Fujitsu FR-V port (linuxthreads and nptl included)

[Alexandre Oliva]

Since GCC 3.4 is the first release to support shared libs for FR-V,
the symbols exported by libgcc are marked as GCC_3.4.  Since glibc
brings them into libc.so, we have to export them.

It might be worth noting that the FR-V ABI specifies different names
for the functions traditionally exported by libgcc, and GCC actually
emits references to these alternate names, that are thus brought into
libc.so from libgcc.a.

I couldn't find any way to introduce this as part of the ports
infrastructure, unfortunately.

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-- 
Alexandre Oliva             http://www.ic.unicamp.br/~oliva/
Red Hat Compiler Engineer   aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@{lsd.ic.unicamp.br, gnu.org}