Errors when ld -lIL --verbose

attempt to open /usr/bin/../libdata/libIL.so failed
attempt to open /usr/bin/../libdata/libIL.a failed
attempt to open //lib/libIL.so succeeded
ld: skipping incompatible //lib/libIL.so when searching for -lIL
attempt to open //lib/libIL.a succeeded
ld: skipping incompatible //lib/libIL.a when searching for -lIL
attempt to open //usr/lib/libIL.so succeeded
ld: skipping incompatible //usr/lib/libIL.so when searching for -lIL
attempt to open //usr/lib/libIL.a succeeded
ld: skipping incompatible //usr/lib/libIL.a when searching for -lIL
ld: cannot find -lIL