Add fswrap

fswrap/master/Dockerfile

@@ -0,0 +1,19 @@
+FROM alpine
+ARG PREFIX=/opt/spm/fswrap-master
+RUN apk update && apk add \
+	git \
+	cmake \
+	make \
+	gcc \
+	musl-dev
+RUN git clone --depth 1 https://gitea.privatedns.org/xavi/fswrap
+WORKDIR /fswrap
+RUN LDFLAGS="-static -Wl,--gc-sections" \
+    CFLAGS="-ffunction-sections -fdata-sections" \
+    cmake -B build \
+	-DCMAKE_BUILD_TYPE=Release \
+	-DCMAKE_INSTALL_PREFIX=$PREFIX
+RUN cmake --build build/ --parallel $(nproc --all) -v
+RUN cmake --install build/
+WORKDIR $PREFIX/bin
+RUN strip fswrap