#
# Rspamd - rapid antispam system
#
# Cmake configuration file
#

############################# INITIAL SECTION #############################################
CMAKE_MINIMUM_REQUIRED(VERSION 3.12 FATAL_ERROR)

SET(RSPAMD_VERSION_MAJOR 3)
SET(RSPAMD_VERSION_MINOR 9)
SET(RSPAMD_VERSION_PATCH 0)

# Keep two digits all the time
SET(RSPAMD_VERSION_MAJOR_NUM ${RSPAMD_VERSION_MAJOR}0)
SET(RSPAMD_VERSION_MINOR_NUM ${RSPAMD_VERSION_MINOR}0)
SET(RSPAMD_VERSION_PATCH_NUM ${RSPAMD_VERSION_PATCH}0)

IF (GIT_ID)
    SET(GIT_VERSION 1)
    SET(RSPAMD_ID "${GIT_ID}")
ENDIF ()

SET(RSPAMD_VERSION "${RSPAMD_VERSION_MAJOR}.${RSPAMD_VERSION_MINOR}.${RSPAMD_VERSION_PATCH}")

PROJECT(rspamd VERSION "${RSPAMD_VERSION}" LANGUAGES C CXX ASM)

CMAKE_POLICY(SET CMP0075 NEW)

# This is supported merely with cmake 3.1
SET(CMAKE_C_STANDARD 11)
SET(CMAKE_CXX_STANDARD 20)
SET(CMAKE_C_STANDARD_REQUIRED ON)
SET(CMAKE_CXX_STANDARD_REQUIRED ON)
LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/")

SET(RSPAMD_MASTER_SITE_URL "https://rspamd.com")

IF (NOT RSPAMD_USER)
    SET(RSPAMD_USER "nobody")
    SET(RSPAMD_GROUP "nobody")
ENDIF (NOT RSPAMD_USER)

# Default for SysV Init
SET(RSPAMD_WORKER_NORMAL "*:11333")
SET(RSPAMD_WORKER_CONTROLLER "*:11334")

############################# OPTIONS SECTION #############################################
OPTION(ENABLE_LUAJIT "Link with libluajit [default: ON]" ON)
OPTION(ENABLE_URL_INCLUDE "Enable urls in ucl includes (requires libcurl or libfetch) [default: OFF]" OFF)
OPTION(NO_SHARED "Build internal libs static [default: ON]" ON)
OPTION(INSTALL_WEBUI "Install web interface [default: ON]" ON)
OPTION(WANT_SYSTEMD_UNITS "Install systemd unit files on Linux [default: OFF]" OFF)
OPTION(ENABLE_SNOWBALL "Enable snowball stemmer [default: ON]" ON)
OPTION(ENABLE_CLANG_PLUGIN "Enable clang static analysing plugin [default: OFF]" OFF)
OPTION(ENABLE_PCRE2 "Enable pcre2 instead of pcre  [default: ON]" ON)
OPTION(ENABLE_JEMALLOC "Build rspamd with jemalloc allocator  [default: OFF]" OFF)
OPTION(ENABLE_UTILS "Build rspamd internal utils [default: OFF]" OFF)
OPTION(ENABLE_LIBUNWIND "Obsoleted [default: OFF]" OFF)
OPTION(ENABLE_LUA_TRACE "Trace all Lua C API invocations [default: OFF]" OFF)
OPTION(ENABLE_LUA_REPL "Enables Lua repl (requires C++11 compiler) [default: ON]" ON)
OPTION(ENABLE_FASTTEXT "Link with FastText library [default: OFF]" OFF)
OPTION(ENABLE_BACKWARD "Build rspamd with backward-cpp stacktrace [default: ON]" ON)
OPTION(SYSTEM_ZSTD "Use system zstd instead of bundled one [default: OFF]" OFF)
OPTION(SYSTEM_FMT "Use system fmt instead of bundled one [default: OFF]" OFF)
OPTION(SYSTEM_DOCTEST "Use system doctest instead of bundled one [default: OFF]" OFF)
OPTION(SYSTEM_XXHASH "Use system xxhash instead of bundled one [default: OFF]" OFF)

############################# INCLUDE SECTION #############################################

INCLUDE(CheckIncludeFiles)
INCLUDE(CheckFunctionExists)
INCLUDE(CheckSymbolExists)
INCLUDE(CheckCSourceCompiles)
INCLUDE(CheckCSourceRuns)
INCLUDE(CheckLibraryExists)
INCLUDE(CheckCCompilerFlag)
INCLUDE(CMakeParseArguments)
INCLUDE(FindArch)
INCLUDE(AsmOp)
INCLUDE(FindRagel)
INCLUDE(ProcessPackage)

IF (NOT RAGEL_FOUND)
    MESSAGE(FATAL_ERROR "Ragel is required to build rspamd")
ENDIF ()

FIND_PACKAGE(PkgConfig REQUIRED)
FIND_PACKAGE(Perl REQUIRED)


option(SANITIZE "Enable sanitizer: address, memory, undefined, leak (comma separated list)" "")
INCLUDE(Toolset)
INCLUDE(Sanitizer)

INCLUDE(ArchDep)
INCLUDE(Paths)

IF (ENABLE_PCRE2 MATCHES "ON")
    SET(WITH_PCRE2 1)
    # For utf8 API
    LIST(APPEND CMAKE_REQUIRED_DEFINITIONS "-DPCRE2_CODE_UNIT_WIDTH=8")
ENDIF ()
############################# CONFIG SECTION #############################################
# Initial set

# Prefer local include dirs to system ones
INCLUDE_DIRECTORIES("${CMAKE_SOURCE_DIR}/"
        "${CMAKE_SOURCE_DIR}/src"
        "${CMAKE_SOURCE_DIR}/src/libutil"
        "${CMAKE_SOURCE_DIR}/src/libserver"
        "${CMAKE_SOURCE_DIR}/src/libmime"
        "${CMAKE_SOURCE_DIR}/src/libstat"
        "${CMAKE_SOURCE_DIR}/src/libcryptobox"
        "${CMAKE_SOURCE_DIR}/contrib/libucl"
        "${CMAKE_SOURCE_DIR}/contrib/replxx/include"
        "${CMAKE_SOURCE_DIR}/contrib/uthash"
        "${CMAKE_SOURCE_DIR}/contrib/http-parser"
        "${CMAKE_SOURCE_DIR}/contrib/fpconv"
        "${CMAKE_SOURCE_DIR}/contrib/libottery"
        "${CMAKE_SOURCE_DIR}/contrib/cdb"
        "${CMAKE_SOURCE_DIR}/contrib/snowball/include"
        "${CMAKE_SOURCE_DIR}/contrib/librdns"
        "${CMAKE_SOURCE_DIR}/contrib/aho-corasick"
        "${CMAKE_SOURCE_DIR}/contrib/lc-btrie"
        "${CMAKE_SOURCE_DIR}/contrib/lua-lpeg"
        "${CMAKE_SOURCE_DIR}/contrib/frozen/include"
        "${CMAKE_SOURCE_DIR}/contrib/fu2/include"
        "${CMAKE_BINARY_DIR}/src" #Stored in the binary dir
        "${CMAKE_BINARY_DIR}/src/libcryptobox")

SET(TAR "tar")
INCLUDE(OSDep)

# Now find libraries and headers
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES "m")
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES "pthread")

IF (ENABLE_LUAJIT MATCHES "ON")
    ProcessPackage(LIBLUAJIT LIBRARY "luajit"
            "luajit-2.1"
            "luajit2.1"
            "luajit-2.0"
            "luajit2.0"
            "luajit-5.1"
            INCLUDE luajit.h INCLUDE_SUFFIXES
            "include/luajit-2.1"
            "include/luajit-2.0"
            "include/luajit"
            ROOT ${LUA_ROOT}
            MODULES luajit)
    SET(WITH_LUAJIT 1)
ELSE (ENABLE_LUAJIT MATCHES "ON")

    ProcessPackage(LIBLUA LIBRARY "lua"
            "lua-5.3"
            LIB_SUFFIXES "lua5.3"
            INCLUDE lua.h INCLUDE_SUFFIXES
            "include/lua-5.3"
            "include/lua5.3"
            "include/lua53"
            "include/lua"
            ROOT ${LUA_ROOT}
            MODULES lua53
            OPTIONAL)

    IF (NOT WITH_LIBLUA)
        ProcessPackage(LIBLUA LIBRARY "lua"
                "lua-5.4"
                LIB_SUFFIXES "lua5.4"
                INCLUDE lua.h INCLUDE_SUFFIXES
                "include/lua-5.4"
                "include/lua5.4"
                "include/lua54"
                "include/lua"
                ROOT ${LUA_ROOT}
                MODULES lua54
                OPTIONAL)
        IF (NOT WITH_LIBLUA)
            ProcessPackage(LIBLUA LIBRARY "lua"
                    "lua-5.2"
                    LIB_SUFFIXES "lua5.2"
                    INCLUDE lua.h INCLUDE_SUFFIXES
                    "include/lua-5.2"
                    "include/lua5.2"
                    "include/lua52"
                    "include/lua"
                    ROOT ${LUA_ROOT}
                    MODULES lua52
                    OPTIONAL)

            IF (NOT WITH_LIBLUA)
                ProcessPackage(LIBLUA LIBRARY "lua"
                        "lua-5.1"
                        INCLUDE lua.h INCLUDE_SUFFIXES
                        "include/lua-5.1"
                        "include/lua5.1"
                        "include/lua51"
                        "include/lua"
                        ROOT ${LUA_ROOT}
                        MODULES lua51)
            ENDIF ()
        ENDIF ()
    ENDIF ()
ENDIF (ENABLE_LUAJIT MATCHES "ON")

IF (ENABLE_JEMALLOC MATCHES "ON" AND NOT SANITIZE)
    ProcessPackage(JEMALLOC LIBRARY jemalloc_pic jemalloc INCLUDE jemalloc.h INCLUDE_SUFFIXES include/jemalloc
            ROOT ${JEMALLOC_ROOT_DIR})
    SET(WITH_JEMALLOC "1")
ENDIF ()

ProcessPackage(GLIB2 LIBRARY glib-2.0 INCLUDE glib.h
        INCLUDE_SUFFIXES include/glib include/glib-2.0
        ROOT ${GLIB_ROOT_DIR} MODULES glib-2.0>=2.28)

IF (ENABLE_PCRE2 MATCHES "ON")
    ProcessPackage(PCRE LIBRARY pcre2 pcre2-8 INCLUDE pcre2.h INCLUDE_SUFFIXES include/pcre2
            ROOT ${PCRE_ROOT_DIR} MODULES pcre2 pcre2-8 libpcre2 libpcre2-8)
ELSE ()
    ProcessPackage(PCRE LIBRARY pcre INCLUDE pcre.h INCLUDE_SUFFIXES include/pcre
            ROOT ${PCRE_ROOT_DIR} MODULES pcre libpcre pcre3 libpcre3)
ENDIF ()

ProcessPackage(SQLITE3 LIBRARY sqlite3 INCLUDE sqlite3.h INCLUDE_SUFFIXES include/sqlite3 include/sqlite
        ROOT ${SQLITE3_ROOT_DIR} MODULES sqlite3 sqlite)
ProcessPackage(ICUDATA LIBRARY icudata INCLUDE unicode/ucnv.h
        ROOT ${ICU_ROOT_DIR} MODULES icu-uc)
ProcessPackage(ICUC LIBRARY icuuc INCLUDE unicode/ucnv.h
        ROOT ${ICU_ROOT_DIR} MODULES icu-uc)
ProcessPackage(ICUIO LIBRARY icuio INCLUDE unicode/ucnv.h
        ROOT ${ICU_ROOT_DIR} MODULES icu-io)
ProcessPackage(ICUI18N LIBRARY icui18n INCLUDE unicode/ucnv.h
        ROOT ${ICU_ROOT_DIR} MODULES icu-i18n)
ProcessPackage(LIBCRYPT LIBRARY crypto INCLUDE openssl/evp.h
        ROOT ${OPENSSL_ROOT_DIR} MODULES openssl libcrypt)
ProcessPackage(LIBSSL LIBRARY ssl INCLUDE openssl/ssl.h
        ROOT ${OPENSSL_ROOT_DIR} MODULES openssl libssl)
ProcessPackage(LIBZ LIBRARY z INCLUDE zlib.h INCLUDE_SUFFIXES include/zlib
        ROOT ${LIBZ_ROOT_DIR} MODULES z)
ProcessPackage(SODIUM LIBRARY sodium INCLUDE sodium.h
        INCLUDE_SUFFIXES include/libsodium include/sodium
        ROOT ${LIBSODIUM_ROOT_DIR} MODULES libsodium>=1.0.0)
ProcessPackage(LIBARCHIVE LIBRARY archive INCLUDE archive.h
        ROOT ${LIBARCHIVE_ROOT_DIR} MODULES libarchive>=3.0.0)

if (ENABLE_FASTTEXT MATCHES "ON")
    ProcessPackage(FASTTEXT LIBRARY fasttext INCLUDE fasttext/fasttext.h
            ROOT ${FASTTEXT_ROOT_DIR} MODULES fasttext)
    SET(WITH_FASTTEXT "1")
endif ()

include(CompilerWarnings)
include(Hyperscan)
include(Openblas)

IF (ENABLE_LUA_TRACE)
    SET(WITH_LUA_TRACE 1)
ENDIF (ENABLE_LUA_TRACE)

SET(CMAKE_C_FLAGS "${CMAKE_C_OPT_FLAGS} ${CMAKE_C_FLAGS}")
SET(CMAKE_CXX_FLAGS "${CMAKE_C_OPT_FLAGS} ${CMAKE_CXX_FLAGS}")

ADD_DEFINITIONS(-DHAVE_CONFIG_H)
ADD_DEFINITIONS(-DDOCTEST_CONFIG_NO_MULTI_LANE_ATOMICS)
ADD_DEFINITIONS(-DFMT_HEADER_ONLY)
# Workaround for https://github.com/onqtam/doctest/issues/356
ADD_DEFINITIONS(-DDOCTEST_CONFIG_USE_STD_HEADERS)
ADD_DEFINITIONS(-DU_CHARSET_IS_UTF8)

# Check platform specific includes
CHECK_INCLUDE_FILES(sys/types.h HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILES(sys/uio.h HAVE_SYS_UIO_H)

CHECK_INCLUDE_FILES(fcntl.h HAVE_FCNTL_H)
CHECK_INCLUDE_FILES(math.h HAVE_MATH_H)
CHECK_INCLUDE_FILES(stdio.h HAVE_STDIO_H)
CHECK_INCLUDE_FILES(stdlib.h HAVE_STDLIB_H)
CHECK_INCLUDE_FILES(string.h HAVE_STRING_H)
CHECK_INCLUDE_FILES(strings.h HAVE_STRINGS_H)
CHECK_INCLUDE_FILES(time.h HAVE_TIME_H)
CHECK_INCLUDE_FILES(unistd.h HAVE_UNISTD_H)
CHECK_INCLUDE_FILES(stdint.h HAVE_STDINT_H)
CHECK_INCLUDE_FILES(inttypes.h HAVE_INTTYPES_H)
CHECK_INCLUDE_FILES(stdbool.h HAVE_STDBOOL_H)
CHECK_INCLUDE_FILES(endian.h HAVE_ENDIAN_H)
CHECK_INCLUDE_FILES(sys/endian.h HAVE_SYS_ENDIAN_H)
CHECK_INCLUDE_FILES(machine/endian.h HAVE_MACHINE_ENDIAN_H)
CHECK_INCLUDE_FILES(sys/socket.h HAVE_SYS_SOCKET_H)
CHECK_INCLUDE_FILES(sys/mman.h HAVE_SYS_MMAN_H)
CHECK_INCLUDE_FILES(sys/un.h HAVE_SYS_UN_H)
CHECK_INCLUDE_FILES(sys/stat.h HAVE_SYS_STAT_H)
CHECK_INCLUDE_FILES(sys/wait.h HAVE_SYS_WAIT_H)
CHECK_INCLUDE_FILES(sys/param.h HAVE_SYS_PARAM_H)
CHECK_INCLUDE_FILES(sys/file.h HAVE_SYS_FILE_H)
CHECK_INCLUDE_FILES(sys/resource.h HAVE_SYS_RESOURCE_H)
CHECK_INCLUDE_FILES(netinet/in.h HAVE_NETINET_IN_H)
CHECK_INCLUDE_FILES(netinet/tcp.h HAVE_NETINET_TCP_H)
CHECK_INCLUDE_FILES(arpa/inet.h HAVE_ARPA_INET_H)
CHECK_INCLUDE_FILES(netdb.h HAVE_NETDB_H)
CHECK_INCLUDE_FILES(syslog.h HAVE_SYSLOG_H)
CHECK_INCLUDE_FILES(siginfo.h HAVE_SIGINFO_H)
CHECK_INCLUDE_FILES(locale.h HAVE_LOCALE_H)
CHECK_INCLUDE_FILES(libgen.h HAVE_LIBGEN_H)
CHECK_INCLUDE_FILES(pwd.h HAVE_PWD_H)
CHECK_INCLUDE_FILES(grp.h HAVE_GRP_H)
CHECK_INCLUDE_FILES(glob.h HAVE_GLOB_H)
CHECK_INCLUDE_FILES(poll.h HAVE_POLL_H)
CHECK_INCLUDE_FILES(readpassphrase.h HAVE_READPASSPHRASE_H)
CHECK_INCLUDE_FILES(termios.h HAVE_TERMIOS_H)
CHECK_INCLUDE_FILES(paths.h HAVE_PATHS_H)
CHECK_INCLUDE_FILES(ctype.h HAVE_CTYPE_H)
CHECK_INCLUDE_FILES(unistd.h HAVE_UNISTD_H)
CHECK_INCLUDE_FILES(cpuid.h HAVE_CPUID_H)
CHECK_INCLUDE_FILES(dirent.h HAVE_DIRENT_H)
CHECK_INCLUDE_FILES(ucontext.h HAVE_UCONTEXT_H)
CHECK_INCLUDE_FILES(sys/ucontext.h HAVE_SYS_UCONTEXT_H) # OSX specific

# Check platform API
IF(NOT CMAKE_SYSTEM_NAME STREQUAL "Linux")
    # setproctitle is broken badly in Linux, never try it
    CHECK_FUNCTION_EXISTS(setproctitle HAVE_SETPROCTITLE)
ENDIF()
CHECK_FUNCTION_EXISTS(getpagesize HAVE_GETPAGESIZE)
CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
CHECK_FUNCTION_EXISTS(flock HAVE_FLOCK)
CHECK_LIBRARY_EXISTS(m tanh "" HAVE_TANH)
CHECK_FUNCTION_EXISTS(mkstemp HAVE_MKSTEMP)
CHECK_FUNCTION_EXISTS(clock_gettime HAVE_CLOCK_GETTIME)

# Check macros
CHECK_SYMBOL_EXISTS(PATH_MAX limits.h HAVE_PATH_MAX)
CHECK_SYMBOL_EXISTS(MAXPATHLEN sys/param.h HAVE_MAXPATHLEN)
CHECK_SYMBOL_EXISTS(MAP_ANON sys/mman.h HAVE_MMAP_ANON)
CHECK_SYMBOL_EXISTS(IPV6_V6ONLY "sys/socket.h;netinet/in.h" HAVE_IPV6_V6ONLY)
CHECK_SYMBOL_EXISTS(posix_fallocate fcntl.h HAVE_POSIX_FALLOCATE)
CHECK_SYMBOL_EXISTS(fallocate fcntl.h HAVE_FALLOCATE)
CHECK_SYMBOL_EXISTS(_SC_NPROCESSORS_ONLN unistd.h HAVE_SC_NPROCESSORS_ONLN)
CHECK_SYMBOL_EXISTS(setbit sys/param.h PARAM_H_HAS_BITSET)
CHECK_SYMBOL_EXISTS(getaddrinfo "sys/types.h;sys/socket.h;netdb.h" HAVE_GETADDRINFO)
CHECK_SYMBOL_EXISTS(sched_yield "sched.h" HAVE_SCHED_YIELD)
CHECK_SYMBOL_EXISTS(nftw "sys/types.h;ftw.h" HAVE_NFTW)
CHECK_SYMBOL_EXISTS(memrchr "string.h" HAVE_MEMRCHR)
IF (ENABLE_PCRE2 MATCHES "ON")
    LIST(APPEND CMAKE_REQUIRED_INCLUDES "${PCRE_INCLUDE}")
    CHECK_SYMBOL_EXISTS(PCRE2_CONFIG_JIT "pcre2.h" HAVE_PCRE_JIT)
ELSE ()
    LIST(APPEND CMAKE_REQUIRED_INCLUDES "${PCRE_INCLUDE}")
    CHECK_SYMBOL_EXISTS(PCRE_CONFIG_JIT "pcre.h" HAVE_PCRE_JIT)
ENDIF ()
CHECK_SYMBOL_EXISTS(SOCK_SEQPACKET "sys/types.h;sys/socket.h" HAVE_SOCK_SEQPACKET)
CHECK_SYMBOL_EXISTS(O_NOFOLLOW "sys/types.h;sys/fcntl.h" HAVE_ONOFOLLOW)
CHECK_SYMBOL_EXISTS(O_CLOEXEC "sys/types.h;sys/fcntl.h" HAVE_OCLOEXEC)

# OpenSSL specific stuff
LIST(APPEND CMAKE_REQUIRED_INCLUDES "${LIBSSL_INCLUDE}")
IF (LIBCRYPT_LIBRARY_PATH)
    SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-L${LIBCRYPT_LIBRARY_PATH};${LIBCRYPT_LIBRARY}")
    SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-L${LIBSSL_LIBRARY_PATH};${LIBSSL_LIBRARY}")
ELSE ()
    SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-lcrypt;-lssl")
ENDIF ()

CHECK_SYMBOL_EXISTS(SSL_set_tlsext_host_name "openssl/ssl.h" HAVE_SSL_TLSEXT_HOSTNAME)
CHECK_SYMBOL_EXISTS(FIPS_mode "openssl/crypto.h" HAVE_FIPS_MODE)

CHECK_SYMBOL_EXISTS(dirfd "sys/types.h;unistd.h;dirent.h" HAVE_DIRFD)
CHECK_SYMBOL_EXISTS(fpathconf "sys/types.h;unistd.h" HAVE_FPATHCONF)
CHECK_SYMBOL_EXISTS(sigaltstack "signal.h" HAVE_SIGALTSTACK)
CHECK_SYMBOL_EXISTS(open_memstream "stdio.h" HAVE_OPENMEMSTREAM)
CHECK_SYMBOL_EXISTS(fmemopen "stdio.h" HAVE_FMEMOPEN)
CHECK_SYMBOL_EXISTS(clock_getcpuclockid "sys/types.h;time.h" HAVE_CLOCK_GETCPUCLOCKID)
CHECK_SYMBOL_EXISTS(RUSAGE_SELF "sys/types.h;sys/resource.h" HAVE_RUSAGE_SELF)
CHECK_SYMBOL_EXISTS(ffsll "strings.h" HAVE_FFSLL)

IF (ENABLE_PCRE2 MATCHES "ON")
    IF (HAVE_PCRE_JIT)
        SET(HAVE_PCRE_JIT_FAST 1)
    ENDIF ()
ELSE ()
    LIST(APPEND CMAKE_REQUIRED_INCLUDES "${PCRE_INCLUDE}")
    IF (PCRE_LIBRARY_PATH)
        SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-L${PCRE_LIBRARY_PATH};${PCRE_LIBRARY}")
    ELSE (PCRE_LIBRARY_PATH)
        SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-lpcre")
    ENDIF (PCRE_LIBRARY_PATH)
    # Some PCRE implementations are lacking of pcre_jit_exec fast path
    SET(_PCRE_FAST_TEST "
#include \"pcre.h\"
int main (void)
{
	int rc;
	int ovector[30];
	pcre *re;
	pcre_extra *extra;
	pcre_jit_stack *jit_stack;

	re = pcre_compile(\"abc\", 0, NULL, NULL, NULL);
	extra = pcre_study(re, PCRE_STUDY_JIT_COMPILE, NULL);
	jit_stack = pcre_jit_stack_alloc(32*1024, 512*1024);
	pcre_assign_jit_stack(extra, NULL, jit_stack);
	rc = pcre_jit_exec(re, extra, \"abc\", 3, 0, 0, ovector, 30, jit_stack);

	return rc;
}
")
    CHECK_C_SOURCE_COMPILES("${_PCRE_FAST_TEST}" HAVE_PCRE_JIT_FAST)
    IF (HAVE_PCRE_JIT_FAST)
        MESSAGE(STATUS "pcre_jit_exec is supported")
    ELSE (HAVE_PCRE_JIT_FAST)
        MESSAGE(STATUS "pcre_jit_exec is -NOT- supported")
    ENDIF (HAVE_PCRE_JIT_FAST)
ENDIF ()

CHECK_C_COMPILER_FLAG(-fPIC SUPPORT_FPIC)
IF (SUPPORT_FPIC)
    ADD_COMPILE_OPTIONS("-fPIC")
ENDIF (SUPPORT_FPIC)

FILE(WRITE ${CMAKE_BINARY_DIR}/pthread_setpshared.c "
#include <pthread.h>
#include <stdlib.h>
int main (void)
{
	pthread_mutexattr_t mattr;
	if (pthread_mutexattr_init(&mattr) != 0) return 0;
	if (pthread_mutexattr_setpshared(&mattr, PTHREAD_PROCESS_SHARED) != 0) return 0;
	if (pthread_mutexattr_setrobust(&mattr, PTHREAD_MUTEX_ROBUST) != 0) return 0;
	return 1;
}
")
TRY_RUN(_CAN_RUN _CAN_COMPILE
        "${CMAKE_BINARY_DIR}" "${CMAKE_BINARY_DIR}/pthread_setpshared.c"
        CMAKE_FLAGS CMAKE_C_FLAGS="-pthread")
IF (_CAN_RUN EQUAL 1)
    SET(HAVE_PTHREAD_PROCESS_SHARED 1 CACHE INTERNAL "")
ENDIF (_CAN_RUN EQUAL 1)
IF (HAVE_PTHREAD_PROCESS_SHARED)
    MESSAGE(STATUS "pthread_mutexattr_setpshared is supported")
ELSE (HAVE_PTHREAD_PROCESS_SHARED)
    MESSAGE(STATUS "pthread_mutexattr_setpshared is -NOT- supported")
ENDIF (HAVE_PTHREAD_PROCESS_SHARED)

IF (NOT HAVE_GETADDRINFO)
    MESSAGE(FATAL_ERROR "Your system does not support getaddrinfo call, please consider upgrading it to run rspamd")
ENDIF (NOT HAVE_GETADDRINFO)
IF (HAVE_SIGINFO_H)
    CHECK_SYMBOL_EXISTS(SA_SIGINFO "signal.h;siginfo.h" HAVE_SA_SIGINFO)
ELSE (HAVE_SIGINFO_H)
    CHECK_SYMBOL_EXISTS(SA_SIGINFO "signal.h" HAVE_SA_SIGINFO)
ENDIF (HAVE_SIGINFO_H)

IF (NOT CMAKE_SYSTEM_NAME STREQUAL "SunOS")
    IF (HAVE_CLOCK_GETTIME)
        CHECK_SYMBOL_EXISTS(CLOCK_PROCESS_CPUTIME_ID time.h HAVE_CLOCK_PROCESS_CPUTIME_ID)
        CHECK_SYMBOL_EXISTS(CLOCK_VIRTUAL time.h HAVE_CLOCK_VIRTUAL)
    ELSE (HAVE_CLOCK_GETTIME)
        CHECK_INCLUDE_FILES(sys/timeb.h HAVE_SYS_TIMEB_H)
    ENDIF (HAVE_CLOCK_GETTIME)
ENDIF (NOT CMAKE_SYSTEM_NAME STREQUAL "SunOS")

CHECK_C_SOURCE_RUNS("
#include <stdbool.h>
int main(int argc, char **argv) {
        int a = 0, b = 0;
        if (__atomic_compare_exchange_n(&a, &b, 1, false, __ATOMIC_RELEASE, __ATOMIC_RELAXED)) {
                return 0;
        }
        return -1;
}
" HAVE_ATOMIC_BUILTINS)

IF (NOT HAVE_ATOMIC_BUILTINS)
    MESSAGE(STATUS "atomic builtins are -NOT- supported")
ELSE ()
    MESSAGE(STATUS "atomic builtins are supported")
ENDIF ()

CHECK_LIBRARY_EXISTS(atomic __atomic_fetch_add_4 "" HAVE_LIBATOMIC)
IF (HAVE_LIBATOMIC)
    list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
endif ()


CHECK_C_SOURCE_RUNS("
#include <x86intrin.h>
int main(int argc, char **argv) {
        __builtin_ia32_lfence ();
        if (__builtin_ia32_rdtsc()) {
                return 0;
        }
        return -1;
}
" HAVE_RDTSC)

IF (NOT HAVE_RDTSC)
    MESSAGE(STATUS "rdtsc intrinsic is -NOT- supported")
ELSE ()
    MESSAGE(STATUS "rdtsc intrinsic is supported")
ENDIF ()

IF (CMAKE_SYSTEM_NAME STREQUAL "Linux")
    # In linux, we need to mount /run/shm to test which could be unavailable
    # on a build system. On the other hand, we know that linux has stupid
    # but compatible shmem support, so we assume this macro as true
    SET(HAVE_SANE_SHMEM 1)
    CHECK_C_SOURCE_COMPILES("#define _GNU_SOURCE
						  #include <sys/socket.h>
						  int main (int argc, char **argv) {
							return ((int*)(&recvmmsg))[argc];
						  }" HAVE_RECVMMSG)
    CHECK_C_SOURCE_COMPILES("#define _GNU_SOURCE
						  #include <fcntl.h>
						  int main (int argc, char **argv) {
							return ((int*)(&readahead))[argc];
						  }" HAVE_READAHEAD)
ELSE ()
    CHECK_C_SOURCE_RUNS("
	#include <sys/mman.h>
	#include <fcntl.h>
	#include <unistd.h>
	#define TEST_NAME \"/test-shmem-work\"
	int
	main (int argc, char **argv)
	{
	  int fd;

	  fd = shm_open (TEST_NAME, O_RDWR | O_CREAT | O_EXCL, 00600);
	  if (fd == -1) {
	    return -1;
	  }
	  if (ftruncate (fd, 100) == -1) {
	    shm_unlink (TEST_NAME);
	    close (fd);
	    return -1;
	  }

	  if (ftruncate (fd, 200) == -1) {
	    shm_unlink (TEST_NAME);
	    close (fd);
	    return -1;
	  }
	  if (ftruncate (fd, 300) == -1) {
	    shm_unlink (TEST_NAME);
	    close (fd);
	    return -1;
	  }

	  close (fd);
	  shm_unlink (TEST_NAME);
	  return 0;
	}
	" HAVE_SANE_SHMEM)
    IF (NOT HAVE_SANE_SHMEM)
        MESSAGE(STATUS "shmem support is NOT compatible with POSIX")
    ELSE ()
        MESSAGE(STATUS "shmem support is compatible with POSIX")
    ENDIF ()
ENDIF ()

IF (ENABLE_URL_INCLUDE MATCHES "ON")
    FIND_LIBRARY(LIBFETCH_LIBRARY HINTS "${RSPAMD_SEARCH_PATH}"
            NAMES fetch PATHS PATH_SUFFIXES lib64 lib
            PATHS ${RSPAMD_DEFAULT_LIBRARY_PATHS}
            DOC "Path where the libfetch library can be found")
    IF (LIBFETCH_LIBRARY)
        FIND_FILE(HAVE_FETCH_H HINTS "${RSPAMD_SEARCH_PATH}"
                NAMES fetch.h
                PATH_SUFFIXES include
                PATHS ${RSPAMD_DEFAULT_INCLUDE_PATHS}
                DOC "Path to libfetch header")
    ELSE (LIBFETCH_LIBRARY)
        # Try to find libcurl
        ProcessPackage(CURL LIBRARY curl INCLUDE curl.h INCLUDE_SUFFIXES include/curl
                ROOT ${CURL_ROOT})
        IF (NOT WITH_CURL)
            MESSAGE(WARNING "Neither libcurl nor libfetch were found, no support of URL includes in configuration")
        ENDIF (NOT WITH_CURL)
    ENDIF (LIBFETCH_LIBRARY)
ENDIF (ENABLE_URL_INCLUDE MATCHES "ON")

IF (NOT DESTDIR)
    SET(DESTDIR $ENV{DESTDIR})
ENDIF (NOT DESTDIR)


################################ SUBDIRS SECTION ###########################
ADD_SUBDIRECTORY(contrib/hiredis)
INCLUDE_DIRECTORIES(BEFORE "${CMAKE_SOURCE_DIR}/contrib/hiredis")

LIST(APPEND RSPAMD_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}")
IF (HAVE_FETCH_H)
    LIST(APPEND RSPAMD_REQUIRED_LIBRARIES fetch)
ENDIF (HAVE_FETCH_H)

LIST(APPEND RSPAMD_REQUIRED_LIBRARIES "${LUA_LIBRARY}")
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES ucl)
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES rdns)
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES ottery)
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES xxhash)

IF (SYSTEM_XXHASH MATCHES "OFF")
    ADD_SUBDIRECTORY(contrib/xxhash)
    INCLUDE_DIRECTORIES("${CMAKE_SOURCE_DIR}/contrib/xxhash")
ELSE ()
    ProcessPackage(XXHASH LIBRARY xxhash INCLUDE xxhash.h
            ROOT ${LIBXXHASH_ROOT_DIR} MODULES xxhash libxxhash)
ENDIF ()
ADD_SUBDIRECTORY(contrib/cdb)
ADD_SUBDIRECTORY(contrib/http-parser)
ADD_SUBDIRECTORY(contrib/fpconv)
ADD_SUBDIRECTORY(contrib/lc-btrie)
ADD_SUBDIRECTORY(contrib/libottery)
IF (SYSTEM_ZSTD MATCHES "OFF")
    ADD_SUBDIRECTORY(contrib/zstd)
ELSE ()
    ProcessPackage(LIBZSTD LIBRARY zstd INCLUDE zstd.h
            ROOT ${LIBZSTD_ROOT_DIR} MODULES zstd libzstd)
    ADD_DEFINITIONS(-DSYS_ZSTD)
ENDIF ()
IF (ENABLE_SNOWBALL MATCHES "ON")
    ADD_SUBDIRECTORY(contrib/snowball)
    SET(WITH_SNOWBALL 1)
ENDIF ()
ADD_SUBDIRECTORY(contrib/libucl)
ADD_SUBDIRECTORY(contrib/librdns)
ADD_SUBDIRECTORY(contrib/aho-corasick)
ADD_SUBDIRECTORY(contrib/lua-lpeg)
ADD_SUBDIRECTORY(contrib/t1ha)
ADD_SUBDIRECTORY(contrib/libev)
ADD_SUBDIRECTORY(contrib/kann)
ADD_SUBDIRECTORY(contrib/fastutf8)
ADD_SUBDIRECTORY(contrib/google-ced)
IF (ENABLE_BACKWARD MATCHES "ON")
    ADD_SUBDIRECTORY(contrib/backward-cpp)
    message(STATUS "Backward-cpp config: ${BACKWARD_DEFINITIONS}")
ELSE ()
    set(BACKWARD_ENABLE)
    macro(add_backward target)
      # do nothing
    endmacro()
ENDIF ()
IF (BACKWARD_LIBRARIES)
    message(STATUS "Backward-cpp libraries: ${BACKWARD_LIBRARIES}")
ENDIF ()

IF (SYSTEM_FMT MATCHES "OFF")
    INCLUDE_DIRECTORIES("${CMAKE_SOURCE_DIR}/contrib/fmt/include")
ELSE ()
    find_package(fmt)
ENDIF ()
IF (SYSTEM_DOCTEST MATCHES "OFF")
    ADD_SUBDIRECTORY(contrib/doctest)
    INCLUDE_DIRECTORIES("${CMAKE_SOURCE_DIR}/contrib/doctest")
ELSE ()
    find_package(doctest)
ENDIF ()

IF (NOT WITH_LUAJIT)
    ADD_SUBDIRECTORY(contrib/lua-bit)
ENDIF ()

IF (ENABLE_LUA_REPL MATCHES "ON")
    ADD_SUBDIRECTORY(contrib/replxx)
    SET(WITH_LUA_REPL 1)
    LIST(APPEND RSPAMD_REQUIRED_LIBRARIES rspamd-replxx)
ENDIF ()

IF (ENABLE_SNOWBALL MATCHES "ON")
    LIST(APPEND RSPAMD_REQUIRED_LIBRARIES stemmer)
ENDIF ()
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES rspamd-hiredis)

LIST(APPEND RSPAMD_REQUIRED_LIBRARIES rspamd-actrie)
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES rspamd-t1ha)
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES rspamd-ev)
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES rspamd-kann)
LIST(APPEND RSPAMD_REQUIRED_LIBRARIES rspamd-ced)

IF (ENABLE_CLANG_PLUGIN MATCHES "ON")
    ADD_SUBDIRECTORY(clang-plugin)
ENDIF ()

ADD_SUBDIRECTORY(src)
enable_testing()
ADD_SUBDIRECTORY(test)
ADD_SUBDIRECTORY(utils)

############################ TARGETS SECTION ###############################

CONFIGURE_FILE(config.h.in src/config.h)

##################### INSTALLATION ##########################################

# Binaries

# Configs
INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${CONFDIR})")
INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${SHAREDIR})")
INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${LUALIBDIR})")
INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${PLUGINSDIR})")
INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${RULESDIR})")

# Install configs only if they are unchanged
LIST(LENGTH CONFFILES CONFLIST_COUNT)
MATH(EXPR CONFLIST_MAX ${CONFLIST_COUNT}-1)

FILE(GLOB_RECURSE CONF_FILES RELATIVE "${CMAKE_SOURCE_DIR}/conf" CONFIGURE_DEPENDS
        "${CMAKE_SOURCE_DIR}/conf/*.conf"
        "${CMAKE_SOURCE_DIR}/conf/*.inc")
FOREACH (CONF_FILE ${CONF_FILES})
    GET_FILENAME_COMPONENT(_rp ${CONF_FILE} PATH)
    INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${CONFDIR}/${_rp})")
    INSTALL(FILES "${CMAKE_CURRENT_SOURCE_DIR}/conf/${CONF_FILE}"
            DESTINATION ${CONFDIR}/${_rp})
ENDFOREACH (CONF_FILE)

# Lua plugins

FILE(GLOB LUA_PLUGINS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/src/plugins/lua" CONFIGURE_DEPENDS
        "${CMAKE_CURRENT_SOURCE_DIR}/src/plugins/lua/*.lua")
FOREACH (LUA_PLUGIN ${LUA_PLUGINS})
    GET_FILENAME_COMPONENT(_rp ${LUA_PLUGIN} PATH)
    INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${PLUGINSDIR}/${_rp})")
    INSTALL(FILES "src/plugins/lua/${LUA_PLUGIN}" DESTINATION ${PLUGINSDIR}/${_rp})
ENDFOREACH (LUA_PLUGIN)


# Install TLD list
INSTALL(FILES "contrib/publicsuffix/effective_tld_names.dat" DESTINATION
        "${SHAREDIR}")

# Install languages data
INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${SHAREDIR}/languages)")
FILE(GLOB LANGUAGES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/contrib/languages-data/*.json")
FOREACH (_LANG ${LANGUAGES})
    INSTALL(FILES "${_LANG}" DESTINATION ${SHAREDIR}/languages)
ENDFOREACH ()
INSTALL(FILES "${CMAKE_CURRENT_SOURCE_DIR}/contrib/languages-data/stop_words" DESTINATION ${SHAREDIR}/languages)

# Lua config
FILE(GLOB_RECURSE LUA_CONFIGS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/rules" CONFIGURE_DEPENDS
        "${CMAKE_CURRENT_SOURCE_DIR}/rules/*.lua")
FOREACH (LUA_CONF ${LUA_CONFIGS})
    GET_FILENAME_COMPONENT(_rp ${LUA_CONF} PATH)
    INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${RULESDIR}/${_rp})")
    INSTALL(FILES "rules/${LUA_CONF}" DESTINATION ${RULESDIR}/${_rp})
ENDFOREACH (LUA_CONF)

# Lua libs
FILE(GLOB_RECURSE LUA_LIBS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/lualib" CONFIGURE_DEPENDS
        "${CMAKE_CURRENT_SOURCE_DIR}/lualib/*.lua")
FOREACH (LUA_LIB ${LUA_LIBS})
    GET_FILENAME_COMPONENT(_rp ${LUA_LIB} PATH)
    INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${LUALIBDIR}/${_rp})")
    INSTALL(FILES "lualib/${LUA_LIB}" DESTINATION ${LUALIBDIR}/${_rp})
ENDFOREACH (LUA_LIB)

# Install lua fun library
INSTALL(FILES "contrib/lua-fun/fun.lua" DESTINATION ${LUALIBDIR})
INSTALL(FILES "contrib/lua-argparse/argparse.lua" DESTINATION ${LUALIBDIR})
INSTALL(FILES "contrib/lua-tableshape/tableshape.lua" DESTINATION ${LUALIBDIR})
INSTALL(FILES "contrib/lua-lupa/lupa.lua" DESTINATION ${LUALIBDIR})
INSTALL(FILES "contrib/lua-lpeg/lpegre.lua" DESTINATION ${LUALIBDIR})

# systemd unit
IF (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND WANT_SYSTEMD_UNITS MATCHES "ON")
    INSTALL(FILES "rspamd.service" DESTINATION ${SYSTEMDDIR})
ENDIF (CMAKE_SYSTEM_NAME STREQUAL "Linux" AND WANT_SYSTEMD_UNITS MATCHES "ON")

# Manual pages
INSTALL(FILES "doc/rspamd.8" DESTINATION ${MANDIR}/man8)
INSTALL(FILES "doc/rspamc.1" DESTINATION ${MANDIR}/man1)
INSTALL(FILES "doc/rspamadm.1" DESTINATION ${MANDIR}/man1)

# Utils
INSTALL(PROGRAMS "utils/rspamd_stats.pl" RENAME rspamd_stats DESTINATION bin)

# Install webui
IF (INSTALL_WEBUI MATCHES "ON")
    INSTALL(DIRECTORY "interface/" DESTINATION ${WWWDIR} PATTERN ".git" EXCLUDE)
ENDIF (INSTALL_WEBUI MATCHES "ON")


INSTALL(DIRECTORY "contrib/elastic/" DESTINATION "${SHAREDIR}/elastic" PATTERN ".git" EXCLUDE)

ADD_CUSTOM_TARGET(dist ${CMAKE_SOURCE_DIR}/dist.sh
        "${CMAKE_BINARY_DIR}/rspamd-${RSPAMD_VERSION}.tar.xz" "${TAR}"
        COMMENT "Create source distribution"
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})

IF (NOT DEBIAN_BUILD)
    ADD_CUSTOM_TARGET(check DEPENDS rspamd-test-cxx rspamd-test)
    ADD_CUSTOM_TARGET(run-test DEPENDS check
            COMMAND test/rspamd-test-cxx
            COMMAND sh -c 'LUA_PATH="${CMAKE_SOURCE_DIR}/lualib/?.lua\;${CMAKE_SOURCE_DIR}/lualib/?/?.lua\;${CMAKE_SOURCE_DIR}/lualib/?/init.lua\;${CMAKE_SOURCE_DIR}/contrib/lua-?/?.lua"
            test/rspamd-test -p /rspamd/lua')
ENDIF (NOT DEBIAN_BUILD)


# PVS Studio
find_program(_PVS_STUDIO "pvs-studio-analyzer")

if (_PVS_STUDIO)
    include(PVS-Studio)
    pvs_studio_add_target(TARGET ${PROJECT_NAME}.analyze
            ANALYZE ${PROJECT_NAME} rspamd-server rspamadm rspamc
            OUTPUT FORMAT errorfile
            LOG target_${PROJECT_NAME}.err)
endif ()