sysdeps/x86_64/elf/configure

   1 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
   2  # Local configure fragment for sysdeps/x86_64/elf.
   3
   4 if test "$usetls" != no; then
   5 # Check for support of thread-local storage handling in assembler and linker.
   6 echo "$as_me:$LINENO: checking for x86-64 TLS support" >&5
   7 echo $ECHO_N "checking for x86-64 TLS support... $ECHO_C" >&6
   8 if test "${libc_cv_x86_64_tls+set}" = set; then
   9   echo $ECHO_N "(cached) $ECHO_C" >&6
  10 else
  11   cat > conftest.s <<\EOF
  12         .section ".tdata", "awT", @progbits
  13         .globl foo
  14 foo:    .quad   1
  15         .section ".tbss", "awT", @nobits
  16         .globl bar
  17 bar:    .skip   8
  18         .text
  19 baz:    leaq    bar@TLSLD(%rip), %rdi
  20         leaq    bar@DTPOFF(%rax), %rcx
  21         addq    foo@GOTTPOFF(%rip), %rax
  22         movq    $bar@TPOFF, %rdx
  23 EOF
  24 if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
  25   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  26   (eval $ac_try) 2>&5
  27   ac_status=$?
  28   echo "$as_me:$LINENO: \$? = $ac_status" >&5
  29   (exit $ac_status); }; }; then
  30   libc_cv_x86_64_tls=yes
  31 else
  32   libc_cv_x86_64_tls=no
  33 fi
  34 rm -f conftest*
  35 fi
  36 echo "$as_me:$LINENO: result: $libc_cv_x86_64_tls" >&5
  37 echo "${ECHO_T}$libc_cv_x86_64_tls" >&6
  38 if test $libc_cv_x86_64_tls = yes; then
  39   cat >>confdefs.h <<\_ACEOF
  40 #define HAVE_TLS_SUPPORT 1
  41 _ACEOF
  42
  43 fi
  44 fi
  45
  46 cat >>confdefs.h <<\_ACEOF
  47 #define PI_STATIC_AND_HIDDEN 1
  48 _ACEOF
  49