https://git.ruby-lang.org/ruby.git/commit/?id=b7d86e330c

From b7d86e330c76b4f9615511307e1c40f4f2937c83 Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@r...>
Date: Tue, 8 Sep 2020 20:39:23 +0900
Subject: Workaroud for macOS Big Sur(11.0)


diff --git a/test/fiddle/helper.rb b/test/fiddle/helper.rb
index 585900d..f5ccedd 100644
--- a/test/fiddle/helper.rb
+++ b/test/fiddle/helper.rb
@@ -122,6 +122,11 @@ end https://github.com/ruby/ruby/blob/trunk/test/fiddle/helper.rb#L122
 libc_so = nil if !libc_so || (libc_so[0] == ?/ && !File.file?(libc_so))
 libm_so = nil if !libm_so || (libm_so[0] == ?/ && !File.file?(libm_so))
 
+# macOS 11.0+ removed libSystem.B.dylib from /usr/lib. But It works with dlopen.
+if RUBY_PLATFORM =~ /darwin/
+  libc_so = libm_so = "/usr/lib/libSystem.B.dylib"
+end
+
 if !libc_so || !libm_so
   ruby = EnvUtil.rubybin
   # When the ruby binary is 32-bit and the host is 64-bit,
-- 
cgit v0.10.2


--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/