liphlpapi_LIBRARY_PATH "C:/Program Files (x86)/Windows Kits/10/Lib/10.0.16299.0/um/x86/iphlpapi.Lib")
	message (STATUS ${ws2_32_LIBRARY_PATH})
	message (STATUS ${lshlwapi_LIBRARY_PATH})
	message (STATUS ${liphlpapi_LIBRARY_PATH})
	add_definitions(-DSDK=1)
	add_definitions(-DZT_SDK=1)
	set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc -DNOMINMAX")
	set (LWIP_PORT_DIR ${PROJ_DIR}/ext/lwip-contrib/ports/win32)
	set (COMMON_DEBUG_FLAGS "-DLIBZT_TRACE=1 -DLIBZT_DEBUG=1 -DNS_TRACE=1 -DNS_DEBUG=1")
else()
	set (CMAKE_C_FLAGS "-fvisibility=hidden -fstack-protector -DZT_SDK=1")
	set (LWIP_PORT_DIR ${PROJ_DIR}/ext/lwip-contrib/ports/unix/port)
	set (COMMON_DEBUG_FLAGS "-g -DLIBZT_TRACE=1 -DLIBZT_DEBUG=1 -DNS_TRACE=1 -DNS_DEBUG=1")
endif()

# Flags for various build types
set (CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_CXX_FLAGS} -std=c++11")
# C
set (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${CMAKE_C_FLAGS} ${COMMON_DEBUG_FLAGS}")
set (CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} ${CMAKE_C_FLAGS}")
set (CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${CMAKE_C_FLAGS}")
set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${CMAKE_C_FLAGS}")
# C++
set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS} ${COMMON_DEBUG_FLAGS}")
set (CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} ${CMAKE_CXX_FLAGS}")
set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${CMAKE_CXX_FLAGS}")
set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${CMAKE_CXX_FLAGS}")
# Linker
#set (CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS})
#set (CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS})
#set (CMAKE_STATIC_LINKER_FLAGS ${CMAKE_STATIC_LINKER_FLAGS} --whole-archive)

# --- LIBRARY TARGETS

# lwip 
# lwIP Userspace Networking Stack
set (LWIP_SRC_DIR ${PROJ_DIR}/ext/lwip/src)
include_directories (${LWIP_SRC_DIR}/include)
include_directories (${LWIP_PORT_DIR}/include)
file (GLOB lwip_src_glob 
	${LWIP_SRC_DIR}/netif/*.c 
	${LWIP_SRC_DIR}/api/*.c 
	${LWIP_PORT_DIR}/sys_arch.c
	${LWIP_SRC_DIR}/core/*.c 
	${LWIP_SRC_DIR}/core/ipv4/*.c 
	${LWIP_SRC_DIR}/core/ipv6/*.c)
add_library (lwip STATIC ${lwip_src_glob})
add_library (lwip_pic STATIC ${lwip_src_glob})
set_target_properties (lwip_pic PROPERTIES POSITION_INDEPENDENT_CODE ON)


# zto 
# ZeroTier Core Service
set (ZTO_SRC_DIR ${PROJ_DIR}/zto)
include_directories (${ZTO_SRC_DIR}/include)
include_directories (${ZTO_SRC_DIR}/osdep)
include_directories (${ZTO_SRC_DIR}/node)
include_directories (${ZTO_SRC_DIR}/service)
file (GLOB zto_src_glob 
	${ZTO_SRC_DIR}/node/*.cpp
	${ZTO_SRC_DIR}/service/*.cpp
	${ZTO_SRC_DIR}/osdep/OSUtils.cpp
	${ZTO_SRC_DIR}/controller/*.cpp
	${ZTO_SRC_DIR}/osdep/ManagedRoute.cpp)
add_library (zto STATIC ${zto_src_glob})
target_link_libraries (zto http)
target_link_libraries (zto zt)
if (WIN32)
	target_link_libraries (zto ws2_32)
	target_link_libraries (zto ${lshlwapi_LIBRARY_PATH})
	target_link_libraries (zto ${liphlpapi_LIBRARY_PATH})
endif()
add_library (zto_pic STATIC ${zto_src_glob})
target_link_libraries (zto_pic http_pic zt)
set_target_properties (zto_pic PROPERTIES POSITION_INDEPENDENT_CODE ON)


# http 
# HTTP Control Plane for ZT Service
add_library (http STATIC "${ZTO_SRC_DIR}/ext/http-parser/http_parser.c")
add_library (http_pic STATIC "${ZTO_SRC_DIR}/ext/http-parser/http_parser.c")
set_target_properties (http_pic PROPERTIES POSITION_INDEPENDENT_CODE ON)


# libzt
# Static Library variant of ZeroTier paired with userspace stack and virtual tap interface
set (LIBZT_SRC_DIR ${PROJ_DIR}/src)
include_directories ("${LIBZT_SRC_DIR}")
include_directories ("${PROJ_DIR}/include")
file (GLOB libzt_src_glob ${LIBZT_SRC_DIR}/*.cpp)
add_library (zt ${libzt_src_glob})
target_link_libraries (zt lwip zto)
if (WIN32)
	target_link_libraries (zto ws2_32)
	target_link_libraries (zto ${lshlwapi_LIBRARY_PATH})
	target_link_libraries (zto ${liphlpapi_LIBRARY_PATH})
endif()
set_target_properties (zt PROPERTIES OUTPUT_NAME zt)
# (libzt) Shared Library variant of ZeroTier paired with userspace stack and virtual tap interface
#add_library (ztshared SHARED ${libzt_src_glob})
#target_link_libraries (ztshared zto_pic lwip_pic)
#set_target_properties (ztshared PROPERTIES OUTPUT_NAME zt)


# --- Test applications, examples, etc ---

file (GLOB APP_SOURCES ${PROJ_DIR}/examples/bindings/cpp/ipv4simple/*
	${PROJ_DIR}/examples/bindings/cpp/ipv6simple/*
	${PROJ_DIR}/examples/bindings/cpp/ipv6adhoc/* 
	${PROJ_DIR}/examples/apps/ztproxy/*.cpp
)
foreach (testsourcefile ${APP_SOURCES})
    string (REPLACE ".cpp" "" testname ${testsourcefile})
    get_filename_component (testname ${testname} NAME)
    add_executable (${testname} ${testsourcefile})
    target_link_libraries (${testname} lwip zto zt)
endforeach (testsourcefile ${APP_SOURCES})

# selftest
add_executable (selftest ${PROJ_DIR}/test/selftest.cpp)
target_compile_options (selftest PRIVATE -D__SELFTEST__)
if (WIN32)
target_link_libraries (selftest lwip zto zt ${ws2_32_LIBRARY_PATH} ${lshlwapi_LIBRARY_PATH} ${liphlpapi_LIBRARY_PATH})
else()
target_link_libraries (selftest lwip zto zt)
endif()

# nativetest
add_executable (nativetest ${PROJ_DIR}/test/selftest.cpp)
target_compile_options (nativetest PRIVATE -D__NATIVETEST__)
target_link_libraries (nativetest lwip zto zt)

# Clean up intermediate library targets
#file (REMOVE ${LIBRARY_OUTPUT_PATH}/libhttp.a)
#file (REMOVE ${LIBRARY_OUTPUT_PATH}/libhttp_pic.a)
#file (REMOVE ${LIBRARY_OUTPUT_PATH}/libzto.a)
#file (REMOVE ${LIBRARY_OUTPUT_PATH}/libzto_pic.a)
#file (REMOVE ${LIBRARY_OUTPUT_PATH}/liblwip.a)
#file (REMOVE ${LIBRARY_OUTPUT_PATH}/liblwip_pic.a)


# --- INSTALL 

#install (TARGETS zt DESTINATION lib)

# --- CONFIGURATION

if (LIBZT_TRACE EQUAL 1)
set (LIBZT_DEFS "${LIBZT_DEFS} -DLIBZT_TRACE=1")
endif()
if (LIBZT_DEBUG EQUAL 1)
set (LIBZT_DEFS "${LIBZT_DEFS} -DLIBZT_DEBUG=1")
endif()
if (ZT_TRACE EQUAL 1)
set (ZT_DEFS "${ZT_DEFS} -DZT_TRACE=1")
endif()
if (ZT_DEBUG EQUAL 1)
set (ZT_DEFS "${ZT_DEFS} -DZT_DEBUG=1")
endif()
if (NS_TRACE EQUAL 1)
set (NS_DEFS "${NS_DEFS} -DNS_TRACE=1")
endif()
if (NS_DEBUG EQUAL 1)
set (NS_DEFS "${NS_DEFS} -DNS_DEBUG=1")
endif()

if (JNI EQUAL 1)
MESSAGE (STATUS "Looking for JNI headers")
# --- Locate JNI headers 
find_package (JNI)
if (JNI_FOUND)
    message (STATUS "JNI_INCLUDE_DIRS=${JNI_INCLUDE_DIRS}")
    message (STATUS "JNI_LIBRARIES=${JNI_LIBRARIES}")
    list (GET JNI_INCLUDE_DIRS 0 JNI_INCLUDE_DIR)
    message (STATUS "chosen=${JNI_INCLUDE_DIR}")
    include_directories ("${JNI_INCLUDE_DIR}")
else()
    message (STATUS "JNI not found")
endif()
target_compile_options (zt PRIVATE -std=c++11 -DZT_SDK=1 -DLIBZT_TRACE=1 -DSDK_JNI=1)
# JNI
option (USE_JNI
        "Use Java JNI for shared/dynamic libraries" ON) 
endif()