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diff --git a/docs/ci/index.rst b/docs/ci/index.rst index 7ec0db74b23..e4cea23768d 100644 --- a/docs/ci/index.rst +++ b/docs/ci/index.rst @@ -179,3 +179,34 @@ your repository and delete the tag to force a rebuild. When your code is eventually merged to master, a full image rebuild will occur again (forks inherit images from the main repo, but MRs don't propagate images from the fork into the main repo's registry). + +Building locally using CI docker images +--------------------------------------- + +It can be frustrating to debug build failures on an environment you +don't personally have. If you're experiencing this with the CI +builds, you can use Docker to use their build environment locally. Go +to your job log, and at the top you'll see a line like:: + + Pulling docker image registry.freedesktop.org/anholt/mesa/debian/android_build:2020-09-11 + +We'll use a volume mount to make our current Mesa tree be what the +Docker container uses, so they'll share everything (their build will +go in _build, according to ``meson-build.sh``). We're going to be +using the image non-interactively so we use ``run --rm $IMAGE +command`` instead of ``run -it $IMAGE bash`` (which you may also find +useful for debug). Extract your build setup variables from +.gitlab-ci.yml and run the CI meson build script: + +.. code-block:: console + + IMAGE=registry.freedesktop.org/anholt/mesa/debian/android_build:2020-09-11 + sudo docker pull $IMAGE + sudo docker run --rm -v `pwd`:/mesa -w /mesa $IMAGE env PKG_CONFIG_PATH=/usr/local/lib/aarch64-linux-android/pkgconfig/:/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/aarch64-linux-android/pkgconfig/ GALLIUM_DRIVERS=freedreno UNWIND=disabled EXTRA_OPTION="-D android-stub=true -D llvm=disabled" DRI_LOADERS="-D glx=disabled -D gbm=disabled -D egl=enabled -D platforms=android" CROSS=aarch64-linux-android ./.gitlab-ci/meson-build.sh + +All you have left over from the build is its output, and a _build +directory. You can hack on mesa and iterate testing the build with: + +.. code-block:: console + + sudo docker run --rm -v `pwd`:/mesa $IMAGE ninja -C /mesa/_build |