From 0bf402d505d293fd9ceaa6bf7ca7bd4d910fd545 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@airs.com>
Date: Fri, 11 Jan 2013 14:36:36 +0000
Subject: 	Fix mingw gold build with plugins enabled 	* Makefile.am:
 Replace -ldl with @DLOPEN_LIBS@. 	* configure.ac: Export DLOPEN_LIBS and
 add headers check. 	* plugin.cc: Handle non-dlfcn case. 	* Makefile.in:
 Regenerate. 	* config.in: Regenerate. 	* configure: Regenerate. 
 * testsuite/Makefile.in: Regenerate.

---
 gold/plugin.cc | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

(limited to 'gold/plugin.cc')

diff --git a/gold/plugin.cc b/gold/plugin.cc
index c39e11ecf9..9176e066ef 100644
--- a/gold/plugin.cc
+++ b/gold/plugin.cc
@@ -1,6 +1,6 @@
 // plugin.cc -- plugin manager for gold      -*- C++ -*-
 
-// Copyright 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
 // Written by Cary Coutant <ccoutant@google.com>.
 
 // This file is part of gold.
@@ -29,9 +29,39 @@
 #include <vector>
 
 #ifdef ENABLE_PLUGINS
+#ifdef HAVE_DLFCN_H
 #include <dlfcn.h>
+#elif defined (HAVE_WINDOWS_H)
+#include <windows.h>
+#else
+#error Unknown how to handle dynamic-load-libraries.
 #endif
 
+#if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)
+
+#define RTLD_NOW 0      /* Dummy value.  */
+static void *
+dlopen(const char *file, int mode ATTRIBUTE_UNUSED)
+{
+  return LoadLibrary(file);
+}
+
+static void *
+dlsym(void *handle, const char *name)
+{
+  return reinterpret_cast<void *>(
+     GetProcAddress(static_cast<HMODULE>(handle),name));
+}
+
+static const char *
+dlerror(void)
+{
+  return "unable to load dll";
+}
+
+#endif /* !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)  */
+#endif /* ENABLE_PLUGINS */
+
 #include "parameters.h"
 #include "errors.h"
 #include "fileread.h"
-- 
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