[RISCV64][CI] Use simpler way to install riscv64 packages

.github/cross-linux-riscv64/Dockerfile

@@ -1,5 +1,5 @@
-FROM debian:bookworm AS openssl_riscv64
-#FROM ghcr.io/cross-rs/aarch64-unknown-linux-gnu:edge
+FROM debian:unstable AS openssl_riscv64
+#FROM ghcr.io/cross-rs/riscv64gc-unknown-linux-gnu:edge AS openssl_riscv64
 
 # set CROSS_DOCKER_IN_DOCKER to inform `cross` that it is executed from within a container
 ENV CROSS_DOCKER_IN_DOCKER=true
@@ -14,12 +14,15 @@ RUN apt-get update  && \
     build-essential \
     libc6-dev
 
-COPY install_deb.sh /
+#COPY install_deb.sh /
 
 #install libssl-dev for riscv64!
-RUN /install_deb.sh riscv64 libssl-dev
-ENV RISCV64GC_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR=/usr/include
-ENV RISCV64GC_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR=/usr/lib/riscv64-linux-gnu
+#RUN /install_deb.sh riscv64 libssl-dev
+#RUN dpkg --add-architecture riscv64
+#RUN apt-get update
+#RUN apt-get install libssl-dev:riscv64
+#ENV RISCV64GC_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR=/usr/include
+#ENV RISCV64GC_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR=/usr/lib/riscv64-linux-gnu
 
 
 # install rust tools
@@ -59,3 +62,9 @@ ENV CARGO_TARGET_RISCV64GC_UNKNOWN_LINUX_GNU_LINKER="$CROSS_TOOLCHAIN_PREFIX"gcc
     PKG_CONFIG_PATH="/usr/lib/riscv64-linux-gnu/pkgconfig/:${PKG_CONFIG_PATH}"
 
 RUN rustup target add riscv64gc-unknown-linux-gnu --toolchain 1.67-x86_64-unknown-linux-gnu
+
+#compile libssl-dev for riscv64!
+COPY build_openssl.sh /
+RUN /build_openssl.sh
+ENV RISCV64GC_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR=/openssl_riscv64/include
+ENV RISCV64GC_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR=/openssl_riscv64/lib

.github/cross-linux-riscv64/build_openssl.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -x
+set -euo pipefail
+
+apt-get install wget
+
+wget https://www.openssl.org/source/openssl-3.1.1.tar.gz
+
+tar xf openssl-3.1.1.tar.gz
+rm openssl-3.1.1.tar.gz
+cd openssl-3.1.1
+
+AR=riscv64-linux-gnu-ar NM=riscv64-linux-gnu-nm CC=riscv64-linux-gnu-gcc \
+   ./Configure -static no-asm no-tests --prefix=/openssl_riscv64 linux64-riscv64
+
+make -j
+make install

.github/cross-linux-riscv64/install_deb.sh

@@ -13,10 +13,11 @@ apt-get install --assume-yes --no-install-recommends \
   curl \
   cpio \
   sharutils \
+  debian-ports-archive-keyring \
   gnupg
 
-# Add port from sid to get some riscv packages
-debsource="deb http://deb.debian.org/debian-ports sid main"
+# Add port from bookworm to get some riscv packages
+debsource="deb http://deb.debian.org/debian-ports unstable main"
 
 # temporarily use debian sources rather than ubuntu.
 touch /etc/apt/sources.list
@@ -26,16 +27,16 @@ echo -e "${debsource}" > /etc/apt/sources.list
 dpkg --add-architecture "${arch}" || echo "foreign-architecture ${arch}" \
   > /etc/dpkg/dpkg.cfg.d/multiarch
 
-# Add Debian keys.
-curl --retry 3 -sSfL 'https://ftp-master.debian.org/keys/archive-key-{7.0,8,9,10}.asc' -O
-curl --retry 3 -sSfL 'https://ftp-master.debian.org/keys/archive-key-{8,9,10}-security.asc' -O
-curl --retry 3 -sSfL 'https://ftp-master.debian.org/keys/release-{7,8,9,10}.asc' -O
-curl --retry 3 -sSfL 'https://www.ports.debian.org/archive_{2020,2021,2022,2023}.key' -O
-
-for key in *.asc *.key; do
-  apt-key add "${key}"
-  rm "${key}"
-done
+## Add Debian keys.
+#curl --retry 3 -sSfL 'https://ftp-master.debian.org/keys/archive-key-{11,12}.asc' -O
+#curl --retry 3 -sSfL 'https://ftp-master.debian.org/keys/archive-key-{11,12}-security.asc' -O
+#curl --retry 3 -sSfL 'https://ftp-master.debian.org/keys/release-{11,12}.asc' -O
+#curl --retry 3 -sSfL 'https://www.ports.debian.org/archive_{2023}.key' -O
+#
+#for key in *.asc *.key; do
+#  apt-key add "${key}"
+#  rm "${key}"
+#done
 
 # allow apt-get to retry downloads
 echo 'APT::Acquire::Retries "3";' > /etc/apt/apt.conf.d/80-retries