__dynamic_cast_2 not found in libstdc++.so

Leo Przybylski leop@engr.arizona.edu
Tue Oct 15 16:11:00 GMT 2002


I was wondering why when I build gcc with the following configuration:
Reading specs from
Configured with: ../gcc-3.2/configure --prefix=/usr/local/gnu
--enable-languages=c++ --enable-threads --disable-libgcj
Thread model: posix
gcc version 3.2

I do not get __dynamic_cast_2 built into my libstdc++.so or libstdc++.a.

I read in gcc-3.2/gcc/cp/ChangeLog.2:
class relationship. Call __dynamic_cast_2.
gcc/gcc-3.2/gcc/cp/ChangeLog.2: (__dynamic_cast_2): New dynamic cast

So, it's there. Anyone know why it isn't in my shared library for


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