Issue #7272, continued:  don't re-use existing HAVE_BROKEN_POSIX_SEMAPHORES
to indicate that semaphores aren't available;  define a new variable
POSIX_SEMAPHORES_NOT_ENABLED instead.
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 5900cb0..7541213 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -909,6 +909,9 @@
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION
 
+/* Define if POSIX semaphores aren't enabled on your system */
+#undef POSIX_SEMAPHORES_NOT_ENABLED
+
 /* Defined if PTHREAD_SCOPE_SYSTEM supported. */
 #undef PTHREAD_SYSTEM_SCHED_SUPPORTED