+AC_TYPE_GETGROUPS
+AC_CHECK_MEMBERS([struct stat.st_rdev])
+
+AC_CHECK_TYPE([ino_t], [unsigned])
+TYPE_SOCKLEN_T
+
+AC_CACHE_CHECK([for errno in errno.h],rsync_cv_errno, [
+ AC_TRY_COMPILE([#include <errno.h>],[int i = errno],
+ rsync_cv_errno=yes,rsync_cv_have_errno_decl=no)])
+if test x"$rsync_cv_errno" = x"yes"; then
+ AC_DEFINE(HAVE_ERRNO_DECL, 1, [ ])
+fi
+
+# The following test taken from the cvs sources
+# If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
+# These need checks to be before checks for any other functions that
+# might be in the same libraries.
+# The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
+# libsocket.so which has a bad implementation of gethostbyname (it
+# only looks in /etc/hosts), so we only look for -lsocket if we need
+# it.
+AC_CHECK_FUNCS(connect)
+if test x"$ac_cv_func_connect" = x"no"; then
+ case "$LIBS" in
+ *-lnsl*) ;;
+ *) AC_CHECK_LIB(nsl_s, printf) ;;
+ esac
+ case "$LIBS" in
+ *-lnsl*) ;;
+ *) AC_CHECK_LIB(nsl, printf) ;;
+ esac
+ case "$LIBS" in
+ *-lsocket*) ;;
+ *) AC_CHECK_LIB(socket, connect) ;;
+ esac
+ case "$LIBS" in
+ *-linet*) ;;
+ *) AC_CHECK_LIB(inet, connect) ;;
+ esac
+ dnl We can't just call AC_CHECK_FUNCS(connect) here, because the value
+ dnl has been cached.
+ if test x"$ac_cv_lib_socket_connect" = x"yes" ||
+ test x"$ac_cv_lib_inet_connect" = x"yes"; then
+ # ac_cv_func_connect=yes
+ # don't! it would cause AC_CHECK_FUNC to succeed next time configure is run
+ AC_DEFINE(HAVE_CONNECT, 1, [ ])
+ fi
+fi
+
+AC_CHECK_LIB(resolv, inet_ntop)
+
+dnl AC_MSG_NOTICE([Looking in libraries: $LIBS])
+
+AC_CHECK_FUNCS(inet_ntop, , AC_LIBOBJ(lib/inet_ntop))
+AC_CHECK_FUNCS(inet_pton, , AC_LIBOBJ(lib/inet_pton))
+
+# Irix 6.5 has getaddrinfo but not the corresponding defines, so use
+# builtin getaddrinfo if one of the defines don't exist
+AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
+ rsync_cv_HAVE_GETADDR_DEFINES,[
+ AC_EGREP_CPP(yes, [
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netdb.h>
+ #ifdef AI_PASSIVE
+ yes
+ #endif],
+ rsync_cv_HAVE_GETADDR_DEFINES=yes,
+ rsync_cv_HAVE_GETADDR_DEFINES=no)])
+if test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes"; then
+ # Tru64 UNIX has getaddrinfo() but has it renamed in libc as
+ # something else so we must include <netdb.h> to get the
+ # redefinition.
+ AC_CHECK_FUNCS(getaddrinfo, ,
+ [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
+ AC_TRY_LINK([#include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netdb.h>],[getaddrinfo(NULL, NULL, NULL, NULL);],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_GETADDRINFO, 1,
+ [Define if you have the `getaddrinfo' function.])],
+ [AC_MSG_RESULT([no])
+ AC_LIBOBJ(lib/getaddrinfo)])])
+ AC_CHECK_FUNCS(getnameinfo, , AC_LIBOBJ(lib/getnameinfo))
+else
+ AC_LIBOBJ(lib/getaddrinfo)
+ AC_LIBOBJ(lib/getnameinfo)
+fi