[Buildroot] [PATCH] toolchain-external: fix gdbserver copying for ARC GNU tools

[Yann E. MORIN <yann.morin.1998@free.fr>]

Alexey, All,

On 2015-03-17 00:02 +0300, Alexey Brodkin spake thusly:
> Historically in pre-built ARC GNU tools gdbserver is located in
> top-level "target-bin" folder.
> 
> Because of that fact if BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY is
> selected Buildroot won't find gdbserver (it looks within
> SYSROOT/ARCH_SYSROOT folder).
> 
> Simplest solution is to use TOOLCHAIN_EXTERNAL_FIXUP_CMDS where copy
> everything from "target-bin" foler into SYSROOT/usr/bin.
> 
> Reason to copy everything from "target-bin" is to enable possibility in
> the future to copy more pre-built target binaries onto target.
> 
> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> Cc: Yann E. MORIN <yann.morin.1998@free.fr>

Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

However, a small suggestion (more of a question, in fact) below...

> ---
>  toolchain/toolchain-external/toolchain-external.mk | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/toolchain/toolchain-external/toolchain-external.mk b/toolchain/toolchain-external/toolchain-external.mk
> index c0429bb..d55b6de 100644
> --- a/toolchain/toolchain-external/toolchain-external.mk
> +++ b/toolchain/toolchain-external/toolchain-external.mk
> @@ -396,6 +396,11 @@ else
>  TOOLCHAIN_EXTERNAL_SYNOPSYS_ENDIANESS = be
>  endif
>  TOOLCHAIN_EXTERNAL_SOURCE = arc_gnu_2014.12_prebuilt_uclibc_$(TOOLCHAIN_EXTERNAL_SYNOPSYS_ENDIANESS)_$(TOOLCHAIN_EXTERNAL_SYNOPSYS_CORE)_linux_install.tar.gz
> +define TOOLCHAIN_EXTERNAL_FIXUP_CMDS
> +	$(Q)SYSROOT_DIR="$(call toolchain_find_sysroot,$(TOOLCHAIN_EXTERNAL_CC))" ; \
> +	mkdir -p $${SYSROOT_DIR}/usr/bin ; \
> +	cp $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/target-bin/* $${SYSROOT_DIR}/usr/bin

Waht about using 'cp -l' instead? That would create hardlinks instead of
actual copies.

I guess we do not really support building on a filesystem that does not
support hard links, do we?

Still, this should not be a blocker for inclusion.

Regards,
Yann E. MORIN.

> +endef
>  else
>  # Custom toolchain
>  TOOLCHAIN_EXTERNAL_SITE = $(dir $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_URL)))
> -- 
> 2.1.0
> 

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