Missed regeneration.

From-SVN: r151516
This commit is contained in:
Kai Tietz 2009-09-08 17:28:27 +02:00
parent 34c6743caf
commit fa8023742a

551
gcc/configure vendored
View file

@ -2385,34 +2385,76 @@ $as_echo "$ac_res" >&6; }
} # ac_fn_c_check_type
# ac_fn_c_check_header_preproc LINENO HEADER VAR
# ----------------------------------------------
# Tests whether HEADER is present, setting the cache variable VAR accordingly.
ac_fn_c_check_header_preproc ()
# ac_fn_c_find_intX_t LINENO BITS VAR
# -----------------------------------
# Finds a signed integer type with width BITS, setting cache variable VAR
# accordingly.
ac_fn_c_find_intX_t ()
{
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for int$2_t" >&5
$as_echo_n "checking for int$2_t... " >&6; }
if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
$as_echo_n "(cached) " >&6
else
eval "$3=no"
for ac_type in int$2_t 'int' 'long int' \
'long long int' 'short int' 'signed char'; do
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
$ac_includes_default
int
main ()
{
static int test_array [1 - 2 * !(0 < ($ac_type) (((($ac_type) 1 << ($2 - 2)) - 1) * 2 + 1))];
test_array [0] = 0
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <$2>
$ac_includes_default
int
main ()
{
static int test_array [1 - 2 * !(($ac_type) (((($ac_type) 1 << ($2 - 2)) - 1) * 2 + 1)
< ($ac_type) (((($ac_type) 1 << ($2 - 2)) - 1) * 2 + 2))];
test_array [0] = 0
;
return 0;
}
_ACEOF
if ac_fn_c_try_cpp "$LINENO"; then :
eval "$3=yes"
if ac_fn_c_try_compile "$LINENO"; then :
else
eval "$3=no"
case $ac_type in #(
int$2_t) :
eval "$3=yes" ;; #(
*) :
eval "$3=\$ac_type" ;;
esac
fi
rm -f conftest.err conftest.$ac_ext
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
eval as_val=\$$3
if test "x$as_val" = x""no; then :
else
break
fi
done
fi
eval ac_res=\$$3
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
} # ac_fn_c_check_header_preproc
} # ac_fn_c_find_intX_t
# ac_fn_c_try_link LINENO
# -----------------------
@ -2460,6 +2502,87 @@ fi
} # ac_fn_c_try_link
# ac_fn_c_find_uintX_t LINENO BITS VAR
# ------------------------------------
# Finds an unsigned integer type with width BITS, setting cache variable VAR
# accordingly.
ac_fn_c_find_uintX_t ()
{
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uint$2_t" >&5
$as_echo_n "checking for uint$2_t... " >&6; }
if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
$as_echo_n "(cached) " >&6
else
eval "$3=no"
for ac_type in uint$2_t 'unsigned int' 'unsigned long int' \
'unsigned long long int' 'unsigned short int' 'unsigned char'; do
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
$ac_includes_default
int
main ()
{
static int test_array [1 - 2 * !(($ac_type) -1 >> ($2 - 1) == 1)];
test_array [0] = 0
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
case $ac_type in #(
uint$2_t) :
eval "$3=yes" ;; #(
*) :
eval "$3=\$ac_type" ;;
esac
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
eval as_val=\$$3
if test "x$as_val" = x""no; then :
else
break
fi
done
fi
eval ac_res=\$$3
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
} # ac_fn_c_find_uintX_t
# ac_fn_c_check_header_preproc LINENO HEADER VAR
# ----------------------------------------------
# Tests whether HEADER is present, setting the cache variable VAR accordingly.
ac_fn_c_check_header_preproc ()
{
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <$2>
_ACEOF
if ac_fn_c_try_cpp "$LINENO"; then :
eval "$3=yes"
else
eval "$3=no"
fi
rm -f conftest.err conftest.$ac_ext
fi
eval ac_res=\$$3
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
} # ac_fn_c_check_header_preproc
# ac_fn_c_check_func LINENO FUNC VAR
# ----------------------------------
# Tests whether FUNC exists, setting the cache variable VAR accordingly
@ -5698,6 +5821,370 @@ _ACEOF
fi
ac_fn_c_find_intX_t "$LINENO" "8" "ac_cv_c_int8_t"
case $ac_cv_c_int8_t in #(
no|yes) ;; #(
*)
cat >>confdefs.h <<_ACEOF
#define int8_t $ac_cv_c_int8_t
_ACEOF
;;
esac
ac_fn_c_find_intX_t "$LINENO" "16" "ac_cv_c_int16_t"
case $ac_cv_c_int16_t in #(
no|yes) ;; #(
*)
cat >>confdefs.h <<_ACEOF
#define int16_t $ac_cv_c_int16_t
_ACEOF
;;
esac
ac_fn_c_find_intX_t "$LINENO" "32" "ac_cv_c_int32_t"
case $ac_cv_c_int32_t in #(
no|yes) ;; #(
*)
cat >>confdefs.h <<_ACEOF
#define int32_t $ac_cv_c_int32_t
_ACEOF
;;
esac
ac_fn_c_find_intX_t "$LINENO" "64" "ac_cv_c_int64_t"
case $ac_cv_c_int64_t in #(
no|yes) ;; #(
*)
cat >>confdefs.h <<_ACEOF
#define int64_t $ac_cv_c_int64_t
_ACEOF
;;
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for long long int" >&5
$as_echo_n "checking for long long int... " >&6; }
if test "${ac_cv_type_long_long_int+set}" = set; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* For now, do not test the preprocessor; as of 2007 there are too many
implementations with broken preprocessors. Perhaps this can
be revisited in 2012. In the meantime, code should not expect
#if to work with literals wider than 32 bits. */
/* Test literals. */
long long int ll = 9223372036854775807ll;
long long int nll = -9223372036854775807LL;
unsigned long long int ull = 18446744073709551615ULL;
/* Test constant expressions. */
typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
? 1 : -1)];
typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1
? 1 : -1)];
int i = 63;
int
main ()
{
/* Test availability of runtime routines for shift and division. */
long long int llmax = 9223372036854775807ll;
unsigned long long int ullmax = 18446744073709551615ull;
return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
| (llmax / ll) | (llmax % ll)
| (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i)
| (ullmax / ull) | (ullmax % ull));
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
if test "$cross_compiling" = yes; then :
ac_cv_type_long_long_int=yes
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <limits.h>
#ifndef LLONG_MAX
# define HALF \
(1LL << (sizeof (long long int) * CHAR_BIT - 2))
# define LLONG_MAX (HALF - 1 + HALF)
#endif
int
main ()
{
long long int n = 1;
int i;
for (i = 0; ; i++)
{
long long int m = n << i;
if (m >> i != n)
return 1;
if (LLONG_MAX / 2 < m)
break;
}
return 0;
;
return 0;
}
_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
ac_cv_type_long_long_int=yes
else
ac_cv_type_long_long_int=no
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
conftest.$ac_objext conftest.beam conftest.$ac_ext
fi
else
ac_cv_type_long_long_int=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_long_long_int" >&5
$as_echo "$ac_cv_type_long_long_int" >&6; }
if test $ac_cv_type_long_long_int = yes; then
$as_echo "#define HAVE_LONG_LONG_INT 1" >>confdefs.h
fi
ac_fn_c_check_type "$LINENO" "intmax_t" "ac_cv_type_intmax_t" "$ac_includes_default"
if test "x$ac_cv_type_intmax_t" = x""yes; then :
$as_echo "#define HAVE_INTMAX_T 1" >>confdefs.h
else
test $ac_cv_type_long_long_int = yes \
&& ac_type='long long int' \
|| ac_type='long int'
cat >>confdefs.h <<_ACEOF
#define intmax_t $ac_type
_ACEOF
fi
ac_fn_c_check_type "$LINENO" "intptr_t" "ac_cv_type_intptr_t" "$ac_includes_default"
if test "x$ac_cv_type_intptr_t" = x""yes; then :
$as_echo "#define HAVE_INTPTR_T 1" >>confdefs.h
else
for ac_type in 'int' 'long int' 'long long int'; do
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
$ac_includes_default
int
main ()
{
static int test_array [1 - 2 * !(sizeof (void *) <= sizeof ($ac_type))];
test_array [0] = 0
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
cat >>confdefs.h <<_ACEOF
#define intptr_t $ac_type
_ACEOF
ac_type=
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
test -z "$ac_type" && break
done
fi
ac_fn_c_find_uintX_t "$LINENO" "8" "ac_cv_c_uint8_t"
case $ac_cv_c_uint8_t in #(
no|yes) ;; #(
*)
$as_echo "#define _UINT8_T 1" >>confdefs.h
cat >>confdefs.h <<_ACEOF
#define uint8_t $ac_cv_c_uint8_t
_ACEOF
;;
esac
ac_fn_c_find_uintX_t "$LINENO" "16" "ac_cv_c_uint16_t"
case $ac_cv_c_uint16_t in #(
no|yes) ;; #(
*)
cat >>confdefs.h <<_ACEOF
#define uint16_t $ac_cv_c_uint16_t
_ACEOF
;;
esac
ac_fn_c_find_uintX_t "$LINENO" "32" "ac_cv_c_uint32_t"
case $ac_cv_c_uint32_t in #(
no|yes) ;; #(
*)
$as_echo "#define _UINT32_T 1" >>confdefs.h
cat >>confdefs.h <<_ACEOF
#define uint32_t $ac_cv_c_uint32_t
_ACEOF
;;
esac
ac_fn_c_find_uintX_t "$LINENO" "64" "ac_cv_c_uint64_t"
case $ac_cv_c_uint64_t in #(
no|yes) ;; #(
*)
$as_echo "#define _UINT64_T 1" >>confdefs.h
cat >>confdefs.h <<_ACEOF
#define uint64_t $ac_cv_c_uint64_t
_ACEOF
;;
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for unsigned long long int" >&5
$as_echo_n "checking for unsigned long long int... " >&6; }
if test "${ac_cv_type_unsigned_long_long_int+set}" = set; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* For now, do not test the preprocessor; as of 2007 there are too many
implementations with broken preprocessors. Perhaps this can
be revisited in 2012. In the meantime, code should not expect
#if to work with literals wider than 32 bits. */
/* Test literals. */
long long int ll = 9223372036854775807ll;
long long int nll = -9223372036854775807LL;
unsigned long long int ull = 18446744073709551615ULL;
/* Test constant expressions. */
typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
? 1 : -1)];
typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1
? 1 : -1)];
int i = 63;
int
main ()
{
/* Test availability of runtime routines for shift and division. */
long long int llmax = 9223372036854775807ll;
unsigned long long int ullmax = 18446744073709551615ull;
return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
| (llmax / ll) | (llmax % ll)
| (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i)
| (ullmax / ull) | (ullmax % ull));
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_type_unsigned_long_long_int=yes
else
ac_cv_type_unsigned_long_long_int=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_unsigned_long_long_int" >&5
$as_echo "$ac_cv_type_unsigned_long_long_int" >&6; }
if test $ac_cv_type_unsigned_long_long_int = yes; then
$as_echo "#define HAVE_UNSIGNED_LONG_LONG_INT 1" >>confdefs.h
fi
ac_fn_c_check_type "$LINENO" "uintmax_t" "ac_cv_type_uintmax_t" "$ac_includes_default"
if test "x$ac_cv_type_uintmax_t" = x""yes; then :
$as_echo "#define HAVE_UINTMAX_T 1" >>confdefs.h
else
test $ac_cv_type_unsigned_long_long_int = yes \
&& ac_type='unsigned long long int' \
|| ac_type='unsigned long int'
cat >>confdefs.h <<_ACEOF
#define uintmax_t $ac_type
_ACEOF
fi
ac_fn_c_check_type "$LINENO" "uintptr_t" "ac_cv_type_uintptr_t" "$ac_includes_default"
if test "x$ac_cv_type_uintptr_t" = x""yes; then :
$as_echo "#define HAVE_UINTPTR_T 1" >>confdefs.h
else
for ac_type in 'unsigned int' 'unsigned long int' \
'unsigned long long int'; do
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
$ac_includes_default
int
main ()
{
static int test_array [1 - 2 * !(sizeof (void *) <= sizeof ($ac_type))];
test_array [0] = 0
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
cat >>confdefs.h <<_ACEOF
#define uintptr_t $ac_type
_ACEOF
ac_type=
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
test -z "$ac_type" && break
done
fi
# ---------------------
# Warnings and checking
@ -11078,13 +11565,13 @@ if test "${lt_cv_nm_interface+set}" = set; then :
else
lt_cv_nm_interface="BSD nm"
echo "int some_variable = 0;" > conftest.$ac_ext
(eval echo "\"\$as_me:11081: $ac_compile\"" >&5)
(eval echo "\"\$as_me:11568: $ac_compile\"" >&5)
(eval "$ac_compile" 2>conftest.err)
cat conftest.err >&5
(eval echo "\"\$as_me:11084: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
(eval echo "\"\$as_me:11571: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
(eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
cat conftest.err >&5
(eval echo "\"\$as_me:11087: output\"" >&5)
(eval echo "\"\$as_me:11574: output\"" >&5)
cat conftest.out >&5
if $GREP 'External.*some_variable' conftest.out > /dev/null; then
lt_cv_nm_interface="MS dumpbin"
@ -12289,7 +12776,7 @@ ia64-*-hpux*)
;;
*-*-irix6*)
# Find out which ABI we are using.
echo '#line 12292 "configure"' > conftest.$ac_ext
echo '#line 12779 "configure"' > conftest.$ac_ext
if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
(eval $ac_compile) 2>&5
ac_status=$?
@ -13949,11 +14436,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:13952: $lt_compile\"" >&5)
(eval echo "\"\$as_me:14439: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:13956: \$? = $ac_status" >&5
echo "$as_me:14443: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
@ -14288,11 +14775,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:14291: $lt_compile\"" >&5)
(eval echo "\"\$as_me:14778: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:14295: \$? = $ac_status" >&5
echo "$as_me:14782: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
@ -14393,11 +14880,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:14396: $lt_compile\"" >&5)
(eval echo "\"\$as_me:14883: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
echo "$as_me:14400: \$? = $ac_status" >&5
echo "$as_me:14887: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@ -14448,11 +14935,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:14451: $lt_compile\"" >&5)
(eval echo "\"\$as_me:14938: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
echo "$as_me:14455: \$? = $ac_status" >&5
echo "$as_me:14942: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@ -16830,7 +17317,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 16833 "configure"
#line 17320 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -16926,7 +17413,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 16929 "configure"
#line 17416 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -18882,11 +19369,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:18885: $lt_compile\"" >&5)
(eval echo "\"\$as_me:19372: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
echo "$as_me:18889: \$? = $ac_status" >&5
echo "$as_me:19376: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
@ -18981,11 +19468,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:18984: $lt_compile\"" >&5)
(eval echo "\"\$as_me:19471: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
echo "$as_me:18988: \$? = $ac_status" >&5
echo "$as_me:19475: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@ -19033,11 +19520,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
(eval echo "\"\$as_me:19036: $lt_compile\"" >&5)
(eval echo "\"\$as_me:19523: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
echo "$as_me:19040: \$? = $ac_status" >&5
echo "$as_me:19527: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized