Created attachment 349690 [details] emerge --info media-libs/opus-1.0.2-r2 fails to build with FEATURES='multilib-strict'
Created attachment 349692 [details] Build.log
CFLAGS="--param l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=3072 -O2 -pipe -w -march=corei7-avx -m64 -m80387 -m96bit-long-double -maes -malign-stringops -mavx -mcx16 -mfancy-math-387 -mfentry -mfp-ret-in-387 -mglibc -mhard-float -mieee-fp -mpclmul -mpopcnt -mpush-args -mred-zone -msahf -msse -msse2 -msse3 -msse4 -msse4.1 -msse4.2 -mssse3 -mstackrealign -mtls-direct-seg-refs -mtune=corei7-avx -floop-interchange -floop-strip-mine -floop-block -fgraphite-identity -ftree-loop-distribution" remove that -m64 from cflags and you should seriously think about using shorter and saner cflags