/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-unknown-linux-gnu/4.2.0/../../../libdl.so when searching for -ldl /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-unknown-linux-gnu/4.2.0/../../../libdl.a when searching for -ldl /usr/bin/ld: skipping incompatible /usr/bin/../lib/libdl.so when searching for -ldl /usr/bin/ld: skipping incompatible /usr/bin/../lib/libdl.a when searching for -ldl /usr/bin/ld: skipping incompatible /usr/lib/libdl.so when searching for -ldl /usr/bin/ld: skipping incompatible /usr/lib/libdl.a when searching for -ldl /usr/bin/ld: cannot find -ldl