[Buildroot] [PATCH v4] linux: install dtc (device tree compiler) as host tool if selected

[Thomas De Schampheleire]

On Fri, Apr 6, 2012 at 10:10 PM, Thomas De Schampheleire
<patrickdepinguin+buildroot at gmail.com> wrote:
> Having dtc as a host tool can be useful for users that have a custom
> boot scenario where the device tree is not embedded in the kernel.
>
> Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire at gmail.com>
>
> ---
> v2: remove old parameters to GENTARGETS call, sorry.
> v3: rename Config.in.host and depend on Linux (comments Arnout)
> v4: no need for a separate package, just put the logic in linux.mk
>    (suggestion of Alexandre Pereira da Silva, thanks!)
>
>  linux/linux.mk |  10 ++++++++++
>  1 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/linux/linux.mk b/linux/linux.mk
> --- a/linux/linux.mk
> +++ b/linux/linux.mk
> @@ -183,6 +183,15 @@ define LINUX_INSTALL_KERNEL_IMAGE_TO_TAR
>  endef
>  endif
>
> +
> +define LINUX_INSTALL_HOST_TOOLS
> +       # Installing dtc (device tree compiler) as host tool, if selected
> +       if grep -q "CONFIG_DTC=y" $(@D)/.config; then   \
> +               $(INSTALL) -D -m 0755 $(@D)/scripts/dtc/dtc $(HOST_DIR)/usr/bin/dtc ;   \
> +       fi
> +endef
> +
> +
>  define LINUX_INSTALL_IMAGES_CMDS
>        cp $(LINUX_IMAGE_PATH) $(BINARIES_DIR)
>  endef
> @@ -197,6 +206,7 @@ define LINUX_INSTALL_TARGET_CMDS
>                rm -f $(TARGET_DIR)/lib/modules/$(LINUX_VERSION_PROBED)/build ;         \
>                rm -f $(TARGET_DIR)/lib/modules/$(LINUX_VERSION_PROBED)/source ;        \
>        fi
> +       $(LINUX_INSTALL_HOST_TOOLS)
>  endef
>
>  include linux/linux-ext-*.mk

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