re PR c/43553 (libgcc built with -DHAVE_CC_TLS against xgcc when emutls in use)

2010-03-30  Jack Howarth <howarth@bromo.med.uc.edu>

	PR c/43553
	* Makefile.in (INTERNAL_CFLAGS): Add @set_use_emutls@.
	* configure.ac: Use GCC_CHECK_EMUTLS to see if emulated TLS
	is used and substitute set_use_emutls.
	* configure: Regenerated.

From-SVN: r157821