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include(CheckIncludeFile)
include(CheckSymbolExists)
include(CheckStructMember)
include(CheckTypeSize)
check_include_file(dirent.h HAVE_DIRENT_H) # dbus-sysdeps-util.c
check_include_file(io.h HAVE_IO_H) # internal
check_include_file(grp.h HAVE_GRP_H) # dbus-sysdeps-util-win.c
check_include_file(sys/poll.h HAVE_POLL) # dbus-sysdeps.c, dbus-sysdeps-win.c
check_include_file(sys/time.h HAVE_SYS_TIME_H)# dbus-sysdeps-win.c
check_include_file(sys/wait.h HAVE_SYS_WAIT_H)# dbus-sysdeps-win.c
check_include_file(time.h HAVE_TIME_H) # dbus-sysdeps-win.c
check_include_file(ws2tcpip.h HAVE_WS2TCPIP_H)# dbus-sysdeps-win.c
check_include_file(unistd.h HAVE_UNISTD_H) # dbus-sysdeps-util-win.c
check_include_file(stdio.h HAVE_STDIO_H) # dbus-sysdeps.h
check_include_file(sys/syslimits.h HAVE_SYS_SYSLIMITS_H) # dbus-sysdeps-unix.c
check_include_file(errno.h HAVE_ERRNO_H) # dbus-sysdeps.c
check_include_file(signal.h HAVE_SIGNAL_H)
check_include_file(locale.h HAVE_LOCALE_H)
check_include_file(inttypes.h HAVE_INTTYPES_H) # dbus-pipe.h
check_include_file(stdint.h HAVE_STDINT_H) # dbus-pipe.h
check_include_file(sys/prctl.h HAVE_SYS_PRCTL_H)
check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE) # dbus-sysdeps.c, dbus-sysdeps-win.c
check_symbol_exists(getgrouplist "grp.h" HAVE_GETGROUPLIST) # dbus-sysdeps.c
check_symbol_exists(getpeerucred "ucred.h" HAVE_GETPEERUCRED) # dbus-sysdeps.c, dbus-sysdeps-win.c
check_symbol_exists(nanosleep "time.h" HAVE_NANOSLEEP) # dbus-sysdeps.c
check_symbol_exists(getpwnam_r "errno.h pwd.h" HAVE_POSIX_GETPWNAM_R) # dbus-sysdeps-util-unix.c
check_symbol_exists(setenv "stdlib.h" HAVE_SETENV) # dbus-sysdeps.c
check_symbol_exists(unsetenv "stdlib.h" HAVE_UNSETENV) # dbus-sysdeps.c
check_symbol_exists(clearenv "stdlib.h" HAVE_CLEARENV) # dbus-sysdeps.c
check_symbol_exists(writev "sys/uio.h" HAVE_WRITEV) # dbus-sysdeps.c, dbus-sysdeps-win.c
check_symbol_exists(setrlimit "sys/resource.h" HAVE_SETRLIMIT) # dbus-sysdeps.c, dbus-sysdeps-win.c, test/test-segfault.c
check_symbol_exists(socketpair "sys/socket.h" HAVE_SOCKETPAIR) # dbus-sysdeps.c
check_symbol_exists(socklen_t "sys/socket.h" HAVE_SOCKLEN_T) # dbus-sysdeps-unix.c
check_symbol_exists(setlocale "locale.h" HAVE_SETLOCALE) # dbus-test-main.c
check_symbol_exists(localeconv "locale.h" HAVE_LOCALECONV) # dbus-sysdeps.c
check_symbol_exists(strtoll "stdlib.h" HAVE_STRTOLL) # dbus-send.c
check_symbol_exists(strtoull "stdlib.h" HAVE_STRTOULL) # dbus-send.c
set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
check_symbol_exists(pipe2 "fcntl.h;unistd.h" HAVE_PIPE2)
check_symbol_exists(accept4 "sys/socket.h" HAVE_ACCEPT4)
check_symbol_exists(dirfd "dirent.h" HAVE_DIRFD)
check_symbol_exists(inotify_init1 "sys/inotify.h" HAVE_INOTIFY_INIT1)
check_symbol_exists(SCM_RIGHTS "sys/types.h;sys/socket.h;sys/un.h" HAVE_UNIX_FD_PASSING)
check_symbol_exists(prctl "sys/prctl.h" HAVE_PRCTL)
check_symbol_exists(raise "signal.h" HAVE_RAISE)
check_struct_member(cmsgcred cmcred_pid "sys/types.h sys/socket.h" HAVE_CMSGCRED) # dbus-sysdeps.c
# missing:
# HAVE_ABSTRACT_SOCKETS
# DBUS_HAVE_GCC33_GCOV
check_type_size("short" SIZEOF_SHORT)
check_type_size("int" SIZEOF_INT)
check_type_size("long" SIZEOF_LONG)
check_type_size("long long" SIZEOF_LONG_LONG)
check_type_size("__int64" SIZEOF___INT64)
# DBUS_INT64_TYPE
if(SIZEOF_INT EQUAL 8)
set (DBUS_INT64_TYPE "int")
set (DBUS_INT64_CONSTANT "(val)")
set (DBUS_UINT64_CONSTANT "(val##U)")
elseif(SIZEOF_LONG EQUAL 8)
set (DBUS_INT64_TYPE "long")
set (DBUS_INT64_CONSTANT "(val##L)")
set (DBUS_UINT64_CONSTANT "(val##UL)")
elseif(SIZEOF_LONG_LONG EQUAL 8)
set (DBUS_INT64_TYPE "long long")
set (DBUS_INT64_CONSTANT "(val##LL)")
set (DBUS_UINT64_CONSTANT "(val##ULL)")
elseif(SIZEOF___INT64 EQUAL 8)
set (DBUS_INT64_TYPE "__int64")
set (DBUS_INT64_CONSTANT "(val##i64)")
set (DBUS_UINT64_CONSTANT "(val##ui64)")
else(SIZEOF_INT EQUAL 8)
message (FATAL_ERROR "Could not find a 64-bit integer type")
endif(SIZEOF_INT EQUAL 8)
# DBUS_INT32_TYPE
if(SIZEOF_INT EQUAL 4)
set (DBUS_INT32_TYPE "int")
elseif(SIZEOF_LONG EQUAL 4)
set (DBUS_INT32_TYPE "long")
elseif(SIZEOF_LONG_LONG EQUAL 4)
set (DBUS_INT32_TYPE "long long")
endif(SIZEOF_INT EQUAL 4)
# DBUS_INT16_TYPE
if(SIZEOF_INT EQUAL 2)
set (DBUS_INT16_TYPE "int")
elseif(SIZEOF_SHORT EQUAL 2)
set (DBUS_INT16_TYPE "short")
endif(SIZEOF_INT EQUAL 2)
find_program(DOXYGEN doxygen)
find_program(XMLTO xmlto)
if(MSVC)
SET(DBUS_VA_COPY_FUNC "_DBUS_VA_COPY_ASSIGN")
else(MSVC)
write_file("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c" "#include <stdarg.h>
#include <stdlib.h>
static void f (int i, ...) {
va_list args1, args2;
va_start (args1, i);
va_copy (args2, args1);
if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
exit (1);
va_end (args1); va_end (args2);
}
int main() {
f (0, 42);
return 0;
}
")
try_compile(DBUS_HAVE_VA_COPY
${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c)
if(DBUS_HAVE_VA_COPY)
SET(DBUS_VA_COPY_FUNC va_copy CACHE STRING "va_copy function")
else(DBUS_HAVE_VA_COPY)
write_file("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c" "#include <stdarg.h>
#include <stdlib.h>
static void f (int i, ...) {
va_list args1, args2;
va_start (args1, i);
__va_copy (args2, args1);
if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
exit (1);
va_end (args1); va_end (args2);
}
int main() {
f (0, 42);
return 0;
}
")
try_compile(DBUS_HAVE___VA_COPY
${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/cmake_try_compile.c)
if(DBUS_HAVE___VA_COPY)
SET(DBUS_VA_COPY_FUNC __va_copy CACHE STRING "va_copy function")
else(DBUS_HAVE___VA_COPY)
SET(DBUS_VA_COPY_AS_ARRAY "1" CACHE STRING "'va_lists' cannot be copies as values")
endif(DBUS_HAVE___VA_COPY)
endif(DBUS_HAVE_VA_COPY)
endif(MSVC) # _not_ MSVC
#### Abstract sockets
if (DBUS_ENABLE_ABSTRACT_SOCKETS)
try_compile(HAVE_ABSTRACT_SOCKETS
${CMAKE_BINARY_DIR}
${CMAKE_SOURCE_DIR}/modules/CheckForAbstractSockets.c)
endif(DBUS_ENABLE_ABSTRACT_SOCKETS)
if(HAVE_ABSTRACT_SOCKETS)
set(DBUS_PATH_OR_ABSTRACT_VALUE abstract)
else(HAVE_ABSTRACT_SOCKETS)
set(DBUS_PATH_OR_ABSTRACT_VALUE path)
endif(HAVE_ABSTRACT_SOCKETS)
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