project(Plexus4 C)
cmake_minimum_required(VERSION 3.2)

include(CheckFunctionExists)
include(CheckIncludeFiles)
include(CheckLibraryExists)
include(GNUInstallDirs)
# If found, will set OPENSSL_FOUND, OPENSSL_INCLUDE_DIR, OPENSSL_LIBRARIES and OPENSSL_VERSION
include(FindOpenSSL)
include(TestBigEndian)
include(CheckSymbolExists)

TEST_BIG_ENDIAN(WORDS_BIGENDIAN)

option(PREFIX "Installation location prefix" "/usr/local/bin")
option(GEOIP "Enable GeoIP support" OFF)
option(LUA "Enable LUA" OFF)
option(JSON "Enable JSON support, required for upgrading" OFF)
option(HTTPD "Enable libmicrohttpd" OFF)
option(ASSERTS "Enable asserts" OFF)
option(HALFOPS "Enable halfops (+h / %) for channels" ON)
option(CHANAQ "Enable owner (+q / ~) for channels" ON)

include_directories(${Plexus4_SOURCE_DIR}/include
                    ${Plexus4_SOURCE_DIR})

function(AX_CHECK_LIB_IPV4)
	CHECK_FUNCTION_EXISTS(getaddrinfo HAVE_GETADDRINFO)
	CHECK_FUNCTION_EXISTS(getnameinfo HAVE_GETNAMEINFO)
	find_library(SOCKET_LIBRARIES NAMES socket REQUIRED)
	CHECK_SYMBOL_EXISTS(sockaddr_in "sys/types.h;sys/socket.h;netdb.h" HAVE_SOCKADDR_IN)
	CHECK_SYMBOL_EXISTS("struct sockaddr_storage" "sys/types.h;sys/socket.h;netdb.h" HAVE_SOCKADDR_STORAGE)
endfunction()

AX_CHECK_LIB_IPV4()
if (NOT HAVE_SOCKADDR_IN)
	message("struct sockaddr_in not found")
endif()

SET(NO_STRICT_ALIASING "-fno-strict-aliasing")

SET(CMAKE_C_FLAGS "${NO_STRICT_ALIASING}")
SET(C_STANDARD 99)

find_library(IPV4_LIBRARIES NAMES IPV4 REQUIRED)
find_library(IPV6_LIBRARIES NAMES IPV6 REQUIRED)

message("${IPV6_LIBRARIES}")
message("${OPENSSL_LIBRARIES}")

CHECK_FUNCTION_EXISTS(strtok_r HAVE_STRTOK_R)
CHECK_FUNCTION_EXISTS(usleep   HAVE_USLEEP)
CHECK_FUNCTION_EXISTS(strlcat  HAVE_STRLCAT)
CHECK_FUNCTION_EXISTS(strlcpy  HAVE_STRLCPY)

CHECK_INCLUDE_FILES(crypt.h        HAVE_CRYPT_H)
CHECK_INCLUDE_FILES(sys/resource.h HAVE_SYS_RESOURCE_H)
CHECK_INCLUDE_FILES(sys/param.h    HAVE_SYS_PARAM_H)
CHECK_INCLUDE_FILES(types.h        HAVE_TYPES_H)
CHECK_INCLUDE_FILES(socket.h       HAVE_SOCKET_H)
CHECK_INCLUDE_FILES(sys/wait.h     HAVE_SYS_WAIT_H)
CHECK_INCLUDE_FILES(wait.h         HAVE_WAIT_H)

find_program(YACC yacc DOC "Path to YACC")
find_program(LEX lex DOC "Path to LEX")
find_program(INSTALL install DOC "Path to INSTALL")

message("${YACC}")
message("${LEX}")
message("${INSTALL}")

if (GEOIP)
	find_path(GEOIP_INCLUDE_DIRS GeoIP.h)
	find_library(GEOIP_LIBRARIES NAMES GeoIP REQUIRED)
	include_directories(${GEOIP_INCLUDE_DIRS})
	SET(HAVE_LIBGEOIP ON)
endif()

if (JSON)
	find_path(JANSSON_INCLUDE_DIRS jansson.h)
	find_library(JANSSON_LIBRARIES NAMES jansson REQUIRED)
	include_directories(${JANSSON_INCLUDE_DIRS})
	SET(HAVE_LIBJANSSON ON)
endif()

if (ASSERTS)
	SET(NDEBUG 1)
endif()



SET(NICKNAMEHISTORYLENGTH    32 * 1024)
SET(MP_CHUNK_SIZE_CHANNEL  1024 * 1024)
SET(MP_CHUNK_SIZE_MEMBER   2048 * 1024)
SET(MP_CHUNK_SIZE_BAN      1024 * 1024)
SET(MP_CHUNK_SIZE_CLIENT   1024 * 1024)
SET(MP_CHUNK_SIZE_LCLIENT   512 * 1024)
SET(MP_CHUNK_SIZE_DNODE      32 * 1024)
SET(MP_CHUNK_SIZE_DBUF      512 * 1024)
SET(MP_CHUNK_SIZE_AUTH      128 * 1024)
SET(MP_CHUNK_SIZE_DNS        64 * 1024)
SET(MP_CHUNK_SIZE_WATCH       8 * 1024)
SET(MP_CHUNK_SIZE_USERHOST  128 * 1024)
SET(MP_CHUNK_SIZE_IP_ENTRY  128 * 1024)
SET(MP_CHUNK_SIZE_INVITE      8 * 1024)

add_definitions(HAVE_CONFIG_H)
configure_file(config.h.cmake config.h)


#add_subdirectory(src)
#add_subdirectory(tools)
#add_subdirectory(libltdl)
#add_subdirectory(doc)
#add_subdirectory(help)
#add_subdirectory(modules)
#add_subdirectory(ircd)
#add_subdirectory(scripts)