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CMakeLists.txt
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CMakeLists.txt
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#
# Copyright (c) 2020, International Business Machines
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
project("TULIPS" C CXX)
cmake_minimum_required(VERSION 3.3)
#
# Policies
#
cmake_policy(SET CMP0074 NEW)
#
# Global definitions
#
set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
#
# Dependencies
#
find_package(PCAP REQUIRED)
find_package(TCLAP REQUIRED)
find_package(OpenSSL REQUIRED)
find_package(IBVerbs)
find_package(ClangFormat)
find_package(ClangTidy)
#
# Options
#
option(TULIPS_TESTS "Enable tests" OFF)
option(TULIPS_DEBUG "Enable debug log" OFF)
option(TULIPS_HAS_HW_CHECKSUM "Target has hardware checksum" OFF)
option(TULIPS_DISABLE_CHECKSUM_CHECK "Disable checksum checks" OFF)
option(TULIPS_HAS_HW_TSO "Target has hardware TSO" OFF)
option(TULIPS_ENABLE_ARP "Enable embedded ARP support" OFF)
option(TULIPS_ENABLE_ICMP "Enable embedded ICMP support" OFF)
option(TULIPS_ENABLE_RAW "Enable embedded ARP support" OFF)
option(TULIPS_ENABLE_LATENCY_MONITOR "Enable client latency monitoring" OFF)
option(TULIPS_IGNORE_INCOMPATIBLE_HW "Ignore when HW lacks features (e.g. TCO)" OFF)
message(STATUS "[ TULIPS OPTIONS BEGIN ]")
if (TULIPS_TESTS)
set(TULIPS_DEBUG ON)
set(TULIPS_ENABLE_ARP ON)
set(TULIPS_ENABLE_ICMP ON)
set(TULIPS_ENABLE_RAW ON)
set(TULIPS_IGNORE_INCOMPATIBLE_HW ON)
add_definitions(-DTULIPS_TESTS)
add_definitions(-DTULIPS_CLOCK_HAS_OFFSET)
add_definitions(-DTULIPS_FIFO_RUNTIME_CHECKS)
add_definitions(-DTULIPS_STACK_RUNTIME_CHECKS)
add_definitions(-DTULIPS_TRANSPORT_RUNTIME_CHECKS)
add_definitions(-DTULIPS_SOURCE_ROOT="${CMAKE_SOURCE_DIR}")
message(STATUS "Test mode: ON")
endif (TULIPS_TESTS)
if (TULIPS_DEBUG)
add_definitions(-DTULIPS_DEBUG)
message(STATUS "Debug mode: ON")
endif (TULIPS_DEBUG)
if (TULIPS_HAS_HW_CHECKSUM)
add_definitions(-DTULIPS_HAS_HW_CHECKSUM)
message(STATUS "Hardware checksum: ON")
endif (TULIPS_HAS_HW_CHECKSUM)
if (TULIPS_DISABLE_CHECKSUM_CHECK)
add_definitions(-DTULIPS_DISABLE_CHECKSUM_CHECK)
message(STATUS "Disable checksum check: ON")
endif (TULIPS_DISABLE_CHECKSUM_CHECK)
if (TULIPS_HAS_HW_TSO)
add_definitions(-DTULIPS_HAS_HW_TSO)
message(STATUS "TCP segmentation offload: ON")
endif (TULIPS_HAS_HW_TSO)
if (TULIPS_ENABLE_ARP)
add_definitions(-DTULIPS_ENABLE_ARP)
add_definitions(-DTULIPS_ENABLE_RAW)
message(STATUS "ARP protocol support: ON")
endif (TULIPS_ENABLE_ARP)
if (TULIPS_ENABLE_ICMP)
add_definitions(-DTULIPS_ENABLE_ICMP)
message(STATUS "ICMP protocol support: ON")
endif (TULIPS_ENABLE_ICMP)
if (TULIPS_ENABLE_RAW)
add_definitions(-DTULIPS_ENABLE_RAW)
message(STATUS "RAW packets support: ON")
endif (TULIPS_ENABLE_RAW)
if (TULIPS_ENABLE_LATENCY_MONITOR)
add_definitions(-DTULIPS_ENABLE_LATENCY_MONITOR)
message(STATUS "Client latency monitor: ON")
endif (TULIPS_ENABLE_LATENCY_MONITOR)
if (TULIPS_IGNORE_INCOMPATIBLE_HW)
add_definitions(-DTULIPS_IGNORE_INCOMPATIBLE_HW)
message(STATUS "Ignore incompatible hardware: ON")
endif (TULIPS_IGNORE_INCOMPATIBLE_HW)
message(STATUS "[ TULIPS OPTIONS END ]")
#
# Flags preferences
#
set(CMAKE_C_FLAGS "-Wall -Wextra -Werror -Wfatal-errors")
set(CMAKE_C_FLAGS_DEBUG "-g3 -O0")
set(CMAKE_C_FLAGS_RELEASE "-O3")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "-g3 -O3")
set(CMAKE_CXX_FLAGS "-Wall -Wextra -Werror -Wfatal-errors")
set(CMAKE_CXX_FLAGS_DEBUG "-g3 -O0")
set(CMAKE_CXX_FLAGS_RELEASE "-O3")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-g3 -O3")
#
# Per-compiler options
#
if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-address-of-packed-member")
endif ()
if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 9.0)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-address-of-packed-member")
endif ()
endif ()
#
# Include directories
#
include_directories(${CMAKE_SOURCE_DIR}/include)
#
# Dependencies
#
find_package(Threads REQUIRED)
#
# Subdirectories
#
add_subdirectory(apps)
add_subdirectory(src)
add_subdirectory(tools)
#
# Testing
#
if (TULIPS_TESTS)
find_package(GTest REQUIRED)
enable_testing()
add_subdirectory(tests)
endif (TULIPS_TESTS)
#
# Install all headers
#
install(DIRECTORY include/tulips DESTINATION include PATTERN "*.swp" EXCLUDE)
#
# Formatting
#
file(GLOB_RECURSE SOURCES RELATIVE ${CMAKE_SOURCE_DIR}
apps/*.h apps/*.cpp
include/*.h
src/*.h src/*.cpp
tests/*.h tests/*.cpp
tools/*.h tools/*.cpp)
foreach (SOURCE ${SOURCES})
string(REGEX REPLACE "[/.]" "_" TARGET ${SOURCE})
string(TOLOWER ${TARGET} TARGET)
#
if (ClangFormat_FOUND)
add_custom_target(${TARGET}_format COMMAND clang-format -i -style=file ${CMAKE_SOURCE_DIR}/${SOURCE})
list(APPEND FORMAT_TARGETS ${TARGET}_format)
endif ()
#
if (ClangTidy_FOUND)
add_custom_target(${TARGET}_tidy COMMAND clang-tidy -quiet -format-style=file -p ${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/${SOURCE})
list(APPEND TIDY_TARGETS ${TARGET}_tidy)
endif ()
endforeach ()
if (ClangFormat_FOUND)
add_custom_target(format DEPENDS ${FORMAT_TARGETS})
endif ()
if (ClangTidy_FOUND)
add_custom_target(tidy DEPENDS ${TIDY_TARGETS})
endif ()