Add instructions on how to build the file for multiple architectures. Add a message indicating what is happening.
Signed-off-by: Simon Glass sjg@chromium.org ---
tools/docker/Dockerfile | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile index 967ac89fbde..c9d794082c8 100644 --- a/tools/docker/Dockerfile +++ b/tools/docker/Dockerfile @@ -2,6 +2,9 @@ # This Dockerfile is used to build an image containing basic stuff to be used # to build U-Boot and run our test suites.
+# Build with (for example): +# docker buildx build --platform linux/arm64/v8,linux/amd64 --tag sjg20/u-boot-gitlab-ci-runner-multiarch:jammy-20240808-03Nov2024 . + FROM ubuntu:jammy-20240808 LABEL org.opencontainers.image.authors="Tom Rini trini@konsulko.com" LABEL org.opencontainers.image.description=" This image is for building U-Boot inside a container" @@ -9,6 +12,10 @@ LABEL org.opencontainers.image.description=" This image is for building U-Boot i # Make sure apt is happy ENV DEBIAN_FRONTEND=noninteractive
+ARG TARGETPLATFORM +ARG BUILDPLATFORM +RUN echo "Building $BUILDPLATFORM, for target $TARGETPLATFORM" + # Add LLVM repository RUN apt-get update && apt-get install -y gnupg2 wget xz-utils && rm -rf /var/lib/apt/lists/* RUN wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -