From 1fbea3bef7065455a760e512a5a908a21022536a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 5 Jan 2003 08:50:21 +0000
Subject: [PATCH] * ext/extmk.rb (extmake): set $0 temporarily while loading  
 extconf.rb.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3293 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog    |  5 +++++
 ext/extmk.rb | 24 ++++++++++++++----------
 2 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 45f836873f..3123bf8c7c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Jan  5 17:44:37 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
+
+	* ext/extmk.rb (extmake): set $0 temporarily while loading
+	  extconf.rb.
+
 Sun Jan  5 14:46:46 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* instruby.rb: need paren in regexp(make -n install).
diff --git a/ext/extmk.rb b/ext/extmk.rb
index 1280daf118..f8e983ebf6 100644
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -66,14 +66,21 @@ def extmake(target)
 	$defs = []
 	Logging::logfile 'mkmf.log'
 	Config::CONFIG["srcdir"] = $srcdir
-	if File.exist?("#{$srcdir}/makefile.rb")
-	  load "#{$srcdir}/makefile.rb"
-	elsif File.exist?("#{$srcdir}/extconf.rb")
-	  load "#{$srcdir}/extconf.rb"
-	else
-	  create_makefile(target)
+	begin
+	  if File.exist?($0 = "#{$srcdir}/makefile.rb")
+	    load $0
+	  elsif File.exist?($0 = "#{$srcdir}/extconf.rb")
+	    load $0
+	  else
+	    create_makefile(target)
+	  end
+	rescue SystemExit
+	  # ignore
+	ensure
+	  rm_f "conftest*"
+	  $0 = __FILE__
+	  Config::CONFIG["srcdir"] = $top_srcdir
 	end
-	Config::CONFIG["srcdir"] = $top_srcdir
       end
     end
     if File.exist?("./Makefile")
@@ -96,10 +103,7 @@ def extmake(target)
       $extlibs += " " + $libs unless $libs == ""
       $extlibs += " " + $LOCAL_LIBS unless $LOCAL_LIBS == ""
     end
-  rescue SystemExit
-    # ignore
   ensure
-    rm_f "conftest*"
     Dir.chdir dir
   end
   true