FROM alpine as base
ARG PREFIX=/usr/local
ARG DESTDIR=/opt/spm/libsodium-1.0.20
RUN apk update && apk add \
	make \
	gcc \
	pkgconf \
	musl-dev \
	wget
RUN wget https://download.libsodium.org/libsodium/releases/libsodium-1.0.20.tar.gz
RUN tar -xf libsodium-1.0.20.tar.gz
WORKDIR /build-libsodium
RUN CFLAGS="-ffunction-sections -fdata-sections -Os" \
	../libsodium-1.0.20/configure \
	--prefix=$PREFIX \
    --enable-static \
    --enable-shared=no
RUN make -j$(nproc)
RUN make install DESTDIR=$DESTDIR
FROM scratch
COPY --from=base /opt/spm/libsodium-1.0.20/usr/local/ /opt/spm/libsodium-1.0.20