1include(CheckIncludeFile)
2include(CheckSymbolExists)
3include(CheckStructMember)
4include(CheckTypeSize)
5
6check_include_file(dirent.h     HAVE_DIRENT_H)  # dbus-sysdeps-util.c
7check_include_file(io.h         HAVE_IO_H)      # internal
8check_include_file(grp.h        HAVE_GRP_H)     # dbus-sysdeps-util-win.c
9check_include_file(sys/poll.h   HAVE_POLL)      # dbus-sysdeps.c, dbus-sysdeps-win.c
10check_include_file(sys/time.h   HAVE_SYS_TIME_H)# dbus-sysdeps-win.c
11check_include_file(sys/wait.h   HAVE_SYS_WAIT_H)# dbus-sysdeps-win.c
12check_include_file(time.h       HAVE_TIME_H)    # dbus-sysdeps-win.c
13check_include_file(ws2tcpip.h   HAVE_WS2TCPIP_H)# dbus-sysdeps-win.c
14check_include_file(wspiapi.h    HAVE_WSPIAPI_H) # dbus-sysdeps-win.c
15check_include_file(unistd.h     HAVE_UNISTD_H)  # dbus-sysdeps-util-win.c
16check_include_file(stdio.h      HAVE_STDIO_H)   # dbus-sysdeps.h
17check_include_file(sys/syslimits.h    HAVE_SYS_SYSLIMITS_H)   # dbus-sysdeps-unix.c
18check_include_file(errno.h     HAVE_ERRNO_H)    # dbus-sysdeps.c
19check_include_file(signal.h     HAVE_SIGNAL_H)
20check_include_file(locale.h     HAVE_LOCALE_H)
21check_include_file(inttypes.h     HAVE_INTTYPES_H)   # dbus-pipe.h
22check_include_file(stdint.h     HAVE_STDINT_H)   # dbus-pipe.h
23
24check_symbol_exists(backtrace    "execinfo.h"       HAVE_BACKTRACE)          #  dbus-sysdeps.c, dbus-sysdeps-win.c
25check_symbol_exists(getgrouplist "grp.h"            HAVE_GETGROUPLIST)       #  dbus-sysdeps.c
26check_symbol_exists(getpeerucred "ucred.h"          HAVE_GETPEERUCRED)       #  dbus-sysdeps.c, dbus-sysdeps-win.c
27check_symbol_exists(nanosleep    "time.h"           HAVE_NANOSLEEP)          #  dbus-sysdeps.c
28check_symbol_exists(getpwnam_r   "errno.h pwd.h"    HAVE_POSIX_GETPWNAM_R)   #  dbus-sysdeps-util-unix.c
29check_symbol_exists(setenv       "stdlib.h"         HAVE_SETENV)             #  dbus-sysdeps.c
30check_symbol_exists(unsetenv     "stdlib.h"         HAVE_UNSETENV)           #  dbus-sysdeps.c
31check_symbol_exists(clearenv     "stdlib.h"         HAVE_CLEARENV)           #  dbus-sysdeps.c
32check_symbol_exists(writev       "sys/uio.h"        HAVE_WRITEV)             #  dbus-sysdeps.c, dbus-sysdeps-win.c
33check_symbol_exists(setrlimit    "sys/resource.h"   HAVE_SETRLIMIT)          #  dbus-sysdeps.c, dbus-sysdeps-win.c, test/test-segfault.c
34check_symbol_exists(socketpair   "sys/socket.h"     HAVE_SOCKETPAIR)         #  dbus-sysdeps.c
35check_symbol_exists(socklen_t    "sys/socket.h"     HAVE_SOCKLEN_T)          #  dbus-sysdeps-unix.c
36check_symbol_exists(setlocale    "locale.h"         HAVE_SETLOCALE)          #  dbus-test-main.c
37check_symbol_exists(localeconv   "locale.h"         HAVE_LOCALECONV)         #  dbus-sysdeps.c
38check_symbol_exists(strtoll      "stdlib.h"         HAVE_STRTOLL)            #  dbus-send.c
39check_symbol_exists(strtoull     "stdlib.h"         HAVE_STRTOULL)           #  dbus-send.c
40
41check_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
47check_type_size("short"     SIZEOF_SHORT)
48check_type_size("int"       SIZEOF_INT)
49check_type_size("long"      SIZEOF_LONG)
50check_type_size("long long" SIZEOF_LONG_LONG)
51check_type_size("__int64"   SIZEOF___INT64)
52
53# DBUS_INT64_TYPE
54if(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)")
59elseif(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)")
64elseif(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)")
69elseif(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)")
74endif(SIZEOF_INT EQUAL 8)
75
76# DBUS_INT32_TYPE
77if(SIZEOF_INT EQUAL 4)
78    set (DBUS_INT32_TYPE "int")
79elseif(SIZEOF_LONG EQUAL 4)
80    set (DBUS_INT32_TYPE "long")
81elseif(SIZEOF_LONG_LONG EQUAL 4)
82    set (DBUS_INT32_TYPE "long long")
83endif(SIZEOF_INT EQUAL 4)
84
85# DBUS_INT16_TYPE
86if(SIZEOF_INT EQUAL 2)
87    set (DBUS_INT16_TYPE "int")
88elseif(SIZEOF_SHORT EQUAL 2)
89    set (DBUS_INT16_TYPE "short")
90endif(SIZEOF_INT EQUAL 2)
91
92find_program(DOXYGEN doxygen)
93find_program(XMLTO xmlto)
94
95if(MSVC)
96   SET(DBUS_VA_COPY_FUNC "_DBUS_VA_COPY_ASSIGN";)
97else(MSVC)
98write_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")
113try_compile(DBUS_HAVE_VA_COPY
114            ${CMAKE_BINARY_DIR}
115            ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c)
116
117if(DBUS_HAVE_VA_COPY)
118  SET(DBUS_VA_COPY_FUNC va_copy CACHE STRING "va_copy function")
119else(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)
143endif(DBUS_HAVE_VA_COPY)
144endif(MSVC) # _not_ MSVC
145#### Abstract sockets
146
147if (DBUS_ENABLE_ABSTRACT_SOCKETS)
148
149  try_compile(HAVE_ABSTRACT_SOCKETS
150              ${CMAKE_BINARY_DIR}
151              ${CMAKE_SOURCE_DIR}/modules/CheckForAbstractSockets.c)
152
153endif(DBUS_ENABLE_ABSTRACT_SOCKETS)
154
155if(HAVE_ABSTRACT_SOCKETS)
156  set(DBUS_PATH_OR_ABSTRACT_VALUE abstract)
157else(HAVE_ABSTRACT_SOCKETS)
158  set(DBUS_PATH_OR_ABSTRACT_VALUE path)
159endif(HAVE_ABSTRACT_SOCKETS)
160
161