+dnl
+dnl ------ Headers
+AC_CHECK_HEADERS(dirent.h fnmatch.h wchar.h locale.h langinfo.h pwd.h sys/select.h sys/socket.h sys/stat.h sys/time.h sys/types.h sys/un.h sys/wait.h unistd.h)
+AC_HEADER_STDC
+if test "$ac_cv_header_stdc" = "no"; then
+ AC_MSG_WARN(Your system doesn't seem to support ANSI C)
+fi
+dnl ----- Types
+AC_CHECK_TYPES([long long])
+dnl