From 32458a01eba62f1468e6fc4ad858b228a5425966 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 2 Mar 2013 16:17:22 +0000
Subject: ext_conf_builder.rb: hack for obsolete sytle gems

* lib/rubygems/ext/ext_conf_builder.rb
  (Gem::Ext::ExtConfBuilder.hack_for_obsolete_sytle_gems): remove
  circular dependencies for old style gems which locate extconf.rb on
  the toplevel.  [ruby-core:53059] [ruby-trunk - Bug #7698]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39560 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rubygems/ext/ext_conf_builder.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'lib/rubygems/ext/ext_conf_builder.rb')

diff --git a/lib/rubygems/ext/ext_conf_builder.rb b/lib/rubygems/ext/ext_conf_builder.rb
index e11a1cdfbc..f3fc5d8e30 100644
--- a/lib/rubygems/ext/ext_conf_builder.rb
+++ b/lib/rubygems/ext/ext_conf_builder.rb
@@ -11,6 +11,18 @@ require 'tempfile'
 
 class Gem::Ext::ExtConfBuilder < Gem::Ext::Builder
 
+  def self.hack_for_obsolete_sytle_gems(directory)
+    return unless directory and File.identical?(directory, ".")
+    mf = Gem.read_binary 'Makefile'
+    changed = false
+    changed |= mf.gsub!(/^(install-rb-default:)(.*)/) {
+      "#$1#{$2.gsub(/(?:^|\s+)\$\(RUBY(?:ARCH|LIB)DIR\)\/\S+(?=\s|$)/, '')}"
+    }
+    if changed
+      File.open('Makefile', 'wb') {|f| f.print mf}
+    end
+  end
+
   def self.build(extension, directory, dest_path, results, args=[])
     siteconf = Tempfile.open(%w"siteconf .rb", ".") do |f|
       f.puts "require 'rbconfig'"
@@ -28,6 +40,8 @@ class Gem::Ext::ExtConfBuilder < Gem::Ext::Builder
 
     run cmd, results
 
+    hack_for_obsolete_sytle_gems directory
+
     make dest_path, results
 
     results
-- 
cgit v1.2.3