diff --git a/meson.options b/meson.options
index f919ad8..73c23be 100644
--- a/meson.options
+++ b/meson.options
@@ -31,3 +31,9 @@
     type: 'feature',
     description: 'Support logging to syslog',
 )
+option(
+    'custom_alloc',
+    type: 'boolean',
+    value: false,
+    description: 'Use fixed application-provided allocators',
+)