From 32fc382e9e2034daaad52cabc36bcc6c06d0e292 Mon Sep 17 00:00:00 2001
From: Po Lu <luangruo@yahoo.com>
Date: Fri, 21 Nov 2025 10:01:10 +0800
Subject: [PATCH] Disable C23 for Android builds

* configure.ac (ac_cv_prog_cc_c23): Define to no when
configuring for Android.
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index 44d9cae1e7e..db4cc277e48 100644
--- a/configure.ac
+++ b/configure.ac
@@ -49,6 +49,10 @@ if test "$XCONFIGURE" = "android"; then
     CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=32"
     enable_largefile=no
     enable_year2038=no])
+  # C23 cannot be enabled for Android builds on account of
+  # incompatibilities in many external dependencies (glib, librsvg,
+  # etc.) and system headers.
+  ac_cv_prog_cc_c23=no
 fi
 
 dnl Set emacs_config_options to the options of 'configure', quoted for the shell,