PR ld/12742

        * configure.in (AC_CHECK_HEADERS): Test for windows.h and dlfcn.h.
        * plugin.c: Guard include of dlfcn.h if HAVE_DLFCN_H is defined.
        Add windows.h header include if HAVE_WINDOWS_H is defined.
        (dlerror): New static function if windows variant is used instead
        of dlfcn.h.
        (dlclose): Likewise.
        (dlopen): Likewise.
        (dlsym): Likewise.
        * configure: Regenerated.
        * config.in: Regenerated.

1 files changed, 37 insertions, 0 deletions

diff --git a/bfd/plugin.c b/bfd/plugin.c
index 064e273128..0a29e378d5 100644
--- a/bfd/plugin.c
+++ b/bfd/plugin.c
@@ -25,7 +25,13 @@
 #if BFD_SUPPORTS_PLUGINS
 
 #include <assert.h>
+#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
 #include <stdarg.h>
 #include "plugin-api.h"
 #include "sysdep.h"
@@ -34,6 +40,37 @@
 #include "libiberty.h"
 #include <dirent.h>
 
+#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 GetProcAddress (handle, name);
+}
+
+static int ATTRIBUTE_UNUSED
+dlclose (void *handle)
+{
+  FreeLibrary (handle);
+  return 0;
+}
+
+static const char *
+dlerror (void)
+{
+  return "Unable to load DLL.";
+}
+
+#endif /* !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)  */
+
 #define bfd_plugin_close_and_cleanup                  _bfd_generic_close_and_cleanup
 #define bfd_plugin_bfd_free_cached_info               _bfd_generic_bfd_free_cached_info
 #define bfd_plugin_new_section_hook                   _bfd_generic_new_section_hook