DISTRHO Plugin Framework
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  1. # DISTRHO Plugin Framework (DPF)
  2. # Copyright (C) 2021 Jean Pierre Cimalando <jp-dev@inbox.ru>
  3. # Copyright (C) 2022-2024 Filipe Coelho <falktx@falktx.com>
  4. #
  5. # SPDX-License-Identifier: ISC
  6. # ------------------------------------------------------------------------------
  7. # CMake support module for the DISTRHO Plugin Framework
  8. #
  9. # The purpose of this module is to help building music plugins easily, when the
  10. # project uses CMake as its build system.
  11. #
  12. # In order to use the helpers provided by this module, a plugin author should
  13. # add DPF as a subproject, making the function `dpf_add_plugin` available.
  14. # The usage of this function is documented below in greater detail.
  15. #
  16. # Example project `CMakeLists.txt`:
  17. #
  18. # ```
  19. # cmake_minimum_required(VERSION 3.7)
  20. # project(MyPlugin)
  21. #
  22. # add_subdirectory(DPF)
  23. #
  24. # dpf_add_plugin(MyPlugin
  25. # TARGETS clap lv2 vst2 vst3
  26. # UI_TYPE opengl
  27. # FILES_DSP
  28. # src/MyPlugin.cpp
  29. # FILES_UI
  30. # src/MyUI.cpp)
  31. #
  32. # target_include_directories(MyPlugin
  33. # PUBLIC src)
  34. # ```
  35. #
  36. # Important: note that properties, such as include directories, definitions,
  37. # and linked libraries *must* be marked with `PUBLIC` so they take effect and
  38. # propagate into all the plugin targets.
  39. include(CMakeParseArguments)
  40. # ------------------------------------------------------------------------------
  41. # DPF public functions
  42. # ------------------------------------------------------------------------------
  43. # dpf_add_plugin(name <args...>)
  44. # ------------------------------------------------------------------------------
  45. #
  46. # Add a plugin built using the DISTRHO Plugin Framework.
  47. #
  48. # ------------------------------------------------------------------------------
  49. # Created targets:
  50. #
  51. # `<name>`
  52. # static library: the common part of the plugin
  53. # The public properties set on this target apply to both DSP and UI.
  54. #
  55. # `<name>-dsp`
  56. # static library: the DSP part of the plugin
  57. # The public properties set on this target apply to the DSP only.
  58. #
  59. # `<name>-ui`
  60. # static library: the UI part of the plugin
  61. # The public properties set on this target apply to the UI only.
  62. #
  63. # `<name>-<target>` for each target specified with the `TARGETS` argument.
  64. # This is target-dependent and not intended for public use.
  65. #
  66. # ------------------------------------------------------------------------------
  67. # Arguments:
  68. #
  69. # `TARGETS` <tgt1>...<tgtN>
  70. # a list of one of more of the following target types:
  71. # `jack`, `ladspa`, `dssi`, `lv2`, `vst2`, `vst3`, `clap`
  72. #
  73. # `UI_TYPE` <type>
  74. # the user interface type, can be one of the following:
  75. # - cairo
  76. # - external
  77. # - opengl (default)
  78. # - opengl3
  79. # - vulkan
  80. # - webview
  81. #
  82. # `FILES_COMMON` <file1>...<fileN>
  83. # list of sources which are part of both DSP and UI
  84. #
  85. # `FILES_DSP` <file1>...<fileN>
  86. # list of sources which are part of the DSP
  87. #
  88. # `FILES_UI` <file1>...<fileN>
  89. # list of sources which are part of the UI
  90. # empty indicates the plugin does not have UI
  91. #
  92. # `MODGUI_CLASS_NAME`
  93. # class name to use for modgui builds
  94. #
  95. # `MONOLITHIC`
  96. # build LV2 as a single binary for UI and DSP
  97. #
  98. # `NO_SHARED_RESOURCES`
  99. # do not build DPF shared resources (fonts, etc)
  100. #
  101. # `USE_FILE_BROWSER`
  102. # enable file browser dialog APIs
  103. #
  104. # `USE_WEB_VIEW`
  105. # enable web browser view APIs
  106. #
  107. function(dpf_add_plugin NAME)
  108. set(options MONOLITHIC NO_SHARED_RESOURCES USE_FILE_BROWSER USE_WEB_VIEW)
  109. set(oneValueArgs MODGUI_CLASS_NAME UI_TYPE)
  110. set(multiValueArgs FILES_COMMON FILES_DSP FILES_UI TARGETS)
  111. cmake_parse_arguments(_dpf_plugin "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
  112. if("${_dpf_plugin_UI_TYPE}" STREQUAL "")
  113. set(_dpf_plugin_UI_TYPE "opengl")
  114. endif()
  115. set(_dgl_library)
  116. if(_dpf_plugin_FILES_UI)
  117. if(_dpf_plugin_UI_TYPE STREQUAL "cairo")
  118. dpf__add_dgl_cairo($<NOT:$<BOOL:${_dpf_plugin_NO_SHARED_RESOURCES}>>
  119. $<BOOL:${_dpf_plugin_USE_FILE_BROWSER}>
  120. $<BOOL:${_dpf_plugin_USE_WEB_VIEW}>)
  121. set(_dgl_library dgl-cairo)
  122. elseif(_dpf_plugin_UI_TYPE STREQUAL "external")
  123. dpf__add_dgl_external($<BOOL:${_dpf_plugin_USE_FILE_BROWSER}>
  124. $<BOOL:${_dpf_plugin_USE_WEB_VIEW}>)
  125. set(_dgl_library dgl-external)
  126. elseif(_dpf_plugin_UI_TYPE STREQUAL "opengl")
  127. dpf__add_dgl_opengl($<NOT:$<BOOL:${_dpf_plugin_NO_SHARED_RESOURCES}>>
  128. $<BOOL:${_dpf_plugin_USE_FILE_BROWSER}>
  129. $<BOOL:${_dpf_plugin_USE_WEB_VIEW}>)
  130. set(_dgl_library dgl-opengl)
  131. elseif(_dpf_plugin_UI_TYPE STREQUAL "opengl3")
  132. dpf__add_dgl_opengl3($<NOT:$<BOOL:${_dpf_plugin_NO_SHARED_RESOURCES}>>
  133. $<BOOL:${_dpf_plugin_USE_FILE_BROWSER}>
  134. $<BOOL:${_dpf_plugin_USE_WEB_VIEW}>)
  135. set(_dgl_library dgl-opengl3)
  136. elseif(_dpf_plugin_UI_TYPE STREQUAL "vulkan")
  137. dpf__add_dgl_vulkan($<NOT:$<BOOL:${_dpf_plugin_NO_SHARED_RESOURCES}>>
  138. $<BOOL:${_dpf_plugin_USE_FILE_BROWSER}>
  139. $<BOOL:${_dpf_plugin_USE_WEB_VIEW}>)
  140. set(_dgl_library dgl-vulkan)
  141. elseif(_dpf_plugin_UI_TYPE STREQUAL "webview")
  142. set(_dpf_plugin_USE_WEB_VIEW TRUE)
  143. dpf__add_dgl_external($<BOOL:${_dpf_plugin_USE_FILE_BROWSER}>
  144. $<BOOL:${_dpf_plugin_USE_WEB_VIEW}>)
  145. set(_dgl_library dgl-external)
  146. else()
  147. message(FATAL_ERROR "Unrecognized UI type for plugin: ${_dpf_plugin_UI_TYPE}")
  148. endif()
  149. else()
  150. set(_dpf_plugin_UI_TYPE "")
  151. endif()
  152. set(_dgl_has_ui OFF)
  153. if(_dgl_library)
  154. set(_dgl_has_ui ON)
  155. endif()
  156. ###
  157. dpf__ensure_sources_non_empty(_dpf_plugin_FILES_COMMON)
  158. dpf__ensure_sources_non_empty(_dpf_plugin_FILES_DSP)
  159. dpf__ensure_sources_non_empty(_dpf_plugin_FILES_UI)
  160. ###
  161. dpf__add_static_library("${NAME}" ${_dpf_plugin_FILES_COMMON})
  162. target_include_directories("${NAME}" PUBLIC
  163. "${DPF_ROOT_DIR}/distrho")
  164. if(_dpf_plugin_USE_FILE_BROWSER)
  165. target_compile_definitions("${NAME}" PUBLIC "DGL_USE_FILE_BROWSER")
  166. endif()
  167. if(_dpf_plugin_USE_WEB_VIEW)
  168. target_compile_definitions("${NAME}" PUBLIC "DGL_USE_WEB_VIEW")
  169. endif()
  170. if(_dpf_plugin_MODGUI_CLASS_NAME)
  171. target_compile_definitions("${NAME}" PUBLIC "DISTRHO_PLUGIN_MODGUI_CLASS_NAME=\"${_dpf_plugin_MODGUI_CLASS_NAME}\"")
  172. endif()
  173. if((NOT WIN32) AND (NOT APPLE) AND (NOT HAIKU))
  174. target_link_libraries("${NAME}" PRIVATE "dl")
  175. endif()
  176. if(_dgl_library)
  177. # make sure that all code will see DGL_* definitions
  178. target_link_libraries("${NAME}" PUBLIC
  179. "${_dgl_library}-definitions"
  180. dgl-system-libs-definitions
  181. dgl-system-libs)
  182. endif()
  183. dpf__add_static_library("${NAME}-dsp" ${_dpf_plugin_FILES_DSP})
  184. target_link_libraries("${NAME}-dsp" PUBLIC "${NAME}")
  185. if(_dgl_library)
  186. dpf__add_static_library("${NAME}-ui" ${_dpf_plugin_FILES_UI})
  187. target_link_libraries("${NAME}-ui" PUBLIC "${NAME}" ${_dgl_library})
  188. if((NOT WIN32) AND (NOT APPLE) AND (NOT HAIKU))
  189. target_link_libraries("${NAME}-ui" PRIVATE "dl")
  190. if(LINUX AND _dpf_plugin_USE_WEB_VIEW)
  191. execute_process(COMMAND ${CMAKE_C_COMPILER} -print-file-name=Scrt1.o
  192. OUTPUT_STRIP_TRAILING_WHITESPACE
  193. OUTPUT_VARIABLE _dpf_plugin_shared_crt)
  194. target_link_libraries("${NAME}-ui" PRIVATE "rt")
  195. endif()
  196. endif()
  197. # add the files containing C++17 or Objective-C classes
  198. dpf__add_plugin_specific_ui_sources("${NAME}-ui" "${_dpf_plugin_USE_WEB_VIEW}")
  199. else()
  200. add_library("${NAME}-ui" INTERFACE)
  201. endif()
  202. ###
  203. foreach(_target ${_dpf_plugin_TARGETS})
  204. if(_target STREQUAL "jack")
  205. dpf__build_jack("${NAME}" "${_dgl_has_ui}")
  206. elseif(_target STREQUAL "ladspa")
  207. dpf__build_ladspa("${NAME}")
  208. elseif(_target STREQUAL "dssi")
  209. dpf__build_dssi("${NAME}" "${_dgl_has_ui}")
  210. elseif(_target STREQUAL "lv2")
  211. dpf__build_lv2("${NAME}" "${_dgl_has_ui}" "${_dpf_plugin_MONOLITHIC}" "${_dpf_plugin_shared_crt}")
  212. elseif(_target STREQUAL "vst2")
  213. dpf__build_vst2("${NAME}" "${_dgl_has_ui}" "${_dpf_plugin_shared_crt}")
  214. elseif(_target STREQUAL "vst3")
  215. dpf__build_vst3("${NAME}" "${_dgl_has_ui}" "${_dpf_plugin_shared_crt}")
  216. elseif(_target STREQUAL "clap")
  217. dpf__build_clap("${NAME}" "${_dgl_has_ui}" "${_dpf_plugin_shared_crt}")
  218. elseif(_target STREQUAL "au")
  219. if (APPLE)
  220. dpf__build_au("${NAME}" "${_dgl_has_ui}")
  221. endif()
  222. elseif(_target STREQUAL "static")
  223. dpf__build_static("${NAME}" "${_dgl_has_ui}")
  224. else()
  225. message(FATAL_ERROR "Unrecognized target type for plugin: ${_target}")
  226. endif()
  227. endforeach()
  228. endfunction()
  229. # ------------------------------------------------------------------------------
  230. # DPF private functions (prefixed with `dpf__`)
  231. # ------------------------------------------------------------------------------
  232. # Note: The $<0:> trick is to prevent MSVC from appending the build type
  233. # to the output directory.
  234. #
  235. # dpf__build_jack
  236. # ------------------------------------------------------------------------------
  237. #
  238. # Add build rules for a JACK/Standalone program.
  239. #
  240. function(dpf__build_jack NAME HAS_UI)
  241. dpf__create_dummy_source_list(_no_srcs)
  242. dpf__add_executable("${NAME}-jack" ${_no_srcs})
  243. dpf__add_plugin_main("${NAME}-jack" "jack")
  244. dpf__add_ui_main("${NAME}-jack" "jack" "${HAS_UI}")
  245. target_link_libraries("${NAME}-jack" PRIVATE "${NAME}-dsp" "${NAME}-ui")
  246. set_target_properties("${NAME}-jack" PROPERTIES
  247. RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/$<0:>"
  248. OUTPUT_NAME "${NAME}")
  249. target_compile_definitions("${NAME}" PUBLIC "HAVE_JACK")
  250. target_compile_definitions("${NAME}-jack" PRIVATE "HAVE_GETTIMEOFDAY")
  251. find_package(PkgConfig)
  252. pkg_check_modules(SDL2 "sdl2")
  253. if(SDL2_FOUND)
  254. target_compile_definitions("${NAME}" PUBLIC "HAVE_SDL2")
  255. target_include_directories("${NAME}-jack" PRIVATE ${SDL2_STATIC_INCLUDE_DIRS})
  256. target_link_libraries("${NAME}-jack" PRIVATE ${SDL2_STATIC_LIBRARIES})
  257. dpf__target_link_directories("${NAME}-jack" "${SDL2_STATIC_LIBRARY_DIRS}")
  258. endif()
  259. if(APPLE OR WIN32)
  260. target_compile_definitions("${NAME}" PUBLIC "HAVE_RTAUDIO")
  261. else()
  262. find_package(Threads)
  263. pkg_check_modules(ALSA "alsa")
  264. pkg_check_modules(PULSEAUDIO "libpulse-simple")
  265. if(ALSA_FOUND)
  266. target_compile_definitions("${NAME}" PUBLIC "HAVE_ALSA")
  267. target_include_directories("${NAME}-jack" PRIVATE ${ALSA_INCLUDE_DIRS})
  268. target_link_libraries("${NAME}-jack" PRIVATE ${ALSA_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
  269. dpf__target_link_directories("${NAME}-jack" "${ALSA_LIBRARY_DIRS}")
  270. endif()
  271. if(PULSEAUDIO_FOUND)
  272. target_compile_definitions("${NAME}" PUBLIC "HAVE_PULSEAUDIO")
  273. target_include_directories("${NAME}-jack" PRIVATE ${PULSEAUDIO_INCLUDE_DIRS})
  274. target_link_libraries("${NAME}-jack" PRIVATE ${PULSEAUDIO_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
  275. dpf__target_link_directories("${NAME}-jack" "${PULSEAUDIO_LIBRARY_DIRS}")
  276. endif()
  277. if(ALSA_FOUND OR PULSEAUDIO_FOUND)
  278. target_compile_definitions("${NAME}" PUBLIC "HAVE_RTAUDIO")
  279. endif()
  280. endif()
  281. # for RtAudio native fallback
  282. if(APPLE)
  283. find_library(APPLE_COREAUDIO_FRAMEWORK "CoreAudio")
  284. find_library(APPLE_COREFOUNDATION_FRAMEWORK "CoreFoundation")
  285. find_library(APPLE_COREMIDI_FRAMEWORK "CoreMIDI")
  286. target_link_libraries("${NAME}-jack" PRIVATE
  287. "${APPLE_COREAUDIO_FRAMEWORK}"
  288. "${APPLE_COREFOUNDATION_FRAMEWORK}"
  289. "${APPLE_COREMIDI_FRAMEWORK}")
  290. elseif(WIN32)
  291. target_link_libraries("${NAME}-jack" PRIVATE "ksuser" "mfplat" "mfuuid" "ole32" "winmm" "wmcodecdspuuid")
  292. if(HAS_UI AND MINGW)
  293. set_target_properties("${NAME}-jack" PROPERTIES WIN32_EXECUTABLE TRUE)
  294. endif()
  295. endif()
  296. endfunction()
  297. # dpf__build_ladspa
  298. # ------------------------------------------------------------------------------
  299. #
  300. # Add build rules for a LADSPA plugin.
  301. #
  302. function(dpf__build_ladspa NAME)
  303. dpf__create_dummy_source_list(_no_srcs)
  304. dpf__add_module("${NAME}-ladspa" ${_no_srcs})
  305. dpf__add_plugin_main("${NAME}-ladspa" "ladspa")
  306. dpf__set_module_export_list("${NAME}-ladspa" "ladspa")
  307. target_link_libraries("${NAME}-ladspa" PRIVATE "${NAME}-dsp")
  308. set_target_properties("${NAME}-ladspa" PROPERTIES
  309. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/$<0:>"
  310. ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/obj/ladspa/$<0:>"
  311. OUTPUT_NAME "${NAME}-ladspa"
  312. PREFIX "")
  313. endfunction()
  314. # dpf__build_dssi
  315. # ------------------------------------------------------------------------------
  316. #
  317. # Add build rules for a DSSI plugin.
  318. #
  319. function(dpf__build_dssi NAME HAS_UI)
  320. find_package(PkgConfig)
  321. pkg_check_modules(LIBLO "liblo")
  322. if(NOT LIBLO_FOUND)
  323. dpf__warn_once_only(missing_liblo
  324. "liblo is not found, skipping the `dssi` plugin targets")
  325. return()
  326. endif()
  327. dpf__create_dummy_source_list(_no_srcs)
  328. dpf__add_module("${NAME}-dssi" ${_no_srcs})
  329. dpf__add_plugin_main("${NAME}-dssi" "dssi")
  330. dpf__set_module_export_list("${NAME}-dssi" "dssi")
  331. target_link_libraries("${NAME}-dssi" PRIVATE "${NAME}-dsp")
  332. set_target_properties("${NAME}-dssi" PROPERTIES
  333. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/$<0:>"
  334. ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/obj/dssi/$<0:>"
  335. OUTPUT_NAME "${NAME}-dssi"
  336. PREFIX "")
  337. if(HAS_UI)
  338. dpf__add_executable("${NAME}-dssi-ui" ${_no_srcs})
  339. dpf__add_ui_main("${NAME}-dssi-ui" "dssi" "${HAS_UI}")
  340. target_link_libraries("${NAME}-dssi-ui" PRIVATE "${NAME}-ui")
  341. set_target_properties("${NAME}-dssi-ui" PROPERTIES
  342. RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}-dssi/$<0:>"
  343. OUTPUT_NAME "${NAME}_ui")
  344. target_compile_definitions("${NAME}" PUBLIC "HAVE_LIBLO")
  345. target_include_directories("${NAME}-dssi-ui" PRIVATE ${LIBLO_INCLUDE_DIRS})
  346. target_link_libraries("${NAME}-dssi-ui" PRIVATE ${LIBLO_LIBRARIES})
  347. dpf__target_link_directories("${NAME}-dssi-ui" "${LIBLO_LIBRARY_DIRS}")
  348. endif()
  349. endfunction()
  350. # dpf__build_lv2
  351. # ------------------------------------------------------------------------------
  352. #
  353. # Add build rules for an LV2 plugin.
  354. #
  355. function(dpf__build_lv2 NAME HAS_UI MONOLITHIC EXTRA_UI_LINK_OPTS)
  356. dpf__create_dummy_source_list(_no_srcs)
  357. dpf__add_module("${NAME}-lv2" ${_no_srcs})
  358. dpf__add_plugin_main("${NAME}-lv2" "lv2")
  359. if(HAS_UI AND MONOLITHIC)
  360. dpf__set_module_export_list("${NAME}-lv2" "lv2")
  361. else()
  362. dpf__set_module_export_list("${NAME}-lv2" "lv2-dsp")
  363. endif()
  364. target_link_libraries("${NAME}-lv2" PRIVATE "${NAME}-dsp")
  365. set_target_properties("${NAME}-lv2" PROPERTIES
  366. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}.lv2/$<0:>"
  367. ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/obj/lv2/$<0:>"
  368. OUTPUT_NAME "${NAME}_dsp"
  369. PREFIX "")
  370. if(HAS_UI)
  371. if(MONOLITHIC)
  372. dpf__add_ui_main("${NAME}-lv2" "lv2" "${HAS_UI}")
  373. target_link_libraries("${NAME}-lv2" PRIVATE "${NAME}-ui")
  374. target_link_options("${NAME}-lv2" PRIVATE "${EXTRA_UI_LINK_OPTS}")
  375. set_target_properties("${NAME}-lv2" PROPERTIES
  376. OUTPUT_NAME "${NAME}")
  377. else()
  378. dpf__add_module("${NAME}-lv2-ui" ${_no_srcs})
  379. dpf__add_ui_main("${NAME}-lv2-ui" "lv2" "${HAS_UI}")
  380. dpf__set_module_export_list("${NAME}-lv2-ui" "lv2-ui")
  381. target_link_options("${NAME}-lv2-ui" PRIVATE "${EXTRA_UI_LINK_OPTS}")
  382. target_link_libraries("${NAME}-lv2-ui" PRIVATE "${NAME}-ui")
  383. set_target_properties("${NAME}-lv2-ui" PROPERTIES
  384. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}.lv2/$<0:>"
  385. ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/obj/lv2/$<0:>"
  386. OUTPUT_NAME "${NAME}_ui"
  387. PREFIX "")
  388. endif()
  389. endif()
  390. dpf__add_lv2_ttl_generator()
  391. add_dependencies("${NAME}-lv2" lv2_ttl_generator)
  392. separate_arguments(CMAKE_CROSSCOMPILING_EMULATOR)
  393. add_custom_command(TARGET "${NAME}-lv2" POST_BUILD
  394. COMMAND
  395. ${CMAKE_CROSSCOMPILING_EMULATOR}
  396. "$<TARGET_FILE:lv2_ttl_generator>"
  397. "$<TARGET_FILE:${NAME}-lv2>"
  398. WORKING_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}.lv2"
  399. DEPENDS lv2_ttl_generator)
  400. endfunction()
  401. # dpf__build_vst2
  402. # ------------------------------------------------------------------------------
  403. #
  404. # Add build rules for a VST2 plugin.
  405. #
  406. function(dpf__build_vst2 NAME HAS_UI EXTRA_UI_LINK_OPTS)
  407. dpf__create_dummy_source_list(_no_srcs)
  408. dpf__add_module("${NAME}-vst2" ${_no_srcs})
  409. dpf__add_plugin_main("${NAME}-vst2" "vst2")
  410. dpf__add_ui_main("${NAME}-vst2" "vst2" "${HAS_UI}")
  411. dpf__set_module_export_list("${NAME}-vst2" "vst2")
  412. target_link_libraries("${NAME}-vst2" PRIVATE "${NAME}-dsp" "${NAME}-ui")
  413. target_link_options("${NAME}-vst2" PRIVATE "${EXTRA_UI_LINK_OPTS}")
  414. set_target_properties("${NAME}-vst2" PROPERTIES
  415. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/$<0:>"
  416. ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/obj/vst2/$<0:>"
  417. OUTPUT_NAME "${NAME}-vst2"
  418. PREFIX "")
  419. if(APPLE)
  420. set_target_properties("${NAME}-vst2" PROPERTIES
  421. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}.vst/Contents/MacOS/$<0:>"
  422. OUTPUT_NAME "${NAME}"
  423. SUFFIX "")
  424. set(INFO_PLIST_PROJECT_NAME "${NAME}")
  425. configure_file("${DPF_ROOT_DIR}/utils/plugin.bundle/Contents/Info.plist"
  426. "${PROJECT_BINARY_DIR}/bin/${NAME}.vst/Contents/Info.plist" @ONLY)
  427. file(COPY "${DPF_ROOT_DIR}/utils/plugin.bundle/Contents/PkgInfo"
  428. DESTINATION "${PROJECT_BINARY_DIR}/bin/${NAME}.vst/Contents")
  429. endif()
  430. endfunction()
  431. # dpf__determine_vst3_package_architecture
  432. # ------------------------------------------------------------------------------
  433. #
  434. # Determines the package architecture for a VST3 plugin target.
  435. #
  436. function(dpf__determine_vst3_package_architecture OUTPUT_VARIABLE)
  437. # if set by variable, override the detection
  438. if(DPF_VST3_ARCHITECTURE)
  439. set("${OUTPUT_VARIABLE}" "${DPF_VST3_ARCHITECTURE}" PARENT_SCOPE)
  440. return()
  441. endif()
  442. # not used on Apple, which supports universal binary
  443. if(APPLE)
  444. set("${OUTPUT_VARIABLE}" "universal" PARENT_SCOPE)
  445. return()
  446. endif()
  447. # identify the target processor (special case of MSVC, problematic sometimes)
  448. if(MSVC)
  449. set(vst3_system_arch "${MSVC_CXX_ARCHITECTURE_ID}")
  450. else()
  451. set(vst3_system_arch "${CMAKE_SYSTEM_PROCESSOR}")
  452. endif()
  453. # transform the processor name to a format that VST3 recognizes
  454. if(vst3_system_arch MATCHES "^(x86_64|amd64|AMD64|x64|X64)$")
  455. set(vst3_package_arch "x86_64")
  456. elseif(vst3_system_arch MATCHES "^(i.86|x86|X86)$")
  457. if(WIN32)
  458. set(vst3_package_arch "x86")
  459. else()
  460. set(vst3_package_arch "i386")
  461. endif()
  462. elseif(vst3_system_arch MATCHES "^(armv[3-9][a-z]*|aarch64|loongarch64|ppc(64)?(le)?)$")
  463. set(vst3_package_arch "${vst3_system_arch}")
  464. else()
  465. message(FATAL_ERROR "We don't know this architecture for VST3: ${vst3_system_arch}.")
  466. endif()
  467. # TODO: the detections for Windows arm/arm64 when supported
  468. set("${OUTPUT_VARIABLE}" "${vst3_package_arch}" PARENT_SCOPE)
  469. endfunction()
  470. # dpf__build_vst3
  471. # ------------------------------------------------------------------------------
  472. #
  473. # Add build rules for a VST3 plugin.
  474. #
  475. function(dpf__build_vst3 NAME HAS_UI EXTRA_UI_LINK_OPTS)
  476. dpf__determine_vst3_package_architecture(vst3_arch)
  477. dpf__create_dummy_source_list(_no_srcs)
  478. dpf__add_module("${NAME}-vst3" ${_no_srcs})
  479. dpf__add_plugin_main("${NAME}-vst3" "vst3")
  480. dpf__add_ui_main("${NAME}-vst3" "vst3" "${HAS_UI}")
  481. dpf__set_module_export_list("${NAME}-vst3" "vst3")
  482. target_link_libraries("${NAME}-vst3" PRIVATE "${NAME}-dsp" "${NAME}-ui")
  483. target_link_options("${NAME}-vst3" PRIVATE "${EXTRA_UI_LINK_OPTS}")
  484. set_target_properties("${NAME}-vst3" PROPERTIES
  485. ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/obj/vst3/$<0:>"
  486. OUTPUT_NAME "${NAME}"
  487. PREFIX "")
  488. if(APPLE)
  489. set_target_properties("${NAME}-vst3" PROPERTIES
  490. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}.vst3/Contents/MacOS/$<0:>"
  491. SUFFIX "")
  492. elseif(WIN32)
  493. set_target_properties("${NAME}-vst3" PROPERTIES
  494. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}.vst3/Contents/${vst3_arch}-win/$<0:>" SUFFIX ".vst3")
  495. else()
  496. set_target_properties("${NAME}-vst3" PROPERTIES
  497. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}.vst3/Contents/${vst3_arch}-linux/$<0:>")
  498. endif()
  499. if(APPLE)
  500. # Uses the same macOS bundle template as VST2
  501. set(INFO_PLIST_PROJECT_NAME "${NAME}")
  502. configure_file("${DPF_ROOT_DIR}/utils/plugin.bundle/Contents/Info.plist"
  503. "${PROJECT_BINARY_DIR}/bin/${NAME}.vst3/Contents/Info.plist" @ONLY)
  504. file(COPY "${DPF_ROOT_DIR}/utils/plugin.bundle/Contents/PkgInfo"
  505. DESTINATION "${PROJECT_BINARY_DIR}/bin/${NAME}.vst3/Contents")
  506. endif()
  507. endfunction()
  508. # dpf__build_clap
  509. # ------------------------------------------------------------------------------
  510. #
  511. # Add build rules for a CLAP plugin.
  512. #
  513. function(dpf__build_clap NAME HAS_UI EXTRA_UI_LINK_OPTS)
  514. dpf__create_dummy_source_list(_no_srcs)
  515. dpf__add_module("${NAME}-clap" ${_no_srcs})
  516. dpf__add_plugin_main("${NAME}-clap" "clap")
  517. dpf__add_ui_main("${NAME}-clap" "clap" "${HAS_UI}")
  518. dpf__set_module_export_list("${NAME}-clap" "clap")
  519. target_link_libraries("${NAME}-clap" PRIVATE "${NAME}-dsp" "${NAME}-ui")
  520. target_link_options("${NAME}-clap" PRIVATE "${EXTRA_UI_LINK_OPTS}")
  521. set_target_properties("${NAME}-clap" PROPERTIES
  522. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/$<0:>"
  523. ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/obj/clap/$<0:>"
  524. OUTPUT_NAME "${NAME}"
  525. PREFIX ""
  526. SUFFIX ".clap")
  527. if(APPLE)
  528. set_target_properties("${NAME}-clap" PROPERTIES
  529. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}.clap/Contents/MacOS/$<0:>"
  530. OUTPUT_NAME "${NAME}"
  531. SUFFIX "")
  532. set(INFO_PLIST_PROJECT_NAME "${NAME}")
  533. configure_file("${DPF_ROOT_DIR}/utils/plugin.bundle/Contents/Info.plist"
  534. "${PROJECT_BINARY_DIR}/bin/${NAME}.clap/Contents/Info.plist" @ONLY)
  535. file(COPY "${DPF_ROOT_DIR}/utils/plugin.bundle/Contents/PkgInfo"
  536. DESTINATION "${PROJECT_BINARY_DIR}/bin/${NAME}.clap/Contents")
  537. endif()
  538. endfunction()
  539. # dpf__build_au
  540. # ------------------------------------------------------------------------------
  541. #
  542. # Add build rules for an AUv2 plugin.
  543. #
  544. function(dpf__build_au NAME HAS_UI)
  545. dpf__create_dummy_source_list(_no_srcs)
  546. dpf__add_module("${NAME}-au" ${_no_srcs})
  547. dpf__add_plugin_main("${NAME}-au" "au")
  548. dpf__add_ui_main("${NAME}-au" "au" "${HAS_UI}")
  549. dpf__set_module_export_list("${NAME}-au" "au")
  550. find_library(APPLE_AUDIOTOOLBOX_FRAMEWORK "AudioToolbox")
  551. find_library(APPLE_AUDIOUNIT_FRAMEWORK "AudioUnit")
  552. find_library(APPLE_COREFOUNDATION_FRAMEWORK "CoreFoundation")
  553. target_compile_options("${NAME}-au" PRIVATE "-ObjC++")
  554. target_link_libraries("${NAME}-au" PRIVATE
  555. "${NAME}-dsp"
  556. "${NAME}-ui"
  557. "${APPLE_AUDIOTOOLBOX_FRAMEWORK}"
  558. "${APPLE_AUDIOUNIT_FRAMEWORK}"
  559. "${APPLE_COREFOUNDATION_FRAMEWORK}")
  560. set_target_properties("${NAME}-au" PROPERTIES
  561. LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}.component/Contents/MacOS/$<0:>"
  562. ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/obj/au/$<0:>"
  563. OUTPUT_NAME "${NAME}"
  564. PREFIX ""
  565. SUFFIX "")
  566. dpf__add_executable("${NAME}-export" ${_no_srcs})
  567. dpf__add_plugin_main("${NAME}-export" "export")
  568. dpf__add_ui_main("${NAME}-export" "export" "${HAS_UI}")
  569. target_link_libraries("${NAME}-export" PRIVATE "${NAME}-dsp" "${NAME}-ui")
  570. separate_arguments(CMAKE_CROSSCOMPILING_EMULATOR)
  571. add_custom_command(TARGET "${NAME}-au" POST_BUILD
  572. COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} "$<TARGET_FILE:${NAME}-export>" "${NAME}"
  573. WORKING_DIRECTORY "${PROJECT_BINARY_DIR}/bin/${NAME}.component/Contents"
  574. DEPENDS "${NAME}-export")
  575. add_dependencies("${NAME}-au" "${NAME}-export")
  576. file(COPY "${DPF_ROOT_DIR}/utils/plugin.bundle/Contents/PkgInfo"
  577. DESTINATION "${PROJECT_BINARY_DIR}/bin/${NAME}.component/Contents")
  578. endfunction()
  579. # dpf__build_static
  580. # ------------------------------------------------------------------------------
  581. #
  582. # Add build rules for a static library.
  583. #
  584. function(dpf__build_static NAME HAS_UI)
  585. dpf__create_dummy_source_list(_no_srcs)
  586. dpf__add_module("${NAME}-static" ${_no_srcs} STATIC)
  587. dpf__add_plugin_main("${NAME}-static" "static")
  588. dpf__add_ui_main("${NAME}-static" "static" "${HAS_UI}")
  589. target_link_libraries("${NAME}-static" PRIVATE "${NAME}-dsp" "${NAME}-ui")
  590. get_target_property(dsp_srcs "${NAME}-dsp" SOURCES)
  591. get_target_property(ui_srcs "${NAME}-ui" SOURCES)
  592. foreach(src ${dsp_srcs})
  593. target_sources("${NAME}-static" PRIVATE ${src})
  594. endforeach()
  595. foreach(src ${ui_srcs})
  596. target_sources("${NAME}-static" PRIVATE ${src})
  597. endforeach()
  598. set_target_properties("${NAME}-static" PROPERTIES
  599. ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin/$<0:>"
  600. OUTPUT_NAME "${NAME}"
  601. PREFIX "")
  602. endfunction()
  603. # dpf__add_dgl_cairo
  604. # ------------------------------------------------------------------------------
  605. #
  606. # Add the Cairo variant of DGL, if not already available.
  607. #
  608. function(dpf__add_dgl_cairo SHARED_RESOURCES USE_FILE_BROWSER USE_WEB_VIEW)
  609. if(TARGET dgl-cairo)
  610. return()
  611. endif()
  612. find_package(PkgConfig)
  613. pkg_check_modules(CAIRO "cairo" REQUIRED)
  614. link_directories(${CAIRO_LIBRARY_DIRS})
  615. dpf__add_static_library(dgl-cairo STATIC
  616. "${DPF_ROOT_DIR}/dgl/src/Application.cpp"
  617. "${DPF_ROOT_DIR}/dgl/src/ApplicationPrivateData.cpp"
  618. "${DPF_ROOT_DIR}/dgl/src/Color.cpp"
  619. "${DPF_ROOT_DIR}/dgl/src/EventHandlers.cpp"
  620. "${DPF_ROOT_DIR}/dgl/src/Geometry.cpp"
  621. "${DPF_ROOT_DIR}/dgl/src/ImageBase.cpp"
  622. "${DPF_ROOT_DIR}/dgl/src/ImageBaseWidgets.cpp"
  623. "${DPF_ROOT_DIR}/dgl/src/Layout.cpp"
  624. "${DPF_ROOT_DIR}/dgl/src/SubWidget.cpp"
  625. "${DPF_ROOT_DIR}/dgl/src/SubWidgetPrivateData.cpp"
  626. "${DPF_ROOT_DIR}/dgl/src/TopLevelWidget.cpp"
  627. "${DPF_ROOT_DIR}/dgl/src/TopLevelWidgetPrivateData.cpp"
  628. "${DPF_ROOT_DIR}/dgl/src/Widget.cpp"
  629. "${DPF_ROOT_DIR}/dgl/src/WidgetPrivateData.cpp"
  630. "${DPF_ROOT_DIR}/dgl/src/Window.cpp"
  631. "${DPF_ROOT_DIR}/dgl/src/WindowPrivateData.cpp"
  632. "${DPF_ROOT_DIR}/dgl/src/Cairo.cpp")
  633. if(SHARED_RESOURCES)
  634. target_sources(dgl-cairo PRIVATE "${DPF_ROOT_DIR}/dgl/src/Resources.cpp")
  635. else()
  636. target_compile_definitions(dgl-cairo PUBLIC "DGL_NO_SHARED_RESOURCES")
  637. endif()
  638. if(APPLE)
  639. target_sources(dgl-cairo PRIVATE
  640. "${DPF_ROOT_DIR}/dgl/src/pugl.mm")
  641. else()
  642. target_sources(dgl-cairo PRIVATE
  643. "${DPF_ROOT_DIR}/dgl/src/pugl.cpp")
  644. endif()
  645. target_include_directories(dgl-cairo PUBLIC
  646. "${DPF_ROOT_DIR}/dgl")
  647. target_include_directories(dgl-cairo PUBLIC
  648. "${DPF_ROOT_DIR}/dgl/src/pugl-upstream/include")
  649. if(USE_FILE_BROWSER)
  650. target_compile_definitions(dgl-cairo PUBLIC "DGL_USE_FILE_BROWSER")
  651. endif()
  652. if(USE_WEB_VIEW)
  653. target_compile_definitions(dgl-cairo PUBLIC "DGL_USE_FILE_BROWSER")
  654. if(APPLE)
  655. find_library(APPLE_WEBKIT_FRAMEWORK "WebKit")
  656. target_link_libraries(dgl-cairo PRIVATE "${APPLE_WEBKIT_FRAMEWORK}")
  657. elseif(WIN32)
  658. target_sources(dgl-cairo PRIVATE
  659. "${DPF_ROOT_DIR}/dgl/src/WebViewWin32.cpp")
  660. set_source_files_properties("${DPF_ROOT_DIR}/dgl/src/WebViewWin32.cpp"
  661. PROPERTIES
  662. COMPILE_FLAGS
  663. $<IF:$<BOOL:${MSVC}>,/std:c++17,-std=gnu++17>)
  664. endif()
  665. endif()
  666. dpf__add_dgl_system_libs()
  667. target_link_libraries(dgl-cairo PRIVATE dgl-system-libs)
  668. add_library(dgl-cairo-definitions INTERFACE)
  669. target_compile_definitions(dgl-cairo-definitions INTERFACE "DGL_CAIRO" "HAVE_CAIRO" "HAVE_DGL")
  670. target_include_directories(dgl-cairo PUBLIC ${CAIRO_INCLUDE_DIRS})
  671. if(MINGW)
  672. target_link_libraries(dgl-cairo PRIVATE ${CAIRO_STATIC_LIBRARIES})
  673. else()
  674. target_link_libraries(dgl-cairo PRIVATE ${CAIRO_LIBRARIES})
  675. endif()
  676. target_link_libraries(dgl-cairo PRIVATE dgl-cairo-definitions)
  677. endfunction()
  678. # dpf__add_dgl_external
  679. # ------------------------------------------------------------------------------
  680. #
  681. # Add the external variant of DGL, if not already available.
  682. #
  683. function(dpf__add_dgl_external USE_FILE_BROWSER USE_WEB_VIEW)
  684. if(TARGET dgl-external)
  685. return()
  686. endif()
  687. dpf__add_static_library(dgl-external STATIC
  688. "${DPF_ROOT_DIR}/dgl/src/Application.cpp"
  689. "${DPF_ROOT_DIR}/dgl/src/ApplicationPrivateData.cpp"
  690. "${DPF_ROOT_DIR}/dgl/src/Color.cpp"
  691. "${DPF_ROOT_DIR}/dgl/src/EventHandlers.cpp"
  692. "${DPF_ROOT_DIR}/dgl/src/Geometry.cpp"
  693. "${DPF_ROOT_DIR}/dgl/src/ImageBase.cpp"
  694. "${DPF_ROOT_DIR}/dgl/src/ImageBaseWidgets.cpp"
  695. "${DPF_ROOT_DIR}/dgl/src/Layout.cpp"
  696. "${DPF_ROOT_DIR}/dgl/src/SubWidget.cpp"
  697. "${DPF_ROOT_DIR}/dgl/src/SubWidgetPrivateData.cpp"
  698. "${DPF_ROOT_DIR}/dgl/src/TopLevelWidget.cpp"
  699. "${DPF_ROOT_DIR}/dgl/src/TopLevelWidgetPrivateData.cpp"
  700. "${DPF_ROOT_DIR}/dgl/src/Widget.cpp"
  701. "${DPF_ROOT_DIR}/dgl/src/WidgetPrivateData.cpp"
  702. "${DPF_ROOT_DIR}/dgl/src/Window.cpp"
  703. "${DPF_ROOT_DIR}/dgl/src/WindowPrivateData.cpp"
  704. "${DPF_ROOT_DIR}/dgl/src/Stub.cpp")
  705. if(APPLE)
  706. target_sources(dgl-external PRIVATE
  707. "${DPF_ROOT_DIR}/dgl/src/pugl.mm")
  708. else()
  709. target_sources(dgl-external PRIVATE
  710. "${DPF_ROOT_DIR}/dgl/src/pugl.cpp")
  711. endif()
  712. target_include_directories(dgl-external PUBLIC
  713. "${DPF_ROOT_DIR}/dgl")
  714. target_include_directories(dgl-external PUBLIC
  715. "${DPF_ROOT_DIR}/dgl/src/pugl-upstream/include")
  716. if(USE_FILE_BROWSER)
  717. target_compile_definitions(dgl-external PUBLIC "DGL_USE_FILE_BROWSER")
  718. endif()
  719. if(USE_WEB_VIEW)
  720. target_compile_definitions(dgl-external PUBLIC "DGL_USE_WEB_VIEW")
  721. if(APPLE)
  722. find_library(APPLE_WEBKIT_FRAMEWORK "WebKit")
  723. target_link_libraries(dgl-external PRIVATE "${APPLE_WEBKIT_FRAMEWORK}")
  724. elseif(WIN32)
  725. target_sources(dgl-external PRIVATE
  726. "${DPF_ROOT_DIR}/dgl/src/WebViewWin32.cpp")
  727. set_source_files_properties("${DPF_ROOT_DIR}/dgl/src/WebViewWin32.cpp"
  728. PROPERTIES
  729. COMPILE_FLAGS
  730. $<IF:$<BOOL:${MSVC}>,/std:c++17,-std=gnu++17>)
  731. endif()
  732. endif()
  733. dpf__add_dgl_system_libs()
  734. target_compile_definitions(dgl-external PUBLIC "DGL_NO_SHARED_RESOURCES")
  735. target_link_libraries(dgl-external PRIVATE dgl-system-libs)
  736. add_library(dgl-external-definitions INTERFACE)
  737. target_compile_definitions(dgl-external-definitions INTERFACE "DGL_EXTERNAL" "HAVE_DGL")
  738. target_include_directories(dgl-external PUBLIC "${OPENGL_INCLUDE_DIR}")
  739. target_link_libraries(dgl-external PRIVATE dgl-external-definitions "${OPENGL_gl_LIBRARY}")
  740. endfunction()
  741. # dpf__add_dgl_opengl
  742. # ------------------------------------------------------------------------------
  743. #
  744. # Add the OpenGL variant of DGL, if not already available.
  745. #
  746. function(dpf__add_dgl_opengl SHARED_RESOURCES USE_FILE_BROWSER USE_WEB_VIEW)
  747. if(TARGET dgl-opengl)
  748. return()
  749. endif()
  750. if(NOT OpenGL_GL_PREFERENCE)
  751. set(OpenGL_GL_PREFERENCE "LEGACY")
  752. endif()
  753. find_package(OpenGL REQUIRED)
  754. dpf__add_static_library(dgl-opengl STATIC
  755. "${DPF_ROOT_DIR}/dgl/src/Application.cpp"
  756. "${DPF_ROOT_DIR}/dgl/src/ApplicationPrivateData.cpp"
  757. "${DPF_ROOT_DIR}/dgl/src/Color.cpp"
  758. "${DPF_ROOT_DIR}/dgl/src/EventHandlers.cpp"
  759. "${DPF_ROOT_DIR}/dgl/src/Geometry.cpp"
  760. "${DPF_ROOT_DIR}/dgl/src/ImageBase.cpp"
  761. "${DPF_ROOT_DIR}/dgl/src/ImageBaseWidgets.cpp"
  762. "${DPF_ROOT_DIR}/dgl/src/Layout.cpp"
  763. "${DPF_ROOT_DIR}/dgl/src/SubWidget.cpp"
  764. "${DPF_ROOT_DIR}/dgl/src/SubWidgetPrivateData.cpp"
  765. "${DPF_ROOT_DIR}/dgl/src/TopLevelWidget.cpp"
  766. "${DPF_ROOT_DIR}/dgl/src/TopLevelWidgetPrivateData.cpp"
  767. "${DPF_ROOT_DIR}/dgl/src/Widget.cpp"
  768. "${DPF_ROOT_DIR}/dgl/src/WidgetPrivateData.cpp"
  769. "${DPF_ROOT_DIR}/dgl/src/Window.cpp"
  770. "${DPF_ROOT_DIR}/dgl/src/WindowPrivateData.cpp"
  771. "${DPF_ROOT_DIR}/dgl/src/OpenGL.cpp"
  772. "${DPF_ROOT_DIR}/dgl/src/NanoVG.cpp")
  773. if(SHARED_RESOURCES)
  774. target_sources(dgl-opengl PRIVATE "${DPF_ROOT_DIR}/dgl/src/Resources.cpp")
  775. else()
  776. target_compile_definitions(dgl-opengl PUBLIC "DGL_NO_SHARED_RESOURCES")
  777. endif()
  778. if(APPLE)
  779. target_sources(dgl-opengl PRIVATE
  780. "${DPF_ROOT_DIR}/dgl/src/pugl.mm")
  781. else()
  782. target_sources(dgl-opengl PRIVATE
  783. "${DPF_ROOT_DIR}/dgl/src/pugl.cpp")
  784. endif()
  785. target_include_directories(dgl-opengl PUBLIC
  786. "${DPF_ROOT_DIR}/dgl")
  787. target_include_directories(dgl-opengl PUBLIC
  788. "${DPF_ROOT_DIR}/dgl/src/pugl-upstream/include")
  789. if(APPLE)
  790. target_compile_definitions(dgl-opengl PUBLIC "GL_SILENCE_DEPRECATION")
  791. endif()
  792. if(USE_FILE_BROWSER)
  793. target_compile_definitions(dgl-opengl PUBLIC "DGL_USE_FILE_BROWSER")
  794. endif()
  795. if(USE_WEB_VIEW)
  796. target_compile_definitions(dgl-opengl PUBLIC "DGL_USE_WEB_VIEW")
  797. if(APPLE)
  798. find_library(APPLE_WEBKIT_FRAMEWORK "WebKit")
  799. target_link_libraries(dgl-opengl PRIVATE "${APPLE_WEBKIT_FRAMEWORK}")
  800. elseif(WIN32)
  801. target_sources(dgl-opengl PRIVATE
  802. "${DPF_ROOT_DIR}/dgl/src/WebViewWin32.cpp")
  803. set_source_files_properties("${DPF_ROOT_DIR}/dgl/src/WebViewWin32.cpp"
  804. PROPERTIES
  805. COMPILE_FLAGS
  806. $<IF:$<BOOL:${MSVC}>,/std:c++17,-std=gnu++17>)
  807. endif()
  808. endif()
  809. dpf__add_dgl_system_libs()
  810. target_link_libraries(dgl-opengl PRIVATE dgl-system-libs)
  811. add_library(dgl-opengl-definitions INTERFACE)
  812. target_compile_definitions(dgl-opengl-definitions INTERFACE "DGL_OPENGL" "HAVE_OPENGL" "HAVE_DGL")
  813. target_include_directories(dgl-opengl PUBLIC "${OPENGL_INCLUDE_DIR}")
  814. target_link_libraries(dgl-opengl PRIVATE dgl-opengl-definitions "${OPENGL_gl_LIBRARY}")
  815. endfunction()
  816. # dpf__add_dgl_opengl3
  817. # ------------------------------------------------------------------------------
  818. #
  819. # Add the OpenGL3 variant of DGL, if not already available.
  820. #
  821. function(dpf__add_dgl_opengl3 SHARED_RESOURCES USE_FILE_BROWSER USE_WEB_VIEW)
  822. if(TARGET dgl-opengl3)
  823. return()
  824. endif()
  825. if(NOT OpenGL_GL_PREFERENCE)
  826. set(OpenGL_GL_PREFERENCE "LEGACY")
  827. endif()
  828. find_package(OpenGL REQUIRED)
  829. dpf__add_static_library(dgl-opengl3 STATIC
  830. "${DPF_ROOT_DIR}/dgl/src/Application.cpp"
  831. "${DPF_ROOT_DIR}/dgl/src/ApplicationPrivateData.cpp"
  832. "${DPF_ROOT_DIR}/dgl/src/Color.cpp"
  833. "${DPF_ROOT_DIR}/dgl/src/EventHandlers.cpp"
  834. "${DPF_ROOT_DIR}/dgl/src/Geometry.cpp"
  835. "${DPF_ROOT_DIR}/dgl/src/ImageBase.cpp"
  836. "${DPF_ROOT_DIR}/dgl/src/ImageBaseWidgets.cpp"
  837. "${DPF_ROOT_DIR}/dgl/src/Layout.cpp"
  838. "${DPF_ROOT_DIR}/dgl/src/SubWidget.cpp"
  839. "${DPF_ROOT_DIR}/dgl/src/SubWidgetPrivateData.cpp"
  840. "${DPF_ROOT_DIR}/dgl/src/TopLevelWidget.cpp"
  841. "${DPF_ROOT_DIR}/dgl/src/TopLevelWidgetPrivateData.cpp"
  842. "${DPF_ROOT_DIR}/dgl/src/Widget.cpp"
  843. "${DPF_ROOT_DIR}/dgl/src/WidgetPrivateData.cpp"
  844. "${DPF_ROOT_DIR}/dgl/src/Window.cpp"
  845. "${DPF_ROOT_DIR}/dgl/src/WindowPrivateData.cpp"
  846. "${DPF_ROOT_DIR}/dgl/src/OpenGL.cpp"
  847. "${DPF_ROOT_DIR}/dgl/src/NanoVG.cpp")
  848. if(SHARED_RESOURCES)
  849. target_sources(dgl-opengl3 PRIVATE "${DPF_ROOT_DIR}/dgl/src/Resources.cpp")
  850. else()
  851. target_compile_definitions(dgl-opengl3 PUBLIC "DGL_NO_SHARED_RESOURCES")
  852. endif()
  853. if(APPLE)
  854. target_sources(dgl-opengl3 PRIVATE
  855. "${DPF_ROOT_DIR}/dgl/src/pugl.mm")
  856. else()
  857. target_sources(dgl-opengl3 PRIVATE
  858. "${DPF_ROOT_DIR}/dgl/src/pugl.cpp")
  859. endif()
  860. target_include_directories(dgl-opengl3 PUBLIC
  861. "${DPF_ROOT_DIR}/dgl")
  862. target_include_directories(dgl-opengl3 PUBLIC
  863. "${DPF_ROOT_DIR}/dgl/src/pugl-upstream/include")
  864. if(APPLE)
  865. target_compile_definitions(dgl-opengl3 PUBLIC "GL_SILENCE_DEPRECATION")
  866. endif()
  867. if(USE_FILE_BROWSER)
  868. target_compile_definitions(dgl-opengl3 PUBLIC "DGL_USE_FILE_BROWSER")
  869. endif()
  870. if(USE_WEB_VIEW)
  871. target_compile_definitions(dgl-opengl3 PUBLIC "DGL_USE_WEB_VIEW")
  872. if(APPLE)
  873. find_library(APPLE_WEBKIT_FRAMEWORK "WebKit")
  874. target_link_libraries(dgl-opengl3 PRIVATE "${APPLE_WEBKIT_FRAMEWORK}")
  875. elseif(WIN32)
  876. target_sources(dgl-opengl3 PRIVATE
  877. "${DPF_ROOT_DIR}/dgl/src/WebViewWin32.cpp")
  878. set_source_files_properties("${DPF_ROOT_DIR}/dgl/src/WebViewWin32.cpp"
  879. PROPERTIES
  880. COMPILE_FLAGS
  881. $<IF:$<BOOL:${MSVC}>,/std:c++17,-std=gnu++17>)
  882. endif()
  883. endif()
  884. dpf__add_dgl_system_libs()
  885. target_link_libraries(dgl-opengl3 PRIVATE dgl-system-libs)
  886. add_library(dgl-opengl3-definitions INTERFACE)
  887. target_compile_definitions(dgl-opengl3-definitions INTERFACE "DGL_USE_OPENGL3" "DGL_OPENGL" "HAVE_OPENGL" "HAVE_DGL")
  888. target_include_directories(dgl-opengl3 PUBLIC "${OPENGL_INCLUDE_DIR}")
  889. target_link_libraries(dgl-opengl3 PRIVATE dgl-opengl3-definitions "${OPENGL_gl_LIBRARY}")
  890. endfunction()
  891. # dpf__add_dgl_vulkan
  892. # ------------------------------------------------------------------------------
  893. #
  894. # Add the Vulkan variant of DGL, if not already available.
  895. #
  896. function(dpf__add_dgl_vulkan SHARED_RESOURCES USE_FILE_BROWSER USE_WEB_VIEW)
  897. if(TARGET dgl-vulkan)
  898. return()
  899. endif()
  900. find_package(Vulkan REQUIRED)
  901. dpf__add_static_library(dgl-vulkan STATIC
  902. "${DPF_ROOT_DIR}/dgl/src/Application.cpp"
  903. "${DPF_ROOT_DIR}/dgl/src/ApplicationPrivateData.cpp"
  904. "${DPF_ROOT_DIR}/dgl/src/Color.cpp"
  905. "${DPF_ROOT_DIR}/dgl/src/EventHandlers.cpp"
  906. "${DPF_ROOT_DIR}/dgl/src/Geometry.cpp"
  907. "${DPF_ROOT_DIR}/dgl/src/ImageBase.cpp"
  908. "${DPF_ROOT_DIR}/dgl/src/ImageBaseWidgets.cpp"
  909. "${DPF_ROOT_DIR}/dgl/src/Layout.cpp"
  910. "${DPF_ROOT_DIR}/dgl/src/SubWidget.cpp"
  911. "${DPF_ROOT_DIR}/dgl/src/SubWidgetPrivateData.cpp"
  912. "${DPF_ROOT_DIR}/dgl/src/TopLevelWidget.cpp"
  913. "${DPF_ROOT_DIR}/dgl/src/TopLevelWidgetPrivateData.cpp"
  914. "${DPF_ROOT_DIR}/dgl/src/Widget.cpp"
  915. "${DPF_ROOT_DIR}/dgl/src/WidgetPrivateData.cpp"
  916. "${DPF_ROOT_DIR}/dgl/src/Window.cpp"
  917. "${DPF_ROOT_DIR}/dgl/src/WindowPrivateData.cpp"
  918. "${DPF_ROOT_DIR}/dgl/src/Vulkan.cpp")
  919. if(NO_SHARED_RESOURCES)
  920. target_sources(dgl-vulkan PRIVATE "${DPF_ROOT_DIR}/dgl/src/Resources.cpp")
  921. else()
  922. target_compile_definitions(dgl-vulkan PUBLIC "DGL_NO_SHARED_RESOURCES")
  923. endif()
  924. if(APPLE)
  925. target_sources(dgl-vulkan PRIVATE
  926. "${DPF_ROOT_DIR}/dgl/src/pugl.mm")
  927. else()
  928. target_sources(dgl-vulkan PRIVATE
  929. "${DPF_ROOT_DIR}/dgl/src/pugl.cpp")
  930. endif()
  931. target_include_directories(dgl-vulkan PUBLIC
  932. "${DPF_ROOT_DIR}/dgl")
  933. target_include_directories(dgl-vulkan PUBLIC
  934. "${DPF_ROOT_DIR}/dgl/src/pugl-upstream/include")
  935. if(APPLE)
  936. target_compile_definitions(dgl-vulkan PUBLIC "GL_SILENCE_DEPRECATION")
  937. endif()
  938. if(USE_FILE_BROWSER)
  939. target_compile_definitions(dgl-vulkan PUBLIC "DGL_USE_FILE_BROWSER")
  940. endif()
  941. if(USE_WEB_VIEW)
  942. target_compile_definitions(dgl-vulkan PUBLIC "DGL_USE_WEB_VIEW")
  943. if(APPLE)
  944. find_library(APPLE_WEBKIT_FRAMEWORK "WebKit")
  945. target_link_libraries(dgl-vulkan PRIVATE "${APPLE_WEBKIT_FRAMEWORK}")
  946. elseif(WIN32)
  947. target_sources(dgl-vulkan PRIVATE
  948. "${DPF_ROOT_DIR}/dgl/src/WebViewWin32.cpp")
  949. set_source_files_properties("${DPF_ROOT_DIR}/dgl/src/WebViewWin32.cpp"
  950. PROPERTIES
  951. COMPILE_FLAGS
  952. $<IF:$<BOOL:${MSVC}>,/std:c++17,-std=gnu++17>)
  953. endif()
  954. endif()
  955. dpf__add_dgl_system_libs()
  956. target_link_libraries(dgl-vulkan PRIVATE dgl-system-libs)
  957. add_library(dgl-vulkan-definitions INTERFACE)
  958. target_compile_definitions(dgl-vulkan-definitions INTERFACE "DGL_VULKAN" "HAVE_VULKAN" "HAVE_DGL")
  959. target_include_directories(dgl-vulkan PUBLIC "${OPENGL_INCLUDE_DIR}")
  960. target_link_libraries(dgl-vulkan PRIVATE dgl-vulkan-definitions "${OPENGL_gl_LIBRARY}")
  961. endfunction()
  962. # dpf__add_plugin_specific_ui_sources
  963. # ------------------------------------------------------------------------------
  964. #
  965. # Compile system specific files
  966. #
  967. function(dpf__add_plugin_specific_ui_sources NAME USE_WEB_VIEW)
  968. if(APPLE)
  969. target_sources("${NAME}" PRIVATE
  970. "${DPF_ROOT_DIR}/distrho/DistrhoUI_macOS.mm")
  971. if(USE_WEB_VIEW)
  972. find_library(APPLE_WEBKIT_FRAMEWORK "WebKit")
  973. target_link_libraries("${NAME}" PRIVATE "${APPLE_WEBKIT_FRAMEWORK}")
  974. endif()
  975. elseif(WIN32 AND USE_WEB_VIEW)
  976. target_sources("${NAME}" PRIVATE
  977. "${DPF_ROOT_DIR}/distrho/DistrhoUI_win32.cpp")
  978. set_source_files_properties("${DPF_ROOT_DIR}/distrho/DistrhoUI_win32.cpp"
  979. PROPERTIES
  980. COMPILE_FLAGS
  981. $<IF:$<BOOL:${MSVC}>,/std:c++17,-std=gnu++17>)
  982. target_link_libraries("${NAME}" PRIVATE "ole32" "uuid")
  983. endif()
  984. endfunction()
  985. # dpf__add_dgl_system_libs
  986. # ------------------------------------------------------------------------------
  987. #
  988. # Find system libraries required by DGL and add them as an interface target.
  989. #
  990. function(dpf__add_dgl_system_libs)
  991. if(TARGET dgl-system-libs)
  992. return()
  993. endif()
  994. add_library(dgl-system-libs INTERFACE)
  995. add_library(dgl-system-libs-definitions INTERFACE)
  996. if(APPLE)
  997. find_library(APPLE_COCOA_FRAMEWORK "Cocoa")
  998. find_library(APPLE_COREVIDEO_FRAMEWORK "CoreVideo")
  999. target_link_libraries(dgl-system-libs INTERFACE "${APPLE_COCOA_FRAMEWORK}" "${APPLE_COREVIDEO_FRAMEWORK}")
  1000. elseif(EMSCRIPTEN)
  1001. elseif(HAIKU)
  1002. target_link_libraries(dgl-system-libs INTERFACE "be")
  1003. elseif(WIN32)
  1004. target_link_libraries(dgl-system-libs INTERFACE "comdlg32" "dwmapi" "gdi32")
  1005. else()
  1006. find_package(PkgConfig)
  1007. pkg_check_modules(DBUS "dbus-1")
  1008. if(DBUS_FOUND)
  1009. target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_DBUS")
  1010. target_include_directories(dgl-system-libs INTERFACE "${DBUS_INCLUDE_DIRS}")
  1011. target_link_libraries(dgl-system-libs INTERFACE "${DBUS_LIBRARIES}")
  1012. endif()
  1013. find_package(X11 REQUIRED)
  1014. target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_X11")
  1015. target_include_directories(dgl-system-libs INTERFACE "${X11_INCLUDE_DIR}")
  1016. target_link_libraries(dgl-system-libs INTERFACE "${X11_X11_LIB}")
  1017. if(X11_Xcursor_FOUND)
  1018. target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_XCURSOR")
  1019. target_link_libraries(dgl-system-libs INTERFACE "${X11_Xcursor_LIB}")
  1020. endif()
  1021. if(X11_Xext_FOUND)
  1022. target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_XEXT")
  1023. target_link_libraries(dgl-system-libs INTERFACE "${X11_Xext_LIB}")
  1024. endif()
  1025. if(X11_Xrandr_FOUND)
  1026. target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_XRANDR")
  1027. target_link_libraries(dgl-system-libs INTERFACE "${X11_Xrandr_LIB}")
  1028. endif()
  1029. if(X11_XSync_FOUND)
  1030. target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_XSYNC")
  1031. target_link_libraries(dgl-system-libs INTERFACE "${X11_XSync_LIB}")
  1032. endif()
  1033. endif()
  1034. if(MSVC)
  1035. file(MAKE_DIRECTORY "${DPF_ROOT_DIR}/khronos/GL")
  1036. foreach(_gl_header "glext.h")
  1037. if(NOT EXISTS "${DPF_ROOT_DIR}/khronos/GL/${_gl_header}")
  1038. file(DOWNLOAD "https://www.khronos.org/registry/OpenGL/api/GL/${_gl_header}" "${DPF_ROOT_DIR}/khronos/GL/${_gl_header}" SHOW_PROGRESS)
  1039. endif()
  1040. endforeach()
  1041. foreach(_khr_header "khrplatform.h")
  1042. if(NOT EXISTS "${DPF_ROOT_DIR}/khronos/KHR/${_khr_header}")
  1043. file(DOWNLOAD "https://www.khronos.org/registry/EGL/api/KHR/${_khr_header}" "${DPF_ROOT_DIR}/khronos/KHR/${_khr_header}" SHOW_PROGRESS)
  1044. endif()
  1045. endforeach()
  1046. target_include_directories(dgl-system-libs-definitions INTERFACE "${DPF_ROOT_DIR}/khronos")
  1047. endif()
  1048. target_link_libraries(dgl-system-libs INTERFACE dgl-system-libs-definitions)
  1049. endfunction()
  1050. # dpf__add_executable
  1051. # ------------------------------------------------------------------------------
  1052. #
  1053. # Adds an executable target, and set some default properties on the target.
  1054. #
  1055. function(dpf__add_executable NAME)
  1056. add_executable("${NAME}" ${ARGN})
  1057. dpf__set_target_defaults("${NAME}")
  1058. if(MINGW)
  1059. target_link_libraries("${NAME}" PRIVATE "-static")
  1060. endif()
  1061. endfunction()
  1062. # dpf__add_module
  1063. # ------------------------------------------------------------------------------
  1064. #
  1065. # Adds a module target, and set some default properties on the target.
  1066. #
  1067. function(dpf__add_module NAME)
  1068. add_library("${NAME}" MODULE ${ARGN})
  1069. dpf__set_target_defaults("${NAME}")
  1070. if(APPLE)
  1071. set_target_properties("${NAME}" PROPERTIES SUFFIX ".dylib")
  1072. elseif(MINGW)
  1073. target_link_libraries("${NAME}" PRIVATE "-static")
  1074. endif()
  1075. endfunction()
  1076. # dpf__add_static_library
  1077. # ------------------------------------------------------------------------------
  1078. #
  1079. # Adds a static library target, and set some default properties on the target.
  1080. #
  1081. function(dpf__add_static_library NAME)
  1082. add_library("${NAME}" STATIC ${ARGN})
  1083. dpf__set_target_defaults("${NAME}")
  1084. endfunction()
  1085. # dpf__set_module_export_list
  1086. # ------------------------------------------------------------------------------
  1087. #
  1088. # Applies a list of exported symbols to the module target.
  1089. #
  1090. function(dpf__set_module_export_list NAME EXPORTS)
  1091. if(WIN32)
  1092. target_sources("${NAME}" PRIVATE "${DPF_ROOT_DIR}/utils/symbols/${EXPORTS}.def")
  1093. elseif(APPLE)
  1094. set_property(TARGET "${NAME}" APPEND PROPERTY LINK_OPTIONS
  1095. "-Xlinker" "-exported_symbols_list"
  1096. "-Xlinker" "${DPF_ROOT_DIR}/utils/symbols/${EXPORTS}.exp")
  1097. else()
  1098. set_property(TARGET "${NAME}" APPEND PROPERTY LINK_OPTIONS
  1099. "-Xlinker" "--version-script=${DPF_ROOT_DIR}/utils/symbols/${EXPORTS}.version")
  1100. endif()
  1101. endfunction()
  1102. # dpf__set_target_defaults
  1103. # ------------------------------------------------------------------------------
  1104. #
  1105. # Set default properties which must apply to all DPF-defined targets.
  1106. #
  1107. function(dpf__set_target_defaults NAME)
  1108. set_target_properties("${NAME}" PROPERTIES
  1109. POSITION_INDEPENDENT_CODE TRUE
  1110. C_VISIBILITY_PRESET "hidden"
  1111. CXX_VISIBILITY_PRESET "hidden"
  1112. VISIBILITY_INLINES_HIDDEN TRUE)
  1113. if(WIN32)
  1114. target_compile_definitions("${NAME}" PUBLIC "NOMINMAX")
  1115. endif()
  1116. if (MINGW)
  1117. target_compile_options("${NAME}" PUBLIC "-mstackrealign")
  1118. endif()
  1119. if (MSVC)
  1120. target_compile_options("${NAME}" PUBLIC "/UTF-8")
  1121. target_compile_definitions("${NAME}" PUBLIC "_CRT_SECURE_NO_WARNINGS")
  1122. endif()
  1123. if (CMAKE_COMPILER_IS_GNUCXX)
  1124. target_compile_options("${NAME}" PUBLIC "-fno-gnu-unique")
  1125. endif()
  1126. if ((NOT APPLE) AND (NOT MSVC))
  1127. target_link_options("${NAME}" PUBLIC "-Wl,--no-undefined")
  1128. endif()
  1129. endfunction()
  1130. # dpf__add_plugin_main
  1131. # ------------------------------------------------------------------------------
  1132. #
  1133. # Adds plugin code to the given target.
  1134. #
  1135. function(dpf__add_plugin_main NAME TARGET)
  1136. target_sources("${NAME}" PRIVATE
  1137. "${DPF_ROOT_DIR}/distrho/DistrhoPluginMain.cpp")
  1138. dpf__add_plugin_target_definition("${NAME}" "${TARGET}")
  1139. endfunction()
  1140. # dpf__add_ui_main
  1141. # ------------------------------------------------------------------------------
  1142. #
  1143. # Adds UI code to the given target (only if the target has UI).
  1144. #
  1145. function(dpf__add_ui_main NAME TARGET HAS_UI)
  1146. if(HAS_UI)
  1147. target_sources("${NAME}" PRIVATE
  1148. "${DPF_ROOT_DIR}/distrho/DistrhoUIMain.cpp")
  1149. dpf__add_plugin_target_definition("${NAME}" "${TARGET}")
  1150. endif()
  1151. endfunction()
  1152. # dpf__add_plugin_target_definition
  1153. # ------------------------------------------------------------------------------
  1154. #
  1155. # Adds the plugins target macro definition.
  1156. # This selects which entry file is compiled according to the target type.
  1157. #
  1158. function(dpf__add_plugin_target_definition NAME TARGET)
  1159. string(TOUPPER "${TARGET}" _upperTarget)
  1160. target_compile_definitions("${NAME}" PRIVATE "DISTRHO_PLUGIN_TARGET_${_upperTarget}")
  1161. endfunction()
  1162. # dpf__add_lv2_ttl_generator
  1163. # ------------------------------------------------------------------------------
  1164. #
  1165. # Build the LV2 TTL generator.
  1166. #
  1167. function(dpf__add_lv2_ttl_generator)
  1168. if(TARGET lv2_ttl_generator)
  1169. return()
  1170. endif()
  1171. add_executable(lv2_ttl_generator "${DPF_ROOT_DIR}/utils/lv2-ttl-generator/lv2_ttl_generator.c")
  1172. if((NOT WIN32) AND (NOT APPLE) AND (NOT HAIKU))
  1173. target_link_libraries(lv2_ttl_generator PRIVATE "dl")
  1174. endif()
  1175. endfunction()
  1176. # dpf__ensure_sources_non_empty
  1177. # ------------------------------------------------------------------------------
  1178. #
  1179. # Ensure the given source list contains at least one file.
  1180. # The function appends an empty source file to the list if necessary.
  1181. # This is useful when CMake does not permit to add targets without sources.
  1182. #
  1183. function(dpf__ensure_sources_non_empty VAR)
  1184. if(NOT "" STREQUAL "${${VAR}}")
  1185. return()
  1186. endif()
  1187. set(_file "${CMAKE_CURRENT_BINARY_DIR}/_dpf_empty.c")
  1188. if(NOT EXISTS "${_file}")
  1189. file(WRITE "${_file}" "")
  1190. endif()
  1191. set("${VAR}" "${_file}" PARENT_SCOPE)
  1192. endfunction()
  1193. # dpf__create_dummy_source_list
  1194. # ------------------------------------------------------------------------------
  1195. #
  1196. # Create a dummy source list which is equivalent to compiling nothing.
  1197. # This is only for compatibility with older CMake versions, which refuse to add
  1198. # targets without any sources.
  1199. #
  1200. macro(dpf__create_dummy_source_list VAR)
  1201. set("${VAR}")
  1202. if(CMAKE_VERSION VERSION_LESS "3.11")
  1203. dpf__ensure_sources_non_empty("${VAR}")
  1204. endif()
  1205. endmacro()
  1206. # dpf__target_link_directories
  1207. # ------------------------------------------------------------------------------
  1208. #
  1209. # Call `target_link_directories` if cmake >= 3.13,
  1210. # otherwise fallback to global `link_directories`.
  1211. #
  1212. macro(dpf__target_link_directories NAME DIRS)
  1213. if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.13")
  1214. target_link_directories("${NAME}" PUBLIC ${DIRS})
  1215. else()
  1216. link_directories(${DIRS})
  1217. endif()
  1218. endmacro()
  1219. # dpf__warn_once
  1220. # ------------------------------------------------------------------------------
  1221. #
  1222. # Prints a warning message once only.
  1223. #
  1224. function(dpf__warn_once_only TOKEN MESSAGE)
  1225. get_property(_warned GLOBAL PROPERTY "dpf__have_warned_${TOKEN}")
  1226. if(NOT _warned)
  1227. set_property(GLOBAL PROPERTY "dpf__have_warned_${TOKEN}" TRUE)
  1228. message(WARNING "${MESSAGE}")
  1229. endif()
  1230. endfunction()