glibc/sysdeps/powerpc/powerpc32/configure

# 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/powerpc/powerpc32.

# See whether gas has R_PPC_REL16 relocs.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for R_PPC_REL16 gas support" >&5
$as_echo_n "checking for R_PPC_REL16 gas support... " >&6; }
if ${libc_cv_ppc_rel16+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat > conftest.s <<\EOF
	.text
	addis 11,30,_GLOBAL_OFFSET_TABLE_-.@ha
EOF
if { ac_try='${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_ppc_rel16=yes
else
  libc_cv_ppc_rel16=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc_rel16" >&5
$as_echo "$libc_cv_ppc_rel16" >&6; }
if test $libc_cv_ppc_rel16 = no; then
  as_fn_error $? "R_PPC_REL16 is not supported. Binutils is too old." "$LINENO" 5
fi

# See whether GCC uses -msecure-plt.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -msecure-plt by default" >&5
$as_echo_n "checking for -msecure-plt by default... " >&6; }
if ${libc_cv_ppc_secure_plt+:} false; then :
  $as_echo_n "(cached) " >&6
else
  echo 'int foo (void) { extern int bar; return bar; }' > conftest.c
libc_cv_ppc_secure_plt=no
if { ac_try='${CC-cc} -S $CFLAGS conftest.c -fpic -o conftest.s 1>&5'
  { { eval echo "\"\$as_me\":${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
  if grep '_GLOBAL_OFFSET_TABLE_-.*@ha' conftest.s > /dev/null 2>&1; then
    libc_cv_ppc_secure_plt=yes
  fi
fi
rm -rf conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ppc_secure_plt" >&5
$as_echo "$libc_cv_ppc_secure_plt" >&6; }
if test $libc_cv_ppc_secure_plt = yes; then
  $as_echo "#define HAVE_PPC_SECURE_PLT 1" >>confdefs.h

fi

# Check for support of thread-local storage handling in assembler and
# linker.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for powerpc32 TLS support" >&5
$as_echo_n "checking for powerpc32 TLS support... " >&6; }
if ${libc_cv_powerpc32_tls+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat > conftest.s <<\EOF
	.section ".tdata","awT",@progbits
x:	.long	1
x1:	.long	1
x2:	.long	1
	.text
	addi	3,31,x@got@tlsgd
	addi	3,31,x1@got@tlsld
	addi	9,3,x1@dtprel
	addis	9,3,x2@dtprel@ha
	addi	9,9,x2@dtprel@l
	lwz	0,x1@dtprel(3)
	addis	9,3,x2@dtprel@ha
	lwz	0,x2@dtprel@l(9)
	lwz	9,x3@got@tprel(31)
	add	9,9,x@tls
	addi	9,2,x1@tprel
	addis	9,2,x2@tprel@ha
	addi	9,9,x2@tprel@l
EOF
if { ac_try='${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_powerpc32_tls=yes
else
  libc_cv_powerpc32_tls=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_powerpc32_tls" >&5
$as_echo "$libc_cv_powerpc32_tls" >&6; }
if test $libc_cv_powerpc32_tls = no; then
  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
fi