Issue #25003: On Solaris 11.3 or newer, os.urandom() now uses the getrandom()
function instead of the getentropy() function. The getentropy() function is
blocking to generate very good quality entropy, os.urandom() doesn't need such
high-quality entropy.
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 0d40c94..b0cafb3 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -395,6 +395,9 @@
/* Define to 1 if you have the `getpwent' function. */
#undef HAVE_GETPWENT
+/* Define to 1 if the getrandom() function is available */
+#undef HAVE_GETRANDOM
+
/* Define to 1 if the Linux getrandom() syscall is available */
#undef HAVE_GETRANDOM_SYSCALL