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(wspiapi.h    HAVE_WSPIAPI_H) # dbus-sysdeps-win.c
  14 check_include_file(unistd.h     HAVE_UNISTD_H)  # dbus-sysdeps-util-win.c
  15 check_include_file(stdio.h      HAVE_STDIO_H)   # dbus-sysdeps.h
  16 check_include_file(sys/syslimits.h    HAVE_SYS_SYSLIMITS_H)   # dbus-sysdeps-unix.c
  17 check_include_file(errno.h     HAVE_ERRNO_H)    # dbus-sysdeps.c
  18 check_include_file(signal.h     HAVE_SIGNAL_H)
  19 check_include_file(locale.h     HAVE_LOCALE_H)
  20
  21 check_symbol_exists(backtrace    "execinfo.h"       HAVE_BACKTRACE)          #  dbus-sysdeps.c, dbus-sysdeps-win.c
  22 check_symbol_exists(getgrouplist "grp.h"            HAVE_GETGROUPLIST)       #  dbus-sysdeps.c
  23 check_symbol_exists(getpeerucred "ucred.h"          HAVE_GETPEERUCRED)       #  dbus-sysdeps.c, dbus-sysdeps-win.c
  24 check_symbol_exists(nanosleep    "time.h"           HAVE_NANOSLEEP)          #  dbus-sysdeps.c
  25 check_symbol_exists(getpwnam_r   "errno.h pwd.h"    HAVE_POSIX_GETPWNAM_R)   #  dbus-sysdeps-util-unix.c
  26 check_symbol_exists(setenv       "stdlib.h"         HAVE_SETENV)             #  dbus-sysdeps.c
  27 check_symbol_exists(unsetenv     "stdlib.h"         HAVE_UNSETENV)           #  dbus-sysdeps.c
  28 check_symbol_exists(clearenv     "stdlib.h"         HAVE_CLEARENV)           #  dbus-sysdeps.c
  29 check_symbol_exists(writev       "sys/uio.h"        HAVE_WRITEV)             #  dbus-sysdeps.c, dbus-sysdeps-win.c
  30 check_symbol_exists(setrlimit    "sys/resource.h"   HAVE_SETRLIMIT)          #  dbus-sysdeps.c, dbus-sysdeps-win.c, test/test-segfault.c
  31 check_symbol_exists(socketpair   "sys/socket.h"     HAVE_SOCKETPAIR)         #  dbus-sysdeps.c
  32 check_symbol_exists(socklen_t    "sys/socket.h"     HAVE_SOCKLEN_T)          #  dbus-sysdeps-unix.c
  33 check_symbol_exists(setlocale    "locale.h"         HAVE_SETLOCALE)          #  dbus-test-main.c
  34 check_symbol_exists(localeconv   "locale.h"         HAVE_LOCALECONV)         #  dbus-sysdeps.c
  35 check_symbol_exists(strtoll      "stdlib.h"         HAVE_STRTOLL)            #  dbus-send.c
  36 check_symbol_exists(strtoull     "stdlib.h"         HAVE_STRTOULL)           #  dbus-send.c
  37
  38 check_struct_member(cmsgcred cmcred_pid "sys/types.h sys/socket.h" HAVE_CMSGCRED)   #  dbus-sysdeps.c
  39
  40 # missing:
  41 # HAVE_ABSTRACT_SOCKETS
  42 # DBUS_HAVE_GCC33_GCOV
  43
  44 check_type_size("short"     SIZEOF_SHORT)
  45 check_type_size("int"       SIZEOF_INT)
  46 check_type_size("long"      SIZEOF_LONG)
  47 check_type_size("long long" SIZEOF_LONG_LONG)
  48 check_type_size("__int64"   SIZEOF___INT64)
  49
  50 # DBUS_INT64_TYPE
  51 if(SIZEOF_INT EQUAL 8)
  52     set (DBUS_HAVE_INT64 1)
  53     set (DBUS_INT64_TYPE "int")
  54 else(SIZEOF_INT EQUAL 8)
  55     if(SIZEOF_LONG EQUAL 8)
  56         set (DBUS_HAVE_INT64 1)
  57         set (DBUS_INT64_TYPE "long")
  58     else(SIZEOF_LONG EQUAL 8)
  59         if(SIZEOF_LONG_LONG EQUAL 8)
  60             set (DBUS_HAVE_INT64 1)
  61             set (DBUS_INT64_TYPE "long long")
  62         else(SIZEOF_LONG_LONG EQUAL 8)
  63             if(SIZEOF___INT64 EQUAL 8)
  64                 set (DBUS_HAVE_INT64 1)
  65                 set (DBUS_INT64_TYPE "__int64")
  66             endif(SIZEOF___INT64 EQUAL 8)
  67         endif(SIZEOF_LONG_LONG EQUAL 8)
  68     endif(SIZEOF_LONG EQUAL 8)
  69 endif(SIZEOF_INT EQUAL 8)
  70
  71 # DBUS_INT32_TYPE
  72 if(SIZEOF_INT EQUAL 4)
  73     set (DBUS_INT32_TYPE "int")
  74 else(SIZEOF_INT EQUAL 4)
  75     if(SIZEOF_LONG EQUAL 4)
  76         set (DBUS_INT32_TYPE "long")
  77     else(SIZEOF_LONG EQUAL 4)
  78         if(SIZEOF_LONG_LONG EQUAL 4)
  79             set (DBUS_INT32_TYPE "long long")
  80         endif(SIZEOF_LONG_LONG EQUAL 4)
  81     endif(SIZEOF_LONG EQUAL 4)
  82 endif(SIZEOF_INT EQUAL 4)
  83
  84 # DBUS_INT16_TYPE
  85 if(SIZEOF_INT EQUAL 2)
  86     set (DBUS_INT16_TYPE "int")
  87 else(SIZEOF_INT EQUAL 2)
  88     if(SIZEOF_SHORT EQUAL 2)
  89         set (DBUS_INT16_TYPE "short")
  90     endif(SIZEOF_SHORT EQUAL 2)
  91 endif(SIZEOF_INT EQUAL 2)
  92
  93 find_program(DOXYGEN doxygen)
  94 find_program(XMLTO xmlto)
  95
  96 if(MSVC)
  97    SET(DBUS_VA_COPY_FUNC "_DBUS_VA_COPY_ASSIGN";)
  98 else(MSVC)
  99 write_file("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c" "#include <stdarg.h>
 100         #include <stdlib.h>
 101         static void f (int i, ...) {
 102         va_list args1, args2;
 103         va_start (args1, i);
 104         va_copy (args2, args1);
 105         if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
 106           exit (1);
 107         va_end (args1); va_end (args2);
 108         }
 109         int main() {
 110           f (0, 42);
 111           return 0;
 112         }
 113 ")
 114 try_compile(DBUS_HAVE_VA_COPY
 115             ${CMAKE_BINARY_DIR}
 116             ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c)
 117
 118 if(DBUS_HAVE_VA_COPY)
 119   SET(DBUS_VA_COPY_FUNC va_copy CACHE STRING "va_copy function")
 120 else(DBUS_HAVE_VA_COPY)
 121   write_file("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c" "#include <stdarg.h>
 122           #include <stdlib.h>
 123           static void f (int i, ...) {
 124           va_list args1, args2;
 125           va_start (args1, i);
 126           __va_copy (args2, args1);
 127           if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
 128             exit (1);
 129           va_end (args1); va_end (args2);
 130           }
 131           int main() {
 132             f (0, 42);
 133             return 0;
 134           }
 135   ")
 136   try_compile(DBUS_HAVE___VA_COPY
 137               ${CMAKE_BINARY_DIR}
 138               ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c)
 139   if(DBUS_HAVE___VA_COPY)
 140     SET(DBUS_VA_COPY_FUNC __va_copy CACHE STRING "va_copy function")
 141   else(DBUS_HAVE___VA_COPY)
 142     SET(DBUS_VA_COPY_AS_ARRAY "1" CACHE STRING "'va_lists' cannot be copies as values")
 143   endif(DBUS_HAVE___VA_COPY)
 144 endif(DBUS_HAVE_VA_COPY)
 145 endif(MSVC) # _not_ MSVC
 146 #### Abstract sockets
 147
 148 if (DBUS_ENABLE_ABSTRACT_SOCKETS)
 149
 150   try_compile(HAVE_ABSTRACT_SOCKETS
 151               ${CMAKE_BINARY_DIR}
 152               ${CMAKE_SOURCE_DIR}/modules/CheckForAbstractSockets.c)
 153
 154 endif(DBUS_ENABLE_ABSTRACT_SOCKETS)
 155
 156 if(HAVE_ABSTRACT_SOCKETS)
 157   set(DBUS_PATH_OR_ABSTRACT_VALUE abstract)
 158 else(HAVE_ABSTRACT_SOCKETS)
 159   set(DBUS_PATH_OR_ABSTRACT_VALUE path)
 160 endif(HAVE_ABSTRACT_SOCKETS)
 161