add back SIZEOF_UINTPTR_T
diff --git a/configure b/configure
index 5858af6..a7b976a 100755
--- a/configure
+++ b/configure
@@ -8347,6 +8347,39 @@
_ACEOF
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of uintptr_t" >&5
+$as_echo_n "checking size of uintptr_t... " >&6; }
+if ${ac_cv_sizeof_uintptr_t+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (uintptr_t))" "ac_cv_sizeof_uintptr_t" "$ac_includes_default"; then :
+
+else
+ if test "$ac_cv_type_uintptr_t" = yes; then
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (uintptr_t)
+See \`config.log' for more details" "$LINENO" 5; }
+ else
+ ac_cv_sizeof_uintptr_t=0
+ fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_uintptr_t" >&5
+$as_echo "$ac_cv_sizeof_uintptr_t" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_UINTPTR_T $ac_cv_sizeof_uintptr_t
+_ACEOF
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for long double support" >&5
$as_echo_n "checking for long double support... " >&6; }