Patch #841807: Check whether a versioned libpython.so symlink is needed

in altbininstall.

diff --git a/Makefile.pre.in b/Makefile.pre.in
index 457c72a27e55c19a3d8c5f7277292d296816484b..06ef042e7bcd8a6a143f4e227ee06dd4ce43cfb8 100644 (file)
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -609,7 +609,9 @@ altbininstall:      $(BUILDPYTHON)
                        $(INSTALL_SHARED) libpython$(VERSION)$(SO) $(DESTDIR)$(BINDIR); \
                else \
                        $(INSTALL_SHARED) libpython$(VERSION)$(SO) $(DESTDIR)$(LIBDIR)/$(INSTSONAME); \
-                       (cd $(DESTDIR)$(LIBDIR); $(LN) -sf $(INSTSONAME) libpython$(VERSION)$(SO)); \
+                       if test libpython$(VERSION)$(SO) != $(INSTSONAME); then \
+                               (cd $(DESTDIR)$(LIBDIR); $(LN) -sf $(INSTSONAME) libpython$(VERSION)$(SO)); \
+                       fi \
                fi; \
        else    true; \
        fi