[Buildroot] [PATCH v1] package/v4l2loopback: fix v4l2loopback-ctl compile/install

[Arnout Vandecappelle]

On 27/03/2025 17:49, Peter Seiderer via buildroot wrote:
> Since upstream commit [1] the original v4l2loopback-ctl bash script was
> replaced by a C version, so add a proper compile step (and remove bash
> runtime dependency) to fix '[help] v4l2loopback package build fails for
> raspberrypi5' [2].
>
> Fixes:
>
>    /usr/bin/install: cannot stat
>    '.../build/v4l2loopback-0.13.2/utils/v4l2loopback-ctl':
>    No such file or directory
>
> [1] https://github.com/v4l2loopback/v4l2loopback/commit/33922fa4e9965d400edcc2761e55fedf84bbb22a
> [2] https://lists.busybox.net/pipermail/buildroot/2025-March/775911.html
>
> Signed-off-by: Peter Seiderer <ps.report at gmx.net>

  Applied to 2025.02.x and 2024.11.x, thanks.

  Regards,
  Arnout

> ---
>   package/v4l2loopback/Config.in       | 4 ----
>   package/v4l2loopback/v4l2loopback.mk | 4 ++++
>   2 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/package/v4l2loopback/Config.in b/package/v4l2loopback/Config.in
> index d8ca31e577..4bfa9a4fdd 100644
> --- a/package/v4l2loopback/Config.in
> +++ b/package/v4l2loopback/Config.in
> @@ -14,10 +14,6 @@ if BR2_PACKAGE_V4L2LOOPBACK
>   
>   config BR2_PACKAGE_V4L2LOOPBACK_UTILS
>   	bool "utils"
> -	depends on BR2_USE_MMU # bash
> -	select BR2_PACKAGE_BUSYBOX_SHOW_OTHERS # bash
> -	select BR2_PACKAGE_BASH # runtime dependency
> -	select BR2_PACKAGE_SUDO # runtime dependency
>   	help
>   	  Install applications to interact with v4l2-loopback devices
>   	  ("virtual video devices").  Currently there is only a single
> diff --git a/package/v4l2loopback/v4l2loopback.mk b/package/v4l2loopback/v4l2loopback.mk
> index 0e1d20c0cc..a4ddf5e2d9 100644
> --- a/package/v4l2loopback/v4l2loopback.mk
> +++ b/package/v4l2loopback/v4l2loopback.mk
> @@ -11,6 +11,10 @@ V4L2LOOPBACK_LICENSE_FILES = COPYING
>   V4L2LOOPBACK_CPE_ID_PREFIX = cpe:2.3:o
>   
>   ifeq ($(BR2_PACKAGE_V4L2LOOPBACK_UTILS),y)
> +define V4L2LOOPBACK_BUILD_CMDS
> +	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) utils
> +endef
> +
>   define V4L2LOOPBACK_INSTALL_TARGET_CMDS
>   	$(INSTALL) -D -m 0755 $(@D)/utils/v4l2loopback-ctl $(TARGET_DIR)/usr/bin/v4l2loopback-ctl
>   endef