openwrt-builders/generic/Containerfile

FROM localhost/openwrt-base:debian-23.05.2 AS builder

ARG PLATFORM=x86
ARG SUBTARGET=64
ARG DEVICE=generic

RUN printf '%s\n%s\n%s\n' \
	"CONFIG_TARGET_${PLATFORM}=y" \
	"CONFIG_TARGET_${PLATFORM}_${SUBTARGET}=y" \
	"CONFIG_TARGET_${PLATFORM}_${SUBTARGET}_DEVICE_${DEVICE}=y" \
	> /run/target.config

RUN echo "Building for ${PLATFORM}/${SUBTARGET}/${DEVICE}"

RUN cat /run/target.config > .config
RUN make defconfig

RUN make -j$(nproc) V=w download

RUN --mount=type=cache,dst=/root/.ccache make -j$(nproc) \
	V=w \
	CONFIG_CCACHE=y \
	CONFIG_CCACHE_DIR=/root/.ccache \
	tools/compile

RUN --mount=type=cache,dst=/root/.ccache make -j$(nproc) \
	V=w \
	CONFIG_CCACHE=y \
	CONFIG_CCACHE_DIR=/root/.ccache \
	toolchain/compile

ADD config /run/config
ADD files/ files/
RUN cat /run/target.config /run/config >> .config
RUN make defconfig

RUN --mount=type=cache,dst=/root/.ccache make -j$(nproc) \
	V=wc \
	CONFIG_CCACHE=y \
	CONFIG_CCACHE_DIR=/root/.ccache \
	target/compile

RUN --mount=type=cache,dst=/root/.ccache make -j$(nproc) \
	V=wc \
	CONFIG_CCACHE=y \
	CONFIG_CCACHE_DIR=/root/.ccache \
	package/compile

RUN --mount=type=cache,dst=/root/.ccache make -j$(nproc) \
	V=wc \
	CONFIG_CCACHE=y \
	CONFIG_CCACHE_DIR=/root/.ccache \
	world

RUN --mount=type=cache,dst=/root/.ccache ccache -s

FROM scratch

COPY --from=builder /root/OpenWRT/bin/ /