2002-06-04 Roland McGrath <roland@frob.com>

* sysdeps/alpha/elf/configure.in: New file.  Check for TLS support.
	* sysdeps/alpha/elf/configure: New file (generated).

sysdeps/alpha/elf/configure

@@ -0,0 +1,60 @@
+ # Local configure fragment for sysdeps/alpha/elf.
+
+if test "$usetls" != no; then
+# Check for support of thread-local storage handling in assembler and
+# linker.
+echo $ac_n "checking for Alpha TLS support""... $ac_c" 1>&6
+echo "configure:8: checking for Alpha TLS support" >&5
+if eval "test \"`echo '$''{'libc_cv_alpha_tls'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&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:
+	.set nomacro
+	ldq	$27, __tls_get_addr($29)	!literal!1
+	ldq	$16, a($29)			!tlsgd!1
+	jsr	$26, ($27), __tls_get_addr	!lituse_tlsgd!1
+
+	jsr	$26, ($27), __tls_get_addr	!lituse_tlsldm!2
+	ldq	$27, __tls_get_addr($29)	!literal!2
+	ldq	$16, b($29)			!tlsldm!2
+
+	ldq	$16, c($29)			!tlsgd
+	ldq	$16, d($29)			!tlsldm
+
+	ldq	$16, e($29)			!tlsgd!3
+	ldq	$16, f($29)			!tlsldm!4
+
+	ldq	$16, g($29)			!gotdtprel
+	ldah	$16, h($31)			!dtprelhi
+	lda	$16, i($16)			!dtprello
+	lda	$16, j($31)			!dtprel
+
+	ldq	$16, k($29)			!gottprel
+	ldah	$16, l($31)			!tprelhi
+	lda	$16, m($16)			!tprello
+	lda	$16, n($31)			!tprel
+EOF
+if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:46: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+  libc_cv_alpha_tls=yes
+else
+  libc_cv_alpha_tls=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$libc_cv_alpha_tls" 1>&6
+if test $libc_cv_alpha_tls = yes; then
+  cat >> confdefs.h <<\EOF
+#define HAVE_TLS_SUPPORT 1
+EOF
+
+fi
+fi