FROM alpine:latest

RUN apk update \
    && apk upgrade \
    && apk add gcompat ninja-build linux-headers \
    && apk --repository=https://dl-cdn.alpinelinux.org/alpine/edge/main add gcc g++ gdb \
    && rm -rf /var/cache/apk/*

RUN cd /root/ \
    && wget https://github.com/Kitware/CMake/releases/download/v4.2.0-rc2/cmake-4.2.0-rc2-linux-x86_64.sh \
    && sh cmake-4.2.0-rc2-linux-x86_64.sh --prefix=/opt/cmake --skip-license --include-subdir \
    && rm cmake-4.2.0-rc2-linux-x86_64.sh \
    && ln -s /opt/cmake/cmake-4.2.0-rc2-linux-x86_64/bin/cmake /usr/bin/cmake