Initial revision

diff --git a/m4/uintmax_t.m4 b/m4/uintmax_t.m4
new file mode 100644 (file)
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+++ b/m4/uintmax_t.m4
@@ -0,0 +1,22 @@
+#serial 4
+
+dnl From Paul Eggert.
+
+AC_PREREQ(2.14a)
+
+# Define uintmax_t to `unsigned long' or `unsigned long long'
+# if <inttypes.h> does not exist.
+
+AC_DEFUN(jm_AC_TYPE_UINTMAX_T,
+[
+  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
+  if test $jm_ac_cv_header_inttypes_h = no; then
+    AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
+    test $ac_cv_type_unsigned_long_long = yes \
+      && ac_type='unsigned long long' \
+      || ac_type='unsigned long'
+    AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
+[  Define to `unsigned long' or `unsigned long long'
+   if <inttypes.h> doesn't define.])
+  fi
+])