* configure: Regenerated.
* Makefile.in: Regenerated.
* configure.ac (ACX_NONCANONICAL_TARGET): Call it.
(target_alias): Use AC_SUBST for it.
(GCC_NO_EXECUTABLES): Call it.
(AC_PROG_CC): Improve multilib handling.
Check that gcc is used for compilation.
Use pattern from libssp for symbol versioning checking.
* Makefile.am (LTLDFLAGS): Removed.
(libquadmath_la_LDFLAGS): Add -no-undefined.
(libquadmath_la_LINK): Commented out.
(libquadmath_la_DEPENDENCIES): Add libquadmath_la_LIBADD.
(AM_MAKEFLAGS): Add hack for argument passing by top-level.
(MAKEOVERRIDES): New.
* aclocal.m4: Regenerated.