+altos (1.9.19-2) unstable; urgency=medium
+
+ * cherry-pick patch from master branch that fixes FTBFS due to needing
+ another include, closes: #1082677
+
+ -- Bdale Garbee <bdale@gag.com> Thu, 26 Sep 2024 11:08:46 -0600
+
altos (1.9.19-1) unstable; urgency=medium
[ Bdale Garbee ]
--- /dev/null
+From 9694440cd501a9b170fec7c85fe57f1e4fe749b3 Mon Sep 17 00:00:00 2001
+From: Keith Packard <keithp@keithp.com>
+Date: Thu, 26 Sep 2024 08:23:48 -0700
+Subject: [PATCH] src: Add more includes to ao.h
+
+This makes sure altos has all of the C library definitions it needs
+rather than on relying on the C library to expose more than POSIX
+says it should.
+
+Signed-off-by: Keith Packard <keithp@keithp.com>
+---
+ src/kernel/ao.h | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/kernel/ao.h b/src/kernel/ao.h
+index b3f780f5c..0437cb07f 100644
+--- a/src/kernel/ao.h
++++ b/src/kernel/ao.h
+@@ -19,10 +19,11 @@
+ #ifndef _AO_H_
+ #define _AO_H_
+
+-#include <stdint.h>
++#include <inttypes.h>
+ #include <stdio.h>
+ #include <string.h>
+ #include <stddef.h>
++#include <stdarg.h>
+ #include <stdbool.h>
+ #include <ao_pins.h>
+ #include <ao_arch.h>
+--
+2.45.2
+