fixes for action

Cross.toml

@@ -1,14 +1,34 @@
 # These make sure our builds are compatible with old glibc versions.
 [target.x86_64-unknown-linux-gnu]
 pre-build = [
-    "dpkg --add-architecture $CROSS_DEB_ARCH",
+    "yum install -y openssl-devel unzip",
-    "apt-get update && apt-get install --assume-yes libssl-dev:$CROSS_DEB_ARCH protobuf-compiler",
+    # protobuf is too old, so we directly download binaries
+    "PB_REL=https://github.com/protocolbuffers/protobuf/releases",
+    "PB_VERSION=23.1",
+    "curl -LO $PB_REL/download/v$PB_VERSION/protoc-$PB_VERSION-linux-x86_64.zip",
+    "unzip protoc-$PB_VERSION-linux-x86_64.zip -d /usr/local",
 ]
 image = "ghcr.io/cross-rs/x86_64-unknown-linux-gnu:main-centos"
 
 [target.aarch64-unknown-linux-gnu]
 pre-build = [
-    "dpkg --add-architecture $CROSS_DEB_ARCH",
+    "yum install -y openssl-devel unzip",
-    "apt-get update && apt-get install --assume-yes libssl-dev:$CROSS_DEB_ARCH protobuf-compiler",
+    # protobuf is too old, so we directly download binaries
+    "PB_REL=https://github.com/protocolbuffers/protobuf/releases",
+    "PB_VERSION=23.1",
+    "curl -LO $PB_REL/download/v$PB_VERSION/protoc-$PB_VERSION-linux-x86_64.zip",
+    "unzip protoc-$PB_VERSION-linux-x86_64.zip -d /usr/local",
 ]
 image = "ghcr.io/cross-rs/aarch64-unknown-linux-gnu:main-centos"
+
+[target.x86_64-unknown-linux-musl]
+pre-build = [
+    "dpkg --add-architecture $CROSS_DEB_ARCH",
+    "apt-get update && apt-get install --assume-yes libssl-dev:$CROSS_DEB_ARCH",
+]
+
+[target.aarch64-unknown-linux-musl]
+pre-build = [
+    "dpkg --add-architecture $CROSS_DEB_ARCH",
+    "apt-get update && apt-get install --assume-yes libssl-dev:$CROSS_DEB_ARCH",
+]

ci/build_linux_artifacts.sh

@@ -21,6 +21,10 @@ build_node_binaries() {
         echo "Building node library for $target"
         # cross doesn't yet pass this down to Docker, so we do it ourselves.
         export CROSS_CONTAINER_OPTS="--platform linux/amd64"
+        if [[ $target == *musl ]]; then
+            # This is needed for cargo to allow build cdylibs with musl
+            RUSTFLAGS="-C target-feature=-crt-static"
+        fi
         npm run cross-release -- --target $target
         npm run pack-build -- --target $target
     done