Thanks for everyones responses, but this is what I already tried!!!
When I switch compiler using gcc-config (see previous email for
example command line) then there NO DIFFERENCE in compiled output!?!
Does this suggest that something screwy is happening and it's not
really changing the compiler in the way I expect? "gcc -v" is
changing though...
Whoooa. Hold that thought. On a sudden realisation I tried blowing
away the ccache directory and switched to hardened_nopiessp and it then
built correctly... Very strange.
I was under the mistaken believe that ccache could detect when the
compiler was switched and would not re-use it's old cache files.
Certainly it was taking different amounts of time to compile when I
changed compiler versus re-running under the orig compiler config.
Obviously the cache algorithm is not perfect though.
Heads up then that when switching compiler to the non-hardened one it
makes sense to blow away the ccache of disable it's use.
Thanks for everyones responses
Ed W
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