I tried to compile the new version: gambc-4.0b22.tar.gz on a Sun-Solaris machine with gcc --version 2.95.3
During compiling gsi, there are many messages like warning: implicit declaration of function `__builtin_expect'
And then at the final link step, it fails with undefined reference to `__builtin_expect'
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I tried to rebuilt the old version 4.0b20 by the same processes and it succeeded.
So, there might be something missing in the package in gambc-4.0b22.tar.gz
--HP