OpenRA3 v0.0.1: C++26 modules, BIG4/RefPack reader, minimal skirmish

2026-09-12 00:26:45 +08:00
commit 3ad380c81e
24 changed files with 2630 additions and 0 deletions
@@ -0,0 +1,58 @@
+# syntax=docker/dockerfile:1
+
+# dev target: full toolchain + debug tools for development and debugging.
+# Base image and compiler are the latest stable (ubuntu:26.04 ships gcc/g++ 16).
+FROM ubuntu:26.04 AS dev
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Optional apt mirror override, e.g. --build-arg APT_MIRROR=http://mirrors.tuna.tsinghua.edu.cn/ubuntu
+ARG APT_MIRROR=""
+RUN if [ -n "$APT_MIRROR" ]; then \
+        sed -i -e "s|http://archive.ubuntu.com/ubuntu|${APT_MIRROR}|g" \
+               -e "s|http://security.ubuntu.com/ubuntu|${APT_MIRROR}|g" \
+               -e "s|http://ports.ubuntu.com/ubuntu-ports|${APT_MIRROR}|g" \
+               /etc/apt/sources.list /etc/apt/sources.list.d/*.sources 2>/dev/null || true; \
+    fi
+
+RUN --mount=type=cache,target=/var/lib/apt,sharing=locked \
+    --mount=type=cache,target=/var/cache/apt,sharing=locked \
+    apt-get update && apt-get install -y --no-install-recommends \
+        build-essential \
+        ca-certificates \
+        cmake \
+        g++-16 \
+        gdb \
+        git \
+        ninja-build \
+        pkg-config \
+        && rm -rf /var/lib/apt/lists/*
+
+# Pin the toolchain to GCC 16 (the distro default is still GCC 15).
+ENV CC=gcc-16
+ENV CXX=g++-16
+RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-16 100 \
+    && update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-16 100 \
+    && update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++-16 100
+
+WORKDIR /work
+COPY . .
+
+# C++26 modules need CMake >= 3.28, the Ninja generator and a module-aware gcc.
+RUN cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Release \
+    && cmake --build build -j \
+    && ctest --test-dir build --output-on-failure
+
+# deploy target: runtime dependencies + final binary, minimal and fast.
+FROM ubuntu:26.04 AS deploy
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        libstdc++6 \
+        && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY --from=dev /work/build/bin/openra3 /app/openra3
+
+ENTRYPOINT ["/app/openra3"]