Merge branch 'lance/swtpm' into staging

packages/swtpm

@@ -0,0 +1,43 @@
+FROM scratch AS base
+ARG ARCH=x86_64
+ENV VERSION=0.9.0
+ENV SRC_HASH=9679ca171e8aaa3c4e4053e8bc1d10c8dabf0220bd4b16aba78743511c25f731
+ENV SRC_FILE=v${VERSION}.tar.gz
+ENV SRC_SITE=https://github.com/stefanberger/swtpm/archive/${SRC_FILE}
+
+FROM base AS fetch
+ADD --checksum=sha256:${SRC_HASH} ${SRC_SITE} .
+
+FROM fetch AS build
+COPY --from=stagex/busybox . /
+COPY --from=stagex/binutils . /
+COPY --from=stagex/musl . /
+COPY --from=stagex/make . /
+COPY --from=stagex/gcc . /
+COPY --from=stagex/m4 . /
+COPY --from=stagex/perl . /
+COPY --from=stagex/autoconf . /
+COPY --from=stagex/automake . /
+COPY --from=stagex/libtool . /
+COPY --from=stagex/openssl . /
+RUN tar -xf ${SRC_FILE}
+WORKDIR /xz-${VERSION}
+RUN --network=none <<-EOF
+    set -ex
+    NOCONFIGURE=1 ./autogen.sh
+    ./configure \
+        --build=${ARCH}-linux-musl \
+        --host=${ARCH}-linux-musl \
+        --prefix=/usr \
+        --libdir=/usr/lib \
+        --with-openssl \
+        --with-tss-user=root \
+        --with-tss-group=root
+    make -j "$(nproc)"
+EOF
+
+FROM build AS install
+RUN --network=none make DESTDIR="/rootfs" install
+
+FROM stagex/filesystem AS package
+COPY --from=install /rootfs/. /