CMakeLists.txt

   1
   2 cmake_minimum_required(VERSION 3.4.3)
   3
   4 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
   5
   6 project(dispatch
   7         VERSION 1.3
   8         LANGUAGES C CXX)
   9 enable_testing()
  10
  11 set(CMAKE_C_VISIBILITY_PRESET hidden)
  12 set(CMAKE_CXX_STANDARD 11)
  13
  14 set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
  15 set(THREADS_PREFER_PTHREAD_FLAG TRUE)
  16 find_package(Threads REQUIRED)
  17
  18 include(CheckCSourceCompiles)
  19 include(CheckFunctionExists)
  20 include(CheckIncludeFiles)
  21 include(CheckLibraryExists)
  22 include(CheckSymbolExists)
  23 include(GNUInstallDirs)
  24
  25 set(WITH_BLOCKS_RUNTIME "" CACHE PATH "Path to blocks runtime")
  26
  27 include(DispatchAppleOptions)
  28
  29 option(ENABLE_DISPATCH_INIT_CONSTRUCTOR "enable libdispatch_init as a constructor" ON)
  30 set(USE_LIBDISPATCH_INIT_CONSTRUCTOR ${ENABLE_DISPATCH_INIT_CONSTRUCTOR})
  31
  32 # TODO(compnerd) swift options
  33
  34 option(BUILD_SHARED_LIBS "build shared libraries" ON)
  35
  36 option(ENABLE_TESTING "build libdispatch tests" ON)
  37
  38 if(CMAKE_SYSTEM_NAME STREQUAL Linux OR
  39    CMAKE_SYSTEM_NAME STREQUAL Android)
  40   set(USE_GOLD_LINKER_DEFAULT ON)
  41 else()
  42   set(USE_GOLD_LINKER_DEFAULT OFF)
  43 endif()
  44 option(USE_GOLD_LINKER "use the gold linker" ${USE_GOLD_LINKER_DEFAULT})
  45
  46 option(ENABLE_THREAD_LOCAL_STORAGE "enable usage of thread local storage via __thread" ON)
  47 set(DISPATCH_USE_THREAD_LOCAL_STORAGE ${ENABLE_THREAD_LOCAL_STORAGE})
  48
  49 if(CMAKE_SYSTEM_NAME STREQUAL Linux OR
  50    CMAKE_SYSTEM_NAME STREQUAL Android OR
  51    CMAKE_SYSTEM_NAME STREQUAL Windows)
  52   set(ENABLE_INTERNAL_PTHREAD_WORKQUEUES_DEFAULT ON)
  53 else()
  54   set(ENABLE_INTERNAL_PTHREAD_WORKQUEUES_DEFAULT OFF)
  55 endif()
  56 option(ENABLE_INTERNAL_PTHREAD_WORKQUEUES "use libdispatch's own implementation of pthread workqueues" ${ENABLE_INTERNAL_PTHREAD_WORKQUEUES_DEFAULT})
  57 if(ENABLE_INTERNAL_PTHREAD_WORKQUEUES)
  58   set(DISPATCH_USE_INTERNAL_WORKQUEUE 1)
  59   set(HAVE_PTHREAD_WORKQUEUES 0)
  60 else()
  61   check_include_files(pthread/workqueue_private.h HAVE_PTHREAD_WORKQUEUE_PRIVATE_H)
  62   check_include_files(pthread_workqueue.h HAVE_PTHREAD_WORKQUEUE_H)
  63   if(HAVE_PTHREAD_WORKQUEUE_PRIVATE_H AND HAVE_PTHREAD_WORKQUEUE_H)
  64     set(HAVE_PTHREAD_WORKQUEUES 1)
  65     set(DISPATCH_USE_INTERNAL_WORKQUEUE 0)
  66   else()
  67     set(HAVE_PTHREAD_WORKQUEUES 0)
  68     set(DISPATCH_USE_INTERNAL_WORKQUEUE 1)
  69   endif()
  70 endif()
  71
  72 if(CMAKE_SYSTEM_NAME STREQUAL Linux OR
  73    CMAKE_SYSTEM_NAME STREQUAL Android OR
  74    CMAKE_SYSTEM_NAME STREQUAL Windows)
  75   add_library(BlocksRuntime
  76               STATIC
  77                 ${CMAKE_SOURCE_DIR}/src/BlocksRuntime/data.c
  78                 ${CMAKE_SOURCE_DIR}/src/BlocksRuntime/runtime.c)
  79   set_target_properties(BlocksRuntime
  80                         PROPERTIES
  81                           POSITION_INDEPENDENT_CODE TRUE)
  82   if(HAVE_OBJC AND CMAKE_DL_LIBS)
  83     set_target_properties(BlocksRuntime
  84                           PROPERTIES
  85                             INTERFACE_LINK_LIBRARIES ${CMAKE_DL_LIBS})
  86   endif()
  87   set(WITH_BLOCKS_RUNTIME "${CMAKE_SOURCE_DIR}/src/BlocksRuntime" CACHE PATH "Path to blocks runtime" FORCE)
  88 else()
  89   # TODO(compnerd) support system installed BlocksRuntime
  90   # find_package(BlocksRuntime REQUIRED)
  91 endif()
  92
  93 check_symbol_exists(__GNU_LIBRARY__ "features.h" _GNU_SOURCE)
  94 if(_GNU_SOURCE)
  95   set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} -D_GNU_SOURCE)
  96 endif()
  97
  98 check_c_source_compiles("void __attribute__((__noreturn__)) main() { __builtin_trap(); }"
  99                         __BUILTIN_TRAP)
 100 if(__BUILTIN_TRAP)
 101   set(HAVE_NORETURN_BUILTIN_TRAP 1)
 102 endif()
 103
 104 find_package(LibRT)
 105
 106 check_function_exists(_pthread_workqueue_init HAVE__PTHREAD_WORKQUEUE_INIT)
 107 check_function_exists(getprogname HAVE_GETPROGNAME)
 108 check_function_exists(mach_absolute_time HAVE_MACH_ABSOLUTE_TIME)
 109 check_function_exists(mach_approximate_time HAVE_MACH_APPROXIMATE_TIME)
 110 check_function_exists(mach_port_construct HAVE_MACH_PORT_CONSTRUCT)
 111 check_function_exists(malloc_create_zone HAVE_MALLOC_CREATE_ZONE)
 112 check_function_exists(pthread_key_init_np HAVE_PTHREAD_KEY_INIT_NP)
 113 check_function_exists(pthread_main_np HAVE_PTHREAD_MAIN_NP)
 114 check_function_exists(pthread_workqueue_setdispatch_np HAVE_PTHREAD_WORKQUEUE_SETDISPATCH_NP)
 115 check_function_exists(strlcpy HAVE_STRLCPY)
 116 check_function_exists(sysconf HAVE_SYSCONF)
 117
 118 if(NOT HAVE_STRLCPY AND NOT HAVE_GETPROGNAME)
 119   include(FindPkgConfig)
 120   pkg_check_modules(BSD_OVERLAY libbsd-overlay)
 121   if(BSD_OVERLAY_FOUND)
 122     set(HAVE_STRLCPY 1 CACHE INTERNAL "Have function strlcpy" FORCE)
 123     set(HAVE_GETPROGNAME 1 CACHE INTERNAL "Have function getprogname" FORCE)
 124   endif()
 125 endif()
 126
 127 find_package(Threads REQUIRED)
 128
 129 check_include_files("TargetConditionals.h" HAVE_TARGETCONDITIONALS_H)
 130 check_include_files("dlfcn.h" HAVE_DLFCN_H)
 131 check_include_files("fcntl.h" HAVE_FCNTL_H)
 132 check_include_files("inttypes.h" HAVE_INTTYPES_H)
 133 check_include_files("libkern/OSAtomic.h" HAVE_LIBKERN_OSATOMIC_H)
 134 check_include_files("libkern/OSCrossEndian.h" HAVE_LIBKERN_OSCROSSENDIAN_H)
 135 check_include_files("libproc_internal.h" HAVE_LIBPROC_INTERNAL_H)
 136 check_include_files("mach/mach.h" HAVE_MACH)
 137 if(HAVE_MACH)
 138   set(__DARWIN_NON_CANCELABLE 1)
 139   set(USE_MACH_SEM 1)
 140 else()
 141   set(__DARWIN_NON_CANCELABLE 0)
 142   set(USE_MACH_SEM 0)
 143 endif()
 144 check_include_files("malloc/malloc.h" HAVE_MALLOC_MALLOC_H)
 145 check_include_files("memory.h" HAVE_MEMORY_H)
 146 check_include_files("pthread/qos.h" HAVE_PTHREAD_QOS_H)
 147 check_include_files("pthread/workqueue_private.h" HAVE_PTHREAD_WORKQUEUE_PRIVATE_H)
 148 check_include_files("pthread_machdep.h" HAVE_PTHREAD_MACHDEP_H)
 149 check_include_files("pthread_np.h" HAVE_PTHREAD_NP_H)
 150 check_include_files("pthread_workqueue.h" HAVE_PTHREAD_WORKQUEUE_H)
 151 check_include_files("stdint.h" HAVE_STDINT_H)
 152 check_include_files("stdlib.h" HAVE_STDLIB_H)
 153 check_include_files("string.h" HAVE_STRING_H)
 154 check_include_files("strings.h" HAVE_STRINGS_H)
 155 check_include_files("sys/cdefs.h" HAVE_SYS_CDEFS_H)
 156 check_include_files("sys/guarded.h" HAVE_SYS_GUARDED_H)
 157 check_include_files("sys/stat.h" HAVE_SYS_STAT_H)
 158 check_include_files("sys/types.h" HAVE_SYS_TYPES_H)
 159 check_include_files("unistd.h" HAVE_UNISTD_H)
 160 check_include_files("objc/objc-internal.h" HAVE_OBJC)
 161
 162 check_library_exists(pthread sem_init "" USE_POSIX_SEM)
 163 if(CMAKE_SYSTEM_NAME STREQUAL Windows)
 164   add_definitions(-DTARGET_OS_WIN32)
 165   add_definitions(-DUSE_WIN32_SEM)
 166 endif()
 167
 168 check_symbol_exists(CLOCK_UPTIME "time.h" HAVE_DECL_CLOCK_UPTIME)
 169 check_symbol_exists(CLOCK_UPTIME_FAST "time.h" HAVE_DECL_CLOCK_UPTIME_FAST)
 170 check_symbol_exists(CLOCK_MONOTONIC "time.h" HAVE_DECL_CLOCK_MONOTONIC)
 171 check_symbol_exists(CLOCK_REALTIME "time.h" HAVE_DECL_CLOCK_REALTIME)
 172 check_symbol_exists(FD_COPY "sys/select.h" HAVE_DECL_FD_COPY)
 173 check_symbol_exists(NOTE_LOWAT "sys/event.h" HAVE_DECL_NOTE_LOWAT)
 174 check_symbol_exists(NOTE_NONE "sys/event.h" HAVE_DECL_NOTE_NONE)
 175 check_symbol_exists(NOTE_REAP "sys/event.h" HAVE_DECL_NOTE_REAP)
 176 check_symbol_exists(NOTE_REVOKE "sys/event.h" HAVE_DECL_NOTE_REVOKE)
 177 check_symbol_exists(NOTE_SIGNAL "sys/event.h" HAVE_DECL_NOTE_SIGNAL)
 178 check_symbol_exists(POSIX_SPAWN_START_SUSPENDED "sys/spawn.h" HAVE_DECL_POSIX_SPAWN_START_SUSPENDED)
 179 check_symbol_exists(SIGEMT "signal.h" HAVE_DECL_SIGEMT)
 180 check_symbol_exists(VQ_DESIRED_DISK "sys/mount.h" HAVE_DECL_VQ_DESIRED_DISK)
 181 check_symbol_exists(VQ_NEARLOWDISK "sys/mount.h" HAVE_DECL_VQ_NEARLOWDISK)
 182 check_symbol_exists(VQ_QUOTA "sys/mount.h" HAVE_DECL_VQ_QUOTA)
 183 check_symbol_exists(VQ_UPDATE "sys/mount.h" HAVE_DECL_VQ_UPDATE)
 184 check_symbol_exists(VQ_VERYLOWDISK "sys/mount.h" HAVE_DECL_VQ_VERYLOWDISK)
 185
 186 check_symbol_exists(program_invocation_name "errno.h" HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME)
 187
 188 find_program(dtrace_EXECUTABLE dtrace)
 189 if(dtrace_EXECUTABLE)
 190   add_definitions(-DDISPATCH_USE_DTRACE=1)
 191 else()
 192   add_definitions(-DDISPATCH_USE_DTRACE=0)
 193 endif()
 194
 195 find_program(leaks_EXECUTABLE leaks)
 196 if(leaks_EXECUTABLE)
 197   set(HAVE_LEAKS TRUE)
 198 endif()
 199
 200 if(CMAKE_SYSTEM_NAME STREQUAL Darwin)
 201   add_custom_command(OUTPUT
 202                        "${CMAKE_SOURCE_DIR}/dispatch/module.modulemap"
 203                        "${CMAKE_SOURCE_DIR}/private/module.modulemap"
 204                      COMMAND
 205                        ${CMAKE_COMMAND} -E create_symlink "${CMAKE_SOURCE_DIR}/darwin/module.modulemap" "${CMAKE_SOURCE_DIR}/dispatch/module.modulemap"
 206                      COMMAND
 207                        ${CMAKE_COMMAND} -E create_symlink "${CMAKE_SOURCE_DIR}/darwin/module.modulemap" "${CMAKE_SOURCE_DIR}/private/module.modulemap")
 208 else()
 209   add_custom_command(OUTPUT
 210                        "${CMAKE_SOURCE_DIR}/dispatch/module.modulemap"
 211                        "${CMAKE_SOURCE_DIR}/private/module.modulemap"
 212                      COMMAND
 213                        ${CMAKE_COMMAND} -E create_symlink "${CMAKE_SOURCE_DIR}/generic/module.modulemap" "${CMAKE_SOURCE_DIR}/dispatch/module.modulemap"
 214                      COMMAND
 215                        ${CMAKE_COMMAND} -E create_symlink "${CMAKE_SOURCE_DIR}/generic/module.modulemap" "${CMAKE_SOURCE_DIR}/private/module.modulemap")
 216 endif()
 217 configure_file("${CMAKE_SOURCE_DIR}/cmake/config.h.in"
 218                "${CMAKE_BINARY_DIR}/config/config_ac.h")
 219 add_definitions(-DHAVE_CONFIG_H)
 220
 221 add_subdirectory(dispatch)
 222 add_subdirectory(man)
 223 add_subdirectory(os)
 224 add_subdirectory(private)
 225 add_subdirectory(src)
 226 if(ENABLE_TESTING)
 227   add_subdirectory(tests)
 228 endif()
 229