On Mon, Aug 22 2016, Jonathan Wakely wrote: > See https://gcc.gnu.org/wiki/FAQ#configure_suffix Here are the messages found in config.log: --8<---------------cut here---------------start------------->8--- configure:3464: /home/peter/tmp/no-backup/output/./gcc/xgcc -B/home/peter/tmp/no-backup/output/./gcc/ -B/opt/gcc-mipsel/mipsel-elf/bin/ -B/opt/gcc-mipsel/mipsel-elf/lib/ -isystem /opt/gcc-mipsel/mipsel-elf/include -isystem /opt/gcc-mipsel/mipsel-elf/sys-include -o conftest -g -O2 conftest.c >&5 /home/peter/tmp/no-backup/output/./gcc/as: line 106: exec: -E: invalid option exec: usage: exec [-cl] [-a name] [command [arguments ...]] [redirection ...] --8<---------------cut here---------------end--------------->8--- Google suggests installing a cross assembler (https://gcc.gnu.org/ml/gcc-help/2011-01/msg00266.html). Is this right? Thanks for your efforts. Kind regards, -- Peter