From a7ec244cc7f875936042ea4872c4d4d89eb86d29 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 2 Sep 2004 16:54:35 +0000
Subject: * ext/extmk.rb (extmake): extact target prefix from Makefiles.

* ext/extmk.rb: already built-in libraries satisfy dependencies.
  [ruby-dev:24028]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6849 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/extmk.rb | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'ext/extmk.rb')

diff --git a/ext/extmk.rb b/ext/extmk.rb
index 7d49f49e39..c41354bf46 100644
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -103,7 +103,11 @@ def extmake(target)
       else
 	if $static
 	  m = File.read(makefile)
-	  $target = m[/^TARGET[ \s]*=[ \s]*(\S*)/, 1] or $static = nil
+	  if !($target = m[/^TARGET[ \t]*=[ \t]*(\S*)/, 1])
+	    $static = nil
+	  elsif target_prefix = m[/^target_prefix[ \t]*=[ \t]*\/(.*)/, 1]
+	    $target = "#{target_prefix}/#{$target}"
+	  end
 	  /^STATIC_LIB[ \t]*=[ \t]*\S+/ =~ m or $static = nil
 	  $preload = Shellwords.shellwords(m[/^preload[ \t]*=[ \t]*(.*)/, 1] || "")
 	  $DLDFLAGS += " " + (m[/^DLDFLAGS[ \t]*=[ \t]*(.*)/, 1] || "")
@@ -353,9 +357,10 @@ if $extlist.size > 0
   $extinit ||= ""
   $extobjs ||= ""
   list = $extlist.dup
+  built = []
   while e = list.shift
     s,t,i,r = e
-    if r and !r.empty?
+    if r and !(r -= built).empty?
       l = list.size
       if (while l > 0; break true if r.include?(list[l-=1][1]) end)
         list.insert(l + 1, e)
@@ -366,6 +371,7 @@ if $extlist.size > 0
     if File.exist?(f)
       $extinit += "\tinit(Init_#{i}, \"#{t}.so\");\n"
       $extobjs += "ext/#{f} "
+      built << t
     end
   end
 
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