From a1c2758e2f74252ecf718fa326f1060822c4e142 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sat, 1 Mar 2014 01:03:03 +0000
Subject: build: attempt to fix --with-static-ext

Most warnings are suppressed and dependencies fixed.
However, loading the mathn/complex and mathn/rational extensions
means we cannot pass tests.
---
 ext/extmk.rb           | 15 +++++++++++++--
 ext/openssl/extconf.rb |  1 +
 ext/psych/extconf.rb   |  1 +
 load.c                 |  3 +++
 4 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/ext/extmk.rb b/ext/extmk.rb
index ef9afa0676..1e6ba177c0 100755
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -250,7 +250,9 @@ def extmake(target)
     end
     if $static and ok and !$objs.empty? and !noinstall
       args += ["static"] unless $clean
-      $extlist.push [$static, target, $target, $preload]
+      feature_rb = "#$srcdir/lib/#{target}.rb"
+      postload = File.exist?(feature_rb)
+      $extlist.push [$static, target, $target, $preload, postload]
     end
     FileUtils.rm_f(old_cleanfiles - $distcleanfiles)
     FileUtils.rm_f(old_objs - $objs)
@@ -556,7 +558,7 @@ unless $extlist.empty?
   list = $extlist.dup
   built = []
   while e = list.shift
-    _, target, feature, required = e
+    _, target, feature, required, postload = e
     if required and !(required -= built).empty?
       l = list.size
       if (while l > 0; break true if required.include?(list[l-=1][1]) end)
@@ -566,6 +568,15 @@ unless $extlist.empty?
     end
     base = File.basename(feature)
     $extinit << "    init(Init_#{base}, \"#{feature}.so\");\n"
+    if postload
+      case feature
+      when "dl" # special case for deprecated libs
+      else
+        $extinit << "    rb_require(\"#{feature}\");\n"
+      end
+    else
+      $extinit << "    rb_provide(\"#{feature}\");\n"
+    end
     $extobjs << format("ext/%s/%s.%s", target, base, $LIBEXT)
     built << target
   end
diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
index e272cba092..e156a9a963 100644
--- a/ext/openssl/extconf.rb
+++ b/ext/openssl/extconf.rb
@@ -17,6 +17,7 @@
 
 require "mkmf"
 require File.expand_path('../deprecation', __FILE__)
+$preload = %w[stringio.so]
 
 dir_config("openssl")
 dir_config("kerberos")
diff --git a/ext/psych/extconf.rb b/ext/psych/extconf.rb
index 65e83a3554..1ff8ddb9ba 100644
--- a/ext/psych/extconf.rb
+++ b/ext/psych/extconf.rb
@@ -1,6 +1,7 @@
 # -*- coding: us-ascii -*-
 require 'mkmf'
 require 'fileutils'
+$preload = %w[stringio.so]
 
 # :stopdoc:
 
diff --git a/load.c b/load.c
index 811d03511f..e88abfbb0c 100644
--- a/load.c
+++ b/load.c
@@ -1059,10 +1059,13 @@ ruby_init_ext(const char *name, void (*init)(void))
 {
     st_table *loading_tbl = get_loading_table();
 
+    if (rb_provided(name))
+	return;
     if (!loading_tbl) {
 	GET_VM()->loading_table = loading_tbl = st_init_strtable();
     }
     st_update(loading_tbl, (st_data_t)name, register_init_ext, (st_data_t)init);
+    rb_provide(name);
 }
 
 /*
-- 
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