- Fix Python/C++ module compilation when compiler supports

the -fvisibility=hidden option
- Update Makefile consequentially


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@361 3ecf2c5c-341e-0410-92b4-d18e462d057c

Makefile.am

@@ -120,6 +120,8 @@ src_backend_pyloader_libpyloader_la_CPPFLAGS = \
 		-DLOCALEDIR="\"$(localedir)\"" \
 		$(PYTHON_CPPFLAGS) \
 		$(GLIBMM_CFLAGS)
+src_backend_pyloader_libpyloader_la_CXXFLAGS = \
+		$(VISIB_HIDDEN)
 src_backend_pyloader_libpyloader_la_LIBADD = \
 		$(PYTHON_LDFLAGS) \
 		$(PYTHON_EXTRA_LIBS) \
@@ -157,6 +159,8 @@ src_backend_libbackend_la_CPPFLAGS = \
 		-DLOCALEDIR="\"$(localedir)\"" \
 		$(PYTHON_CPPFLAGS) \
 		$(GLIBMM_CFLAGS)
+src_backend_libbackend_la_CXXFLAGS = \
+		$(VISIB_HIDDEN)
 src_backend_libbackend_la_LIBADD = \
 		src/backend/pyloader/libpyloader.la
 src_backend_libbackend_la_LDFLAGS = \
@@ -210,6 +214,7 @@ sgpemv2_CPPFLAGS = \
 		$(GTKMM_CFLAGS) \
 		$(PYTHON_CPPFLAGS) \
 		$(GTHREAD_CFLAGS)
+sgpemv2_CXXFLAGS = $(VISIB_HIDDEN)
 sgpemv2_LDFLAGS = $(LT_LDFLAGS)
 sgpemv2_LDADD = \
 		src/backend/libbackend.la \