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|
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/sparc/sparc32
# Test if compiler targets at least sparcv8.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
printf %s "checking for grep that handles long lines and -e... " >&6; }
if test ${ac_cv_path_GREP+y}
then :
printf %s "(cached) " >&6
else $as_nop
if test -z "$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
case $as_dir in #(((
'') as_dir=./ ;;
*/) ;;
*) as_dir=$as_dir/ ;;
esac
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="$ac_path_GREP" ac_path_GREP_found=:;;
*)
ac_count=0
printf %s 0123456789 >"conftest.in"
while :
do
cat "conftest.in" "conftest.in" >"conftest.tmp"
mv "conftest.tmp" "conftest.in"
cp "conftest.in" "conftest.nl"
printf "%s\n" 'GREP' >> "conftest.nl"
"$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
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
printf "%s\n" "$ac_cv_path_GREP" >&6; }
GREP="$ac_cv_path_GREP"
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
printf %s "checking for egrep... " >&6; }
if test ${ac_cv_path_EGREP+y}
then :
printf %s "(cached) " >&6
else $as_nop
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
case $as_dir in #(((
'') as_dir=./ ;;
*/) ;;
*) as_dir=$as_dir/ ;;
esac
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="$ac_path_EGREP" ac_path_EGREP_found=:;;
*)
ac_count=0
printf %s 0123456789 >"conftest.in"
while :
do
cat "conftest.in" "conftest.in" >"conftest.tmp"
mv "conftest.tmp" "conftest.in"
cp "conftest.in" "conftest.nl"
printf "%s\n" 'EGREP' >> "conftest.nl"
"$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
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
printf "%s\n" "$ac_cv_path_EGREP" >&6; }
EGREP="$ac_cv_path_EGREP"
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for at least sparcv8 support" >&5
printf %s "checking for at least sparcv8 support... " >&6; }
if test ${libc_cv_sparcv8+y}
then :
printf %s "(cached) " >&6
else $as_nop
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#if defined (__sparc_v8__) || defined (__sparc_v9__)
yes
#endif
_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
$EGREP "yes" >/dev/null 2>&1
then :
libc_cv_sparcv8=yes
else $as_nop
libc_cv_sparcv8=no
fi
rm -rf conftest*
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_sparcv8" >&5
printf "%s\n" "$libc_cv_sparcv8" >&6; }
if test $libc_cv_sparcv8 = no; then
as_fn_error $? "no support for pre-v8 sparc" "$LINENO" 5
fi
# Test if compiler generates external calls to libatomic for CAS operation.
# It is suffice to check for int only and the test is similar of C11
# atomic_compare_exchange_strong using GCC builtins.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for external libatomic calls" >&5
printf %s "checking for external libatomic calls... " >&6; }
if test ${libc_cv_cas_uses_libatomic+y}
then :
printf %s "(cached) " >&6
else $as_nop
cat > conftest.c <<EOF
_Bool foo (int *ptr, int *expected, int desired)
{
return __atomic_compare_exchange_n (ptr, expected, desired, 0,
__ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
}
EOF
libc_cv_cas_uses_libatomic=no
if { ac_try='${CC-cc} -S conftest.c -o conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
if grep '__atomic_compare_exchange_4' conftest.s >/dev/null; then
libc_cv_cas_uses_libatomic=yes
fi
fi
rm -f conftest.c conftest.s
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cas_uses_libatomic" >&5
printf "%s\n" "$libc_cv_cas_uses_libatomic" >&6; }
if test $libc_cv_cas_uses_libatomic = yes; then
as_fn_error $? "external dependency of libatomic is not supported" "$LINENO" 5
fi
|
