Define SSL backends separately

picnixz · AA-Turner · web-flow · commit c1ae0f6d30aa · 2025-09-29T15:56:22.000+02:00
Co-authored-by: Adam Turner &lt;9087854+AA-Turner@users.noreply.github.com&gt;
diff --git a/Doc/tools/extensions/availability.py b/Doc/tools/extensions/availability.py
@@ -42,16 +42,17 @@
     "glibc",
     "musl",
 })
-_EXTRAS = frozenset({
+_THREADING = frozenset({
     # POSIX platforms with pthreads
     "pthreads",
-    # SSL backends
+})
+_SSL_BACKENDS = frozenset({
     "OpenSSL",
     "AWS-LC",
     "LibreSSL",
     "BoringSSL",
 })
-KNOWN_PLATFORMS = _PLATFORMS | _LIBC | _EXTRAS
+KNOWN_PLATFORMS = _PLATFORMS | _LIBC | _THREADING | _SSL_BACKENDS
 
 
 class Availability(SphinxDirective):
