[OpenBIOS] openbios cross compile fails with gcc 5.2

Mark Cave-Ayland mark.cave-ayland at ilande.co.uk
Sat Nov 21 13:46:04 CET 2015

On 21/11/15 02:03, Cole Robinson wrote:

> Hi all,
> openbios fails to build with gcc 5.2 cross compilers. This is using fedora 23
> packages. There's a bug here with complete info:
> https://bugzilla.redhat.com/show_bug.cgi?id=1282890
> The error is:
> powerpc64-linux-gnu-gcc $EXTRACFLAGS -m32 -msoft-float -fno-builtin-bcopy
> -USWAP_ENDIANNESS -Wall -Wredundant-decls -Wshadow -Wpointer-arith
> -Wstrict-prototypes -Wmissing-declarations -Wundef -Wendif-labels
> -Wstrict-aliasing -Wwrite-strings -Wmissing-prototypes -Wnested-externs
> -Werror -MMD -MP -MT target/arch/ppc/qemu/ofmem.o -MF
> 'target/arch/ppc/qemu/ofmem.d' -I/root/openbios/openbios-1.1/include
> -I/root/openbios/openbios-1.1/kernel/include -I./target/include -c -o
> target/arch/ppc/qemu/ofmem.o /root/openbios/openbios-1.1/arch/ppc/qemu/ofmem.c
> /tmp/ccznzzOd.s: Assembler messages:
> /tmp/ccznzzOd.s:551: Error: missing operand
> rules.mak:309: recipe for target 'target/arch/ppc/qemu/ofmem.o' failed
> make[1]: *** [target/arch/ppc/qemu/ofmem.o] Error 1
> make[1]: *** Waiting for unfinished jobs....
> make[1]: Leaving directory '/root/openbios/openbios-1.1/obj-ppc'
> Makefile:32: recipe for target 'subdir-ppc' failed
> make: *** [subdir-ppc] Error 2
> error: Bad exit status from /var/tmp/rpm-tmp.DSB86j (%build)
> David Howells' commented in the bug with a suggested fix... but I don't even
> have a setup to test openbios so I'd prefer if someone else cooks up the patch :)

My understanding is that the earliest CPU we need to be supporting for
PPC is the 750 (which should be POWER7 series) although there was
interest in using OpenBIOS for PReP which I believe is a 604?

Hervé/Laurent in particular - any further thoughts on this?



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