Guenter Roeck wrote on Tue, Jul 8, 2014 at 3:30 PM Subject: Re: Compile issues with se7206_defconfig To: Geert Uytterhoeven <[email protected]> Cc: Nick Krause <[email protected]>, "[email protected]" <[email protected]>
On Tue, Jul 08, 2014 at 09:24:49PM +0200, Geert Uytterhoeven wrote: > On Tue, Jul 8, 2014 at 6:45 PM, Guenter Roeck <[email protected]> wrote: > >> > net/built-in.o: In function `__sk_run_filter': > >> > filter.c:(.text+0x3156c): undefined reference to `__fpscr_values' > >> > filter.c:(.text+0x31760): undefined reference to `__fpscr_values' > >> > filter.c:(.text+0x31c8c): undefined reference to `__fpscr_values' > >> > filter.c:(.text+0x31f00): undefined reference to `__fpscr_values' > >> > filter.c:(.text+0x323b0): undefined reference to `__fpscr_values' > >> > >> Toolchain issue: the compiler doesn't recognize the option to disable > >> the FPU, so it isn't passed, cfr. > >> www.spinics.net/lists/netdev/msg278300.html > > > > Seems that similar problems were fixed earlier without requiring a toolchain > > change. What is different this time (besides the apparent difficulty to > > build a > > new toolchain) ? Or am I missing something ? > > sh4-linux-gcc doesn't recognize -m2a-nofpu, so that is not passed. > It does recognize -m4a-nofpu, but when that's passed, it complains > about opcode not valid for this cpu variant in inline asm/ > > Ah, it also recognizes -m4-nofpu. If I add that, se7206_defconfig builds. > I assume a proper sh2a-linux toolchain will not recognize the -m4-nofpu, > so it won't be passed due to $(call cc-option). > > Does this sound like an acceptable solution? If yes, I'll send a patch. > Sounds good to me. Guenter Please send the patch to the maintainers of this and cc me so I can test it to see if it works. Cheers Nick -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
