Add dlwrap.c to binutils to simulate dlopen/dlsym for gold plugin

binutils-2.20/bfd/Makefile.in

 # Makefile.in generated by automake 1.11.1 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
 # 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
 # Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
@@ skipping 318 matching lines @@
         @SHARED_LDFLAGS@ $(am__empty)
 @INSTALL_LIBBFD_TRUE@bfdlib_LTLIBRARIES = libbfd.la
 @INSTALL_LIBBFD_FALSE@bfdinclude_HEADERS = $(am__append_2)
 @INSTALL_LIBBFD_TRUE@bfdinclude_HEADERS = $(BFD_H) \
 @INSTALL_LIBBFD_TRUE@   $(INCDIR)/ansidecl.h $(INCDIR)/symcat.h \
 @INSTALL_LIBBFD_TRUE@   $(INCDIR)/bfdlink.h $(am__append_2)
 @INSTALL_LIBBFD_FALSE@rpath_bfdlibdir = @bfdlibdir@
 @INSTALL_LIBBFD_FALSE@noinst_LTLIBRARIES = libbfd.la
 AM_CFLAGS = $(WARN_CFLAGS)
 AM_CPPFLAGS = -DBINDIR='"$(bindir)"'
-@PLUGINS_TRUE@LIBDL = -ldl
+@PLUGINS_TRUE@LIBDL = -ldlwrap -lstdc++ -lm -ldl -lpthread
 
 # bfd.h goes here, for now
 BFD_H = bfd.h
 
 # Jim Kingdon notes:
 # Writing S-records should be included in all (or at least most)
 # *-*-coff, *-*-aout, etc., configurations, because people will want to
 # be able to use objcopy to create S-records.  (S-records are not useful
 # for the debugger, so if you are downloading things as S-records you
 # need two copies of the executable, one to download and one for the
@@ skipping 1666 matching lines @@
 coff-tic54x.lo: coff-tic54x.c
 @am__fastdepCC_TRUE@    $(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $< $(NO_WERROR)
 @am__fastdepCC_TRUE@    $(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
 @AMDEP_TRUE@@am__fastdepCC_FALSE@       source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@       DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@   $(LTCOMPILE) -c -o $@ $< $(NO_WERROR)
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT: