Hi Adrian,
Adrian Freihofer <adrian.freiho...@gmail.com> escreveu no dia segunda,
20/11/2023 à(s) 14:46:
> Provide an easy way to enable cmake-qemu e.g. on distro level for all
> recipes inheriting the cmake.bbclass.
>
> Therefore a new variable is introduced: OECMAKE_EXEWRAPPER_QEMU.
>
> If set to "1" all recipes built with CMake can use qemu to execute
> cross-compiled binaries on the build machine.
> One use case is the execution of cross-compiled unit tests or ptests,
> e.g. in an SDK context. Therefore, a variable that activates Qemu for
> all CMake recipes is much more useful than just providing the optional
> cmake-qemu.bbclass.
> Further information can be found in the CMake documentation in the
> CMAKE_CROSSCOMPILING_EMULATOR section.
>
> There are some use cases for qemu-user, but users should not be
> encouraged to use it as an alternative for clean cross-compilation.
> Since the core does not need it either it is optional.
>
Are you sure this works in the majority of scenarios?
Last time I worked on this qemu user mode failed to run
multithreading applications.
Jose
> Signed-off-by: Adrian Freihofer <adrian.freiho...@siemens.com>
> ---
> meta/classes-recipe/cmake.bbclass | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/meta/classes-recipe/cmake.bbclass
> b/meta/classes-recipe/cmake.bbclass
> index d978b88944..4d8e2a206f 100644
> --- a/meta/classes-recipe/cmake.bbclass
> +++ b/meta/classes-recipe/cmake.bbclass
> @@ -14,6 +14,10 @@ B = "${WORKDIR}/build"
> # The supported options are "Unix Makefiles" or "Ninja".
> OECMAKE_GENERATOR ?= "Ninja"
>
> +# qemu-user can be used for special use cases, but not by default
> +OECMAKE_EXEWRAPPER_QEMU ??= "0"
> +inherit ${@'cmake-qemu' if d.getVar('OECMAKE_EXEWRAPPER_QEMU') else ''}
> +
> python() {
> generator = d.getVar("OECMAKE_GENERATOR")
> if "Unix Makefiles" in generator:
> --
> 2.41.0
>
>
>
>
>
--
Best regards,
José Quaresma
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