Use -R instead of -rpath on Solaris. Fixes #749911.

configure

 #! /bin/sh
-# From configure.in Revision: 1.415 .
+# From configure.in Revision: 1.416 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53 for python 2.3.
 #
@@ -3269,7 +3269,7 @@ _ACEOF
           ;;
     SunOS*)
 	  LDLIBRARY='libpython$(VERSION).so'
-	  BLDLIBRARY='-Wl,-rpath,$(LIBDIR) -L. -lpython$(VERSION)'
+	  BLDLIBRARY='-Wl,-R,$(LIBDIR) -L. -lpython$(VERSION)'
 	  RUNSHARED=LD_LIBRARY_PATH=`pwd`:$LD_LIBRARY_PATH
           ;;
     Linux*|GNU*|NetBSD*)

configure.in

@@ -501,7 +501,7 @@ if test $enable_shared = "yes"; then
           ;;
     SunOS*)
 	  LDLIBRARY='libpython$(VERSION).so'
-	  BLDLIBRARY='-Wl,-rpath,$(LIBDIR) -L. -lpython$(VERSION)'
+	  BLDLIBRARY='-Wl,-R,$(LIBDIR) -L. -lpython$(VERSION)'
 	  RUNSHARED=LD_LIBRARY_PATH=`pwd`:$LD_LIBRARY_PATH
           ;;
     Linux*|GNU*|NetBSD*)