* locale/xlocale.h (struct __locale_struct): New member `__names'.

* locale/xlocale.c (_nl_C_locobj): Update initializer.
	* locale/global-locale.c (_nl_global_locale): Likewise.
	* locale/duplocale.c (__duplocale): strdup __names elements.
	* locale/freelocale.c (__freelocale): Free __names elements.
	* locale/localename.c (_nl_current_names): Variable removed.
	(__current_locale_name): Use _NL_CURRENT_LOCALE->__names instead.
	* locale/localeinfo.h (_nl_current_names): Removed decl.
	* locale/setlocale.c: Use _nl_global_locale->__names in place of
	_nl_current_names throughout.

	* locale/setlocale.c (setlocale): strdup -> __strdup (not ISO C).

	* sysdeps/gnu/errlist-compat.awk: Emit link_warnings for sys_errlist
	and sys_nerr in the output file.

	* sunrpc/Makefile (rpcgen-cmd): Pass CPP in rpcgen's environment.
	* scripts/cpp: Just use the environment variable.

	* libio/tst-mmap-setvbuf.c (main): Use 'm' fopen flag.
	* libio/tst-mmap-offend.c (do_test): Likewise.
	* libio/tst-mmap-fflushsync.c (do_test): Likewise.
	* libio/tst-mmap-eofsync.c (do_test): Likewise.
	* libio/tst-mmap2-eofsync.c (do_test): Likewise.

sunrpc/Makefile

@@ -132,7 +132,7 @@ $(objpfx)rpcgen: $(addprefix $(objpfx),$(rpcgen-objs)) \
 	$(+link)
 
 # Tell rpcgen where to find the C preprocessor.
-rpcgen-cmd = $(built-program-cmd) -Y ../scripts
+rpcgen-cmd = CPP='$(CC) -E -x c-header' $(built-program-cmd) -Y ../scripts
 
 # Install the rpc data base file.
 $(inst_sysconfdir)/rpc: etc.rpc $(+force)