Make sunrpc code usable againaj/revert-sunrpc

This in effect reverts the obsoletion of the sunrpc code.

2012-05-09  Andreas Schwab  <schwab@linux-m68k.org>
	    Andreas Jaeger  <aj@suse.de>

	* configure.in (obsolete-rpc): Add new option --enable-obsolete-rpc.
        * config.h.in (LINK_OBSOLETE_RPC): Add.
        * config.make.in (link-obsolete-rpc): Add.
        * include/libc-symbols.h (libc_hidden_nolink_sunrpc): Rename from
        libc_hidden_nolink and define based on LINK_OBSOLETE_RPC.
        * sunrpc/Makefile (headers)[link-obsolete-rpc]: Add rpc headers.
        (shared-only-routines): Do not use with link-obsolete-rpc.
        * nis/Makefile (headers)[link-obsolete-rpc]: Add rpc headers.
	* sunrpc/auth_des.c: Use libc_hidden_nolink_sunrpc.
	* sunrpc/auth_none.c: Likewise.
	* sunrpc/auth_unix.c: Likewise.
	* sunrpc/authdes_prot.c: Likewise.
	* sunrpc/authuxprot.c: Likewise.
	* sunrpc/clnt_gen.c: Likewise.
	* sunrpc/clnt_perr.c: Likewise.
	* sunrpc/clnt_raw.c: Likewise.
	* sunrpc/clnt_simp.c: Likewise.
	* sunrpc/clnt_tcp.c: Likewise.
	* sunrpc/clnt_udp.c: Likewise.
	* sunrpc/clnt_unix.c: Likewise.
	* sunrpc/des_crypt.c: Likewise.
	* sunrpc/des_soft.c: Likewise.
	* sunrpc/get_myaddr.c: Likewise.
	* sunrpc/key_call.c: Likewise.
	* sunrpc/key_prot.c: Likewise.
	* sunrpc/netname.c: Likewise.
	* sunrpc/pm_getmaps.c: Likewise.
	* sunrpc/pm_getport.c: Likewise.
	* sunrpc/pmap_clnt.c: Likewise.
	* sunrpc/pmap_prot.c: Likewise.
	* sunrpc/pmap_prot2.c: Likewise.
	* sunrpc/pmap_rmt.c: Likewise.
	* sunrpc/publickey.c: Likewise.
	* sunrpc/rpc_cmsg.c: Likewise.
	* sunrpc/rpc_common.c: Likewise.
	* sunrpc/rpc_dtable.c: Likewise.
	* sunrpc/rpc_prot.c: Likewise.
	* sunrpc/rpc_thread.c: Likewise.
	* sunrpc/rtime.c: Likewise.
	* sunrpc/svc.c: Likewise.
	* sunrpc/svc_auth.c: Likewise.
	* sunrpc/svc_raw.c: Likewise.
	* sunrpc/svc_run.c: Likewise.
	* sunrpc/svc_tcp.c: Likewise.
	* sunrpc/svc_udp.c: Likewise.
	* sunrpc/svc_unix.c: Likewise.
	* sunrpc/svcauth_des.c: Likewise.
	* sunrpc/xcrypt.c: Likewise.
	* sunrpc/xdr.c: Likewise.
	* sunrpc/xdr_array.c: Likewise.
	* sunrpc/xdr_float.c: Likewise.
	* sunrpc/xdr_intXX_t.c: Likewise.
	* sunrpc/xdr_mem.c: Likewise.
	* sunrpc/xdr_rec.c: Likewise.
	* sunrpc/xdr_ref.c: Likewise.
	* sunrpc/xdr_sizeof.c: Likewise.
	* sunrpc/xdr_stdio.c: Likewise.

58 files changed, 273 insertions, 154 deletions

diff --git a/ChangeLog b/ChangeLog
index 81d17c9ab5..1796493219 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,67 @@
+2012-05-09  Andreas Schwab  <schwab@linux-m68k.org>
+	    Andreas Jaeger  <aj@suse.de>
+
+	* configure.in (obsolete-rpc): Add new option --enable-obsolete-rpc.
+	* configure: Regenerated.
+	* config.h.in (LINK_OBSOLETE_RPC): Add.
+	* config.make.in (link-obsolete-rpc): Add.
+	* include/libc-symbols.h (libc_hidden_nolink_sunrpc): Rename from
+	libc_hidden_nolink and define based on LINK_OBSOLETE_RPC.
+	* sunrpc/Makefile (headers)[link-obsolete-rpc]: Add rpc headers.
+	(shared-only-routines): Do not use with link-obsolete-rpc.
+	* nis/Makefile (headers)[link-obsolete-rpc]: Add rpc headers.
+	* sunrpc/auth_des.c: Use libc_hidden_nolink_sunrpc.
+	* sunrpc/auth_none.c: Likewise.
+	* sunrpc/auth_unix.c: Likewise.
+	* sunrpc/authdes_prot.c: Likewise.
+	* sunrpc/authuxprot.c: Likewise.
+	* sunrpc/clnt_gen.c: Likewise.
+	* sunrpc/clnt_perr.c: Likewise.
+	* sunrpc/clnt_raw.c: Likewise.
+	* sunrpc/clnt_simp.c: Likewise.
+	* sunrpc/clnt_tcp.c: Likewise.
+	* sunrpc/clnt_udp.c: Likewise.
+	* sunrpc/clnt_unix.c: Likewise.
+	* sunrpc/des_crypt.c: Likewise.
+	* sunrpc/des_soft.c: Likewise.
+	* sunrpc/get_myaddr.c: Likewise.
+	* sunrpc/key_call.c: Likewise.
+	* sunrpc/key_prot.c: Likewise.
+	* sunrpc/netname.c: Likewise.
+	* sunrpc/pm_getmaps.c: Likewise.
+	* sunrpc/pm_getport.c: Likewise.
+	* sunrpc/pmap_clnt.c: Likewise.
+	* sunrpc/pmap_prot.c: Likewise.
+	* sunrpc/pmap_prot2.c: Likewise.
+	* sunrpc/pmap_rmt.c: Likewise.
+	* sunrpc/publickey.c: Likewise.
+	* sunrpc/rpc_cmsg.c: Likewise.
+	* sunrpc/rpc_common.c: Likewise.
+	* sunrpc/rpc_dtable.c: Likewise.
+	* sunrpc/rpc_prot.c: Likewise.
+	* sunrpc/rpc_thread.c: Likewise.
+	* sunrpc/rtime.c: Likewise.
+	* sunrpc/svc.c: Likewise.
+	* sunrpc/svc_auth.c: Likewise.
+	* sunrpc/svc_raw.c: Likewise.
+	* sunrpc/svc_run.c: Likewise.
+	* sunrpc/svc_tcp.c: Likewise.
+	* sunrpc/svc_udp.c: Likewise.
+	* sunrpc/svc_unix.c: Likewise.
+	* sunrpc/svcauth_des.c: Likewise.
+	* sunrpc/xcrypt.c: Likewise.
+	* sunrpc/xdr.c: Likewise.
+	* sunrpc/xdr_array.c: Likewise.
+	* sunrpc/xdr_float.c: Likewise.
+	* sunrpc/xdr_intXX_t.c: Likewise.
+	* sunrpc/xdr_mem.c: Likewise.
+	* sunrpc/xdr_rec.c: Likewise.
+	* sunrpc/xdr_ref.c: Likewise.
+	* sunrpc/xdr_sizeof.c: Likewise.
+	* sunrpc/xdr_stdio.c: Likewise.
+	* sunrpc/Makefile (shared-only-routines): Remove, so that libc.a
+	contains the symbols.
+
 2012-05-08  Ian Wienand  <ianw@vmware.com>
 
 	[BZ #14080]
diff --git a/NEWS b/NEWS
index ca1f7535cc..ee2dc967e0 100644
--- a/NEWS
+++ b/NEWS
@@ -56,7 +56,12 @@ Version 2.16
 
 * More generic and 64-bit performance optimizations to math functions.
   Implemented by Ulrich Drepper.
-
+
+* Resurrect the RPC implementation in libc so that it can be used again for
+  compilation of new programs. It will be removed once TI-RPC can fully
+  replace the glibc RPC code. To use it, configure using 
+  --enable-obsolete-rpc.
+
 Version 2.15
 
 * The following bugs are resolved with this release:
diff --git a/config.h.in b/config.h.in
index 787873b4c0..54952609ef 100644
--- a/config.h.in
+++ b/config.h.in
@@ -178,6 +178,9 @@
 /* Define if `.ctors' and `.dtors' sections shouldn't be used.  */
 #undef	NO_CTORS_DTORS_SECTIONS
 
+/* Define if obsolete RPC code should be made available for user-level code
+   to link against.  */
+#undef LINK_OBSOLETE_RPC
 /*
  */
 
diff --git a/config.make.in b/config.make.in
index 5f6f9e281d..6c4d04ee33 100644
--- a/config.make.in
+++ b/config.make.in
@@ -96,6 +96,7 @@ add-on-subdirs = @add_on_subdirs@
 sysdeps-add-ons = @sysdeps_add_ons@
 cross-compiling = @cross_compiling@
 force-install = @force_install@
+link-obsolete-rpc = @link_obsolete_rpc@
 
 # Build tools.
 CC = @CC@
diff --git a/configure b/configure
index 1c5f4adbea..c7cb47d0c2 100755
--- a/configure
+++ b/configure
@@ -687,6 +687,7 @@ multi_arch
 base_machine
 add_on_subdirs
 add_ons
+link_obsolete_rpc
 libc_cv_nss_crypt
 all_warnings
 force_install
@@ -779,6 +780,7 @@ enable_kernel
 enable_all_warnings
 enable_multi_arch
 enable_nss_crypt
+enable_obsolete_rpc
 with_cpu
 '
       ac_precious_vars='build_alias
@@ -1434,6 +1436,8 @@ Optional Features:
   --enable-multi-arch     enable single DSO with optimizations for multiple
                           architectures
   --enable-nss-crypt      enable libcrypt to use nss
+  --enable-obsolete-rpc   build and install the obsolete RPC code for
+                          link-time usage
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -3746,6 +3750,20 @@ else
 fi
 
 
+# Check whether --enable-obsolete-rpc was given.
+if test "${enable_obsolete_rpc+set}" = set; then :
+  enableval=$enable_obsolete_rpc; link_obsolete_rpc=$enableval
+else
+  link_obsolete_rpc=no
+fi
+
+
+
+if test "$link_obsolete_rpc" = yes; then
+  $as_echo "#define LINK_OBSOLETE_RPC 1" >>confdefs.h
+
+fi
+
 # The way shlib-versions is used to generate soversions.mk uses a
 # fairly simplistic model for name recognition that can't distinguish
 # i486-pc-linux-gnu fully from i486-pc-gnu.  So we mutate a $host_os
diff --git a/configure.in b/configure.in
index 19a2c1a0f0..4eb9277e8c 100644
--- a/configure.in
+++ b/configure.in
@@ -252,6 +252,17 @@ else
 fi
 AC_SUBST(libc_cv_nss_crypt)
 
+AC_ARG_ENABLE([obsolete-rpc],
+              AC_HELP_STRING([--enable-obsolete-rpc],
+                             [build and install the obsolete RPC code for link-time usage]),
+              [link_obsolete_rpc=$enableval],
+              [link_obsolete_rpc=no])
+AC_SUBST(link_obsolete_rpc)
+
+if test "$link_obsolete_rpc" = yes; then
+  AC_DEFINE(LINK_OBSOLETE_RPC)
+fi
+
 # The way shlib-versions is used to generate soversions.mk uses a
 # fairly simplistic model for name recognition that can't distinguish
 # i486-pc-linux-gnu fully from i486-pc-gnu.  So we mutate a $host_os
diff --git a/include/libc-symbols.h b/include/libc-symbols.h
index 951e46a6e3..0c3274e253 100644
--- a/include/libc-symbols.h
+++ b/include/libc-symbols.h
@@ -556,7 +556,12 @@ for linking")
 # define libc_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
 # define libc_hidden_def(name) hidden_def (name)
 # define libc_hidden_weak(name) hidden_weak (name)
-# define libc_hidden_nolink(name, version) hidden_nolink (name, libc, version)
+# ifdef LINK_OBSOLETE_RPC
+   /* libc_hidden_nolink_sunrpc should only get used in sunrpc code.  */
+#  define libc_hidden_nolink_sunrpc(name, version) hidden_def (name)
+# else
+#  define libc_hidden_nolink_sunrpc(name, version) hidden_nolink (name, libc, version)
+# endif
 # define libc_hidden_ver(local, name) hidden_ver (local, name)
 # define libc_hidden_data_def(name) hidden_data_def (name)
 # define libc_hidden_data_weak(name) hidden_data_weak (name)
diff --git a/nis/Makefile b/nis/Makefile
index a48753f7a9..b412cee304 100644
--- a/nis/Makefile
+++ b/nis/Makefile
@@ -23,6 +23,12 @@ subdir	:= nis
 
 aux			:= nis_hash
 
+include ../Makeconfig
+
+ifeq ($(link-obsolete-rpc),yes)
+headers			:= $(wildcard rpcsvc/*.[hx])
+endif
+
 # These are the databases available for the nis (and perhaps later nisplus)
 # service.  This must be a superset of the services in nss.
 databases		= proto service hosts network grp pwd rpc ethers \
diff --git a/sunrpc/Makefile b/sunrpc/Makefile
index 48790f4da9..3847daf083 100644
--- a/sunrpc/Makefile
+++ b/sunrpc/Makefile
@@ -60,6 +60,10 @@ generated-dirs := rpcsvc
 
 include ../Makeconfig
 
+ifeq ($(link-obsolete-rpc),yes)
+headers += $(headers-in-tirpc) $(headers-not-in-tirpc)
+endif
+
 ifeq ($(versioning),yes)
 need-export-routines := auth_des auth_unix clnt_gen clnt_perr clnt_tcp \
 			clnt_udp get_myaddr key_call netname pm_getport \
@@ -73,9 +77,11 @@ routines := auth_none authuxprot bindrsvprt clnt_raw clnt_simp \
 	    svc_simple xdr_float xdr_rec publickey authdes_prot \
 	    des_crypt des_impl des_soft key_prot openchild rtime svcauth_des \
 	    clnt_unix svc_unix create_xid $(need-export-routines)
+ifneq ($(link-obsolete-rpc),yes)
 # We only add the RPC for compatibility to libc.so.
 shared-only-routines = $(routines)
 endif
+endif
 
 # We do not build rpcinfo anymore.  It is not needed for a bootstrap
 # and not wanted on complete systems.
diff --git a/sunrpc/auth_des.c b/sunrpc/auth_des.c
index 96bbcfc328..0408d60826 100644
--- a/sunrpc/auth_des.c
+++ b/sunrpc/auth_des.c
@@ -117,7 +117,7 @@ authdes_create (const char *servername, u_int window,
 #ifdef EXPORT_RPC_SYMBOLS
 libc_hidden_def (authdes_create)
 #else
-libc_hidden_nolink (authdes_create, GLIBC_2_1)
+libc_hidden_nolink_sunrpc (authdes_create, GLIBC_2_1)
 #endif
 
 AUTH *
@@ -211,7 +211,7 @@ failed:
 #ifdef EXPORT_RPC_SYMBOLS
 libc_hidden_def (authdes_pk_create)
 #else
-libc_hidden_nolink (authdes_pk_create, GLIBC_2_1)
+libc_hidden_nolink_sunrpc (authdes_pk_create, GLIBC_2_1)