* include/sparc-signal.h: Renamed to ...
	* include/solaris-signal.h: ... this.
	* configure.ac: Use it on any *-*-solaris2* target.
	* configure: Regenerate.
	* configure.host (i?86-*-solaris2*): Set can_unwind_signal=yes.
	* Makefile.am (prims.lo): Add -fno-omit-frame-pointer to AM_CXXFLAGS.
	* Makefile.in: Regenerate.

From-SVN: r162217