autoconf-2.53 does not allow AC_DEFINE_UNQUOTED variables that begin with "AS_", reserving that part of the name space for autoconf m4sugar macros. I think autoconf should allow this and just issue a warning, but it would probably be a good idea to fix the gcc tree to avoid this, even if it does become just a warning in a future autoconf release. So, the following patch to gcc-3.0.4 just globally replaces AS_SPARC64_FLAG with ASM_SPARC64_FLAG.
gcc-3.0.4 builds fine for me with this, and I have also verified that there does not appear to be a similar patch in gcc cvs. Adam J. Richter __ ______________ 4880 Stevens Creek Blvd, Suite 104 [EMAIL PROTECTED] \ / San Jose, California 95129-1034 +1 408 261-6630 | g g d r a s i l United States of America fax +1 408 261-6631 "Free Software For The Rest Of Us."