Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> writes: > <snip> > > (Case 3) > Compiler flag -foo is sensitive to endian-ness. > > > config CC_NEEDS_BIG_ENDIAN > def_bool $(cc-option -mbig-endian) && CPU_BIG_ENDIAN > > config CC_NEEDS_LITTLE_ENDIAN > def_bool $(cc-option -mlittle-endian) && CPU_LITTLE_ENDIAN > > config CC_HAS_FOO > bool > default $(cc-option -mbig-endian -foo) if CC_NEEDS_BIG_ENDIAN > default $(cc-option -mlittle-endian -foo) if CC_NEEDS_LITTLE_ENDIAN > default $(cc-option -foo) We may do something like this on powerpc, where we have 32/64-bit and big/little endian (on 64-bit) and then some ABI options that we set/unset depending on endian. The above looks like it could work though. cheers -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
