for distro compatibility I usually test against many versions of gcc, so I figured I would install them from openpkg since they are all available. It seems on 64-bit (I don't remember having this problem on 32-bit) there are naming conflicts, preventing the installation of multiple gcc packages.
Processing files: gcc41-4.1.2-20070517 Wrote: /tools/gutsy-64/RPM/PKG/gcc41-4.1.2-20070517.amd64-ubuntu7.10-bsi.rpm Executing(%clean): env -i /tools/gutsy-64/lib/openpkg/bash --norc --noprofile --posix -e /tools/gutsy-64/RPM/TMP/rpm-tmp.73640 + cd /tools/gutsy-64/RPM/TMP + cd gcc-4.1.2 + rm -rf /tools/gutsy-64/RPM/TMP/gcc41-4.1.2-root + exit 0 Executing(--clean): env -i /tools/gutsy-64/lib/openpkg/bash --norc --noprofile --posix -e /tools/gutsy-64/RPM/TMP/rpm-tmp.73640 + cd /tools/gutsy-64/RPM/TMP + rm -rf gcc-4.1.2 + exit 0 Preparing... ########################################### [100%] file /tools/gutsy-64/lib64/libstdc++.a from install of gcc41-4.1.2-20070517 conflicts with file from package gcc3-3.4.6-20061013 file /tools/gutsy-64/lib64/libstdc++.la from install of gcc41-4.1.2-20070517 conflicts with file from package gcc3-3.4.6-20061013 file /tools/gutsy-64/lib64/libsupc++.a from install of gcc41-4.1.2-20070517 conflicts with file from package gcc3-3.4.6-20061013 file /tools/gutsy-64/lib64/libsupc++.la from install of gcc41-4.1.2-20070517 conflicts with file from package gcc3-3.4.6-20061013