[Buildroot] [PATCH v4 07/11] package/clang: new host package

[Matthew Weber]

Valentin,

On Thu, Mar 29, 2018 at 6:33 AM, Valentin Korenblit
<valentin.korenblit at smile.fr> wrote:
> This patch provides Clang for the host, tools and libraries.
>
> Clang is needed to build libclc, which is also provided in this
> series.
>
> Signed-off-by: Valentin Korenblit <valentin.korenblit at smile.fr>
> ---
>  DEVELOPERS                   |  1 +
>  package/Config.in.host       |  1 +
>  package/clang/Config.in.host |  8 ++++++++
>  package/clang/clang.hash     |  3 +++
>  package/clang/clang.mk       | 40 ++++++++++++++++++++++++++++++++++++++++
>  5 files changed, 53 insertions(+)
>  create mode 100644 package/clang/Config.in.host
>  create mode 100644 package/clang/clang.hash
>  create mode 100644 package/clang/clang.mk
>
> diff --git a/DEVELOPERS b/DEVELOPERS
> index 3ed9407670..47aa2dd82a 100644
> --- a/DEVELOPERS
> +++ b/DEVELOPERS
> @@ -1859,6 +1859,7 @@ F:        package/dropwatch/
>  F:     package/tstools/
>
>  N:     Valentin Korenblit <valentin.korenblit at smile.fr>
> +F:     package/clang/
>  F:     package/llvm/
>
>  N:     Vanya Sergeev <vsergeev at gmail.com>
> diff --git a/package/Config.in.host b/package/Config.in.host
> index 9a6227174b..09e00a2b45 100644
> --- a/package/Config.in.host
> +++ b/package/Config.in.host
> @@ -5,6 +5,7 @@ menu "Host utilities"
>         source "package/cargo/Config.in.host"
>         source "package/cbootimage/Config.in.host"
>         source "package/checkpolicy/Config.in.host"
> +       source "package/clang/Config.in.host"
>         source "package/cmake/Config.in.host"
>         source "package/cramfs/Config.in.host"
>         source "package/cryptsetup/Config.in.host"
> diff --git a/package/clang/Config.in.host b/package/clang/Config.in.host
> new file mode 100644
> index 0000000000..61a7ed59f0
> --- /dev/null
> +++ b/package/clang/Config.in.host
> @@ -0,0 +1,8 @@
> +config BR2_PACKAGE_HOST_CLANG

When I just select host and target clang, I get the dependency chain error.

Makefile:569: *** llvm is in the dependency chain of clang that has
added it to its _DEPENDENCIES variable without selecting it or
depending on it from Config.in.  Stop.