From 47d3ce4545055f9472bfe4deace8d00ea55e31c8 Mon Sep 17 00:00:00 2001
From: Peter Kokot <peterkokot@gmail.com>
Date: Sun, 14 Jul 2024 20:38:57 +0200
Subject: [PATCH] Autotools: Quote RE2C_FLAGS argument (#14950)

This enables and simplifies adding blank-or-newline-separated global
re2c flags to the PHP_PROG_RE2C macro possibly at some point. Fixed just
in case, so this works normally:

    PHP_PROG_RE2C([1.0.3], [--no-generation-date -W -foo])
---
 build/php.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build/php.m4 b/build/php.m4
index 185606adea9..d06375c94f3 100644
--- a/build/php.m4
+++ b/build/php.m4
@@ -1740,7 +1740,7 @@ AC_DEFUN([PHP_PROG_RE2C],[
   esac
 
   PHP_SUBST([RE2C])
-  AS_VAR_SET([RE2C_FLAGS], [m4_normalize([$2])])
+  AS_VAR_SET([RE2C_FLAGS], [m4_normalize(["$2"])])
   PHP_SUBST([RE2C_FLAGS])
 ])