load libgmp, libmpfr, perl5 extensions

ppl-0.10.2
----------
./configure --prefix=/usr/local --enable-interfaces="c,cxx" --with-libgmp-prefix=/usr/local --with-libgmpxx-prefix=/usr/local --with-cflags="-march=i486 -mtune=i686 -pipe" --with-cxxflags="-march=i486 -mtune=i686 -pipe"

echo '#define PPL_GMP_SUPPORTS_EXCEPTIONS 1' >> confdefs.h

make
sudo make install-strip