On Thu, 2023-12-07 at 13:39 +0000, Alex Kiernan wrote:
> cargo_common_do_configure uses CARGO_MANIFEST_PATH (which depends on
> CARGO_SRC_DIR), but their definition was in cargo.bbclass.
>
> Match the other variables here and change to default values, rather
> than weak defaults.
FWIW "single value" class variables tend to work much better as ??=
(which I'd call default value) since than it doesn't matter if the
recipe setting comes before or after the inherit and the inherit
position in the recipe doesn't matter.
I'd call ?= a weak assignment or weak default.
Thanks for working on cleaning some of these things up. I got so far
with it originally and then ran out of time (and too frustrated with
the long build/test cycles!).
Cheers,
Richard
>
> Signed-off-by: Alex Kiernan <alex.kier...@gmail.com>
> ---
>
> meta/classes-recipe/cargo.bbclass | 7 -------
> meta/classes-recipe/cargo_common.bbclass | 7 +++++++
> 2 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/meta/classes-recipe/cargo.bbclass
> b/meta/classes-recipe/cargo.bbclass
> index 96a74e2ef1ec..0829a58dd90f 100644
> --- a/meta/classes-recipe/cargo.bbclass
> +++ b/meta/classes-recipe/cargo.bbclass
> @@ -30,13 +30,6 @@ B = "${WORKDIR}/build"
> # where the issue occured
> export RUST_BACKTRACE = "1"
>
> -# The directory of the Cargo.toml relative to the root directory, per default
> -# assume there's a Cargo.toml directly in the root directory
> -CARGO_SRC_DIR ??= ""
> -
> -# The actual path to the Cargo.toml
> -CARGO_MANIFEST_PATH ??= "${S}/${CARGO_SRC_DIR}/Cargo.toml"
> -
> RUSTFLAGS ??= ""
> BUILD_MODE = "${@['--release', ''][d.getVar('DEBUG_BUILD') == '1']}"
> # --frozen flag will prevent network access (which is required since only
> diff --git a/meta/classes-recipe/cargo_common.bbclass
> b/meta/classes-recipe/cargo_common.bbclass
> index bf298e96c745..c330c122a9d3 100644
> --- a/meta/classes-recipe/cargo_common.bbclass
> +++ b/meta/classes-recipe/cargo_common.bbclass
> @@ -33,6 +33,13 @@ CARGO_DISABLE_BITBAKE_VENDORING ?= "0"
> # Used by libstd-rs to point to the vendor dir included in rustc src
> CARGO_VENDORING_DIRECTORY ?= "${CARGO_HOME}/bitbake"
>
> +# The directory of the Cargo.toml relative to the root directory, per default
> +# assume there's a Cargo.toml directly in the root directory
> +CARGO_SRC_DIR ?= ""
> +
> +# The actual path to the Cargo.toml
> +CARGO_MANIFEST_PATH ?= "${S}/${CARGO_SRC_DIR}/Cargo.toml"
> +
> CARGO_RUST_TARGET_CCLD ?= "${RUST_TARGET_CCLD}"
> cargo_common_do_configure () {
> mkdir -p ${CARGO_HOME}/bitbake
>
>
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