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[PATCH] Remove TLS configure checks


This patch should remove TLS checking in the configure machinery.
Since we now require binutils 2.20 and later, these checks became
to be redundant.  I've only built libc on x86_64, I'd be glad if
someone could give it a spin on e.g. ppc64 or s390x.

Ok?

2012-07-11  Marek Polacek  <polacek@redhat.com>

	[BZ #14349]
	* sysdeps/s390/s390-32/configure.in: Remove TLS check.
	* sysdeps/s390/s390-64/configure.in: Likewise.
	* sysdeps/sparc/configure.in: Likewise.
	* sysdeps/powerpc/powerpc32/configure.in: Likewise.
	* sysdeps/powerpc/powerpc64/configure.in: Likewise.
	* sysdeps/i386/configure.in: Likewise.
	* sysdeps/x86_64/configure.in: Likewise.
	* sysdeps/sh/configure.in: Likewise.
	* sysdeps/s390/s390-32/configure: Regenerated.
	* sysdeps/s390/s390-64/configure: Likewise.
	* sysdeps/x86_64/configure: Likewise.
	* sysdeps/sh/configure: Likewise.
	* sysdeps/powerpc/powerpc64/configure: Likewise.
	* sysdeps/powerpc/powerpc32/configure: Likewise.
	* sysdeps/sparc/configure: Likwise.
	* sysdeps/i386/configure: Likewise.

--- libc/sysdeps/s390/s390-32/configure.mp	2012-07-11 13:59:06.184201838 +0200
+++ libc/sysdeps/s390/s390-32/configure	2012-07-11 14:00:25.071471444 +0200
@@ -1,126 +1,5 @@
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  as_basename=basename
-else
-  as_basename=false
-fi
-
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-
-
-  as_lineno_1=$LINENO as_lineno_1a=$LINENO
-  as_lineno_2=$LINENO as_lineno_2a=$LINENO
-  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
-  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
-  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
-    sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
-      N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
-      t loop
-      s/-\n.*//
-    ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/s390.
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for s390 TLS support" >&5
-$as_echo_n "checking for s390 TLS support... " >&6; }
-if ${libc_cv_390_tls+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.S <<\EOF
-	.section ".tdata", "awT", @progbits
-foo:	.long	25
-	.text
-	.long	foo@TLSGD
-	.long	foo@TLSLDM
-	.long	foo@DTPOFF
-	.long	foo@NTPOFF
-	.long	foo@GOTNTPOFF
-	.long	foo@INDNTPOFF
-	l	%r1,foo@GOTNTPOFF(%r12)
-	l	%r1,0(%r1):tls_load:foo
-	bas	%r14,0(%r1,%r13):tls_gdcall:foo
-	bas	%r14,0(%r1,%r13):tls_ldcall:foo
-EOF
-if { ac_try='${CC-cc} -S $CFLAGS conftest.S 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-  libc_cv_390_tls=yes
-else
-  libc_cv_390_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_390_tls" >&5
-$as_echo "$libc_cv_390_tls" >&6; }
-if test $libc_cv_390_tls = no; then
-  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
-
 $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
+
--- libc/sysdeps/s390/s390-32/configure.in.mp	2012-07-11 13:59:02.843190419 +0200
+++ libc/sysdeps/s390/s390-32/configure.in	2012-07-11 13:59:22.194256554 +0200
@@ -1,35 +1,6 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/s390.
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-AC_CACHE_CHECK(for s390 TLS support, libc_cv_390_tls, [dnl
-cat > conftest.S <<\EOF
-	.section ".tdata", "awT", @progbits
-foo:	.long	25
-	.text
-	.long	foo@TLSGD
-	.long	foo@TLSLDM
-	.long	foo@DTPOFF
-	.long	foo@NTPOFF
-	.long	foo@GOTNTPOFF
-	.long	foo@INDNTPOFF
-	l	%r1,foo@GOTNTPOFF(%r12)
-	l	%r1,0(%r1):tls_load:foo
-	bas	%r14,0(%r1,%r13):tls_gdcall:foo
-	bas	%r14,0(%r1,%r13):tls_ldcall:foo
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS conftest.S 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_390_tls=yes
-else
-  libc_cv_390_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_390_tls = no; then
-  AC_MSG_ERROR([the assembler must support TLS])
-fi
-
 dnl It is always possible to access static and hidden symbols in an
 dnl position independent way.
 AC_DEFINE(PI_STATIC_AND_HIDDEN)
--- libc/sysdeps/s390/s390-64/configure.mp	2012-07-11 14:06:40.193522413 +0200
+++ libc/sysdeps/s390/s390-64/configure	2012-07-11 14:07:31.747702931 +0200
@@ -1,126 +1,5 @@
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  as_basename=basename
-else
-  as_basename=false
-fi
-
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-
-
-  as_lineno_1=$LINENO as_lineno_1a=$LINENO
-  as_lineno_2=$LINENO as_lineno_2a=$LINENO
-  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
-  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
-  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
-    sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
-      N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
-      t loop
-      s/-\n.*//
-    ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/s390.
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for s390 TLS support" >&5
-$as_echo_n "checking for s390 TLS support... " >&6; }
-if ${libc_cv_390_tls+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.S <<\EOF
-	.section ".tdata", "awT", @progbits
-foo:	.long	25
-	.text
-	.quad	foo@TLSGD
-	.quad	foo@TLSLDM
-	.quad	foo@DTPOFF
-	.quad	foo@NTPOFF
-	.quad	foo@GOTNTPOFF
-	.quad	foo@INDNTPOFF
-	lg	%r1,foo@GOTNTPOFF(%r12)
-	lg	%r1,0(%r1):tls_load:foo
-	brasl	%r14,__tls_get_offset@plt:tls_gdcall:foo
-	brasl	%r14,__tls_get_offset@plt:tls_ldcall:foo
-EOF
-if { ac_try='${CC-cc} -S $CFLAGS conftest.S 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-  libc_cv_390_tls=yes
-else
-  libc_cv_390_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_390_tls" >&5
-$as_echo "$libc_cv_390_tls" >&6; }
-if test $libc_cv_390_tls = no; then
-  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
-
 $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
+
--- libc/sysdeps/s390/s390-64/configure.in.mp	2012-07-11 14:06:40.194522416 +0200
+++ libc/sysdeps/s390/s390-64/configure.in	2012-07-11 14:07:07.268617218 +0200
@@ -1,35 +1,6 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/s390.
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-AC_CACHE_CHECK(for s390 TLS support, libc_cv_390_tls, [dnl
-cat > conftest.S <<\EOF
-	.section ".tdata", "awT", @progbits
-foo:	.long	25
-	.text
-	.quad	foo@TLSGD
-	.quad	foo@TLSLDM
-	.quad	foo@DTPOFF
-	.quad	foo@NTPOFF
-	.quad	foo@GOTNTPOFF
-	.quad	foo@INDNTPOFF
-	lg	%r1,foo@GOTNTPOFF(%r12)
-	lg	%r1,0(%r1):tls_load:foo
-	brasl	%r14,__tls_get_offset@plt:tls_gdcall:foo
-	brasl	%r14,__tls_get_offset@plt:tls_ldcall:foo
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS conftest.S 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_390_tls=yes
-else
-  libc_cv_390_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_390_tls = no; then
-  AC_MSG_ERROR([the assembler must support TLS])
-fi
-
 dnl It is always possible to access static and hidden symbols in an
 dnl position independent way.
 AC_DEFINE(PI_STATIC_AND_HIDDEN)
--- libc/sysdeps/sparc/configure.mp	2012-07-11 14:08:31.978913835 +0200
+++ libc/sysdeps/sparc/configure	2012-07-11 14:09:17.638073711 +0200
@@ -123,60 +123,6 @@ if test $libc_cv_sparc_as_vis3 = yes; th
 
 fi
 
-# Check for support of thread-local storage handling in assembler and linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sparc TLS support" >&5
-$as_echo_n "checking for sparc TLS support... " >&6; }
-if ${libc_cv_sparc_tls+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.S <<\EOF
-	.section ".tdata", "awT", @progbits
-	.globl foo
-foo:	.word	1
-	.section ".tbss", "awT", @nobits
-	.globl bar
-bar:	.skip	4
-	.text
-baz:	sethi	%tgd_hi22(foo), %l1
-	add	%l1, %tgd_lo10(foo), %l1
-	add	%l7, %l1, %o0, %tgd_add(foo)
-	call	__tls_get_addr, %tgd_call(foo)
-	sethi	%tldm_hi22(bar), %l1
-	add	%l1, %tldm_lo10(bar), %l1
-	add	%l7, %l1, %o0, %tldm_add(bar)
-	call	__tls_get_addr, %tldm_call(bar)
-	sethi	%tldo_hix22(bar), %l1
-	xor	%l1, %tldo_lox10(bar), %l1
-	add	%o0, %l1, %l1, %tldo_add(bar)
-	sethi	%tie_hi22(foo), %l1
-	add	%l1, %tie_lo10(foo), %l1
-#ifdef __arch64__
-	ldx	[%l7 + %l1], %l1, %tie_ldx(foo)
-#else
-	ld	[%l7 + %l1], %l1, %tie_ld(foo)
-#endif
-	add	%g7, %l1, %l1, %tie_add(foo)
-	sethi	%tle_hix22(foo), %l1
-	xor	%l1, %tle_lox10(foo), %l1
-EOF
-if { ac_try='${CC-cc} -c $CFLAGS conftest.S 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-  libc_cv_sparc_tls=yes
-else
-  libc_cv_sparc_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_sparc_tls" >&5
-$as_echo "$libc_cv_sparc_tls" >&6; }
-if test $libc_cv_sparc_tls = no; then
-  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
-
 # Check for a GCC emitting GOTDATA relocations.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sparc gcc GOTDATA reloc support" >&5
 $as_echo_n "checking for sparc gcc GOTDATA reloc support... " >&6; }
--- libc/sysdeps/sparc/configure.in.mp	2012-07-11 14:08:31.982913848 +0200
+++ libc/sysdeps/sparc/configure.in	2012-07-11 14:09:07.884039556 +0200
@@ -29,51 +29,6 @@ if test $libc_cv_sparc_as_vis3 = yes; th
   AC_DEFINE(HAVE_AS_VIS3_SUPPORT)
 fi
 
-# Check for support of thread-local storage handling in assembler and linker.
-AC_CACHE_CHECK(for sparc TLS support, libc_cv_sparc_tls, [dnl
-changequote(,)dnl
-cat > conftest.S <<\EOF
-	.section ".tdata", "awT", @progbits
-	.globl foo
-foo:	.word	1
-	.section ".tbss", "awT", @nobits
-	.globl bar
-bar:	.skip	4
-	.text
-baz:	sethi	%tgd_hi22(foo), %l1
-	add	%l1, %tgd_lo10(foo), %l1
-	add	%l7, %l1, %o0, %tgd_add(foo)
-	call	__tls_get_addr, %tgd_call(foo)
-	sethi	%tldm_hi22(bar), %l1
-	add	%l1, %tldm_lo10(bar), %l1
-	add	%l7, %l1, %o0, %tldm_add(bar)
-	call	__tls_get_addr, %tldm_call(bar)
-	sethi	%tldo_hix22(bar), %l1
-	xor	%l1, %tldo_lox10(bar), %l1
-	add	%o0, %l1, %l1, %tldo_add(bar)
-	sethi	%tie_hi22(foo), %l1
-	add	%l1, %tie_lo10(foo), %l1
-#ifdef __arch64__
-	ldx	[%l7 + %l1], %l1, %tie_ldx(foo)
-#else
-	ld	[%l7 + %l1], %l1, %tie_ld(foo)
-#endif
-	add	%g7, %l1, %l1, %tie_add(foo)
-	sethi	%tle_hix22(foo), %l1
-	xor	%l1, %tle_lox10(foo), %l1
-EOF
-changequote([,])dnl
-dnl
-if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.S 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_sparc_tls=yes
-else
-  libc_cv_sparc_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_sparc_tls = no; then
-  AC_MSG_ERROR([the assembler must support TLS])
-fi
-
 # Check for a GCC emitting GOTDATA relocations.
 AC_CACHE_CHECK(for sparc gcc GOTDATA reloc support, libc_cv_sparc_gcc_gotdata, [dnl
 changequote(,)dnl
--- libc/sysdeps/i386/configure.mp	2012-07-11 14:10:44.713378609 +0200
+++ libc/sysdeps/i386/configure	2012-07-11 14:11:08.903463313 +0200
@@ -349,45 +349,5 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5
 $as_echo "$libc_cv_cc_novzeroupper" >&6; }
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for i386 TLS support" >&5
-$as_echo_n "checking for i386 TLS support... " >&6; }
-if ${libc_cv_386_tls+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.s <<\EOF
-	.section ".tdata", "awT", @progbits
-	.globl foo
-foo:	.long	1
-	.section ".tbss", "awT", @nobits
-	.globl bar
-bar:	.skip	4
-	.text
-baz:	leal	bar@TLSLDM(%ebx), %eax
-	leal	bar@DTPOFF(%eax), %edx
-	subl	foo@GOTTPOFF(%edx), %eax
-	subl	$bar@TPOFF, %eax
-	movl	foo@GOTNTPOFF(%edx), %ecx
-	movl	%gs:(%ecx), %eax
-	movl	%gs:bar@NTPOFF, %eax
-EOF
-if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-  libc_cv_386_tls=yes
-else
-  libc_cv_386_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_386_tls" >&5
-$as_echo "$libc_cv_386_tls" >&6; }
-if test $libc_cv_386_tls = no; then
-  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
-
 $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
+
--- libc/sysdeps/i386/configure.in.mp	2012-07-11 14:10:44.714378613 +0200
+++ libc/sysdeps/i386/configure.in	2012-07-11 14:10:56.864421159 +0200
@@ -86,36 +86,6 @@ LIBC_TRY_CC_OPTION([-mno-vzeroupper],
 		   [libc_cv_cc_novzeroupper=no])
 ])
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-AC_CACHE_CHECK(for i386 TLS support, libc_cv_386_tls, [dnl
-cat > conftest.s <<\EOF
-	.section ".tdata", "awT", @progbits
-	.globl foo
-foo:	.long	1
-	.section ".tbss", "awT", @nobits
-	.globl bar
-bar:	.skip	4
-	.text
-baz:	leal	bar@TLSLDM(%ebx), %eax
-	leal	bar@DTPOFF(%eax), %edx
-	subl	foo@GOTTPOFF(%edx), %eax
-	subl	$bar@TPOFF, %eax
-	movl	foo@GOTNTPOFF(%edx), %ecx
-	movl	%gs:(%ecx), %eax
-	movl	%gs:bar@NTPOFF, %eax
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_386_tls=yes
-else
-  libc_cv_386_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_386_tls = no; then
-  AC_MSG_ERROR([the assembler must support TLS])
-fi
-
 dnl It is always possible to access static and hidden symbols in an
 dnl position independent way.
 AC_DEFINE(PI_STATIC_AND_HIDDEN)
--- libc/sysdeps/x86_64/configure.mp	2012-07-11 13:25:02.594183341 +0200
+++ libc/sysdeps/x86_64/configure	2012-07-11 13:25:12.466218275 +0200
@@ -329,43 +329,6 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5
 $as_echo "$libc_cv_cc_novzeroupper" >&6; }
 
-# Check for support of thread-local storage handling in assembler and linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for x86-64 TLS support" >&5
-$as_echo_n "checking for x86-64 TLS support... " >&6; }
-if ${libc_cv_x86_64_tls+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.s <<\EOF
-	.section ".tdata", "awT", @progbits
-	.globl foo
-foo:	.quad	1
-	.section ".tbss", "awT", @nobits
-	.globl bar
-bar:	.skip	8
-	.text
-baz:	leaq	bar@TLSLD(%rip), %rdi
-	leaq	bar@DTPOFF(%rax), %rcx
-	addq	foo@GOTTPOFF(%rip), %rax
-	movq	$bar@TPOFF, %rdx
-EOF
-if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-  libc_cv_x86_64_tls=yes
-else
-  libc_cv_x86_64_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_64_tls" >&5
-$as_echo "$libc_cv_x86_64_tls" >&6; }
-if test $libc_cv_x86_64_tls = no; then
-  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
-
 $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
 
 # work around problem with autoconf and empty lines at the end of files
--- libc/sysdeps/x86_64/configure.in.mp	2012-07-11 13:20:15.551167568 +0200
+++ libc/sysdeps/x86_64/configure.in	2012-07-11 13:20:50.064289701 +0200
@@ -79,32 +79,6 @@ LIBC_TRY_CC_OPTION([-mno-vzeroupper],
 		   [libc_cv_cc_novzeroupper=no])
 ])
 
-# Check for support of thread-local storage handling in assembler and linker.
-AC_CACHE_CHECK(for x86-64 TLS support, libc_cv_x86_64_tls, [dnl
-cat > conftest.s <<\EOF
-	.section ".tdata", "awT", @progbits
-	.globl foo
-foo:	.quad	1
-	.section ".tbss", "awT", @nobits
-	.globl bar
-bar:	.skip	8
-	.text
-baz:	leaq	bar@TLSLD(%rip), %rdi
-	leaq	bar@DTPOFF(%rax), %rcx
-	addq	foo@GOTTPOFF(%rip), %rax
-	movq	$bar@TPOFF, %rdx
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_x86_64_tls=yes
-else
-  libc_cv_x86_64_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_x86_64_tls = no; then
-  AC_MSG_ERROR([the assembler must support TLS])
-fi
-
 dnl It is always possible to access static and hidden symbols in an
 dnl position independent way.
 AC_DEFINE(PI_STATIC_AND_HIDDEN)
--- libc/sysdeps/sh/configure.mp	2012-07-11 14:12:24.117726681 +0200
+++ libc/sysdeps/sh/configure	2012-07-11 14:12:53.817830677 +0200
@@ -1,121 +1,5 @@
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  as_basename=basename
-else
-  as_basename=false
-fi
-
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-
-
-  as_lineno_1=$LINENO as_lineno_1a=$LINENO
-  as_lineno_2=$LINENO as_lineno_2a=$LINENO
-  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
-  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
-  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
-    sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
-      N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
-      t loop
-      s/-\n.*//
-    ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/sh.
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SH TLS support" >&5
-$as_echo_n "checking for SH TLS support... " >&6; }
-if ${libc_cv_sh_tls+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.S <<\EOF
-	.section ".tdata", "awT", @progbits
-foo:	.long	25
-	.text
-	.long	foo@TLSGD
-	.long	foo@TLSLDM
-	.long	foo@DTPOFF
-	.long	foo@GOTTPOFF
-	.long	foo@TPOFF
-EOF
-if { ac_try='${CC-cc} -S $CFLAGS conftest.S 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-  libc_cv_sh_tls=yes
-else
-  libc_cv_sh_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_sh_tls" >&5
-$as_echo "$libc_cv_sh_tls" >&6; }
-if test $libc_cv_sh_tls = no; then
-  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
-
 $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
+
--- libc/sysdeps/sh/configure.in.mp	2012-07-11 14:12:24.121726694 +0200
+++ libc/sysdeps/sh/configure.in	2012-07-11 14:12:38.518777106 +0200
@@ -1,30 +1,6 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/sh.
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-AC_CACHE_CHECK(for SH TLS support, libc_cv_sh_tls, [dnl
-cat > conftest.S <<\EOF
-	.section ".tdata", "awT", @progbits
-foo:	.long	25
-	.text
-	.long	foo@TLSGD
-	.long	foo@TLSLDM
-	.long	foo@DTPOFF
-	.long	foo@GOTTPOFF
-	.long	foo@TPOFF
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS conftest.S 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_sh_tls=yes
-else
-  libc_cv_sh_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_sh_tls = no; then
-  AC_MSG_ERROR([the assembler must support TLS])
-fi
-
 dnl It is always possible to access static and hidden symbols in an
 dnl position independent way.
 AC_DEFINE(PI_STATIC_AND_HIDDEN)
--- libc/sysdeps/powerpc/powerpc64/configure.mp	2012-07-11 14:13:31.477962545 +0200
+++ libc/sysdeps/powerpc/powerpc64/configure	2012-07-11 14:14:06.001083430 +0200
@@ -144,67 +144,3 @@ if test x$libc_cv_overlapping_opd = xyes
   $as_echo "#define USE_PPC64_OVERLAPPING_OPD 1" >>confdefs.h
 
 fi
-
-# Check for support of thread-local storage handling in assembler and
-# linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for powerpc64 TLS support" >&5
-$as_echo_n "checking for powerpc64 TLS support... " >&6; }
-if ${libc_cv_powerpc64_tls+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.s <<\EOF
-	.section ".tdata","awT",@progbits
-x:      .quad   1
-x1:     .quad   1
-x2:     .quad   1
-x3:     .quad   1
-x4:     .long   1
-	.section ".toc","aw"
-.LC0:
-	.quad	x@dtpmod
-	.quad	x@dtprel
-.LC1:
-	.quad	x1@dtpmod
-	.quad	0
-.LC2:
-	.quad	x@tprel
-	.text
-	addi    3,2,x@got@tlsgd
-	addi    3,2,.LC0@toc
-	addi    3,2,x1@got@tlsld
-	addi    9,3,x1@dtprel
-	addis   9,3,x2@dtprel@ha
-	addi    9,9,x2@dtprel@l
-	ld      9,x3@got@dtprel(2)
-	addi    3,2,.LC0@toc
-	lwz     0,x1@dtprel(3)
-	ld      0,x1@dtprel(3)
-	addis   9,3,x2@dtprel@ha
-	lwz     0,x2@dtprel@l(9)
-	ld      0,x2@dtprel@l(9)
-	ld      9,x3@got@dtprel(2)
-	ld      9,x@got@tprel(2)
-	add     9,9,x@tls
-	ld      9,.LC2@toc(2)
-	add     9,9,.LC2@tls
-	addi    9,13,x1@tprel
-	addis   9,13,x2@tprel@ha
-	addi    9,9,x2@tprel@l
-EOF
-if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-  libc_cv_powerpc64_tls=yes
-else
-  libc_cv_powerpc64_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_powerpc64_tls" >&5
-$as_echo "$libc_cv_powerpc64_tls" >&6; }
-if test $libc_cv_powerpc64_tls = no; then
-  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
--- libc/sysdeps/powerpc/powerpc64/configure.in.mp	2012-07-11 14:13:31.481962560 +0200
+++ libc/sysdeps/powerpc/powerpc64/configure.in	2012-07-11 14:13:57.802054718 +0200
@@ -40,56 +40,3 @@ rm -f conftest.c conftest.s
 if test x$libc_cv_overlapping_opd = xyes; then
   AC_DEFINE(USE_PPC64_OVERLAPPING_OPD)
 fi
-
-# Check for support of thread-local storage handling in assembler and
-# linker.
-AC_CACHE_CHECK(for powerpc64 TLS support, libc_cv_powerpc64_tls, [dnl
-cat > conftest.s <<\EOF
-	.section ".tdata","awT",@progbits
-x:      .quad   1
-x1:     .quad   1
-x2:     .quad   1
-x3:     .quad   1
-x4:     .long   1
-	.section ".toc","aw"
-.LC0:
-	.quad	x@dtpmod
-	.quad	x@dtprel
-.LC1:
-	.quad	x1@dtpmod
-	.quad	0
-.LC2:
-	.quad	x@tprel
-	.text
-	addi    3,2,x@got@tlsgd
-	addi    3,2,.LC0@toc
-	addi    3,2,x1@got@tlsld
-	addi    9,3,x1@dtprel
-	addis   9,3,x2@dtprel@ha
-	addi    9,9,x2@dtprel@l
-	ld      9,x3@got@dtprel(2)
-	addi    3,2,.LC0@toc
-	lwz     0,x1@dtprel(3)
-	ld      0,x1@dtprel(3)
-	addis   9,3,x2@dtprel@ha
-	lwz     0,x2@dtprel@l(9)
-	ld      0,x2@dtprel@l(9)
-	ld      9,x3@got@dtprel(2)
-	ld      9,x@got@tprel(2)
-	add     9,9,x@tls
-	ld      9,.LC2@toc(2)
-	add     9,9,.LC2@tls
-	addi    9,13,x1@tprel
-	addis   9,13,x2@tprel@ha
-	addi    9,9,x2@tprel@l
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_powerpc64_tls=yes
-else
-  libc_cv_powerpc64_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_powerpc64_tls = no; then
-  AC_MSG_ERROR([the assembler must support TLS])
-fi
--- libc/sysdeps/powerpc/powerpc32/configure.mp	2012-07-11 14:14:31.171171566 +0200
+++ libc/sysdeps/powerpc/powerpc32/configure	2012-07-11 14:14:48.865233521 +0200
@@ -137,48 +137,3 @@ if test $libc_cv_ppc_secure_plt = yes; t
   $as_echo "#define HAVE_PPC_SECURE_PLT 1" >>confdefs.h
 
 fi
-
-# Check for support of thread-local storage handling in assembler and
-# linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for powerpc32 TLS support" >&5
-$as_echo_n "checking for powerpc32 TLS support... " >&6; }
-if ${libc_cv_powerpc32_tls+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.s <<\EOF
-	.section ".tdata","awT",@progbits
-x:	.long	1
-x1:	.long	1
-x2:	.long	1
-	.text
-	addi	3,31,x@got@tlsgd
-	addi	3,31,x1@got@tlsld
-	addi	9,3,x1@dtprel
-	addis	9,3,x2@dtprel@ha
-	addi	9,9,x2@dtprel@l
-	lwz	0,x1@dtprel(3)
-	addis	9,3,x2@dtprel@ha
-	lwz	0,x2@dtprel@l(9)
-	lwz	9,x3@got@tprel(31)
-	add	9,9,x@tls
-	addi	9,2,x1@tprel
-	addis	9,2,x2@tprel@ha
-	addi	9,9,x2@tprel@l
-EOF
-if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
-  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
-  (eval $ac_try) 2>&5
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; }; }; then
-  libc_cv_powerpc32_tls=yes
-else
-  libc_cv_powerpc32_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_powerpc32_tls" >&5
-$as_echo "$libc_cv_powerpc32_tls" >&6; }
-if test $libc_cv_powerpc32_tls = no; then
-  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
--- libc/sysdeps/powerpc/powerpc32/configure.in.mp	2012-07-11 14:14:31.175171578 +0200
+++ libc/sysdeps/powerpc/powerpc32/configure.in	2012-07-11 14:14:45.067220220 +0200
@@ -30,37 +30,3 @@ rm -rf conftest*])
 if test $libc_cv_ppc_secure_plt = yes; then
   AC_DEFINE(HAVE_PPC_SECURE_PLT)
 fi
-
-# Check for support of thread-local storage handling in assembler and
-# linker.
-AC_CACHE_CHECK(for powerpc32 TLS support, libc_cv_powerpc32_tls, [dnl
-cat > conftest.s <<\EOF
-	.section ".tdata","awT",@progbits
-x:	.long	1
-x1:	.long	1
-x2:	.long	1
-	.text
-	addi	3,31,x@got@tlsgd
-	addi	3,31,x1@got@tlsld
-	addi	9,3,x1@dtprel
-	addis	9,3,x2@dtprel@ha
-	addi	9,9,x2@dtprel@l
-	lwz	0,x1@dtprel(3)
-	addis	9,3,x2@dtprel@ha
-	lwz	0,x2@dtprel@l(9)
-	lwz	9,x3@got@tprel(31)
-	add	9,9,x@tls
-	addi	9,2,x1@tprel
-	addis	9,2,x2@tprel@ha
-	addi	9,9,x2@tprel@l
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_powerpc32_tls=yes
-else
-  libc_cv_powerpc32_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_powerpc32_tls = no; then
-  AC_MSG_ERROR([the assembler must support TLS])
-fi

	Marek


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