* 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>.

11 files changed, 69 insertions, 23 deletions

diff --git a/ChangeLog b/ChangeLog
index d2d72db499..394789a143 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,23 @@
 2002-08-29  Roland McGrath  <roland@redhat.com>
 
+	* 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>.
+
 	* elf/dl-runtime.c (IN_DL_RUNTIME): Define this macro first thing.
 	* sysdeps/i386/dl-machine.h: Only declare fixup, profile_fixup and
 	define ELF_MACHINE_RUNTIME_TRAMPOLINE under #ifdef IN_DL_RUNTIME.
diff --git a/assert/assert-perr.c b/assert/assert-perr.c
index 1144530640..3017c9fd9c 100644
--- a/assert/assert-perr.c
+++ b/assert/assert-perr.c
@@ -83,3 +83,4 @@ __assert_perror_fail (int errnum,
 
   abort ();
 }
+libc_hidden_def (__assert_perror_fail)
diff --git a/elf/dl-minimal.c b/elf/dl-minimal.c
index 893a3b1f2e..f4b7e28782 100644
--- a/elf/dl-minimal.c
+++ b/elf/dl-minimal.c
@@ -209,6 +209,19 @@ Inconsistency detected by ld.so: %s: %u: %s%sAssertion `%s' failed!\n",
 }
 rtld_hidden_weak(__assert_fail)
 
+void weak_function
+__assert_perror_fail (int errnum,
+		      const char *file, unsigned int line,
+		      const char *function)
+{
+  char errbuf[400];
+  _dl_fatal_printf ("\
+Inconsistency detected by ld.so: %s: %u: %s%sUnexpected error: %s.\n",
+		    file, line, function ?: "", function ? ": " : "",
+		    __strerror_r (errnum, errbuf, sizeof errbuf));
+
+}
+rtld_hidden_weak (__assert_perror_fail)
 #endif
 
 unsigned long int weak_function
diff --git a/include/assert.h b/include/assert.h
index 780d7ae373..b53313de8f 100644
--- a/include/assert.h
+++ b/include/assert.h
@@ -7,6 +7,13 @@ extern void __assert_fail (__const char *__assertion, __const char *__file,
 			   unsigned int __line, __const char *__function)
   __THROW __attribute__ ((__noreturn__));
 
+/* Likewise, but prints the error text for ERRNUM.  */
+extern void __assert_perror_fail (int __errnum, __const char *__file,
+				  unsigned int __line,
+				  __const char *__function)
+     __THROW __attribute__ ((__noreturn__));
+
 #if !defined NOT_IN_libc || defined IS_IN_rtld
 hidden_proto (__assert_fail)
+hidden_proto (__assert_perror_fail)
 #endif
diff --git a/mach/mach.h b/mach/mach.h
index 819c75561b..f8fd44bb00 100644
--- a/mach/mach.h
+++ b/mach/mach.h
@@ -1,5 +1,5 @@
 /* Standard header for all Mach programs.
-   Copyright (C) 1993, 1994, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1993,94,96,97,2002 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
@@ -21,6 +21,10 @@
 
 #define	_MACH_H	1
 
+/* We must include this before using __need_FILE with <stdio.h> below.  */
+#include <features.h>
+
+
 /* Get the basic types used by Mach.  */
 #include <mach/mach_types.h>
 
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.