Refactor PR CI

.github/workflows/android.yml

@@ -0,0 +1,30 @@
+# We could use `@actions-rs/cargo` Action ability to automatically install `cross` tool
+# in order to compile our application for some unusual targets.
+
+# Separated as another pipeline to avoid errors cancelling other targets until the cross issue is solved
+# Ref: https://github.com/bltavares/multicast-socket/issues/18
+
+on: [push, pull_request]
+
+name: Cross-compile android
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        target:
+          - aarch64-linux-android
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.67
+          target: ${{ matrix.target }}
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          use-cross: true
+          command: build
+          args: --target=${{ matrix.target }} --examples

.github/workflows/cross_compile.yml

@@ -13,8 +13,6 @@ jobs:
       matrix:
         target:
           - armv7-unknown-linux-gnueabihf
-          - aarch64-linux-android
-          - mips-unknown-linux-musl
           - x86_64-unknown-linux-musl
           - aarch64-unknown-linux-gnu
     steps:

.github/workflows/mips.yml

@@ -0,0 +1,28 @@
+# Since Rust 1.72+ MIPS is a Tier 3 platform, and there are many errors on the latest nightly to use -Z build-std.
+# So we pin it to 1.71 to produce valid targets
+# Ref: https://github.com/rust-lang/compiler-team/issues/648
+
+on: [push, pull_request]
+
+name: Cross-compile MIPS
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        target:
+          - mips-unknown-linux-musl
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.71
+          target: ${{ matrix.target }}
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          use-cross: true
+          command: build
+          args: --target=${{ matrix.target }} --examples