From 26fdfacbfcd52efb30d5ccbc5e1f46a5da56180c Mon Sep 17 00:00:00 2001
From: Erik Winkels <erik.winkels@powerdns.com>
Date: Wed, 20 Nov 2024 20:10:03 +0100
Subject: [PATCH] Build Sokoban APK for Android.

---
 examples/sokoban/platforms/android/Dockerfile | 88 +++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 examples/sokoban/platforms/android/Dockerfile

diff --git a/examples/sokoban/platforms/android/Dockerfile b/examples/sokoban/platforms/android/Dockerfile
new file mode 100644
index 0000000..8cf788e
--- /dev/null
+++ b/examples/sokoban/platforms/android/Dockerfile
@@ -0,0 +1,88 @@
+# Dockerfile
+#
+# - `docker build -f Dockerfile -t sokoban-android .`
+# - `docker run -it sokoban-android`
+# - follow instructions that are printed
+#
+# This file downloads required files to make it easier to share. If you're
+# going to run this repeatedly (in CI for example) then download the files
+# only once outside of this build and copy them inside during the build.
+# Otherwise you'll be wasting a lot of someone else's bandwidth.
+#
+# The files:
+# - `1-make-ecl-host.sh`
+# - `2-make-ecl-android.sh`
+# - `ecl-23.9.9.tgz`
+# - `qt-everywhere-opensource-src-5.15.15.tar.xz`
+
+FROM mingc/android-build-box:1.23.1
+
+# There might be some superfluous definitions here :shrug:
+# These are copied from running the Android Build Box.
+ENV ANDROID_HOME="/opt/android-sdk"
+ENV ANDROID_NDK_HOME="/opt/android-sdk/ndk/current"
+ENV ANDROID_NDK="/opt/android-sdk/ndk/current"
+ENV JAVA_HOME="/usr/lib/jvm/java-11-openjdk-amd64"
+# These are required by LQML.
+ENV ANDROID_NDK_ROOT="/opt/android-sdk/ndk/current"
+ENV ANDROID_NDK_TOOLCHAIN="/opt/android-sdk/ndk/current/toolchains/llvm/prebuilt/linux-x86_64"
+ENV ECL_ANDROID="/root/ecl/android/ecl-android"
+
+# `--allow-insecure-repositories` because old repo, key expired
+RUN apt-get update --allow-insecure-repositories
+RUN apt-get install --yes clang
+# This is probably due to using the Android Build Box.  We need this
+# otherwise `(require :ecl-quicklisp)` gives "protocol not found: tcp".
+RUN apt-get install --yes netbase
+
+# We need NDK 21.3 and sdkmanager only works with Java 8.
+RUN env JAVA_HOME="/usr/lib/jvm/java-8-openjdk-amd64" sdkmanager --install "ndk;21.3.6528147"
+WORKDIR /opt/android-sdk/ndk
+RUN rm current
+RUN ln -s /opt/android-sdk/ndk/21.3.6528147 current
+
+# Create some directories we need later.
+WORKDIR /root
+RUN mkdir ecl qt
+
+# Build ECL
+WORKDIR /root/ecl
+RUN curl --output ecl-23.9.9.tgz https://ecl.common-lisp.dev/static/files/release/ecl-23.9.9.tgz
+RUN tar xvf ecl-23.9.9.tgz
+RUN rm ecl-23.9.9.tgz
+RUN mv ecl-23.9.9 android
+WORKDIR /root/ecl/android
+RUN curl --output 1-make-ecl-host.sh "https://gitlab.com/eql/lqml/-/raw/master/platforms/android/build-ecl/1-make-ecl-host.sh?ref_type=heads&inline=false"
+RUN curl --output 2-make-ecl-android.sh "https://gitlab.com/eql/lqml/-/raw/master/platforms/android/build-ecl/2-make-ecl-android.sh?ref_type=heads&inline=false"
+RUN chmod 750 1-make-ecl-host.sh 2-make-ecl-android.sh
+RUN ./1-make-ecl-host.sh
+RUN ./2-make-ecl-android.sh
+
+# Build QT (this takes a few hours on my machine)
+WORKDIR /root/qt
+RUN curl --location --output qt-everywhere-opensource-src-5.15.15.tar.xz https://download.qt.io/official_releases/qt/5.15/5.15.15/single/qt-everywhere-opensource-src-5.15.15.tar.xz
+RUN tar xvf qt-everywhere-opensource-src-5.15.15.tar.xz
+RUN rm qt-everywhere-opensource-src-5.15.15.tar.xz
+WORKDIR /root/qt/qt-everywhere-src-5.15.15
+RUN ./configure -xplatform android-clang --disable-rpath -nomake tests -nomake examples -android-ndk ${ANDROID_NDK_HOME} -android-sdk ${ANDROID_HOME} -no-warnings-are-errors -opensource -confirm-license
+# `-j 4` seems to make a small difference in building speed
+RUN make -j 4
+RUN make install
+
+# Build LQML library.
+WORKDIR /root
+RUN git clone https://gitlab.com/eql/lqml.git lqml
+WORKDIR /root/lqml/src/build-android
+RUN /usr/local/Qt-5.15.15/bin/qmake ../lqml-lib.pro
+RUN make
+
+# Build Sokoban.
+WORKDIR /root/lqml/examples
+RUN env PATH="$PATH:/root/ecl/android/ecl-android-host/bin" ./copy.sh sokoban
+WORKDIR /root/lqml/examples/sokoban/build-android
+RUN /usr/local/Qt-5.15.15/bin/qmake ../app.pro
+RUN make apk
+
+# Pause and show instruction for copying APK.
+SHELL ["/bin/bash", "-c"]
+CMD echo -e "In another terminal execute:\n    - 'docker cp ${HOSTNAME}:/root/lqml/examples/sokoban/build-android/android-build/app.apk .'\nto copy the APK out of the container." && read -p "Then press <Enter> to terminate this container."