* configure.in: Require assembler support for visibility, compiler

	support for visibility and aliases, linker support for various -z
	options.
	* Makeconfig: Remove conditional code which now is unnecessary.
	* config.h.in: Likewise.
	* config.make.in: Likewise.
	* dlfcn/Makefile: Likewise.
	* elf/Makefile: Likewise.
	* elf/dl-load.c: Likewise.
	* elf/rtld.c: Likewise.
	* include/libc-symbols.h: Likewise.
	* include/stdio.h: Likewise.
	* io/Makefile: Likewise.
	* io/fstat.c: Likewise.
	* io/fstat64.c: Likewise.
	* io/fstatat.c: Likewise.
	* io/fstatat64.c: Likewise.
	* io/lstat.c: Likewise.
	* io/lstat64.c: Likewise.
	* io/mknod.c: Likewise.
	* io/mknodat.c: Likewise.
	* io/stat.c: Likewise.
	* io/stat64.c: Likewise.
	* libio/stdio.c: Likewise.
	* nscd/Makefile: Likewise.
	* stdlib/Makefile: Likewise.
	* stdlib/atexit.c: Likewise.
	* sysdeps/generic/ldsodefs.h: Likewise.
	* sysdeps/i386/dl-machine.h: Likewise.
	* sysdeps/i386/sysdep.h: Likewise.
	* sysdeps/i386/i686/memcmp.S: Likewise.
	* sysdeps/powerpc/powerpc32/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise.

3 files changed, 5 insertions, 19 deletions

diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 6b8502c588..04296d2a9a 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -34,9 +34,7 @@ elf_machine_matches_host (const Elf32_Ehdr *ehdr)
 }
 
 
-#if defined PI_STATIC_AND_HIDDEN \
-    && defined HAVE_VISIBILITY_ATTRIBUTE && defined HAVE_HIDDEN \
-    && !defined HAVE_BROKEN_VISIBILITY_ATTRIBUTE
+#ifdef PI_STATIC_AND_HIDDEN
 
 /* Return the link-time address of _DYNAMIC.  Conveniently, this is the
    first element of the GOT, a special entry that is never relocated.  */
diff --git a/sysdeps/i386/i686/memcmp.S b/sysdeps/i386/i686/memcmp.S
index 4bd5394bec..113760d846 100644
--- a/sysdeps/i386/i686/memcmp.S
+++ b/sysdeps/i386/i686/memcmp.S
@@ -1,5 +1,5 @@
 /* Compare two memory blocks for differences in the first COUNT bytes.
-   Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2005, 2006 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
@@ -44,13 +44,9 @@
      absolute address.  */						      \
   addl	(%ebx,INDEX,4), %ebx
 
-#ifdef HAVE_HIDDEN
 	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
 	.globl	__i686.get_pc_thunk.bx
 	.hidden	__i686.get_pc_thunk.bx
-#else
-        .text
-#endif
 	ALIGN (4)
 	.type	__i686.get_pc_thunk.bx,@function
 __i686.get_pc_thunk.bx:
diff --git a/sysdeps/i386/sysdep.h b/sysdeps/i386/sysdep.h
index 2739cb00b3..e03a8e926d 100644
--- a/sysdeps/i386/sysdep.h
+++ b/sysdeps/i386/sysdep.h
@@ -1,5 +1,6 @@
 /* Assembler macros for i386.
-   Copyright (C) 1991-93,95,96,98,2002,2003,2005 Free Software Foundation, Inc.
+   Copyright (C) 1991-93,95,96,98,2002,2003,2005,2006
+   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
@@ -132,15 +133,7 @@ lose: SYSCALL_PIC_SETUP							      \
     cfi_adjust_cfa_offset (-4);						      \
     addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx;
 
-# ifndef HAVE_HIDDEN
-#  define SETUP_PIC_REG(reg) \
-  call 1f;								      \
-  .subsection 1;							      \
-1:movl (%esp), %e##reg;							      \
-  ret;									      \
-  .previous
-# else
-#  define SETUP_PIC_REG(reg) \
+# define SETUP_PIC_REG(reg) \
   .ifndef __i686.get_pc_thunk.reg;					      \
   .section .gnu.linkonce.t.__i686.get_pc_thunk.reg,"ax",@progbits;	      \
   .globl __i686.get_pc_thunk.reg;					      \
@@ -153,7 +146,6 @@ __i686.get_pc_thunk.reg:						      \
   .previous;								      \
   .endif;								      \
   call __i686.get_pc_thunk.reg
-# endif
 
 # define LOAD_PIC_REG(reg) \
   SETUP_PIC_REG(reg); addl $_GLOBAL_OFFSET_TABLE_, %e##reg