Re: [PATCH V3] linux-custom: support to add linux-libc-dev package with kernel name

["'Jan Kiszka' via isar-users" <isar-users@googlegroups.com>]

On 17.01.25 18:37, 'Arulpandiyan Vadivel' via isar-users wrote:
> Debian and Ubuntu use unified kernel headers and a single linux-libc-dev
> package is shipped. In contrast, Isar may build multiple kernel variants
> with different versions and/or patches and their packages but linux-libc-dev
> are suffixed with -${KERNEL_NAME_PROVIDED}: this allows
> each variant to exist in isar-apt (reprepro may not have more than one
> version of a given package for a given suite).
> Apply the same suffix to linux-libc-dev / linux-libc-dev-${DISTRO_ARCH}-cross
> and a Provides: clause.
> 
> Signed-off-by: Arulpandiyan Vadivel <arulpandiyan.vadivel@siemens.com>
> ---
>  RECIPE-API-CHANGELOG.md                              | 12 ++++++++++++
>  doc/custom_kernel.md                                 |  4 ++--
>  meta/recipes-kernel/linux/files/debian/control.tmpl  | 10 +++++++---
>  .../linux/files/debian/isar/install.tmpl             |  2 +-
>  meta/recipes-kernel/linux/linux-custom.inc           |  2 ++
>  5 files changed, 24 insertions(+), 6 deletions(-)
> 
> diff --git a/RECIPE-API-CHANGELOG.md b/RECIPE-API-CHANGELOG.md
> index f310553a..5d470c94 100644
> --- a/RECIPE-API-CHANGELOG.md
> +++ b/RECIPE-API-CHANGELOG.md
> @@ -702,3 +702,15 @@ enable cross-compilation. Otherwize ISAR_CROSS_COMPILE = "0" now should be set
>  in local.conf to disable cross-compilation for all the recipes.
>  Sample local.conf from meta-isar used by isar-init-build-env is also changed
>  to enable cross-compilation by default.
> +
> +### Enable linux-libc-dev package with KERNEL_NAME_PROVIDED
> +
> +By default linux-libc-dev and linux-libc-dev-${DISTRO_ARCH}-cross package
> +was generated for architecture it builds for.
> +
> +This change helps to generate the `linux-libc-dev-${KERNEL_NAME_PROVIDED}` and
> +`linux-libc-dev-cross-${KERNEL_NAME_PROVIDED}`.
> +For example, If `KERNEL_NAME_PROVIDED` is configured as `foo` for arm64, now
> +`linux-libc-dev-foo` and `linux-libc-dev-arm64-cross-foo` package will be
> +generated. This will help to have multiple versions of linux-libc-dev packages
> +available for respective bsps in apt feeds.
> diff --git a/doc/custom_kernel.md b/doc/custom_kernel.md
> index ce5f1bf7..ade4ad7a 100644
> --- a/doc/custom_kernel.md
> +++ b/doc/custom_kernel.md
> @@ -51,9 +51,9 @@ The linux-custom recipe provides support for:
>  
>      Only the `host` specific package is built automatically at cross builds.
>  
> - 10. Produce a `linux-libc-dev` package to support user-land builds
> + 10. Produce a `linux-libc-dev-${KERNEL_NAME_PROVIDED}` package to support user-land builds

KERNEL_NAME - this is what the user will deal with. KERNEL_NAME_PROVIDED
is internal to the kernel recipes.

>  
> - 11. Only build/ship the `linux-libc-dev` package if instructed to
> + 11. Only build/ship the `linux-libc-dev-${KERNEL_NAME_PROVIDED}` package if instructed to
>       (`KERNEL_LIBC_DEV_DEPLOY` equals to `"1"`)

Same here.

>  
>   12. Support both native and cross compiles (`ISAR_CROSS_COMPILE`)
> diff --git a/meta/recipes-kernel/linux/files/debian/control.tmpl b/meta/recipes-kernel/linux/files/debian/control.tmpl
> index ec0da1ab..a79b86c4 100644
> --- a/meta/recipes-kernel/linux/files/debian/control.tmpl
> +++ b/meta/recipes-kernel/linux/files/debian/control.tmpl
> @@ -22,19 +22,23 @@ Description: ${KERNEL_NAME_PROVIDED} Linux kernel headers for @KR@
>   .
>   This is useful for people who need to build external modules
>  
> -Package: linux-libc-dev
> +Package: linux-libc-dev-${KERNEL_NAME_PROVIDED}
>  Build-Profiles: <!nolibcdev kernel>
>  Section: devel
> -Provides: linux-kernel-headers
> +Conflicts: linux-libc-dev
> +Provides: linux-libc-dev
> +Replaces: linux-libc-dev
>  Architecture: ${KERNEL_LIBC_DEV_ARCH}
>  Description: Linux support headers for userspace development
>   This package provides userspaces headers from the Linux kernel. These headers
>   are used by the installed headers for GNU glibc and other system libraries.
>  
> -Package: linux-libc-dev-${DISTRO_ARCH}-cross
> +Package: linux-libc-dev-${DISTRO_ARCH}-cross-${KERNEL_NAME_PROVIDED}
>  Build-Profiles: <!nolibcdev cross !kbuild>
>  Section: devel
> +Conflicts: linux-kernel-headers-${DISTRO_ARCH}-cross
>  Provides: linux-kernel-headers-${DISTRO_ARCH}-cross
> +Replaces: linux-kernel-headers-${DISTRO_ARCH}-cross
>  Architecture: all
>  Description: Linux Kernel Headers for development (for cross-compiling)
>   This package provides headers from the Linux kernel.  These headers
> diff --git a/meta/recipes-kernel/linux/files/debian/isar/install.tmpl b/meta/recipes-kernel/linux/files/debian/isar/install.tmpl
> index 6d742f02..290a7d56 100644
> --- a/meta/recipes-kernel/linux/files/debian/isar/install.tmpl
> +++ b/meta/recipes-kernel/linux/files/debian/isar/install.tmpl
> @@ -248,7 +248,7 @@ install_headers() {
>      if dpkg --compare-versions "${krel}" "lt" "5.4.24"; then
>          headers_check
>      fi
> -    [ -z ${kern_pkgs["linux-libc-dev"]} ] || libc_headers
> +    [ -z ${kern_pkgs["linux-libc-dev-${KERNEL_NAME_PROVIDED}"]} ] || libc_headers
>      kernel_headers
>  }
>  
> diff --git a/meta/recipes-kernel/linux/linux-custom.inc b/meta/recipes-kernel/linux/linux-custom.inc
> index 77700a5d..4f68f4cd 100644
> --- a/meta/recipes-kernel/linux/linux-custom.inc
> +++ b/meta/recipes-kernel/linux/linux-custom.inc
> @@ -152,7 +152,9 @@ RECIPE_PROVIDES = " \
>      linux-image-${KERNEL_NAME_PROVIDED} \
>      linux-headers-${KERNEL_NAME_PROVIDED} \
>      linux-libc-dev \
> +    linux-libc-dev-${KERNEL_NAME_PROVIDED} \
>      linux-libc-dev-${DISTRO_ARCH}-cross \
> +    linux-libc-dev-${DISTRO_ARCH}-cross-${KERNEL_NAME_PROVIDED} \
>      linux-image-${KERNEL_NAME_PROVIDED}-dbg \
>      linux-kbuild-${KERNEL_NAME_PROVIDED} \
>      ${BPN}-pseudo-native \

Jan

-- 
Siemens AG, Foundational Technologies
Linux Expert Center

-- 
You received this message because you are subscribed to the Google Groups "isar-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to isar-users+unsubscribe@googlegroups.com.
To view this discussion visit https://groups.google.com/d/msgid/isar-users/447a6a96-6df0-43bd-878c-0288abb036af%40siemens.com.