+# Check whether --enable-decimal-float or --disable-decimal-float was given.
+if test "${enable_decimal_float+set}" = set; then
+ enableval="$enable_decimal_float"
+
+ case $enable_decimal_float in
+ yes | no | bid | dpd) ;;
+ *) { { echo "$as_me:$LINENO: error: '$enable_decimal_float' is an invalid value for --enable-decimal-float.
+Valid choices are 'yes', 'bid', 'dpd', and 'no'." >&5
+echo "$as_me: error: '$enable_decimal_float' is an invalid value for --enable-decimal-float.
+Valid choices are 'yes', 'bid', 'dpd', and 'no'." >&2;}
+ { (exit 1); exit 1; }; } ;;
+ esac
+
+else
+
+ case $host in
+ powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux*)
+ enable_decimal_float=yes
+ ;;
+ *)
+ enable_decimal_float=no
+ ;;
+ esac
+
+fi;
+
+# x86's use BID format instead of DPD
+if test x$enable_decimal_float = xyes; then
+ case $host in
+ i?86*-*-linux* | x86_64*-*-linux*)
+ enable_decimal_float=bid
+ ;;
+ *)
+ enable_decimal_float=dpd
+ ;;
+ esac
+fi
+
+
+# Check for fixed-point support.
+echo "$as_me:$LINENO: checking whether fixed-point is supported" >&5
+echo $ECHO_N "checking whether fixed-point is supported... $ECHO_C" >&6
+if test "${libgcc_cv_fixed_point+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+_Sat _Fract x;
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ libgcc_cv_fixed_point=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+libgcc_cv_fixed_point=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $libgcc_cv_fixed_point" >&5
+echo "${ECHO_T}$libgcc_cv_fixed_point" >&6
+fixed_point=$libgcc_cv_fixed_point
+
+
+# Check 32bit or 64bit for x86.
+case ${host} in
+i?86*-*-* | x86_64*-*-*)
+ cat > conftest.c <<EOF
+#ifdef __x86_64__
+host_address=64
+#else
+host_address=32
+#endif
+EOF
+ eval `${CC-cc} -E conftest.c | grep host_address=`
+ rm -f conftest.c
+ ;;
+esac
+