CMakeLists.txt

cmake_minimum_required(VERSION 3.10)
include(CheckCXXCompilerFlag)

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
find_program(CCACHE_PROGRAM ccache)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")

if(CCACHE_PROGRAM)
  message(STATUS "Using compiler cache")
  set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
  set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCACHE_PROGRAM}")
endif()
project(DYN_MATCH C CXX)

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON) 

set(CMAKE_POSITION_INDEPENDENT_CODE ON)
add_compile_options("-Wall" "-O3" "-DNDEBUG" "-Wno-maybe-uninitialized")

# if no build mode is specified build in release mode
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  set(CMAKE_BUILD_TYPE "Release")
endif()

# tweak compiler flags
CHECK_CXX_COMPILER_FLAG(-funroll-loops COMPILER_SUPPORTS_FUNROLL_LOOPS)
if(COMPILER_SUPPORTS_FUNROLL_LOOPS)
  add_definitions(-funroll-loops)
endif()
CHECK_CXX_COMPILER_FLAG(-fno-stack-limit COMPILER_SUPPORTS_FNOSTACKLIMITS)
if(COMPILER_SUPPORTS_FNOSTACKLIMITS)
  add_definitions(-fno-stack-limit)
endif()
CHECK_CXX_COMPILER_FLAG(-Wall COMPILER_SUPPORTS_WALL)
if(COMPILER_SUPPORTS_WALL)
  add_definitions(-Wall)
endif()
CHECK_CXX_COMPILER_FLAG(-march=native COMPILER_SUPPORTS_MARCH_NATIVE)
if(COMPILER_SUPPORTS_MARCH_NATIVE)
  add_definitions(-march=native)
endif()

# check dependencies
#find_package(OpenMP)
#if(OpenMP_CXX_FOUND)
  #message(STATUS "OpenMP support detected")
  #add_definitions(${OpenMP_CXX_FLAGS})
#else()
  #message(WARNING "OpenMP not available, activating workaround")
  #add_library(OpenMP::OpenMP_CXX IMPORTED INTERFACE)
  #set_property(TARGET OpenMP::OpenMP_CXX PROPERTY INTERFACE_COMPILE_OPTIONS "")
  #include_directories(${CMAKE_CURRENT_SOURCE_DIR}/misc)
#endif()

# 64 Bit option
option(64BITMODE "64 bit mode" OFF)
if(64BITMODE)
  add_definitions("-DMODE64BITEDGES")
  add_definitions("-DPOINTER64=1")
endif()

include_directories(${CMAKE_CURRENT_SOURCE_DIR})
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/app)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/extern/argtable3-3.0.3)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/lib)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/lib/io)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/lib/tools)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/lib/algorithms)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/lib/data_structure)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/extern/sparsehash/src)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/extern)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/extern/maxmatch_MV)

set(LIBMATCH_SOURCE_FILES
./lib/tools/quality_metrics.cpp
./lib/tools/random_functions.cpp
./lib/tools/timer.cpp
./lib/io/graph_io.cpp
./lib/data_structure/dyn_graph_access.cpp
./lib/data_structure/graph_access.cpp
./lib/algorithms/baswanaguptasen_dyn_matching.cpp
./lib/algorithms/blossom_dyn_matching.cpp
./lib/algorithms/blossom_dyn_matching_naive.cpp
./lib/algorithms/naive_dyn_matching.cpp
./lib/algorithms/static_blossom.cpp
./lib/algorithms/rw_dyn_matching.cpp
./lib/algorithms/dyn_matching.cpp
./lib/algorithms/neimansolomon_dyn_matching.cpp
  extern/argtable3-3.0.3/argtable3.c)
add_library(libmatch OBJECT ${LIBMATCH_SOURCE_FILES})

set(LIBCONVERT_SOURCE_FILES
./lib/io/graph_io.cpp
./lib/data_structure/dyn_graph_access.cpp
./lib/data_structure/graph_access.cpp
./lib/tools/random_functions.cpp
  extern/argtable3-3.0.3/argtable3.c)
add_library(libconvert OBJECT ${LIBCONVERT_SOURCE_FILES})

# generate targets for each binary
add_executable(dynmatch app/dyn_matching.cpp $<TARGET_OBJECTS:libmatch> )
target_link_libraries(dynmatch ${OpenMP_CXX_LIBRARIES})
install(TARGETS dynmatch DESTINATION bin)

add_executable(convert_metis_seq app/metis_to_sequence.cpp $<TARGET_OBJECTS:libconvert> )
install(TARGETS convert_metis_seq DESTINATION bin)