* sysdeps/mach/_strerror.c (__strerror_r): Add libc_hidden_def.

	* sysdeps/mach/hurd/pwrite64.c: No libc_hidden_def (__libc_pwrite64).

	* sysdeps/mach/hurd/dl-sysdep.c (__GI_abort): Define alias for abort.

	* include/assert.h (__assert_perror_fail): Declare it, do hidden_proto.
	* assert/assert-perr.c: Add libc_hidden_def.
	* elf/dl-minimal.c [! NDEBUG] (__assert_perror_fail): New function.

	* sysdeps/gnu/errlist-compat.awk: Don't fail if there are no versions
	found at all.
	* sysdeps/gnu/Versions: File removed.  Moved all #errlist-compat
	sys_errlist stuff to ...
	* sysdeps/unix/sysv/linux/Versions: ... here.

	* mach/mach.h: Include <features.h>.

6 files changed, 25 insertions, 22 deletions

diff --git a/sysdeps/gnu/Versions b/sysdeps/gnu/Versions
deleted file mode 100644
index 145dd0acae..0000000000
--- a/sysdeps/gnu/Versions
+++ /dev/null
@@ -1,19 +0,0 @@
-libc {
-  # The comment lines with "#errlist-compat" are magic; see errlist-compat.awk.
-  # When you get an error from errlist-compat.awk, you need to add a new
-  # version here.  Don't do this blindly, since this means changing the ABI
-  # for all GNU/Linux configurations.
-
-  GLIBC_2.0 {
-    #errlist-compat	123
-    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
-  }
-  GLIBC_2.1 {
-    #errlist-compat	125
-    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
-  }
-  GLIBC_2.3 {
-    #errlist-compat	126
-    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
-  }
-}
diff --git a/sysdeps/gnu/errlist-compat.awk b/sysdeps/gnu/errlist-compat.awk
index c9a7a9cc44..4ab9786e63 100644
--- a/sysdeps/gnu/errlist-compat.awk
+++ b/sysdeps/gnu/errlist-compat.awk
@@ -52,6 +52,11 @@ $1 == "#errlist-compat" {
 }
 
 END {
+  if (! highest_version) {
+    print "/* No sys_errlist/sys_nerr symbols defined on this platform.  */";
+    exit 0;
+  }
+
   count = maxerr + 1;
 
   if (highest != count) {
diff --git a/sysdeps/mach/_strerror.c b/sysdeps/mach/_strerror.c
index f96ac15116..a67bbb9625 100644
--- a/sysdeps/mach/_strerror.c
+++ b/sysdeps/mach/_strerror.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1993, 1995, 1996, 1997, 1998, 2000
-   Free Software Foundation, Inc.
+/* Copyright (C) 1993,95,96,97,98,2000,02 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -118,4 +117,5 @@ __strerror_r (int errnum, char *buf, size_t buflen)
 
   return (char *) _(es->subsystem[sub].codes[code]);
 }
+libc_hidden_def (__strerror_r)
 weak_alias (__strerror_r, strerror_r)
diff --git a/sysdeps/mach/hurd/dl-sysdep.c b/sysdeps/mach/hurd/dl-sysdep.c
index 12591167a3..e0e182c208 100644
--- a/sysdeps/mach/hurd/dl-sysdep.c
+++ b/sysdeps/mach/hurd/dl-sysdep.c
@@ -602,6 +602,10 @@ abort (void)
     /* Try for ever and ever.  */
     ABORT_INSTRUCTION;
 }
+
+/* We need this alias to satisfy references from libc_pic.a objects
+   that were affected by the libc_hidden_proto declaration for abort.  */
+strong_alias (abort, __GI_abort)
 
 /* This function is called by interruptible RPC stubs.  For initial
    dynamic linking, just use the normal mach_msg.  Since this defn is
diff --git a/sysdeps/mach/hurd/pwrite64.c b/sysdeps/mach/hurd/pwrite64.c
index ec29032977..2637003ca8 100644
--- a/sysdeps/mach/hurd/pwrite64.c
+++ b/sysdeps/mach/hurd/pwrite64.c
@@ -34,7 +34,6 @@ __libc_pwrite64 (int fd, const void *buf, size_t nbytes, off64_t offset)
 }
 
 #ifndef __libc_pwrite64
-libc_hidden_def (__libc_pwrite64)
 weak_alias (__libc_pwrite64, __pwrite64)
 libc_hidden_weak (__pwrite64)
 weak_alias (__libc_pwrite64, pwrite64)
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index 53cd880425..9dd6b2a275 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -1,4 +1,9 @@
 libc {
+  # The comment lines with "#errlist-compat" are magic; see errlist-compat.awk.
+  # When you get an error from errlist-compat.awk, you need to add a new
+  # version here.  Don't do this blindly, since this means changing the ABI
+  # for all GNU/Linux configurations.
+
   GLIBC_2.0 {
     # functions used in inline functions or macros
     __cmsg_nxthdr;
@@ -50,6 +55,9 @@ libc {
 
     # u*
     umount; uselib;
+
+    #errlist-compat	123
+    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.1 {
     # functions used in inline functions or macros
@@ -75,6 +83,9 @@ libc {
 
     # u*
     umount2;
+
+    #errlist-compat	125
+    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_2.2 {
     # needed in other libraries.
@@ -90,6 +101,9 @@ libc {
   GLIBC_2.3 {
     # r*
     readahead;
+
+    #errlist-compat	126
+    _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
   }
   GLIBC_PRIVATE {
     # needed by libpthread.