https://git.ruby-lang.org/ruby.git/commit/?id=c89c3801b9

From c89c3801b985916b6fb6726aab966d28371dfaaa Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Mon, 11 May 2020 03:17:08 +0900
Subject: BASERUBY have to be 1.9 or later at least [Bug #16845]

Many tools under tool directory haven't worked with ruby 1.8.

diff --git a/configure.ac b/configure.ac
index 0437841..5993cf5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -34,11 +34,9 @@ AC_ARG_WITH(baseruby, https://github.com/ruby/ruby/blob/trunk/configure.ac#L34
 	[
 		AC_PATH_PROG([BASERUBY], [ruby], [false])
 	])
-AS_IF([test "$HAVE_BASERUBY" = yes -a "`RUBYOPT=- $BASERUBY -e 'print 42' 2>/dev/null`" = 42], [
-    AS_IF([test "`RUBYOPT=- $BASERUBY --disable=gems -e 'print 42' 2>/dev/null`" = 42], [
-	BASERUBY="$BASERUBY --disable=gems"
-        BASERUBY_VERSION=`$BASERUBY -v`
-    ])
+AS_IF([test "$HAVE_BASERUBY" = yes -a "`RUBYOPT=- $BASERUBY --disable=gems -e 'print 42' 2>/dev/null`" = 42], [
+    BASERUBY="$BASERUBY --disable=gems"
+    BASERUBY_VERSION=`$BASERUBY -v`
     $BASERUBY -C "$srcdir" tool/downloader.rb -d tool -e gnu config.guess config.sub >&AS_MESSAGE_FD
 ], [
     BASERUBY="echo executable host ruby is required.  use --with-baseruby option.; false"
-- 
cgit v0.10.2


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