2 cmake_minimum_required( VERSION 2.6 )
4 INCLUDE(CheckCSourceRuns)
5 INCLUDE(CheckIncludeFiles)
7 # Set some random things default to not being visible in the GUI
8 mark_as_advanced(EXECUTABLE_OUTPUT_PATH LIBRARY_OUTPUT_PATH)
10 option(ENABLE_CURL "Enable cURL support for fetching media" 1)
13 mark_as_advanced(CLEAR CURL_LIBRARY CURL_INCLUDE_DIR)
14 endif(NOT ENABLE_CURL)
20 if (CURL_FOUND AND ENABLE_CURL)
21 message(STATUS "cURL support enabled")
23 endif(CURL_FOUND AND ENABLE_CURL)
25 # user-visible option to enable/disable gettext usage
26 OPTION(ENABLE_GETTEXT "Use GetText for internationalization" 0)
28 # this is only set to 1 if gettext is enabled _and_ available
32 find_package(GettextLib)
34 MARK_AS_ADVANCED(GETTEXT_ICONV_DLL GETTEXT_INCLUDE_DIR GETTEXT_LIBRARY GETTEXT_MSGFMT)
37 if(GETTEXT_FOUND AND ENABLE_GETTEXT)
38 message(STATUS "gettext include path: ${GETTEXT_INCLUDE_DIR}")
39 message(STATUS "gettext msgfmt path: ${GETTEXT_MSGFMT}")
41 message(STATUS "gettext library: ${GETTEXT_LIBRARY}")
42 message(STATUS "gettext dll: ${GETTEXT_DLL}")
43 message(STATUS "gettext iconv dll: ${GETTEXT_ICONV_DLL}")
46 message(STATUS "GetText enabled; locales found: ${GETTEXT_AVAILABLE_LOCALES}")
47 elseif(GETTEXT_FOUND AND NOT ENABLE_GETTEXT)
48 MESSAGE(STATUS "GetText found but disabled;")
49 else(GETTEXT_FOUND AND ENABLE_GETTEXT)
50 message(STATUS "GetText disabled")
51 endif(GETTEXT_FOUND AND ENABLE_GETTEXT)
53 # user visible option to enable/disable sound
54 OPTION(ENABLE_SOUND "Enable sound" ON)
56 # this is only set to 1 if sound is enabled _and_ available
60 if(ENABLE_SOUND AND BUILD_CLIENT)
65 message(STATUS "Sound enabled, but OpenAL not found!")
67 MARK_AS_ADVANCED(CLEAR OPENAL_LIBRARY OPENAL_INCLUDE_DIR)
70 message(STATUS "Sound enabled, but Vorbis libraries not found!")
72 MARK_AS_ADVANCED(CLEAR OGG_INCLUDE_DIR VORBIS_INCLUDE_DIR OGG_LIBRARY VORBIS_LIBRARY VORBISFILE_LIBRARY)
74 if(OPENAL_FOUND AND VORBIS_FOUND)
76 message(STATUS "Sound enabled")
78 endif(ENABLE_SOUND AND BUILD_CLIENT)
81 message(FATAL_ERROR "Sound enabled, but cannot be used.\n"
82 "To continue, either fill in the required paths or disable sound. (-DENABLE_SOUND=0)")
85 set(sound_SRCS sound_openal.cpp)
86 set(SOUND_INCLUDE_DIRS
97 option(ENABLE_FREETYPE "Enable freetype2 (truetype fonts and basic unicode support)" OFF)
101 endif(ENABLE_FREETYPE)
104 set(USE_GPROF 0 CACHE BOOL "Use -pg flag for g++")
108 add_definitions ( -DUSE_CMAKE_CONFIG_H )
112 if(MSVC) # MSVC Specifics
113 # Surpress some useless warnings
114 add_definitions ( /D "_CRT_SECURE_NO_DEPRECATE" /W1 )
115 else() # Probably MinGW = GCC
116 set(PLATFORM_LIBS ws2_32.lib)
119 set(ZLIB_INCLUDE_DIR "${PROJECT_SOURCE_DIR}/../../zlib/zlib-1.2.5"
120 CACHE PATH "Zlib include directory")
121 set(ZLIB_LIBRARIES "${PROJECT_SOURCE_DIR}/../../zlib125dll/dll32/zlibwapi.lib"
122 CACHE FILEPATH "Path to zlibwapi.lib")
123 set(ZLIB_DLL "${PROJECT_SOURCE_DIR}/../../zlib125dll/dll32/zlibwapi.dll"
124 CACHE FILEPATH "Path to zlibwapi.dll (for installation)")
125 set(IRRLICHT_SOURCE_DIR "${PROJECT_SOURCE_DIR}/../../irrlicht-1.7.2"
126 CACHE PATH "irrlicht dir")
128 set(FREETYPE_INCLUDE_DIR_ft2build "${PROJECT_SOURCE_DIR}/../../freetype2/include/"
129 CACHE PATH "freetype include dir")
130 set(FREETYPE_INCLUDE_DIR_freetype2 "${PROJECT_SOURCE_DIR}/../../freetype2/include/freetype"
131 CACHE PATH "freetype include dir")
132 set(FREETYPE_LIBRARY "${PROJECT_SOURCE_DIR}/../../freetype2/objs/win32/vc2005/freetype247.lib"
133 CACHE FILEPATH "Path to freetype247.lib")
136 set(OPENAL_DLL "" CACHE FILEPATH "Path to OpenAL32.dll for installation (optional)")
137 set(OGG_DLL "" CACHE FILEPATH "Path to libogg.dll for installation (optional)")
138 set(VORBIS_DLL "" CACHE FILEPATH "Path to libvorbis.dll for installation (optional)")
139 set(VORBISFILE_DLL "" CACHE FILEPATH "Path to libvorbisfile.dll for installation (optional)")
144 find_package(X11 REQUIRED)
145 find_package(OpenGL REQUIRED)
146 find_package(JPEG REQUIRED)
147 find_package(BZip2 REQUIRED)
148 find_package(PNG REQUIRED)
150 FIND_LIBRARY(CARBON_LIB Carbon)
151 FIND_LIBRARY(COCOA_LIB Cocoa)
152 FIND_LIBRARY(IOKIT_LIB IOKit)
158 SET(CLIENT_PLATFORM_LIBS ${CLIENT_PLATFORM_LIBS} ${CARBON_LIB} ${COCOA_LIB} ${IOKIT_LIB})
161 find_package(ZLIB REQUIRED)
162 set(PLATFORM_LIBS -lpthread ${CMAKE_DL_LIBS})
164 set(PLATFORM_LIBS "-framework CoreFoundation" ${PLATFORM_LIBS})
166 set(PLATFORM_LIBS -lrt ${PLATFORM_LIBS})
168 #set(CLIENT_PLATFORM_LIBS -lXxf86vm)
169 # This way Xxf86vm is found on OpenBSD too
170 find_library(XXF86VM_LIBRARY Xxf86vm)
171 mark_as_advanced(XXF86VM_LIBRARY)
172 set(CLIENT_PLATFORM_LIBS ${CLIENT_PLATFORM_LIBS} ${XXF86VM_LIBRARY})
175 find_package(SQLite3 REQUIRED)
176 find_package(Json REQUIRED)
178 option(ENABLE_GLES "Enable OpenGL ES support" 0)
179 mark_as_advanced(ENABLE_GLES)
181 find_package(OpenGLES2)
186 include(FindPkgConfig)
188 pkg_check_modules(FREETYPE QUIET freetype2)
190 SET(FREETYPE_PKGCONFIG_FOUND TRUE)
191 SET(FREETYPE_LIBRARY ${FREETYPE_LIBRARIES})
192 # because cmake is idiotic
193 string(REPLACE ";" " " FREETYPE_CFLAGS_STR ${FREETYPE_CFLAGS})
194 string(REPLACE ";" " " FREETYPE_LDFLAGS_STR ${FREETYPE_LDFLAGS})
195 endif(FREETYPE_FOUND)
196 endif(PKG_CONFIG_FOUND)
198 if(NOT FREETYPE_FOUND)
199 find_package(Freetype REQUIRED)
200 endif(NOT FREETYPE_FOUND)
201 set(CGUITTFONT_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/cguittfont")
202 set(CGUITTFONT_LIBRARY cguittfont)
205 if (NOT DISABLE_LUAJIT)
206 find_library(LUA_LIBRARY luajit
208 find_path(LUA_INCLUDE_DIR luajit.h
210 PATH_SUFFIXES luajit-2.0)
211 message (STATUS "LuaJIT library: ${LUA_LIBRARY}")
212 message (STATUS "LuaJIT headers: ${LUA_INCLUDE_DIR}")
213 else (NOT ${DISABLE_LUAJIT} MATCHES "1")
214 message (STATUS "LuaJIT detection disabled! (DISABLE_LUAJIT=1)")
216 set(LUA_INCLUDE_DIR "")
217 endif (NOT DISABLE_LUAJIT)
220 if(LUA_LIBRARY AND LUA_INCLUDE_DIR)
221 message (STATUS "LuaJIT found, checking for broken versions...")
222 if(CMAKE_CROSSCOMPILING)
223 message(WARNING "Cross-compiling enabled, assuming LuaJIT is not broken")
224 set(VALID_LUAJIT_VERSION 1)
225 else(CMAKE_CROSSCOMPILING)
226 set(BACKUP_REQUIRED_INCS CMAKE_REQUIRED_INCLUDES)
227 set(CMAKE_REQUIRED_INCLUDES "${CMAKE_REQUIRED_INCLUDES} ${LUA_INCLUDE_DIR}")
228 CHECK_C_SOURCE_RUNS("
233 #define ARRAYSIZE(a) (sizeof(a) / sizeof((a)[0]))
235 static char *broken_luajit_versions[] = {
236 \"LuaJIT 2.0.0-beta7\",
237 \"LuaJIT 2.0.0-beta6\",
238 \"LuaJIT 2.0.0-beta5\",
239 \"LuaJIT 2.0.0-beta4\",
240 \"LuaJIT 2.0.0-beta3\",
241 \"LuaJIT 2.0.0-beta2\",
242 \"LuaJIT 2.0.0-beta1\"
245 int main(int argc, char *argv[]) {
247 for (i = 0; i < ARRAYSIZE(broken_luajit_versions); i++) {
248 if (strcmp(LUAJIT_VERSION, broken_luajit_versions[i]) == 0) {
255 VALID_LUAJIT_VERSION)
256 set(CMAKE_REQUIRED_INCLUDES BACKUP_REQUIRED_INCS)
257 endif(CMAKE_CROSSCOMPILING)
258 if (VALID_LUAJIT_VERSION)
259 message (STATUS "LuaJIT version ok")
261 else (VALID_LUAJIT_VERSION)
262 message (STATUS "LuaJIT versions till 2.0.0beta7 known to be broken, update to at least beta8")
264 endif (VALID_LUAJIT_VERSION)
265 endif (LUA_LIBRARY AND LUA_INCLUDE_DIR)
268 message (STATUS "LuaJIT not found, using bundled Lua.")
269 set(LUA_INCLUDE_DIR "${PROJECT_SOURCE_DIR}/lua/src")
270 set(LUA_LIBRARY "lua")
271 add_subdirectory(lua)
272 endif(NOT USE_LUAJIT)
274 mark_as_advanced(LUA_LIBRARY)
275 mark_as_advanced(LUA_INCLUDE_DIR)
279 OPTION(ENABLE_LEVELDB "Enable LevelDB backend")
282 find_library(LEVELDB_LIBRARY leveldb)
283 find_path(LEVELDB_INCLUDE_DIR db.h PATH_SUFFIXES leveldb)
284 message (STATUS "LevelDB library: ${LEVELDB_LIBRARY}")
285 message (STATUS "LevelDB headers: ${LEVELDB_INCLUDE_DIR}")
286 if(LEVELDB_LIBRARY AND LEVELDB_INCLUDE_DIR)
288 message(STATUS "LevelDB backend enabled")
289 include_directories(${LEVELDB_INCLUDE_DIR})
290 else(LEVELDB_LIBRARY AND LEVELDB_INCLUDE_DIR)
292 message(STATUS "LevelDB not found!")
293 endif(LEVELDB_LIBRARY AND LEVELDB_INCLUDE_DIR)
294 endif(ENABLE_LEVELDB)
298 OPTION(ENABLE_REDIS "Enable redis backend" 1)
301 find_library(REDIS_LIBRARY hiredis)
302 find_path(REDIS_INCLUDE_DIR hiredis.h PATH_SUFFIXES hiredis)
303 message(STATUS "redis library: ${REDIS_LIBRARY}")
304 message(STATUS "redis headers: ${REDIS_INCLUDE_DIR}")
305 if(REDIS_LIBRARY AND REDIS_INCLUDE_DIR)
307 message(STATUS "redis backend enabled")
308 include_directories(${REDIS_INCLUDE_DIR})
309 else(REDIS_LIBRARY AND REDIS_INCLUDE_DIR)
311 message(STATUS "redis not found!")
312 endif(REDIS_LIBRARY AND REDIS_INCLUDE_DIR)
315 CHECK_INCLUDE_FILES(endian.h HAVE_ENDIAN_H)
316 if(NOT HAVE_ENDIAN_H)
318 endif(NOT HAVE_ENDIAN_H)
321 "${PROJECT_SOURCE_DIR}/cmake_config.h.in"
322 "${PROJECT_BINARY_DIR}/cmake_config.h"
325 # Add a target that always rebuilds cmake_config_githash.h
326 add_custom_target(GenerateVersion
327 COMMAND ${CMAKE_COMMAND}
328 -D "GENERATE_VERSION_SOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR}"
329 -D "GENERATE_VERSION_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}"
330 -D "VERSION_STRING=${VERSION_STRING}"
331 -D "VERSION_EXTRA=${VERSION_EXTRA}"
332 -P "${CMAKE_SOURCE_DIR}/cmake/Modules/GenerateVersion.cmake"
333 WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}")
335 add_subdirectory(jthread)
336 add_subdirectory(script)
337 add_subdirectory(util)
374 mapgen_singlenode.cpp
390 object_properties.cpp
396 rollback_interface.cpp
414 ${common_SCRIPT_SRCS}
418 # This gives us the icon and file version information
420 set(WINRESOURCE_FILE ${CMAKE_CURRENT_SOURCE_DIR}/../misc/winresource.rc)
422 if(NOT CMAKE_RC_COMPILER)
423 set(CMAKE_RC_COMPILER "windres.exe")
425 ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/winresource_rc.o
426 COMMAND ${CMAKE_RC_COMPILER} -I${CMAKE_CURRENT_SOURCE_DIR} -I${CMAKE_CURRENT_BINARY_DIR}
427 -i${WINRESOURCE_FILE}
428 -o ${CMAKE_CURRENT_BINARY_DIR}/winresource_rc.o
429 WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
430 DEPENDS ${WINRESOURCE_FILE})
431 SET(common_SRCS ${common_SRCS} ${CMAKE_CURRENT_BINARY_DIR}/winresource_rc.o)
432 else(MINGW) # Probably MSVC
433 set(common_SRCS ${common_SRCS} ${WINRESOURCE_FILE})
458 guiFileSelectMenu.cpp
461 guiPasswordChange.cpp
475 ${minetest_SCRIPT_SRCS}
477 list(SORT minetest_SRCS)
480 set(minetestserver_SRCS
484 list(SORT minetestserver_SRCS)
487 ${PROJECT_BINARY_DIR}
488 ${PROJECT_SOURCE_DIR}
489 ${IRRLICHT_INCLUDE_DIR}
493 ${GETTEXT_INCLUDE_DIR}
494 ${SOUND_INCLUDE_DIRS}
495 ${SQLITE3_INCLUDE_DIR}
498 ${PROJECT_SOURCE_DIR}/script
503 ${FREETYPE_INCLUDE_DIRS}
504 ${CGUITTFONT_INCLUDE_DIR}
514 set(EXECUTABLE_OUTPUT_PATH "${CMAKE_SOURCE_DIR}/bin")
517 add_executable(${PROJECT_NAME} ${minetest_SRCS})
518 add_dependencies(${PROJECT_NAME} GenerateVersion)
533 ${OPENGLES2_LIBRARIES}
535 ${CLIENT_PLATFORM_LIBS}
538 target_link_libraries(
543 target_link_libraries(
548 target_link_libraries(
554 if(FREETYPE_PKGCONFIG_FOUND)
555 set_target_properties(${PROJECT_NAME}
557 COMPILE_FLAGS "${FREETYPE_CFLAGS_STR}"
559 endif(FREETYPE_PKGCONFIG_FOUND)
560 target_link_libraries(
563 ${CGUITTFONT_LIBRARY}
567 target_link_libraries(${PROJECT_NAME} ${LEVELDB_LIBRARY})
570 target_link_libraries(${PROJECT_NAME} ${REDIS_LIBRARY})
575 add_executable(${PROJECT_NAME}server ${minetestserver_SRCS})
576 add_dependencies(${PROJECT_NAME}server GenerateVersion)
577 target_link_libraries(
578 ${PROJECT_NAME}server
587 target_link_libraries(${PROJECT_NAME}server ${LEVELDB_LIBRARY})
590 target_link_libraries(${PROJECT_NAME}server ${REDIS_LIBRARY})
593 target_link_libraries(
594 ${PROJECT_NAME}server
602 # Set some optimizations and tweaks
605 include(CheckCXXCompilerFlag)
610 # EHa enables SEH exceptions (used for catching segfaults)
611 set(CMAKE_CXX_FLAGS_RELEASE "/EHa /O2 /Ob2 /Oi /Ot /Oy /GL /FD /MT /GS- /arch:SSE /fp:fast /D NDEBUG /D _HAS_ITERATOR_DEBUGGING=0 /TP")
612 #set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/LTCG /NODEFAULTLIB:\"libcmtd.lib\" /NODEFAULTLIB:\"libcmt.lib\"")
613 set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/LTCG")
615 # Debug build doesn't catch exceptions by itself
616 # Add some optimizations because otherwise it's VERY slow
617 set(CMAKE_CXX_FLAGS_DEBUG "/MDd /Zi /Ob0 /Od /RTC1")
619 # Flags for C files (sqlite)
620 # /MT = Link statically with standard library stuff
621 set(CMAKE_C_FLAGS_RELEASE "/O2 /Ob2 /MT")
624 set_target_properties(${PROJECT_NAME}server PROPERTIES
625 COMPILE_DEFINITIONS "SERVER")
631 SET( CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pagezero_size 10000 -image_base 100000000" )
634 set(RELEASE_WARNING_FLAGS "-Wall")
636 set(RELEASE_WARNING_FLAGS "")
639 if(NOT APPLE AND NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
640 CHECK_CXX_COMPILER_FLAG("-Wno-unused-but-set-variable" HAS_UNUSED_BUT_SET_VARIABLE_WARNING)
641 if(HAS_UNUSED_BUT_SET_VARIABLE_WARNING)
642 set(WARNING_FLAGS "${WARNING_FLAGS} -Wno-unused-but-set-variable")
643 endif(HAS_UNUSED_BUT_SET_VARIABLE_WARNING)
646 if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
647 # clang does not understand __extern_always_inline but libc headers use it
648 set(OTHER_FLAGS "${OTHER_FLAGS} \"-D__extern_always_inline=extern __always_inline\"")
652 set(OTHER_FLAGS "-mthreads -fexceptions")
655 set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG ${RELEASE_WARNING_FLAGS} ${WARNING_FLAGS} ${OTHER_FLAGS} -ffast-math -Wall -pipe -funroll-loops")
657 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Os")
659 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -fomit-frame-pointer")
661 set(CMAKE_CXX_FLAGS_DEBUG "-g -O1 -Wall ${WARNING_FLAGS} ${OTHER_FLAGS}")
664 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -pg")
668 set_target_properties(${PROJECT_NAME}server PROPERTIES
669 COMPILE_DEFINITIONS "SERVER")
674 #MESSAGE(STATUS "CMAKE_CXX_FLAGS_RELEASE=${CMAKE_CXX_FLAGS_RELEASE}")
675 #MESSAGE(STATUS "CMAKE_CXX_FLAGS_DEBUG=${CMAKE_CXX_FLAGS_DEBUG}")
683 install(FILES ${OPENAL_DLL} DESTINATION ${BINDIR})
686 install(FILES ${OGG_DLL} DESTINATION ${BINDIR})
689 install(FILES ${VORBIS_DLL} DESTINATION ${BINDIR})
692 install(FILES ${VORBISFILE_DLL} DESTINATION ${BINDIR})
696 install(FILES ${CURL_DLL} DESTINATION ${BINDIR})
699 install(FILES ${ZLIB_DLL} DESTINATION ${BINDIR})
702 install(FILES ${ZLIBWAPI_DLL} DESTINATION ${BINDIR})
705 install(FILES ${FREETYPE_DLL} DESTINATION ${BINDIR})
708 install(FILES ${SQLITE3_DLL} DESTINATION ${BINDIR})
711 install(FILES ${LEVELDB_DLL} DESTINATION ${BINDIR})
716 install(TARGETS ${PROJECT_NAME} DESTINATION ${BINDIR})
719 foreach(LOCALE ${GETTEXT_AVAILABLE_LOCALES})
720 set_mo_paths(MO_BUILD_PATH MO_DEST_PATH ${LOCALE})
721 set(MO_BUILD_PATH "${MO_BUILD_PATH}/${PROJECT_NAME}.mo")
722 install(FILES ${MO_BUILD_PATH} DESTINATION ${MO_DEST_PATH})
723 endforeach(LOCALE ${GETTEXT_AVAILABLE_LOCALES})
727 if(DEFINED IRRLICHT_DLL)
728 install(FILES ${IRRLICHT_DLL} DESTINATION ${BINDIR})
731 if(DEFINED GETTEXT_DLL)
732 install(FILES ${GETTEXT_DLL} DESTINATION ${BINDIR})
734 if(DEFINED GETTEXT_ICONV_DLL)
735 install(FILES ${GETTEXT_ICONV_DLL} DESTINATION ${BINDIR})
742 install(TARGETS ${PROJECT_NAME}server DESTINATION ${BINDIR})
748 foreach(LOCALE ${GETTEXT_AVAILABLE_LOCALES})
749 set(PO_FILE_PATH "${GETTEXT_PO_PATH}/${LOCALE}/minetest.po")
750 set_mo_paths(MO_BUILD_PATH MO_DEST_PATH ${LOCALE})
751 set(MO_FILE_PATH "${MO_BUILD_PATH}/${PROJECT_NAME}.mo")
753 add_custom_command(OUTPUT ${MO_BUILD_PATH}
754 COMMAND ${CMAKE_COMMAND} -E make_directory ${MO_BUILD_PATH}
755 COMMENT "mo-update [${LOCALE}]: Creating locale directory.")
758 OUTPUT ${MO_FILE_PATH}
759 COMMAND ${GETTEXT_MSGFMT} -o ${MO_FILE_PATH} ${PO_FILE_PATH}
760 DEPENDS ${MO_BUILD_PATH} ${PO_FILE_PATH}
761 WORKING_DIRECTORY "${GETTEXT_PO_PATH}/${LOCALE}"
762 COMMENT "mo-update [${LOCALE}]: Creating mo file."
765 set(MO_FILES ${MO_FILES} ${MO_FILE_PATH})
766 endforeach(LOCALE ${GETTEXT_AVAILABLE_LOCALES})
768 add_custom_target(translations ALL COMMENT "mo update" DEPENDS ${MO_FILES})
773 if (BUILD_CLIENT AND USE_FREETYPE)
774 add_subdirectory(cguittfont)
775 endif (BUILD_CLIENT AND USE_FREETYPE)
779 add_subdirectory(json)