glibc/sysdeps/powerpc/powerpc32/configure
2012-07-17 23:57:43 +02:00

140 lines
3.8 KiB
Plaintext

# 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