use libtool to probe for version script to make it work on amd64/ia64

where -fpic in needed to build shared objects.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23146 ec53bebd-3082-4978-b11e-865c3cabbd6b

cf/version-script.m4

@@ -16,13 +16,12 @@ cat > conftest.c <<EOF
 int gss_init_creds(int foo) { return 0; }
 EOF
 
-  if AC_TRY_COMMAND([${CC-cc} $CFLAGS $LDFLAGS -shared
-                               -o conftest.so conftest.c
-                               -Wl,--version-script,conftest.map]);
+  if AC_TRY_COMMAND([$SHELL libtool --mode compile ${CC-cc} -c $CFLAGS conftest.c])  && 
+     AC_TRY_COMMAND([$SHELL libtool --mode link ${CC-cc} $CFLAGS $LDFLAGS -o libconftestlib.la -Wl,--version-script,conftest.map conftest.lo]);
   then
     rk_cv_version_script=yes
   fi
-rm -f conftest*
+rm -rf conftest* libconftest* .libs
 ])
 
 if test $rk_cv_version_script = yes ; then