glibc/sysdeps/i386/elf/configure
Ulrich Drepper 6a649d25bb Help the compiler recognize unreachable code on 32-bit machines.
2007-10-16  Ulrich Drepper  <drepper@redhat.com>

	* time/tzfile.c (__tzfile_read): Help the compiler recognize
	unreachable code on 32-bit machines.
2007-10-16 23:25:46 +00:00

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# This file is generated from configure.in by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/i386/elf.
if test "$usetls" != no; then
# Check for support of thread-local storage handling in assembler and
# linker.
{ echo "$as_me:$LINENO: checking for i386 TLS support" >&5
echo $ECHO_N "checking for i386 TLS support... $ECHO_C" >&6; }
if test "${libc_cv_386_tls+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&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:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
libc_cv_386_tls=yes
else
libc_cv_386_tls=no
fi
rm -f conftest*
fi
{ echo "$as_me:$LINENO: result: $libc_cv_386_tls" >&5
echo "${ECHO_T}$libc_cv_386_tls" >&6; }
if test $libc_cv_386_tls = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_TLS_SUPPORT 1
_ACEOF
fi
fi
cat >>confdefs.h <<\_ACEOF
#define PI_STATIC_AND_HIDDEN 1
_ACEOF