$NetBSD: patch-ab,v 1.1 2015/04/25 10:32:07 wiz Exp $

Enable building the shared libstdc++

also make the sersion number the same as the one we ship with netbsd-1.6 as
we use the same sources.

--- libstdc++/Makefile.in.orig	2011-07-12 16:44:41.000000000 +0400
+++ libstdc++/Makefile.in	2011-07-12 16:56:07.000000000 +0400
@@ -14,7 +14,7 @@
 # along with this library; see the file COPYING.  If not, write to the Free
 # Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-VERSION = 2.10.0nb1
+VERSION = 4.0
 INTERFACE = 3
 
 gxx_include_dir=${includedir}/g++
@@ -43,7 +43,7 @@
 
 STAMP   = bigstmp
 
-LIBS    = $(ARLIB) $(ARLINK)
+LIBS    = $(ARLIB) $(ARLINK) $(SHLIB) $(SHLINK)
 
 #### package, host, target, and site dependent Makefile fragments come in here.
 ##
@@ -263,34 +263,34 @@
 	if [ -z "$(MULTISUBDIR)" ]; then \
 	  cd $(srcdir); \
 	  for FILE in $(HEADERS); do \
-	    rm -f $(gxx_include_dir)/$$FILE ; \
+	    rm -f $(DESTDIR)$(gxx_include_dir)/$$FILE ; \
 	    if [ -f stl/$$FILE ]; then \
-	      $(INSTALL_DATA) stl/$$FILE $(gxx_include_dir)/$$FILE ; \
+	      $(INSTALL_DATA) stl/$$FILE $(DESTDIR)$(gxx_include_dir)/$$FILE ; \
 	    else \
-	      $(INSTALL_DATA) $$FILE $(gxx_include_dir)/$$FILE ; \
+	      $(INSTALL_DATA) $$FILE $(DESTDIR)$(gxx_include_dir)/$$FILE ; \
 	    fi ; \
-	    chmod a-x $(gxx_include_dir)/$$FILE ; \
+	    chmod a-x $(DESTDIR)$(gxx_include_dir)/$$FILE ; \
 	  done ; \
 	  for FILE in *.h std/*.h std/*.cc std/*.tcc; do \
-	    rm -f $(gxx_include_dir)/$$FILE ; \
-	    $(INSTALL_DATA) $$FILE $(gxx_include_dir)/$$FILE ; \
-	    chmod a-x $(gxx_include_dir)/$$FILE ; \
+	    rm -f $(DESTDIR)$(gxx_include_dir)/$$FILE ; \
+	    $(INSTALL_DATA) $$FILE $(DESTDIR)$(gxx_include_dir)/$$FILE ; \
+	    chmod a-x $(DESTDIR)$(gxx_include_dir)/$$FILE ; \
 	  done ; \
 	  cd stl; \
 	  for FILE in *.h; do \
-	    rm -f $(gxx_include_dir)/$$FILE ; \
-	    $(INSTALL_DATA) $$FILE $(gxx_include_dir)/$$FILE ; \
-	    chmod a-x $(gxx_include_dir)/$$FILE ; \
+	    rm -f $(DESTDIR)$(gxx_include_dir)/$$FILE ; \
+	    $(INSTALL_DATA) $$FILE $(DESTDIR)$(gxx_include_dir)/$$FILE ; \
+	    chmod a-x $(DESTDIR)$(gxx_include_dir)/$$FILE ; \
 	  done ; \
 	else true ; \
 	fi
 	rootme=`pwd`/ ; export rootme ; \
 	if [ x$(enable_version_specific_runtime_libs) != xyes ]; then \
-	  INSTALLDIR=$(libdir); \
+	  INSTALLDIR=$(DESTDIR)$(libdir); \
 	else \
-	  INSTALLDIR=$(libsubdir); \
+	  INSTALLDIR=$(DESTDIR)$(libsubdir); \
 	fi; \
-	INSTALLLINKDIR=$(libsubdir); \
+	INSTALLLINKDIR=$(DESTDIR)$(libsubdir); \
 	if [ $${INSTALLLINKDIR}$(MULTISUBDIR) = $${INSTALLDIR}$(MULTISUBDIR) ]; then \
 	  RELINSTALLDIR=; \
 	elif [ x$(MULTISUBDIR) = x ]; then \