CMakeLists.txt


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cmake_minimum_required(VERSION 3.13)
project(nDPId C)
set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
find_package(PkgConfig REQUIRED)

option(ENABLE_SANITIZER "Enable ASAN/LSAN/UBSAN." OFF)
option(ENABLE_SANITIZER_THREAD "Enable TSAN (does not work together with ASAN)." OFF)
option(ENABLE_MEMORY_PROFILING "Enable dynamic memory tracking." OFF)
option(BUILD_EXAMPLES "Build C examples." ON)

set(STATIC_LIBNDPI_INSTALLDIR "" CACHE STRING "Path to a installation directory of libnDPI e.g. /opt/libnDPI/usr")

add_executable(nDPId nDPId.c utils.c)
add_executable(nDPIsrvd nDPIsrvd.c utils.c)

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -DJSMN_STATIC=1 -DJSMN_STRICT=1")

if(ENABLE_MEMORY_PROFILING)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DENABLE_MEMORY_PROFILING=1 -Duthash_malloc=nDPIsrvd_uthash_malloc -Duthash_free=nDPIsrvd_uthash_free")
endif()

if(CMAKE_BUILD_TYPE STREQUAL "Debug")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -g3 -fno-omit-frame-pointer -fno-inline")
endif()

if(ENABLE_SANITIZER AND ENABLE_SANITIZER_THREAD)
    message(STATUS_FATAL "ENABLE_SANITIZER and ENABLE_SANITIZER_THREAD can not be used together!")
endif()

if(ENABLE_SANITIZER)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fsanitize=undefined -fsanitize=enum -fsanitize=leak")
endif()

if(ENABLE_SANITIZER_THREAD)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=undefined -fsanitize=enum -fsanitize=thread")
endif()

if(NOT STATIC_LIBNDPI_INSTALLDIR STREQUAL "")
    option(NDPI_WITH_GCRYPT "Link static libndpi library against libgcrypt." ON)
    option(NDPI_WITH_PCRE "Link static libndpi library against libpcre." OFF)
    option(NDPI_WITH_MAXMINDDB "Link static libndpi library against libmaxminddb." ON)

    if(NDPI_WITH_GCRYPT)
        find_package(GCRYPT "1.4.2" REQUIRED)
    endif()

    if(NDPI_WITH_PCRE)
        pkg_check_modules(PCRE REQUIRED libpcre)
    endif()
    if(NDPI_WITH_MAXMINDDB)
        pkg_check_modules(MAXMINDDB REQUIRED libmaxminddb)
    endif()

    find_package(PCAP "1.8.1" REQUIRED)
    target_compile_options(nDPId PRIVATE "-pthread")
    target_include_directories(nDPId PRIVATE "${STATIC_LIBNDPI_INSTALLDIR}/include/ndpi")
    target_link_libraries(nDPId "${STATIC_LIBNDPI_INSTALLDIR}/lib/libndpi.a"
                                "${GCRYPT_LIBRARY}" "${PCAP_LIBRARY}"
                                "${pkgcfg_lib_MAXMINDDB_maxminddb}" "-pthread")
    target_include_directories(nDPIsrvd PRIVATE
                               "${CMAKE_SOURCE_DIR}"
                               "${CMAKE_SOURCE_DIR}/dependencies"
                               "${CMAKE_SOURCE_DIR}/dependencies/jsmn"
                               "${CMAKE_SOURCE_DIR}/dependencies/uthash/src")
else()
    pkg_check_modules(NDPI "3.6.0" REQUIRED)
endif()

if(BUILD_EXAMPLES)
    add_executable(nDPIsrvd-collectd examples/c-collectd/c-collectd.c)
    target_include_directories(nDPIsrvd-collectd PRIVATE
                               "${CMAKE_SOURCE_DIR}"
                               "${CMAKE_SOURCE_DIR}/dependencies"
                               "${CMAKE_SOURCE_DIR}/dependencies/jsmn"
                               "${CMAKE_SOURCE_DIR}/dependencies/uthash/src")
    add_executable(nDPIsrvd-captured examples/c-captured/c-captured.c utils.c)
    target_include_directories(nDPIsrvd-captured PRIVATE
                               "${CMAKE_SOURCE_DIR}"
                               "${CMAKE_SOURCE_DIR}/dependencies"
                               "${CMAKE_SOURCE_DIR}/dependencies/jsmn"
                               "${CMAKE_SOURCE_DIR}/dependencies/uthash/src")
    target_link_libraries(nDPIsrvd-captured "${PCAP_LIBRARY}")
    add_executable(nDPIsrvd-json-dump examples/c-json-stdout/c-json-stdout.c)
    target_include_directories(nDPIsrvd-json-dump PRIVATE
                               "${CMAKE_SOURCE_DIR}"
                               "${CMAKE_SOURCE_DIR}/dependencies"
                               "${CMAKE_SOURCE_DIR}/dependencies/jsmn")
endif()

message(STATUS "--------------------------")
message(STATUS "CMAKE_BUILD_TYPE.........: ${CMAKE_BUILD_TYPE}")
message(STATUS "CMAKE_C_FLAGS............: ${CMAKE_C_FLAGS}")
message(STATUS "ENABLE_SANITIZER.........: ${ENABLE_SANITIZER}")
message(STATUS "ENABLE_SANITIZER_THREAD..: ${ENABLE_SANITIZER_THREAD}")
message(STATUS "ENABLE_MEMORY_PROFILING..: ${ENABLE_MEMORY_PROFILING}")
message(STATUS "STATIC_LIBNDPI_INSTALLDIR: ${STATIC_LIBNDPI_INSTALLDIR}")
if(NOT STATIC_LIBNDPI_INSTALLDIR STREQUAL "")
message(STATUS "`- NDPI_WITH_GCRYPT......: ${NDPI_WITH_GCRYPT}")
message(STATUS "`- NDPI_WITH_PCRE........: ${NDPI_WITH_PCRE}")
message(STATUS "`- NDPI_WITH_MAXMINDDB...: ${NDPI_WITH_MAXMINDDB}")
endif()
message(STATUS "--------------------------")