From 32c23f3e35391156fe6e2474f00b946685ead8d3 Mon Sep 17 00:00:00 2001
From: Tudor Brindus <me@tbrindus.ca>
Date: Wed, 29 Apr 2020 21:15:54 -0400
Subject: [PATCH] Add Docker-based build for building SDL on Linux

Example usage, to build i386 libs:

  docker build -t sdl2-i386 -f Dockerfile.i386 .
  mkdir i386
  docker run -v `pwd`/compile:/entry -v `pwd`/i386:/io sdl2-i386

s/i386/amd64 to build for amd64.
---
 linux-build/Dockerfile.amd64     | 19 +++++++++++++++++++
 linux-build/Dockerfile.i386      | 19 +++++++++++++++++++
 linux-build/compile              | 11 +++++++++++
 linux-build/stretch-package-pins | 27 +++++++++++++++++++++++++++
 4 files changed, 76 insertions(+)
 create mode 100644 linux-build/Dockerfile.amd64
 create mode 100644 linux-build/Dockerfile.i386
 create mode 100755 linux-build/compile
 create mode 100644 linux-build/stretch-package-pins

diff --git a/linux-build/Dockerfile.amd64 b/linux-build/Dockerfile.amd64
new file mode 100644
index 0000000..514b06f
--- /dev/null
+++ b/linux-build/Dockerfile.amd64
@@ -0,0 +1,19 @@
+FROM debian:jessie
+
+# We build on Jessie, but libwayland-dev and wayland-protocols are only in
+# Stretch and later.
+COPY stretch-package-pins /etc/apt/preferences.d/stretch
+
+# Packages are from https://hg.libsdl.org/SDL/file/default/docs/README-linux.md
+RUN echo deb http://deb.debian.org/debian/ stretch main > /etc/apt/sources.list.d/stretch.list && \
+    echo deb http://security.debian.org/debian-security stretch/updates main >> /etc/apt/sources.list.d/stretch.list && \
+    apt-get update && \
+    apt-get install -y build-essential mercurial make cmake autoconf automake \
+      libtool libasound2-dev libpulse-dev libaudio-dev libx11-dev libxext-dev \
+      libxrandr-dev libxcursor-dev libxi-dev libxinerama-dev libxxf86vm-dev \
+      libxss-dev libgl1-mesa-dev libesd0-dev libdbus-1-dev libudev-dev \
+      libgles1-mesa-dev libgles2-mesa-dev libegl1-mesa-dev libibus-1.0-dev \
+      fcitx-libs-dev libsamplerate0-dev libsndio-dev libwayland-dev \
+      libxkbcommon-dev wayland-protocols
+
+ENTRYPOINT ["/entry"]
diff --git a/linux-build/Dockerfile.i386 b/linux-build/Dockerfile.i386
new file mode 100644
index 0000000..625c3b4
--- /dev/null
+++ b/linux-build/Dockerfile.i386
@@ -0,0 +1,19 @@
+FROM i386/debian:jessie
+
+# We build on Jessie, but libwayland-dev and wayland-protocols are only in
+# Stretch and later.
+COPY stretch-package-pins /etc/apt/preferences.d/stretch
+
+# Packages are from https://hg.libsdl.org/SDL/file/default/docs/README-linux.md
+RUN echo deb http://deb.debian.org/debian/ stretch main > /etc/apt/sources.list.d/stretch.list && \
+    echo deb http://security.debian.org/debian-security stretch/updates main >> /etc/apt/sources.list.d/stretch.list && \
+    apt-get update && \
+    apt-get install -y build-essential mercurial make cmake autoconf automake \
+      libtool libasound2-dev libpulse-dev libaudio-dev libx11-dev libxext-dev \
+      libxrandr-dev libxcursor-dev libxi-dev libxinerama-dev libxxf86vm-dev \
+      libxss-dev libgl1-mesa-dev libesd0-dev libdbus-1-dev libudev-dev \
+      libgles1-mesa-dev libgles2-mesa-dev libegl1-mesa-dev libibus-1.0-dev \
+      fcitx-libs-dev libsamplerate0-dev libsndio-dev libwayland-dev \
+      libxkbcommon-dev wayland-protocols
+
+ENTRYPOINT ["/entry"]
diff --git a/linux-build/compile b/linux-build/compile
new file mode 100755
index 0000000..5aeb4b8
--- /dev/null
+++ b/linux-build/compile
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -euf -o pipefail
+
+hg clone https://hg.libsdl.org/SDL SDL
+cd SDL
+mkdir build
+cd build
+../configure --prefix=/io
+make -j$(nproc)
+make install
diff --git a/linux-build/stretch-package-pins b/linux-build/stretch-package-pins
new file mode 100644
index 0000000..1700f2a
--- /dev/null
+++ b/linux-build/stretch-package-pins
@@ -0,0 +1,27 @@
+Package: *
+Pin: release n=stretch
+Pin-Priority: 50
+
+Package: libwayland-dev
+Pin: release n=stretch
+Pin-Priority: 800
+
+Package: libwayland-bin
+Pin: release n=stretch
+Pin-Priority: 800
+
+Package: libwayland-client0
+Pin: release n=stretch
+Pin-Priority: 800
+
+Package: libwayland-cursor0
+Pin: release n=stretch
+Pin-Priority: 800
+
+Package: libwayland-server0
+Pin: release n=stretch
+Pin-Priority: 800
+
+Package: wayland-protocols
+Pin: release n=stretch
+Pin-Priority: 800