https://git.ruby-lang.org/ruby.git/commit/?id=1dfe007e16

From 1dfe007e1696128ff0d3ec78e54d3406073f7727 Mon Sep 17 00:00:00 2001
From: Jeremiah Gowdy <jgowdy@g...>
Date: Thu, 16 Jun 2022 10:29:28 -0700
Subject: Update configure.ac

Co-authored-by: Nobuyoshi Nakada <nobu@r...>
---
 configure.ac | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/configure.ac b/configure.ac
index ef3f521a6d..7bfc2a03ef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -782,14 +782,11 @@ AS_IF([test "$GCC" = yes], [ https://github.com/ruby/ruby/blob/trunk/configure.ac#L782
 
     # aarch64 branch protection
     AS_CASE(["$target_cpu"], [aarch64], [
-        branch_protection=no
-        RUBY_TRY_CFLAGS(-mbranch-protection=pac-ret,[branch_protection=yes])
-        AS_IF([test "x$branch_protection" = xyes], [
-            RUBY_APPEND_OPTION(XCFLAGS, -mbranch-protection=pac-ret)
-        ],
-        [
-            RUBY_TRY_CFLAGS(-msign-return-address=all, [
-                RUBY_APPEND_OPTION(XCFLAGS, -msign-return-address=all)
+	AS_FOR(option, opt, [-mbranch-protection=pac-ret -msign-return-address=all], [
+            RUBY_TRY_CFLAGS(option, [branch_protection=yes], [branch_protection=no])
+            AS_IF([test "x$branch_protection" = xyes], [
+                RUBY_APPEND_OPTION(XCFLAGS, option)
+                break
             ])
         ])
     ])
-- 
cgit v1.2.1


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