cmake/ConfigureChecks.cmake

   1 include(CheckIncludeFile)
   2 include(CheckSymbolExists)
   3 include(CheckStructMember)
   4 include(CheckTypeSize)
   5
   6 check_include_file(dirent.h     HAVE_DIRENT_H)  # dbus-sysdeps-util.c
   7 check_include_file(io.h         HAVE_IO_H)      # internal
   8 check_include_file(grp.h        HAVE_GRP_H)     # dbus-sysdeps-util-win.c
   9 check_include_file(sys/poll.h   HAVE_POLL)      # dbus-sysdeps.c, dbus-sysdeps-win.c
  10 check_include_file(sys/time.h   HAVE_SYS_TIME_H)# dbus-sysdeps-win.c
  11 check_include_file(sys/wait.h   HAVE_SYS_WAIT_H)# dbus-sysdeps-win.c
  12 check_include_file(time.h       HAVE_TIME_H)    # dbus-sysdeps-win.c
  13 check_include_file(ws2tcpip.h   HAVE_WS2TCPIP_H)# dbus-sysdeps-win.c
  14 check_include_file(wspiapi.h    HAVE_WSPIAPI_H) # dbus-sysdeps-win.c
  15 check_include_file(unistd.h     HAVE_UNISTD_H)  # dbus-sysdeps-util-win.c
  16 check_include_file(stdio.h      HAVE_STDIO_H)   # dbus-sysdeps.h
  17 check_include_file(sys/syslimits.h    HAVE_SYS_SYSLIMITS_H)   # dbus-sysdeps-unix.c
  18 check_include_file(errno.h     HAVE_ERRNO_H)    # dbus-sysdeps.c
  19 check_include_file(signal.h     HAVE_SIGNAL_H)
  20 check_include_file(locale.h     HAVE_LOCALE_H)
  21 check_include_file(inttypes.h     HAVE_INTTYPES_H)   # dbus-pipe.h
  22 check_include_file(stdint.h     HAVE_STDINT_H)   # dbus-pipe.h
  23
  24 check_symbol_exists(backtrace    "execinfo.h"       HAVE_BACKTRACE)          #  dbus-sysdeps.c, dbus-sysdeps-win.c
  25 check_symbol_exists(getgrouplist "grp.h"            HAVE_GETGROUPLIST)       #  dbus-sysdeps.c
  26 check_symbol_exists(getpeerucred "ucred.h"          HAVE_GETPEERUCRED)       #  dbus-sysdeps.c, dbus-sysdeps-win.c
  27 check_symbol_exists(nanosleep    "time.h"           HAVE_NANOSLEEP)          #  dbus-sysdeps.c
  28 check_symbol_exists(getpwnam_r   "errno.h pwd.h"    HAVE_POSIX_GETPWNAM_R)   #  dbus-sysdeps-util-unix.c
  29 check_symbol_exists(setenv       "stdlib.h"         HAVE_SETENV)             #  dbus-sysdeps.c
  30 check_symbol_exists(unsetenv     "stdlib.h"         HAVE_UNSETENV)           #  dbus-sysdeps.c
  31 check_symbol_exists(clearenv     "stdlib.h"         HAVE_CLEARENV)           #  dbus-sysdeps.c
  32 check_symbol_exists(writev       "sys/uio.h"        HAVE_WRITEV)             #  dbus-sysdeps.c, dbus-sysdeps-win.c
  33 check_symbol_exists(setrlimit    "sys/resource.h"   HAVE_SETRLIMIT)          #  dbus-sysdeps.c, dbus-sysdeps-win.c, test/test-segfault.c
  34 check_symbol_exists(socketpair   "sys/socket.h"     HAVE_SOCKETPAIR)         #  dbus-sysdeps.c
  35 check_symbol_exists(socklen_t    "sys/socket.h"     HAVE_SOCKLEN_T)          #  dbus-sysdeps-unix.c
  36 check_symbol_exists(setlocale    "locale.h"         HAVE_SETLOCALE)          #  dbus-test-main.c
  37 check_symbol_exists(localeconv   "locale.h"         HAVE_LOCALECONV)         #  dbus-sysdeps.c
  38 check_symbol_exists(strtoll      "stdlib.h"         HAVE_STRTOLL)            #  dbus-send.c
  39 check_symbol_exists(strtoull     "stdlib.h"         HAVE_STRTOULL)           #  dbus-send.c
  40
  41 check_struct_member(cmsgcred cmcred_pid "sys/types.h sys/socket.h" HAVE_CMSGCRED)   #  dbus-sysdeps.c
  42
  43 # missing:
  44 # HAVE_ABSTRACT_SOCKETS
  45 # DBUS_HAVE_GCC33_GCOV
  46
  47 check_type_size("short"     SIZEOF_SHORT)
  48 check_type_size("int"       SIZEOF_INT)
  49 check_type_size("long"      SIZEOF_LONG)
  50 check_type_size("long long" SIZEOF_LONG_LONG)
  51 check_type_size("__int64"   SIZEOF___INT64)
  52
  53 # DBUS_INT64_TYPE
  54 if(SIZEOF_INT EQUAL 8)
  55     set (DBUS_HAVE_INT64 1)
  56     set (DBUS_INT64_TYPE "int")
  57     set (DBUS_INT64_CONSTANT  "(val)")
  58     set (DBUS_UINT64_CONSTANT "(val##U)")
  59 elseif(SIZEOF_LONG EQUAL 8)
  60     set (DBUS_HAVE_INT64 1)
  61     set (DBUS_INT64_TYPE "long")
  62     set (DBUS_INT64_CONSTANT  "(val##L)")
  63     set (DBUS_UINT64_CONSTANT "(val##UL)")
  64 elseif(SIZEOF_LONG_LONG EQUAL 8)
  65     set (DBUS_HAVE_INT64 1)
  66     set (DBUS_INT64_TYPE "long long")
  67     set (DBUS_INT64_CONSTANT  "(val##LL)")
  68     set (DBUS_UINT64_CONSTANT "(val##ULL)")
  69 elseif(SIZEOF___INT64 EQUAL 8)
  70     set (DBUS_HAVE_INT64 1)
  71     set (DBUS_INT64_TYPE "__int64")
  72     set (DBUS_INT64_CONSTANT  "(val##i64)")
  73     set (DBUS_UINT64_CONSTANT "(val##ui64)")
  74 endif(SIZEOF_INT EQUAL 8)
  75
  76 # DBUS_INT32_TYPE
  77 if(SIZEOF_INT EQUAL 4)
  78     set (DBUS_INT32_TYPE "int")
  79 elseif(SIZEOF_LONG EQUAL 4)
  80     set (DBUS_INT32_TYPE "long")
  81 elseif(SIZEOF_LONG_LONG EQUAL 4)
  82     set (DBUS_INT32_TYPE "long long")
  83 endif(SIZEOF_INT EQUAL 4)
  84
  85 # DBUS_INT16_TYPE
  86 if(SIZEOF_INT EQUAL 2)
  87     set (DBUS_INT16_TYPE "int")
  88 elseif(SIZEOF_SHORT EQUAL 2)
  89     set (DBUS_INT16_TYPE "short")
  90 endif(SIZEOF_INT EQUAL 2)
  91
  92 find_program(DOXYGEN doxygen)
  93 find_program(XMLTO xmlto)
  94
  95 if(MSVC)
  96    SET(DBUS_VA_COPY_FUNC "_DBUS_VA_COPY_ASSIGN";)
  97 else(MSVC)
  98 write_file("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c" "#include <stdarg.h>
  99         #include <stdlib.h>
 100         static void f (int i, ...) {
 101         va_list args1, args2;
 102         va_start (args1, i);
 103         va_copy (args2, args1);
 104         if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
 105           exit (1);
 106         va_end (args1); va_end (args2);
 107         }
 108         int main() {
 109           f (0, 42);
 110           return 0;
 111         }
 112 ")
 113 try_compile(DBUS_HAVE_VA_COPY
 114             ${CMAKE_BINARY_DIR}
 115             ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c)
 116
 117 if(DBUS_HAVE_VA_COPY)
 118   SET(DBUS_VA_COPY_FUNC va_copy CACHE STRING "va_copy function")
 119 else(DBUS_HAVE_VA_COPY)
 120   write_file("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c" "#include <stdarg.h>
 121           #include <stdlib.h>
 122           static void f (int i, ...) {
 123           va_list args1, args2;
 124           va_start (args1, i);
 125           __va_copy (args2, args1);
 126           if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
 127             exit (1);
 128           va_end (args1); va_end (args2);
 129           }
 130           int main() {
 131             f (0, 42);
 132             return 0;
 133           }
 134   ")
 135   try_compile(DBUS_HAVE___VA_COPY
 136               ${CMAKE_BINARY_DIR}
 137               ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c)
 138   if(DBUS_HAVE___VA_COPY)
 139     SET(DBUS_VA_COPY_FUNC __va_copy CACHE STRING "va_copy function")
 140   else(DBUS_HAVE___VA_COPY)
 141     SET(DBUS_VA_COPY_AS_ARRAY "1" CACHE STRING "'va_lists' cannot be copies as values")
 142   endif(DBUS_HAVE___VA_COPY)
 143 endif(DBUS_HAVE_VA_COPY)
 144 endif(MSVC) # _not_ MSVC
 145 #### Abstract sockets
 146
 147 if (DBUS_ENABLE_ABSTRACT_SOCKETS)
 148
 149   try_compile(HAVE_ABSTRACT_SOCKETS
 150               ${CMAKE_BINARY_DIR}
 151               ${CMAKE_SOURCE_DIR}/modules/CheckForAbstractSockets.c)
 152
 153 endif(DBUS_ENABLE_ABSTRACT_SOCKETS)
 154
 155 if(HAVE_ABSTRACT_SOCKETS)
 156   set(DBUS_PATH_OR_ABSTRACT_VALUE abstract)
 157 else(HAVE_ABSTRACT_SOCKETS)
 158   set(DBUS_PATH_OR_ABSTRACT_VALUE path)
 159 endif(HAVE_ABSTRACT_SOCKETS)
 160