[PATCH v2 1/1] examples: make examples/ optional

[Matthias Brugger]

On 23/09/2020 19:09, Heinrich Schuchardt wrote:
> Most users don't need the standalone API examples. Distributions like SUSE
> do not supply libgcc for cross-compiling and we cannot do without on ARMv8
> for building examples/.
> 
> Make examples selectable via symbol CONFIG_EXAMPLES. It defaults to
> yes on ARCH_QEMU to ensure that we compile the API as part of our
> continuous integration.
> 
> Cc: Matthias Brugger <mbrugger at suse.com>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>

Reviewed-by: Matthias Brugger <mbrugger at suse.com>

> ---
> v2:
> 	default=y on ARCH_QEMU only
> ---
>   Kconfig           | 8 ++++++++
>   examples/Makefile | 2 +-
>   2 files changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/Kconfig b/Kconfig
> index 883e3f71d0..d0eae2ceba 100644
> --- a/Kconfig
> +++ b/Kconfig
> @@ -422,6 +422,14 @@ config SYS_SRAM_SIZE
>   	default 0x10000 if TARGET_TRICORDER
>   	default 0x0
> 
> +config EXAMPLES
> +	bool "Compile API examples"
> +	depends on !SANDBOX
> +	default y if ARCH_QEMU
> +	help
> +	  U-Boot provides an API for standalone applications. Examples are
> +	  provided in directory examples/.
> +
>   endmenu		# General setup
> 
>   menu "Boot images"
> diff --git a/examples/Makefile b/examples/Makefile
> index d440bc5655..bf518bd221 100644
> --- a/examples/Makefile
> +++ b/examples/Makefile
> @@ -1,6 +1,6 @@
>   # SPDX-License-Identifier: GPL-2.0+
> 
> -ifndef CONFIG_SANDBOX
> +ifdef CONFIG_EXAMPLES
> 
>   ifdef FTRACE
>   subdir-ccflags-y += -finstrument-functions -DFTRACE
> --
> 2.28.0
>