configure:4273: checking whether we are cross compiling configure:4281: arm-linux-gcc -o conftest conftest.c >&5 configure:4285: $? = 0 configure:4292: ./conftest ./configure: line 4294: ./conftest: cannot execute binary file configure:4296: $? = 126 configure:4303: error: in `/opt_qt4.5/opt/EmbedSky/fftw-3.2.2-arm': configure:4305: error: cannot run C compiled programs. If you meant to cross compile, use `--host'. See `config.log' for more details