*** empty log message ***

diff --git a/m4/ulonglong.m4 b/m4/ulonglong.m4
new file mode 100644 (file)
index 0000000..afc765a
--- /dev/null
+++ b/m4/ulonglong.m4
@@ -0,0 +1,16 @@
+#serial 1
+
+dnl From Paul Eggert.
+
+AC_DEFUN(jm_AC_TYPE_UNSIGNED_LONG_LONG,
+[
+  AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
+  [AC_TRY_COMPILE([],
+    [unsigned long long i = (unsigned long long) -1;],
+    ac_cv_type_unsigned_long_long=yes,
+    ac_cv_type_unsigned_long_long=no)])
+  if test $ac_cv_type_unsigned_long_long = yes; then
+    AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
+      [Define if you have the unsigned long long type.])
+  fi
+])