From 0035c67eb55967c1f96f6d3ca538196ade340f47 Mon Sep 17 00:00:00 2001
From: Peter Kokot <peterkokot@gmail.com>
Date: Thu, 30 May 2024 18:10:47 +0200
Subject: [PATCH] Use AC_DEFINE_UNQUOTED where variables are present

According to Autoconf docs and upstream code, AC_DEFINE_UNQUOTED must be
used where variables are present in the arguments.

Follow up of GH-13552
---
 ext/ffi/config.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/ffi/config.m4 b/ext/ffi/config.m4
index 22b8ba8d0a9f..76b8dc5bb766 100644
--- a/ext/ffi/config.m4
+++ b/ext/ffi/config.m4
@@ -15,7 +15,7 @@ if test "$PHP_FFI" != "no"; then
 
   AC_DEFUN([PHP_FFI_CHECK_DECL],
     [AC_CHECK_DECL([$1],
-      [AC_DEFINE(AS_TR_CPP([HAVE_$1]), [1],
+      [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1]), [1],
         [Whether libffi supports the '$1' calling convention.])],,
       [#include <ffi.h>])])