BUILD_OPTIMIZATION = "-Os"
#Gcc will die with 'internal consistency error when using the above optimizations
-FULL_OPTIMIZATION_avr32 = ""
-BUILD_OPTIMIZATION_avr32 = ""
+#with gcc-4.2.1-atmel.1.0.3 (and probably most other avr32 gcc ports).
+#However, some packages require optimizations to compile (e.g. libmad).
+#It appears the guilty optimization is "-frename-registers", leaving that one
+#out allows the build to proceed normally. -fexpensive-optimizations may be OK,
+#it was removed while debugging an issue that ultimately turned out to be due
+#to the ICE fixed by gcc-pr32889.patch. It needs to be tested again.
+#Note that this testing was done without the gcc-pr32889.patch.
+FULL_OPTIMIZATION_avr32 = "-Os -fomit-frame-pointer"
+
CXXFLAGS += "-fvisibility-inlines-hidden"