Messages in this thread | | | Date | Fri, 27 Jun 2014 15:38:15 +0900 | From | Masahiro Yamada <> | Subject | Re: [U-Boot] [RFC] kbuild.h: workaround for llvm IAS |
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Hi Jeroen,
On Tue, 24 Jun 2014 21:36:06 +0200 Jeroen Hofstee <jeroen@myspectrum.nl> wrote:
> >> KBuild (ab)uses the asm statement to write to a file and > >> llvm integrated as chokes about these invalid asm statements. > >> Workaround it by making it look like valid asm code. > >> > >> Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl> > > I think Linux has the same problem. > > > > Are you willing to this patch to linux-kbuild ML? > > Or fixing U-Boot only? > I don't mind in general, but it is just noise for them (cc-ing them to > create some). For u-boot (ARM) you actually get a valid binary with > this patch after clang support has landed, for linux you just get other > errors as far as I tried (native only), patch below. > > However in linux there seem more spots relying on the format, e.g. > arch/ia64/kvm/Makefile > arch/ia64/kernel/Makefile > arch/um/Makefile > > So if anything, I think this should be made a general rules first > in the makefiles. It seems stupid to potentially break something > while it gains nothing. > > So yes, u-boot only afaic, or does that make your syncing more difficult?
I don't think syncing would be difficult.
BTW, do you know how they resolve this build error in other projects, for example, in llvmlinux ? http://llvm.linuxfoundation.org/index.php/Main_Page
Linux folks merged Clang support into the top Makefile, but not into ./Kbuild. I don't know why.
Best Regards Masahiro Yamada
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