diff --git a/pyconfig.h.in b/pyconfig.h.in
index 223c996..b8404f3 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -314,6 +314,12 @@
 /* Define to 1 if you have the `getpwent' function. */
 #undef HAVE_GETPWENT
 
+/* Define to 1 if you have the `getresgid' function. */
+#undef HAVE_GETRESGID
+
+/* Define to 1 if you have the `getresuid' function. */
+#undef HAVE_GETRESUID
+
 /* Define to 1 if you have the `getsid' function. */
 #undef HAVE_GETSID
 
@@ -578,6 +584,12 @@
 /* Define to 1 if you have the `setregid' function. */
 #undef HAVE_SETREGID
 
+/* Define to 1 if you have the `setresgid' function. */
+#undef HAVE_SETRESGID
+
+/* Define to 1 if you have the `setresuid' function. */
+#undef HAVE_SETRESUID
+
 /* Define to 1 if you have the `setreuid' function. */
 #undef HAVE_SETREUID