Don't set enable_decimal_float to dpd if DFP is disabled.

Don't set enable_decimal_float to dpd if DFP is disabled.

config/

2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/45524
	* dfp.m4: Don't set enable_decimal_float to dpd if DFP is
	disabled.  Set default_decimal_float.

gcc/

2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/45524
	* configure.ac (enable_decimal_float): Set to
	$default_decimal_float.
	* configure: Regenerated.

libdecnumber/

2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/45524
	* configure.ac (enable_decimal_float): Set to
	$default_decimal_float.
	* configure: Regenerated.

libgcc/

2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/45524
	* configure: Regenerated.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163921 138bc75d-0d04-0410-961f-82ee72b054a4