fixes for action

.github/workflows/release.yml

@@ -127,9 +127,10 @@ jobs:
       matrix:
         target:
           - x86_64-unknown-linux-gnu
-          - aarch64-unknown-linux-gnu
+          # TODO: get release working for these targets
-          - aarch64-unknown-linux-musl
+          # - aarch64-unknown-linux-gnu
-          - x86_64-unknown-linux-musl
+          # - aarch64-unknown-linux-musl
+          # - x86_64-unknown-linux-musl
     steps:
     - name: Checkout
       uses: actions/checkout@v2

Cross.toml

@@ -1,26 +1,40 @@
 # These make sure our builds are compatible with old glibc versions.
 [target.x86_64-unknown-linux-gnu]
 pre-build = [
-    "dpkg --add-architecture $CROSS_DEB_ARCH",
+    # Install newer gfortran
-    "apt-get update && apt-get install --assume-yes libssl-dev:$CROSS_DEB_ARCH protobuf-compiler:$CROSS_DEB_ARCH",
+    "yum install -y centos-release-scl",
+    "yum install -y openssl-devel unzip devtoolset-11-gcc-gfortran",
+    "scl enable devtoolset-11 bash",
+    # 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:$CROSS_DEB_ARCH",
+    # 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",
 ]
+# https://github.com/cross-rs/cross/blob/main/docker/Dockerfile.aarch64-unknown-linux-gnu.centos
 image = "ghcr.io/cross-rs/aarch64-unknown-linux-gnu:main-centos"
 
 [target.x86_64-unknown-linux-musl]
+# https://github.com/cross-rs/cross/blob/main/docker/Dockerfile.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 protobuf-compiler:$CROSS_DEB_ARCH",
+    "apt-get update && apt-get install --assume-yes libssl-dev:$CROSS_DEB_ARCH",
 ]
 
 [target.aarch64-unknown-linux-musl]
+# https://github.com/cross-rs/cross/blob/main/docker/Dockerfile.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 protobuf-compiler:$CROSS_DEB_ARCH",
+    "apt-get update && apt-get install --assume-yes libssl-dev:$CROSS_DEB_ARCH",
 ]