The ppc suggested CFLAGS in the current example files are now wrong.
Created attachment 66026 [details, diff] Patch with the updated instructions
Any particular reason why strict aliasing is bad on ppc?
Many application use type punned expression that would be ill optimized with unpredictable code generated. Since I'm afraid nobody would fix that anytime soon I prefer be safe than sorry. (first time I experienced the issue was with openssl)
Released in 2.1_pre1.