[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / mips / configure

# This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
 # Local configure fragment for sysdeps/unix/sysv/linux/mips.


cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

    #if (_MIPS_SIM != _ABIO32)
    #error Not O32 ABI
    #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_abi=o32
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

      #if (_MIPS_SIM != _ABIN32)
      #error Not N32 ABI
      #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_abi=n32
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

        #if (_MIPS_SIM != _ABI64)
        #error Not 64 ABI
        #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_abi=n64
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

if test -z "$libc_mips_abi"; then
  as_fn_error $? "could not determine what ABI the compiler is using" "$LINENO" 5
fi

cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

    #if !defined(__mips_soft_float)
    #error Not soft ABI
    #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_float=soft
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

      #if !defined(__mips_hard_float)
      #error Not hard ABI
      #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_float=hard
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

if test -z "$libc_mips_float"; then
  as_fn_error $? "could not determine if compiler is using hard or soft floating point ABI" "$LINENO" 5
fi

libc_mips_o32_fp=
libc_cv_mips_fp64=
libc_cv_mips_modd_spreg=

if test x"$libc_mips_abi" = xo32 -a x"$libc_mips_float" = xhard; then
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

      #if !defined(__mips_fpr)
      #error Missing FPR sizes
      #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

        #if (__mips_fpr != 32)
        #error Not FP32
        #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_o32_fp=32
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

          #if (__mips_fpr != 0) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16)
          #error Not FPXX (without odd single-precision registers)
          #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_o32_fp=xx
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

            #if (__mips_fpr != 0)
            #error Not FPXX (with odd single precision registers)
            #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_o32_fp=xxo
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

              #if (__mips_fpr != 64) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16)
              #error Not FP64A
              #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_o32_fp=64a
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

                #if (__mips_fpr != 64)
                #error Not FP64
                #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_o32_fp=64
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

  if { ac_try='${CC-cc} -mfp64 -xc /dev/null -S -o /dev/null'
  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; }; then :
  libc_cv_mips_fp64=yes
else
  libc_cv_mips_fp64=no
fi
  if { ac_try='${CC-cc} -Werror -modd-spreg -xc /dev/null -S -o /dev/null'
  { { 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 $ac_status = 0; }; }; then :
  libc_cv_mips_modd_spreg=yes
else
  libc_cv_mips_modd_spreg=no
fi
fi
config_vars="$config_vars
o32-fpabi = ${libc_mips_o32_fp}"
config_vars="$config_vars
has-mpf64 = ${libc_cv_mips_fp64}"
config_vars="$config_vars
has-modd-spreg = ${libc_cv_mips_modd_spreg}"

cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

    #include <linux/prctl.h>
    #if !defined(PR_GET_FP_MODE) || !defined(PR_SET_FP_MODE)
    #error New prctl support for setting FP modes not found
    #endif
int
main ()
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
  libc_mips_mode_switch=yes
else
  libc_mips_mode_switch=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
config_vars="$config_vars
mips-mode-switch = ${libc_mips_mode_switch}"


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
if ${ac_cv_path_GREP+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -z "$GREP"; then
  ac_path_GREP_found=false
  # Loop through the user's path and test for each of PROGNAME-LIST
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_prog in grep ggrep; do
    for ac_exec_ext in '' $ac_executable_extensions; do
      ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
      as_fn_executable_p "$ac_path_GREP" || continue
# Check for GNU ac_path_GREP and select it if it is found.
  # Check for GNU $ac_path_GREP
case `"$ac_path_GREP" --version 2>&1` in
*GNU*)
  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
*)
  ac_count=0
  $as_echo_n 0123456789 >"conftest.in"
  while :
  do
    cat "conftest.in" "conftest.in" >"conftest.tmp"
    mv "conftest.tmp" "conftest.in"
    cp "conftest.in" "conftest.nl"
    $as_echo 'GREP' >> "conftest.nl"
    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
    as_fn_arith $ac_count + 1 && ac_count=$as_val
    if test $ac_count -gt ${ac_path_GREP_max-0}; then
      # Best one so far, save it but keep looking for a better one
      ac_cv_path_GREP="$ac_path_GREP"
      ac_path_GREP_max=$ac_count
    fi
    # 10*(2^10) chars as input seems more than enough
    test $ac_count -gt 10 && break
  done
  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
esac

      $ac_path_GREP_found && break 3
    done
  done
  done
IFS=$as_save_IFS
  if test -z "$ac_cv_path_GREP"; then
    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
  fi
else
  ac_cv_path_GREP=$GREP
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
$as_echo "$ac_cv_path_GREP" >&6; }
 GREP="$ac_cv_path_GREP"


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
$as_echo_n "checking for egrep... " >&6; }
if ${ac_cv_path_EGREP+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
   then ac_cv_path_EGREP="$GREP -E"
   else
     if test -z "$EGREP"; then
  ac_path_EGREP_found=false
  # Loop through the user's path and test for each of PROGNAME-LIST
  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_prog in egrep; do
    for ac_exec_ext in '' $ac_executable_extensions; do
      ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
      as_fn_executable_p "$ac_path_EGREP" || continue
# Check for GNU ac_path_EGREP and select it if it is found.
  # Check for GNU $ac_path_EGREP
case `"$ac_path_EGREP" --version 2>&1` in
*GNU*)
  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
*)
  ac_count=0
  $as_echo_n 0123456789 >"conftest.in"
  while :
  do
    cat "conftest.in" "conftest.in" >"conftest.tmp"
    mv "conftest.tmp" "conftest.in"
    cp "conftest.in" "conftest.nl"
    $as_echo 'EGREP' >> "conftest.nl"
    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
    as_fn_arith $ac_count + 1 && ac_count=$as_val
    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
      # Best one so far, save it but keep looking for a better one
      ac_cv_path_EGREP="$ac_path_EGREP"
      ac_path_EGREP_max=$ac_count
    fi
    # 10*(2^10) chars as input seems more than enough
    test $ac_count -gt 10 && break
  done
  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
esac

      $ac_path_EGREP_found && break 3
    done
  done
  done
IFS=$as_save_IFS
  if test -z "$ac_cv_path_EGREP"; then
    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
  fi
else
  ac_cv_path_EGREP=$EGREP
fi

   fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
$as_echo "$ac_cv_path_EGREP" >&6; }
 EGREP="$ac_cv_path_EGREP"


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the 2008 NaN encoding" >&5
$as_echo_n "checking whether the compiler is using the 2008 NaN encoding... " >&6; }
if ${libc_cv_mips_nan2008+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
dnl
#ifdef __mips_nan2008
yes
#endif
_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  $EGREP "yes" >/dev/null 2>&1; then :
  libc_cv_mips_nan2008=yes
else
  libc_cv_mips_nan2008=no
fi
rm -f conftest*

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mips_nan2008" >&5
$as_echo "$libc_cv_mips_nan2008" >&6; }

libc_mips_nan=
if test x"$libc_cv_mips_nan2008" = xyes; then
  libc_mips_nan=_2008
fi

config_vars="$config_vars
default-abi = ${libc_mips_abi}_${libc_mips_float}${libc_mips_nan}"

case $machine in
mips/mips64/n64/*)
  test -n "$libc_cv_slibdir" ||
case "$prefix" in
/usr | /usr/)
  libc_cv_slibdir='/lib64'
  libc_cv_rtlddir='/lib64'
  if test "$libdir" = '${exec_prefix}/lib'; then
    libdir='${exec_prefix}/lib64';
    # Locale data can be shared between 32-bit and 64-bit libraries.
    libc_cv_complocaledir='${exec_prefix}/lib/locale'
  fi
  ;;
esac
  ;;
mips/mips64/n32/*)
  test -n "$libc_cv_slibdir" ||
case "$prefix" in
/usr | /usr/)
  libc_cv_slibdir='/lib32'
  libc_cv_rtlddir='/lib32'
  if test "$libdir" = '${exec_prefix}/lib'; then
    libdir='${exec_prefix}/lib32';
    # Locale data can be shared between 32-bit and 64-bit libraries.
    libc_cv_complocaledir='${exec_prefix}/lib/locale'
  fi
  ;;
esac
  ;;
esac

libc_cv_gcc_unwind_find_fde=yes

if test -z "$arch_minimum_kernel"; then
  if test x$libc_cv_mips_nan2008 = xyes; then
    arch_minimum_kernel=4.5.0
  fi
fi
Commit	Line	Data
cb8a6dbd	1	# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
faef8a3c AO	2	# Local configure fragment for sysdeps/unix/sysv/linux/mips.
faef8a3c AO	3
48b76e2d SE	4
	5	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	6	/* end confdefs.h. */
	7
	8	#if (_MIPS_SIM != _ABIO32)
	9	#error Not O32 ABI
	10	#endif
	11	int
	12	main ()
	13	{
	14
	15	;
	16	return 0;
	17	}
	18	_ACEOF
	19	if ac_fn_c_try_compile "$LINENO"; then :
	20	libc_mips_abi=o32
	21	else
	22	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	23	/* end confdefs.h. */
	24
	25	#if (_MIPS_SIM != _ABIN32)
	26	#error Not N32 ABI
	27	#endif
	28	int
	29	main ()
	30	{
	31
	32	;
	33	return 0;
	34	}
	35	_ACEOF
	36	if ac_fn_c_try_compile "$LINENO"; then :
	37	libc_mips_abi=n32
	38	else
	39	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	40	/* end confdefs.h. */
	41
	42	#if (_MIPS_SIM != _ABI64)
	43	#error Not 64 ABI
	44	#endif
	45	int
	46	main ()
	47	{
	48
	49	;
	50	return 0;
	51	}
	52	_ACEOF
	53	if ac_fn_c_try_compile "$LINENO"; then :
	54	libc_mips_abi=n64
	55	fi
	56	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
	57	fi
	58	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
	59	fi
	60	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
	61
	62	if test -z "$libc_mips_abi"; then
46879bae	63	as_fn_error $? "could not determine what ABI the compiler is using" "$LINENO" 5
48b76e2d SE	64	fi
	65
	66	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	67	/* end confdefs.h. */
	68
	69	#if !defined(__mips_soft_float)
	70	#error Not soft ABI
	71	#endif
	72	int
	73	main ()
	74	{
	75
	76	;
	77	return 0;
	78	}
	79	_ACEOF
	80	if ac_fn_c_try_compile "$LINENO"; then :
	81	libc_mips_float=soft
	82	else
	83	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	84	/* end confdefs.h. */
	85
	86	#if !defined(__mips_hard_float)
	87	#error Not hard ABI
	88	#endif
	89	int
	90	main ()
	91	{
	92
	93	;
	94	return 0;
	95	}
	96	_ACEOF
	97	if ac_fn_c_try_compile "$LINENO"; then :
	98	libc_mips_float=hard
	99	fi
	100	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
	101	fi
	102	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
	103
	104	if test -z "$libc_mips_float"; then
46879bae	105	as_fn_error $? "could not determine if compiler is using hard or soft floating point ABI" "$LINENO" 5
48b76e2d SE	106	fi
48b76e2d SE	107
0bd95672	108	libc_mips_o32_fp=
578d0805 AJ	109	libc_cv_mips_fp64=
578d0805 AJ	110	libc_cv_mips_modd_spreg=
0bd95672 MF	111
	112	if test x"$libc_mips_abi" = xo32 -a x"$libc_mips_float" = xhard; then
	113	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	114	/* end confdefs.h. */
	115
	116	#if !defined(__mips_fpr)
	117	#error Missing FPR sizes
	118	#endif
	119	int
	120	main ()
	121	{
	122
	123	;
	124	return 0;
	125	}
	126	_ACEOF
	127	if ac_fn_c_try_compile "$LINENO"; then :
	128	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	129	/* end confdefs.h. */
	130
	131	#if (__mips_fpr != 32)
	132	#error Not FP32
	133	#endif
	134	int
	135	main ()
	136	{
	137
	138	;
	139	return 0;
	140	}
	141	_ACEOF
	142	if ac_fn_c_try_compile "$LINENO"; then :
	143	libc_mips_o32_fp=32
	144	else
	145	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	146	/* end confdefs.h. */
	147
	148	#if (__mips_fpr != 0) \|\| !defined(_MIPS_SPFPSET) \|\| (_MIPS_SPFPSET != 16)
	149	#error Not FPXX (without odd single-precision registers)
	150	#endif
	151	int
	152	main ()
	153	{
	154
	155	;
	156	return 0;
	157	}
	158	_ACEOF
	159	if ac_fn_c_try_compile "$LINENO"; then :
	160	libc_mips_o32_fp=xx
	161	else
	162	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	163	/* end confdefs.h. */
	164
	165	#if (__mips_fpr != 0)
	166	#error Not FPXX (with odd single precision registers)
	167	#endif
	168	int
	169	main ()
	170	{
	171
	172	;
	173	return 0;
	174	}
175	_ACEOF
176	if ac_fn_c_try_compile "$LINENO"; then :
177	libc_mips_o32_fp=xxo
178	else
179	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
180	/* end confdefs.h. */
181
182	#if (__mips_fpr != 64) \|\| !defined(_MIPS_SPFPSET) \|\| (_MIPS_SPFPSET != 16)
183	#error Not FP64A
184	#endif
185	int
186	main ()
187	{
188
189	;
190	return 0;
191	}
192	_ACEOF
193	if ac_fn_c_try_compile "$LINENO"; then :
194	libc_mips_o32_fp=64a
195	else
196	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
197	/* end confdefs.h. */
198
199	#if (__mips_fpr != 64)
200	#error Not FP64
201	#endif
202	int
203	main ()
204	{
205
206	;
207	return 0;
208	}
209	_ACEOF
210	if ac_fn_c_try_compile "$LINENO"; then :
211	libc_mips_o32_fp=64
212	fi
213	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
214	fi
215	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
216	fi
217	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
218	fi
219	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
220	fi
221	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
222	fi
223	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
578d0805 AJ	224
	225	if { ac_try='${CC-cc} -mfp64 -xc /dev/null -S -o /dev/null'
	226	{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
	227	(eval $ac_try) 2>&5
	228	ac_status=$?
	229	$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
	230	test $ac_status = 0; }; }; then :
	231	libc_cv_mips_fp64=yes
	232	else
	233	libc_cv_mips_fp64=no
	234	fi
	235	if { ac_try='${CC-cc} -Werror -modd-spreg -xc /dev/null -S -o /dev/null'
	236	{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
	237	(eval $ac_try) 2>&5
	238	ac_status=$?
	239	$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
	240	test $ac_status = 0; }; }; then :
	241	libc_cv_mips_modd_spreg=yes
	242	else
	243	libc_cv_mips_modd_spreg=no
	244	fi
0bd95672 MF	245	fi
	246	config_vars="$config_vars
	247	o32-fpabi = ${libc_mips_o32_fp}"
578d0805 AJ	248	config_vars="$config_vars
	249	has-mpf64 = ${libc_cv_mips_fp64}"
	250	config_vars="$config_vars
	251	has-modd-spreg = ${libc_cv_mips_modd_spreg}"
0bd95672 MF	252
	253	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	254	/* end confdefs.h. */
	255
	256	#include <linux/prctl.h>
	257	#if !defined(PR_GET_FP_MODE) \|\| !defined(PR_SET_FP_MODE)
	258	#error New prctl support for setting FP modes not found
	259	#endif
	260	int
	261	main ()
	262	{
	263
	264	;
	265	return 0;
	266	}
	267	_ACEOF
	268	if ac_fn_c_try_compile "$LINENO"; then :
	269	libc_mips_mode_switch=yes
	270	else
	271	libc_mips_mode_switch=no
	272	fi
	273	rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
	274	config_vars="$config_vars
	275	mips-mode-switch = ${libc_mips_mode_switch}"
	276
9c21573c MR	277
	278	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
	279	$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
	280	if ${ac_cv_path_GREP+:} false; then :
	281	$as_echo_n "(cached) " >&6
	282	else
	283	if test -z "$GREP"; then
	284	ac_path_GREP_found=false
	285	# Loop through the user's path and test for each of PROGNAME-LIST
	286	as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
	287	for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
	288	do
	289	IFS=$as_save_IFS
	290	test -z "$as_dir" && as_dir=.
	291	for ac_prog in grep ggrep; do
	292	for ac_exec_ext in '' $ac_executable_extensions; do
	293	ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
f4a58f0d	294	as_fn_executable_p "$ac_path_GREP" \|\| continue
9c21573c MR	295	# Check for GNU ac_path_GREP and select it if it is found.
	296	# Check for GNU $ac_path_GREP
	297	case `"$ac_path_GREP" --version 2>&1` in
	298	GNU)
	299	ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
	300	*)
	301	ac_count=0
	302	$as_echo_n 0123456789 >"conftest.in"
	303	while :
	304	do
	305	cat "conftest.in" "conftest.in" >"conftest.tmp"
	306	mv "conftest.tmp" "conftest.in"
	307	cp "conftest.in" "conftest.nl"
	308	$as_echo 'GREP' >> "conftest.nl"
	309	"$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null \|\| break
	310	diff "conftest.out" "conftest.nl" >/dev/null 2>&1 \|\| break
	311	as_fn_arith $ac_count + 1 && ac_count=$as_val
	312	if test $ac_count -gt ${ac_path_GREP_max-0}; then
	313	# Best one so far, save it but keep looking for a better one
	314	ac_cv_path_GREP="$ac_path_GREP"
	315	ac_path_GREP_max=$ac_count
	316	fi
	317	# 10*(2^10) chars as input seems more than enough
	318	test $ac_count -gt 10 && break
	319	done
	320	rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
	321	esac
	322
	323	$ac_path_GREP_found && break 3
	324	done
	325	done
	326	done
	327	IFS=$as_save_IFS
	328	if test -z "$ac_cv_path_GREP"; then
	329	as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
	330	fi
	331	else
	332	ac_cv_path_GREP=$GREP
	333	fi
	334
	335	fi
	336	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
	337	$as_echo "$ac_cv_path_GREP" >&6; }
	338	GREP="$ac_cv_path_GREP"
	339
	340
	341	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
	342	$as_echo_n "checking for egrep... " >&6; }
	343	if ${ac_cv_path_EGREP+:} false; then :
	344	$as_echo_n "(cached) " >&6
	345	else
	346	if echo a \| $GREP -E '(a\|b)' >/dev/null 2>&1
	347	then ac_cv_path_EGREP="$GREP -E"
	348	else
	349	if test -z "$EGREP"; then
	350	ac_path_EGREP_found=false
	351	# Loop through the user's path and test for each of PROGNAME-LIST
	352	as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
	353	for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
	354	do
	355	IFS=$as_save_IFS
	356	test -z "$as_dir" && as_dir=.
	357	for ac_prog in egrep; do
	358	for ac_exec_ext in '' $ac_executable_extensions; do
359	ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
f4a58f0d	360	as_fn_executable_p "$ac_path_EGREP" \|\| continue
9c21573c MR	361	# Check for GNU ac_path_EGREP and select it if it is found.
	362	# Check for GNU $ac_path_EGREP
	363	case `"$ac_path_EGREP" --version 2>&1` in
	364	GNU)
	365	ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
	366	*)
	367	ac_count=0
	368	$as_echo_n 0123456789 >"conftest.in"
	369	while :
	370	do
	371	cat "conftest.in" "conftest.in" >"conftest.tmp"
	372	mv "conftest.tmp" "conftest.in"
	373	cp "conftest.in" "conftest.nl"
	374	$as_echo 'EGREP' >> "conftest.nl"
	375	"$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null \|\| break
	376	diff "conftest.out" "conftest.nl" >/dev/null 2>&1 \|\| break
	377	as_fn_arith $ac_count + 1 && ac_count=$as_val
	378	if test $ac_count -gt ${ac_path_EGREP_max-0}; then
	379	# Best one so far, save it but keep looking for a better one
	380	ac_cv_path_EGREP="$ac_path_EGREP"
	381	ac_path_EGREP_max=$ac_count
	382	fi
	383	# 10*(2^10) chars as input seems more than enough
	384	test $ac_count -gt 10 && break
	385	done
	386	rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
	387	esac
	388
	389	$ac_path_EGREP_found && break 3
	390	done
	391	done
	392	done
	393	IFS=$as_save_IFS
	394	if test -z "$ac_cv_path_EGREP"; then
	395	as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
	396	fi
	397	else
	398	ac_cv_path_EGREP=$EGREP
	399	fi
	400
	401	fi
	402	fi
	403	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
	404	$as_echo "$ac_cv_path_EGREP" >&6; }
	405	EGREP="$ac_cv_path_EGREP"
	406
	407
	408	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler is using the 2008 NaN encoding" >&5
	409	$as_echo_n "checking whether the compiler is using the 2008 NaN encoding... " >&6; }
	410	if ${libc_cv_mips_nan2008+:} false; then :
	411	$as_echo_n "(cached) " >&6
	412	else
	413	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
	414	/* end confdefs.h. */
	415	dnl
	416	#ifdef __mips_nan2008
	417	yes
	418	#endif
	419	_ACEOF
	420	if (eval "$ac_cpp conftest.$ac_ext") 2>&5 \|
	421	$EGREP "yes" >/dev/null 2>&1; then :
	422	libc_cv_mips_nan2008=yes
	423	else
	424	libc_cv_mips_nan2008=no
425	fi
426	rm -f conftest*
427
428	fi
429	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mips_nan2008" >&5
430	$as_echo "$libc_cv_mips_nan2008" >&6; }
431
432	libc_mips_nan=
433	if test x"$libc_cv_mips_nan2008" = xyes; then
434	libc_mips_nan=_2008
435	fi
436
defa0357	437	config_vars="$config_vars
9c21573c	438	default-abi = ${libc_mips_abi}_${libc_mips_float}${libc_mips_nan}"
48b76e2d	439
d95ffd4c JM	440	case $machine in
	441	mips/mips64/n64/*)
	442	test -n "$libc_cv_slibdir" \|\|
aea60744 DJ	443	case "$prefix" in
aea60744 DJ	444	/usr \| /usr/)
128c43a2 AS	445	libc_cv_slibdir='/lib64'
128c43a2 AS	446	libc_cv_rtlddir='/lib64'
d95ffd4c JM	447	if test "$libdir" = '${exec_prefix}/lib'; then
	448	libdir='${exec_prefix}/lib64';
	449	# Locale data can be shared between 32-bit and 64-bit libraries.
90fe682d	450	libc_cv_complocaledir='${exec_prefix}/lib/locale'
d95ffd4c JM	451	fi
	452	;;
	453	esac
	454	;;
	455	mips/mips64/n32/*)
	456	test -n "$libc_cv_slibdir" \|\|
	457	case "$prefix" in
	458	/usr \| /usr/)
128c43a2 AS	459	libc_cv_slibdir='/lib32'
128c43a2 AS	460	libc_cv_rtlddir='/lib32'
d95ffd4c JM	461	if test "$libdir" = '${exec_prefix}/lib'; then
	462	libdir='${exec_prefix}/lib32';
	463	# Locale data can be shared between 32-bit and 64-bit libraries.
90fe682d	464	libc_cv_complocaledir='${exec_prefix}/lib/locale'
d95ffd4c JM	465	fi
	466	;;
	467	esac
	468	;;
aea60744 DJ	469	esac
aea60744 DJ	470
6dad2c06	471	libc_cv_gcc_unwind_find_fde=yes
9c21573c MR	472
	473	if test -z "$arch_minimum_kernel"; then
	474	if test x$libc_cv_mips_nan2008 = xyes; then
d5f2798a	475	arch_minimum_kernel=4.5.0
9c21573c MR	476	fi
9c21573c MR	477	fi