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include(CheckIncludeFile)
include(CheckIncludeFiles)
include(CheckSymbolExists)
include(CheckStructMember)
include(CheckTypeSize)
include(CheckCSourceCompiles)
include(CheckCSourceRuns)
check_include_file(alloca.h HAVE_ALLOCA_H)
check_include_file(byteswap.h HAVE_BYTESWAP_H)
check_include_file(crt/externs.h HAVE_CRT_EXTERNS_H)
check_include_file(dirent.h HAVE_DIRENT_H) # dbus-sysdeps-util.c
check_include_file(dlfcn.h HAVE_DLFCN_H)
check_include_file(execinfo.h HAVE_EXECINFO_H)
check_include_file(errno.h HAVE_ERRNO_H) # dbus-sysdeps.c
check_include_file(expat.h HAVE_EXPAT_H)
check_include_file(grp.h HAVE_GRP_H) # dbus-sysdeps-util-win.c
check_include_file(inttypes.h HAVE_INTTYPES_H) # dbus-pipe.h
check_include_file(io.h HAVE_IO_H) # internal
check_include_file(locale.h HAVE_LOCALE_H)
check_include_file(memory.h HAVE_MEMORY_H)
check_include_file(signal.h HAVE_SIGNAL_H)
check_include_file(stdint.h HAVE_STDINT_H) # dbus-pipe.h
check_include_file(stdlib.h HAVE_STDLIB_H)
check_include_file(stdio.h HAVE_STDIO_H) # dbus-sysdeps.h
check_include_file(string.h HAVE_STRING_H)
check_include_file(strings.h HAVE_STRINGS_H)
check_include_file(syslog.h HAVE_SYSLOG_H)
check_include_files("stdint.h;sys/types.h;sys/event.h" HAVE_SYS_EVENT_H)
check_include_file(sys/inotify.h HAVE_SYS_INOTIFY_H)
check_include_file(sys/random.h HAVE_SYS_RANDOM_H)
check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H)
check_include_file(sys/stat.h HAVE_SYS_STAT_H)
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(sys/uio.h HAVE_SYS_UIO_H)
check_include_file(sys/prctl.h HAVE_SYS_PRCTL_H)
check_include_file(sys/syslimits.h HAVE_SYS_SYSLIMITS_H) # dbus-sysdeps-unix.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(sys/inotify.h DBUS_BUS_ENABLE_INOTIFY)
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_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(setlocale "locale.h" HAVE_SETLOCALE) # dbus-test-main.c
check_symbol_exists(localeconv "locale.h" HAVE_LOCALECONV) # dbus-sysdeps.c
check_symbol_exists(poll "poll.h" HAVE_POLL) # dbus-sysdeps-unix.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(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_symbol_exists(getrandom "sys/random.h" HAVE_GETRANDOM)
check_symbol_exists(getrlimit "sys/resource.h;sys/time.h" HAVE_GETRLIMIT)
check_symbol_exists(prlimit "sys/resource.h;sys/time.h" HAVE_PRLIMIT)
check_symbol_exists(setrlimit "sys/resource.h;sys/time.h" HAVE_SETRLIMIT)
check_symbol_exists(vasprintf "stdio.h" HAVE_VASPRINTF)
check_symbol_exists(vsnprintf "stdio.h" HAVE_VSNPRINTF)
check_symbol_exists(MSG_NOSIGNAL "sys/socket.h" HAVE_DECL_MSG_NOSIGNAL)
check_symbol_exists(environ "unistd.h" HAVE_DECL_ENVIRON)
check_symbol_exists(LOG_PERROR "syslog.h" HAVE_DECL_LOG_PERROR)
check_struct_member(cmsgcred cmcred_pid "sys/types.h;sys/socket.h" HAVE_CMSGCRED) # dbus-sysdeps.c
CHECK_C_SOURCE_COMPILES("
#ifndef __linux__
#error This is not Linux
#endif
#include <sys/epoll.h>
int main() {
epoll_create1 (EPOLL_CLOEXEC);
}" DBUS_HAVE_LINUX_EPOLL)
CHECK_C_SOURCE_COMPILES("
#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;
}
" HAVE_VA_COPY)
CHECK_C_SOURCE_COMPILES("
#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;
}
" HAVE___VA_COPY)
if(HAVE_VA_COPY)
set(DBUS_VA_COPY va_copy CACHE STRING "va_copy function")
elseif(HAVE___VA_COPY)
set(DBUS_VA_COPY __va_copy CACHE STRING "va_copy function")
elseif(MSVC)
# this is used for msvc < 2013
set(DBUS_VA_COPY _DBUS_VA_COPY_ASSIGN)
else()
message(FATAL_ERROR "dbus requires an ISO C99-compatible va_copy() macro, or a similar __va_copy(), or MSVC >= 2010")
endif()
CHECK_C_SOURCE_COMPILES("
int main() {
int a = 4;
int b = __sync_sub_and_fetch(&a, 4);
exit(b);
}
" DBUS_USE_SYNC)
CHECK_C_SOURCE_COMPILES("
#include <sys/types.h>
#include <dirent.h>
int main(
DIR *dirp;
dirp = opendir(\".\");
dirfd(dirp);
closedir(dirp);
)
" HAVE_DIRFD)
if(NOT HAVE_DIRFD)
CHECK_C_SOURCE_COMPILES("
#include <sys/types.h>
#include <dirent.h>
int main()
{
DIR *dirp;
int fd;
dirp = opendir(\".\");
fd = dirp->dd_fd;
closedir(dirp);
}
" HAVE_DDFD)
endif()
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)
set(CMAKE_EXTRA_INCLUDE_FILES "sys/socket.h")
check_type_size("socklen_t" HAVE_SOCKLEN_T) # dbus-sysdeps-unix.c
set(CMAKE_EXTRA_INCLUDE_FILES)
# 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()
# 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()
# DBUS_INT16_TYPE
if(SIZEOF_INT EQUAL 2)
set(DBUS_INT16_TYPE "int")
elseif(SIZEOF_SHORT EQUAL 2)
set(DBUS_INT16_TYPE "short")
endif()
find_program(DOXYGEN doxygen)
find_program(XMLTO xmlto)
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