more granular configure checks for clock_* functions (closes #28081)
diff --git a/pyconfig.h.in b/pyconfig.h.in
index d3f61f7..02d283f 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -125,6 +125,9 @@
 /* Define to 1 if you have the `clock_gettime' function. */
 #undef HAVE_CLOCK_GETTIME
 
+/* Define to 1 if you have the `clock_settime' function. */
+#undef HAVE_CLOCK_SETTIME
+
 /* Define if the C compiler supports computed gotos. */
 #undef HAVE_COMPUTED_GOTOS