smaller image

Dockerfile

@@ -1,17 +1,42 @@
-FROM ubuntu:22.04
+# [Choice] bionic (18.04), focal (20.04)
+ARG VARIANT="focal"
 
-RUN DEBIAN_FRONTEND="noninteractive" apt-get update && apt-get -y install tzdata
+FROM ubuntu:${VARIANT} AS build
 
-RUN apt-get update && apt-get install -y gcc g++ gperf bison flex texinfo help2man make libncurses5-dev \
-    python3-dev autoconf automake libtool libtool-bin gawk wget bzip2 xz-utils unzip \
-    patch libstdc++6 rsync git meson ninja-build ccache
-RUN wget -P /tmp/ http://crosstool-ng.org/download/crosstool-ng/crosstool-ng-1.26.0.tar.xz
-RUN cd /tmp/
-RUN tar xvf /tmp/crosstool-ng-1.26.0.tar.xz -C /tmp/
-ADD ct-ng.config /tmp/crosstool-ng-1.26.0/.config
-RUN cd /tmp/crosstool-ng-1.26.0/ && ./configure --enable-local && make && ./ct-ng build
-ADD wiiload.tar.gz /opt/
-RUN cd /opt/wiiload && make && make install
+RUN DEBIAN_FRONTEND="noninteractive" apt-get update && \
+    DEBIAN_FRONTEND="noninteractive" apt-get -y install \
+            tzdata gcc g++ gperf bison flex texinfo help2man make libncurses5-dev \
+            python3-dev autoconf automake libtool libtool-bin gawk wget bzip2 xz-utils unzip \
+            patch libstdc++6 rsync git meson ninja-build
+
+WORKDIR /build
+RUN wget http://crosstool-ng.org/download/crosstool-ng/crosstool-ng-1.26.0.tar.xz && \
+    tar -xvf crosstool-ng-1.26.0.tar.xz && \
+    rm crosstool-ng-1.26.0.tar.xz && \
+    cd crosstool-ng-1.26.0 && \
+    ./configure --prefix=/usr/local/ct && \
+    make && \
+    make install && \
+    cd .. && \
+    rm -rf crosstool-ng-1.26.0
+    
+ADD ct-ng.config .config
+RUN /usr/local/ct/bin/ct-ng build
+RUN git clone https://github.com/fail0verflow/hbc.git /build/hbc && cd /build/hbc/channel/wiiload && make
+
+## Final build image
+FROM  ubuntu:${VARIANT}
+
+RUN DEBIAN_FRONTEND="noninteractive" apt-get update && \
+    DEBIAN_FRONTEND="noninteractive" apt-get -y install \
+            patch ninja-build make bc ccache gcc libncurses-dev
+
+COPY --from=build /root/x-tools/powerpc-unknown-linux-gnu/ /usr/local/crosstool
+COPY --from=build /build/hbc/channel/wiiload/wiiload /usr/local/crosstool/bin/wiiload
+
+ENV PATH=/usr/local/crosstool/bin:$PATH
 ENV CROSS_COMPILE=powerpc-unknown-linux-gnu-
+ENV CC=powerpc-unknown-linux-gnu-gcc
 ENV ARCH=powerpc
-ENV PATH=/root/x-tools/powerpc-unknown-linux-gnu/bin:$PATH
+
+WORKDIR /code