https://git.ruby-lang.org/ruby.git/commit/?id=95aff21468

From 95aff214687a5e12c3eb57d056665741e734c188 Mon Sep 17 00:00:00 2001
From: TAKANO Mitsuhiro <takano32@g...>
Date: Fri, 25 Dec 2020 12:06:46 +0900
Subject: Disable DTrace in FreeBSD (#3999)

The latest ruby cannot compile with FreeBSD Dtrace enabled.

diff --git a/configure.ac b/configure.ac
index ebbe24a..c143c23 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3422,6 +3422,9 @@ AS_CASE(["${enable_dtrace}"], https://github.com/ruby/ruby/blob/trunk/configure.ac#L3422
 ], [
     rb_cv_dtrace_available=no
 ])
+AS_CASE(["$target_os"],[freebsd*],[
+         rb_cv_dtrace_available=no
+	 ])
 AS_IF([test "${enable_dtrace}" = yes], [dnl
     AS_IF([test -z "$DTRACE"], [dnl
 	AC_MSG_ERROR([dtrace(1) is missing])
-- 
cgit v0.10.2


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