Remove TLS configure checks for ARM and MIPS

["Joseph S. Myers" <joseph at codesourcery dot com>]

In line with a recent libc change I've applied these patches to remove TLS 
configure checks for ARM and MIPS.  Alpha, PA and IA64 should have similar 
changes.

diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index b105355..6ec068f 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,5 +1,8 @@
 2012-07-17  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/arm/configure.in: Remove TLS check.
+	* sysdeps/arm/configure: Regenerated.
+
 	* data/c++-types-arm-linux-gnueabi.data: Move to ...
 	* sysdeps/unix/sysv/linux/arm/nptl/c++-types.data: ... here.
 
diff --git a/ports/sysdeps/arm/configure b/ports/sysdeps/arm/configure
index 665151f..51fd725 100755
--- a/ports/sysdeps/arm/configure
+++ b/ports/sysdeps/arm/configure
@@ -100,42 +100,6 @@ $as_echo X/"$0" |
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/arm.
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ARM TLS support" >&5
-$as_echo_n "checking for ARM TLS support... " >&6; }
-if ${libc_cv_arm_tls+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat > conftest.s <<\EOF
-	.section ".tdata", "awT", %progbits
-	.globl foo
-foo:	.long	1
-	.section ".tbss", "awT", %nobits
-	.globl bar
-bar:	.skip	4
-	.text
-.word	foo(tpoff)
-.word	foo(tlsgd)
-EOF
-if { ac_try='${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_arm_tls=yes
-else
-  libc_cv_arm_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arm_tls" >&5
-$as_echo "$libc_cv_arm_tls" >&6; }
-if test $libc_cv_arm_tls = no; then
-  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
-
 #AC_DEFINE(PI_STATIC_AND_HIDDEN)
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the CFI directive .cfi_sections is supported" >&5
diff --git a/ports/sysdeps/arm/configure.in b/ports/sysdeps/arm/configure.in
index 64cef5f..7e91332 100644
--- a/ports/sysdeps/arm/configure.in
+++ b/ports/sysdeps/arm/configure.in
@@ -1,31 +1,6 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/arm.
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-AC_CACHE_CHECK(for ARM TLS support, libc_cv_arm_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
-.word	foo(tpoff)
-.word	foo(tlsgd)
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_arm_tls=yes
-else
-  libc_cv_arm_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_arm_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.
 dnl NOTE: This feature was added by the GCC TLS patches.  We should test for


diff --git a/ports/ChangeLog.mips b/ports/ChangeLog.mips
index 3f15ffb..fe67b4a 100644
--- a/ports/ChangeLog.mips
+++ b/ports/ChangeLog.mips
@@ -1,5 +1,8 @@
 2012-07-17  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/mips/configure.in: Remove TLS check.
+	* sysdeps/mips/configure: Regenerated.
+
 	* sysdeps/unix/sysv/linux/mips/mips32/nptl/c++-types.data: New
 	file.
 	* sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/c++-types.data:
diff --git a/ports/sysdeps/mips/configure b/ports/sysdeps/mips/configure
index e80f0a0..898e4c3 100644
--- a/ports/sysdeps/mips/configure
+++ b/ports/sysdeps/mips/configure
@@ -1,123 +1,3 @@
-
-# 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/mips.
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for MIPS TLS support" >&5
-$as_echo_n "checking for MIPS TLS support... " >&6; }
-if ${libc_cv_mips_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
-
-	lw	$25, %call16(__tls_get_addr)($28)
-	jalr	$25
-	addiu	$4, $28, %tlsgd(x)
-EOF
-if { ac_try='${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_mips_tls=yes
-else
-  libc_cv_mips_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mips_tls" >&5
-$as_echo "$libc_cv_mips_tls" >&6; }
-if test $libc_cv_mips_tls = no; then
-  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
-
diff --git a/ports/sysdeps/mips/configure.in b/ports/sysdeps/mips/configure.in
index ed92d29..be9672d 100644
--- a/ports/sysdeps/mips/configure.in
+++ b/ports/sysdeps/mips/configure.in
@@ -1,33 +1,6 @@
 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
 # Local configure fragment for sysdeps/mips.
 
-# Check for support of thread-local storage handling in assembler and
-# linker.
-AC_CACHE_CHECK(for MIPS TLS support, libc_cv_mips_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
-
-	lw	$25, %call16(__tls_get_addr)($28)
-	jalr	$25
-	addiu	$4, $28, %tlsgd(x) 
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
-  libc_cv_mips_tls=yes
-else
-  libc_cv_mips_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_mips_tls = no; then
-  AC_MSG_ERROR([the assembler must support TLS])
-fi
-
 dnl No MIPS GCC supports accessing static and hidden symbols in an
 dnl position independent way.
 dnl AC_DEFINE(PI_STATIC_AND_HIDDEN)


-- 
Joseph S. Myers
joseph@codesourcery.com