Something

checking for C compiler default output file name
/home/hlfs/HLFSsources/embryo-build/ ./prev-gcc/xgcc -B/home/hlfs/HLFS/sources/embryo-build/ ./prev-gcc/ -B/tools/i586-pc-linux-gnu/bin/ -g -O2  conftest.c >&5
$?=0
result: a.out
checking whether the C compiler works
./a.out
/home/hlfs/HLFS/sources/embryo-toolchain/libiberty/configure line 2138: ./a.out: No such file or directory
$?=127
error: cannot run C compiled programs
If you meant to cross compile, use `--host'.