Susan Cragin wrote:
configure:1891: gcc -m32 -Wall -g -O2 conftest.c >&5 /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.0.3/../../../libc.so when searching for -lc /usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-linux-gnu/4.0.3/../../../libc.a when searching for -lc /usr/bin/ld: skipping incompatible /usr/bin/../lib/libc.so when searching for -lc /usr/bin/ld: skipping incompatible /usr/bin/../lib/libc.a when searching for -lc /usr/bin/ld: skipping incompatible /usr/lib/libc.so when searching for -lc /usr/bin/ld: skipping incompatible /usr/lib/libc.a when searching for -lc /usr/bin/ld: cannot find -lc
You need to install the 32-bit development libraries for your distro.