FROM alpine as base
ARG PREFIX=/opt/spm/cjson-1.7.16
RUN apk update && apk add \
	git \
	cmake \
	make \
	gcc \
	musl-dev
RUN git clone --depth 1 -b v1.7.16 https://github.com/DaveGamble/cJSON
WORKDIR /cJSON
RUN cmake -B build \
	-DCMAKE_BUILD_TYPE=Release \
	-DCMAKE_INSTALL_PREFIX=$PREFIX \
	-DBUILD_SHARED_LIBS=OFF \
	-DCMAKE_C_FLAGS="-ffunction-sections -fdata-sections"
RUN cmake --build build/ --parallel $(nproc --all)
RUN cmake --install build/
FROM scratch
COPY --from=base /opt/spm/cjson-1.7.16 /opt/spm/cjson-1.7.16