[OE-core] [PATCH 3/8] linux-yocto: depend on libgcc for nios2

[Khem Raj]

> On Sep 17, 2015, at 7:31 AM, Marek Vasut <marex at denx.de> wrote:
> 
> Make nios2 kernel depend on libgcc.
> 
> In arch/nios2/Makefile, it adds LIBGCC to libs-y:
> 
> LIBGCC          := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
> libs-y          += $(LIBGCC)
> 
> In file Makefile in top directory, libs-y is assigned to to var
> KBUILD_VMLINUX_MAIN. It uses script link-vmlinux.sh to link vmlinux.o,
> and when execute function vmlinux_link() in link-vmlinux.sh,
> KBUILD_VMLINUX_MAIN is passed to ${LD}.
> 
> If build without libgcc, the value of LIBGCC is just libgcc.a without
> parent directory. linux-yocto fails to build:
> 
> |   LD      vmlinux.o
> | nios2-poky-linux-ld.bfd: cannot find libgcc.a: No such file or directory
> 
> Add libgcc to nios2 kernel dependency.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> ---
> meta/recipes-kernel/linux/linux-yocto.inc | 4 ++++
> 1 file changed, 4 insertions(+)
> 
> diff --git a/meta/recipes-kernel/linux/linux-yocto.inc b/meta/recipes-kernel/linux/linux-yocto.inc
> index 3b41a61..81ffa24 100644
> --- a/meta/recipes-kernel/linux/linux-yocto.inc
> +++ b/meta/recipes-kernel/linux/linux-yocto.inc
> @@ -11,6 +11,10 @@ DEPENDS_append_aarch64 = " libgcc"
> KERNEL_CC_append_aarch64 = " ${TOOLCHAIN_OPTIONS}"
> KERNEL_LD_append_aarch64 = " ${TOOLCHAIN_OPTIONS}"
> 
> +DEPENDS_append_nios2 = " libgcc"
> +KERNEL_CC_append_nios2 = " ${TOOLCHAIN_OPTIONS}"
> +KERNEL_LD_append_nios2 = " ${TOOLCHAIN_OPTIONS}”

Please try bitbake virtual/kernel build from scratch with this change.

> +

> # A KMACHINE is the mapping of a yocto $MACHINE to what is built
> # by the kernel. This is typically the branch that should be built,
> # and it can be specific to the machine or shared
> -- 
> 2.1.4
> 
> -- 
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core at lists.openembedded.org
> http://lists.openembedded.org/mailman/listinfo/openembedded-core