From b68f2a4bba4ca8cf94aba5dc691c88b93901606a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 3 Oct 2018 06:48:35 +0000
Subject: [PATCH] Use cd -P

Setting PWD in the process does not let `cd` traverse symlinks in
/bin/sh on macOS.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64906 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index fb7c5c97d8..df1ef8cf2e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -262,7 +262,7 @@ AS_CASE(["$build_os"],
 	@%:@error ignore linker warnings
 	@%:@endif
 SRC
-	CC_WRAPPER=`PWD=; cd "$srcdir/tool" && pwd`/darwin-cc
+	CC_WRAPPER=`cd -P "$srcdir/tool" && pwd`/darwin-cc
 	CC="$CC_WRAPPER $CC"
     ])
   ])