Josh Poimboeuf <jpoim...@redhat.com> writes: > > The error is working as designed. gcc < 4.6.0 doesn't have -mfentry, so > it fails the above check on x86. Can you add a skip rule? It should > skip building the following case: > > x86 && ((gcc < 4.6.0) || (CONFIG_X86_32 and !CONFIG_DYNAMIC_FTRACE)) > && CONFIG_FUNCTION_GRAPH_TRACER && CONFIG_CC_OPTIMIZE_FOR_SIZE
This will also break everyone's randconfig builds. The better way would be to check this in the Makefile and disable one of the options -Andi
