diff --git a/Makefile.in b/Makefile.in
index ba9903f6d..530de6528 100755
--- a/Makefile.in
+++ b/Makefile.in
@@ -724,6 +724,7 @@ all: startup.yss
 	@ENABLE_CUDD@ (cd packages/ProbLog/simplecudd; $(MAKE))
 	@ENABLE_CUDD@ (cd packages/ProbLog/simplecudd_lfi; $(MAKE))
 	@ENABLE_JPL@ @INSTALL_DLLS@ (cd packages/jpl; $(MAKE))
+	@ENABLE_PYTHON@ @INSTALL_DLLS@ (cd packages/pyswip; $(MAKE))
 
 startup.yss: yap@EXEC_SUFFIX@ $(PL_SOURCES)
 	-rm -f startup.yss
@@ -792,6 +793,7 @@ install_unix: startup.yss libYap.a
 	@INSTALL_MATLAB@ (cd library/matlab; $(MAKE) install)
 	@ENABLE_REAL@ (cd packages/real; $(MAKE) install)
 	@ENABLE_JPL@ @INSTALL_DLLS@ (cd packages/jpl; $(MAKE) install)
+	@ENABLE_PYTHON@ @INSTALL_DLLS@ (cd packages/pyswip; $(MAKE) install)
 	#@ENABLE_JPL@ @INSTALL_DLLS@ (cd packages/pyswip; $(MAKE) install)
 	mkdir -p $(DESTDIR)$(INCLUDEDIR)
 	mkdir -p $(DESTDIR)$(INCLUDEDIR)/src
@@ -857,6 +859,7 @@ install_win32: startup.yss @ENABLE_WINCONSOLE@ yap-win@EXEC_SUFFIX@
 	(cd packages/CLPBN ; $(MAKE) install)
 	@ENABLE_CLPBN_BP@ (cd packages/CLPBN/horus; $(MAKE) install)
 	@ENABLE_JPL@ (cd packages/jpl ; $(MAKE) install)
+	@ENABLE_PYTHON@ (cd packages/python ; $(MAKE) install)
 	@ENABLE_MINISAT@ (cd packages/swi-minisat2/C; $(MAKE) install)
 	@ENABLE_CPLINT@ (cd packages/cplint; $(MAKE) install)
 	@ENABLE_PRISM@ (cd packages/prism/src/c; $(MAKE) install)
@@ -931,6 +934,7 @@ clean: clean_docs
 	@ENABLE_CUDD@ (cd packages/ProbLog/simplecudd; $(MAKE) clean)
 	@ENABLE_CUDD@ (cd packages/ProbLog/simplecudd_lfi; $(MAKE) clean)
 	@ENABLE_JPL@ @INSTALL_DLLS@ (cd packages/jpl; $(MAKE) clean)
+	@ENABLE_PYTHON@ @INSTALL_DLLS@ (cd packages/python; $(MAKE) clean)
 
 
 
diff --git a/configure b/configure
index f38935c8b..753b0d0e3 100755
--- a/configure
+++ b/configure
@@ -11201,7 +11201,12 @@ ac_config_files="$ac_config_files packages/http/Makefile"
 fi
 
 if test "$ENABLE_JPL" = ""; then
-ac_config_files="$ac_config_files packages/jpl/Makefile packages/jpl/jpl_paths.yap packages/jpl/src/java/Makefile packages/pyswip/Makefile"
+ac_config_files="$ac_config_files packages/jpl/Makefile packages/jpl/jpl_paths.yap packages/jpl/src/java/Makefile"
+
+fi
+
+if test "$ENABLE_PYTHON" = ""; then
+ac_config_files="$ac_config_files packages/pyswip/Makefile"
 
 fi
 
diff --git a/configure.in b/configure.in
index abba5be1c..b30793ab5 100755
--- a/configure.in
+++ b/configure.in
@@ -2527,7 +2527,11 @@ AC_CONFIG_FILES([packages/http/Makefile])
 fi
 
 if test "$ENABLE_JPL" = ""; then
-AC_CONFIG_FILES([packages/jpl/Makefile packages/jpl/jpl_paths.yap packages/jpl/src/java/Makefile packages/pyswip/Makefile ])
+AC_CONFIG_FILES([packages/jpl/Makefile packages/jpl/jpl_paths.yap packages/jpl/src/java/Makefile ])
+fi
+
+if test "$ENABLE_PYTHON" = ""; then
+AC_CONFIG_FILES([ packages/pyswip/Makefile ])
 fi
 
 if test "$ENABLE_PLDOC" = ""; then
diff --git a/packages/real b/packages/real
index 8f441c441..aaef14840 160000
--- a/packages/real
+++ b/packages/real
@@ -1 +1 @@
-Subproject commit 8f441c441b9e481e0467676d70b0f5e949c87a79
+Subproject commit aaef148402584fef38f291b3b5f319c9c2e1d811