https://git.ruby-lang.org/ruby.git/commit/?id=cdef17096c

From cdef17096c03099f17ecf0af51f43faa0944f96d Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@r...>
Date: Tue, 8 Sep 2020 20:38:01 +0900
Subject: libSystem.dylib is also symlink. Use libSystem.B.dylib


diff --git a/test/fiddle/helper.rb b/test/fiddle/helper.rb
index 291fd2f..585900d 100644
--- a/test/fiddle/helper.rb
+++ b/test/fiddle/helper.rb
@@ -55,7 +55,7 @@ when /mingw/, /mswin/ https://github.com/ruby/ruby/blob/trunk/test/fiddle/helper.rb#L55
   crtname = RbConfig::CONFIG["RUBY_SO_NAME"][/msvc\w+/] || 'ucrtbase'
   libc_so = libm_so = "#{crtname}.dll"
 when /darwin/
-  libc_so = libm_so = "/usr/lib/libSystem.dylib"
+  libc_so = libm_so = "/usr/lib/libSystem.B.dylib"
 when /kfreebsd/
   libc_so = "/lib/libc.so.0.1"
   libm_so = "/lib/libm.so.1"
-- 
cgit v0.10.2


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