Revital1 Eres <ERES <at> il.ibm.com> writes: > > -O2 ' 'CPPFLAGS=' 'LDFLAGS=' 'build_alias=powerpc64-unknown-linux-gnu' > 'host_alias=spu' 'target_alias=spu' --cache-file=.././config.cache > --srcdir=../../../../gcc/newlib/libc > configure: loading cache .././config.cache > configure: error: `CFLAGS' has changed since the previous run: > configure: former value: -g -O2 > configure: current value: -g -O2 > It might be introduced by a recent change to the calculation of > CFLAGS_FOR_TARGET. > Deleting config.cache file does not seem to help. This should help: find $top_builddir -name config.cache | xargs rm or, in this case, rm newlib/libc/config.cache but since you may run into a similar error in other directories, just use the former, until this issue is fixed. Cheers, Ralf