Fix building with 1.8 BASERUBY

3 files changed, 6 insertions, 5 deletions

diff --git a/tool/colorize.rb b/tool/colorize.rb
index 1cbbeef543..92076b9928 100644
--- a/tool/colorize.rb
+++ b/tool/colorize.rb
@@ -4,7 +4,7 @@ class Colorize
   def initialize(color = nil)
     @colors = @reset = nil
     if color or (color == nil && STDOUT.tty?)
-      if (/\A\e\[.*m\z/ =~ IO.popen("tput smso", "r", err: IO::NULL, &:read) rescue nil)
+      if (/\A\e\[.*m\z/ =~ IO.popen("tput smso", "r", :err => IO::NULL, &:read) rescue nil)
         @beg = "\e["
         @colors = (colors = ENV['TEST_COLORS']) ? Hash[colors.scan(/(\w+)=([^:\n]*)/)] : {}
         @reset = "#{@beg}m"
diff --git a/tool/downloader.rb b/tool/downloader.rb
index f42f9a0ef1..6e03f3b5a3 100644
--- a/tool/downloader.rb
+++ b/tool/downloader.rb
@@ -1,4 +1,4 @@
-# Used by configure and make to download or update mirrored Ruby and GCC
+#6 Used by configure and make to download or update mirrored Ruby and GCC
 # files. This will use HTTPS if possible, falling back to HTTP.
 
 require 'fileutils'
@@ -173,7 +173,7 @@ class Downloader
       if cache_save
         save_cache(cache, file, name)
       end
-      return file.to_path
+      return file.respond_to?(:to_path) ? file.to_path : file.to_s
     end
     if dryrun
       puts "Download #{url} into #{file}"
diff --git a/tool/generic_erb.rb b/tool/generic_erb.rb
index 3904b570c4..456a8e138b 100644
--- a/tool/generic_erb.rb
+++ b/tool/generic_erb.rb
@@ -33,8 +33,9 @@ unchanged = color.pass("unchanged")
 updated = color.fail("updated")
 
 result = templates.map do |template|
-  if ERB.instance_method(:initialize).parameters.assoc(:key) # Ruby 2.6+
-    erb = ERB.new(File.read(template), trim_mode: '%-')
+  method = ERB.instance_method(:initialize)
+  if method.respond_to?(:parameters) && method.parameters.assoc(:key) # Ruby 2.6+
+    erb = ERB.new(File.read(template), :trim_mode => '%-')
   else
     erb = ERB.new(File.read(template), nil, '%-')
   end