Deprecate libnsl by default (only shared library will be

build for backward compatibility, no linking possible) and disable building
of libnss_compat, libnss_nis and libnss_nisplus, except --enable-obsolete-nsl
option is given to configure.

        * config.h.in: Add LINK_OBSOLETE_NSL.
        * config.make.in: Add build-obsolete-nsl.
        * configure.ac: Add obsolete-nsl option.
        * include/libc-symbols.h: Define libnsl_hidden_nolink_def.
        * include/rpcsvc/yp.h: Add missing functions as libnsl_hidden_proto.
        * include/rpcsvc/nislib.h: Likewise.
        * include/rpcsvc/ypclnt.h: Likewise.
        * manual/install.texi: Document --enable-obsolete-nsl.
        * nis/Makefile: Build only libnsl by default (add build-obsolete-nsl).
        * nis/nis_add.c: Replace libnsl_hidden_def with
        libnsl_hidden_nolink_def.
        * nis/nis_addmember.c: Likewise.
        * nis/nis_call.c: Likewise.
        * nis/nis_clone_obj.c: Likewise.
        * nis/nis_defaults.c: Likeise.
        * nis/nis_domain_of_r.c: Likewise.
        * nis/nis_error.c: Likewise.
        * nis/nis_file.c: Likewise.
        * nis/nis_free.c: Likewise.
        * nis_local_names.c: Likewise.
        * nis/nis_lookup.c: Likewise.
        * nis/nis_modify.c: Likewise.
        * nis/nis_print.c: Likewise.
        * nis/nis_remove.c: Likewise.
        * nis/nis_table.c: Likewise.
        * nis/nis_util.c: Likewise.
        * nis/nis_xdr.c: Likewise.
        * nis/yp_xdr.c: Likewise.
        * nis/ypclnt.c: Likewise.
        * nis/ypupdate_xdr.c: Likewise.
        * nis/nis_checkpoint.c: Add libnsl_hidden_nolink_def to all functions.
        * nis/nis_clone_dir.c: Likewise.
        * nis/nis_clone_res.c: Likewise.
        * nis/nis_creategroup.c: Likewise.
        * nis/nis_destroygroup.c: Likewise.
        * nis/nis_domain_of.c: Likewise.
        * nis/nis_getservlist.c: Likewise.
        * nis/nis_ismember.c: Likewise.
        * nis/nis_mkdir.c: Likewise.
        * nis/nis_ping.c: Likewise.
        * nis/nis_print_group_entry.c: Likewise.
        * nis/nis_removemember.c: Likewise.
        * nis/nis_rmdir.c: Likewise.
        * nis/nis_server.c: Likewise.
        * nis/nis_subr.c: Likewise.
        * nis/nis_verifygroup.c: Likewise.

Signed-off-by: Thorsten Kukuk <kukuk@suse.com>

configure

@@ -669,6 +669,7 @@ add_ons
 have_tunables
 build_pt_chown
 build_nscd
+build_obsolete_nsl
 link_obsolete_rpc
 libc_cv_static_nss_crypt
 libc_cv_nss_crypt
@@ -779,6 +780,7 @@ enable_werror
 enable_multi_arch
 enable_nss_crypt
 enable_obsolete_rpc
+enable_obsolete_nsl
 enable_systemtap
 enable_build_nscd
 enable_nscd
@@ -1450,6 +1452,8 @@ Optional Features:
   --enable-nss-crypt      enable libcrypt to use nss
   --enable-obsolete-rpc   build and install the obsolete RPC code for
                           link-time usage
+  --enable-obsolete-nsl   build and install the obsolete libnsl library and
+                          depending NSS modules
   --enable-systemtap      enable systemtap static probe points [default=no]
   --disable-build-nscd    disable building and installing the nscd daemon
   --disable-nscd          library functions will not contact the nscd daemon
@@ -3626,6 +3630,20 @@ if test "$link_obsolete_rpc" = yes; then
 
 fi
 
+# Check whether --enable-obsolete-nsl was given.
+if test "${enable_obsolete_nsl+set}" = set; then :
+  enableval=$enable_obsolete_nsl; build_obsolete_nsl=$enableval
+else
+  build_obsolete_nsl=no
+fi
+
+
+
+if test "$build_obsolete_nsl" = yes; then
+  $as_echo "#define LINK_OBSOLETE_NSL 1" >>confdefs.h
+
+fi
+
 # Check whether --enable-systemtap was given.
 if test "${enable_systemtap+set}" = set; then :
   enableval=$enable_systemtap; systemtap=$enableval