sparc64: Relax tls linking test.

ChangeLog

@@ -1,3 +1,10 @@
+2011-03-10  Mike Frysinger  <vapier@gentoo.org>
+
+	* sysdeps/sparc/sparc64/elf/configure.in (libc_cv_sparc64_tls): Add
+	$LDFLAGS and -nostdlib -nostartfiles to linking step.  Change main
+	to _start.
+	* sysdeps/sparc/sparc64/elf/configure: Regenerate.
+
 2011-03-06  Ulrich Drepper  <drepper@gmail.com>
 
 	* elf/dl-load.c (_dl_map_object): If we are looking for the first

sysdeps/sparc/sparc64/elf/configure

@@ -16,8 +16,8 @@ foo:	.word	1
 	.globl bar
 bar:	.skip	4
 	.text
-	.globl main
-main:	sethi	%tgd_hi22(foo), %l1
+	.globl _start
+_start:	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)
@@ -35,7 +35,7 @@ main:	sethi	%tgd_hi22(foo), %l1
 	sethi	%tle_hix22(foo), %l1
 	xor	%l1, %tle_lox10(foo), %l1
 EOF
-if { ac_try='${CC-cc} -o conftest.bin $CFLAGS conftest.s 1>&5'
+if { ac_try='${CC-cc} -o conftest.bin $CFLAGS $LDFLAGS conftest.s -nostdlib -nostartfiles 1>&5'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
   ac_status=$?

sysdeps/sparc/sparc64/elf/configure.in

@@ -13,8 +13,8 @@ foo:	.word	1
 	.globl bar
 bar:	.skip	4
 	.text
-	.globl main
-main:	sethi	%tgd_hi22(foo), %l1
+	.globl _start
+_start:	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)
@@ -34,7 +34,7 @@ main:	sethi	%tgd_hi22(foo), %l1
 EOF
 changequote([,])dnl
 dnl
-if AC_TRY_COMMAND(${CC-cc} -o conftest.bin $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
+if AC_TRY_COMMAND(${CC-cc} -o conftest.bin $CFLAGS $LDFLAGS conftest.s -nostdlib -nostartfiles 1>&AS_MESSAGE_LOG_FD); then
   libc_cv_sparc64_tls=yes
 else
   libc_cv_sparc64_tls=no