enable aarch 64 builds (#20)

Signed-off-by: karthik2804 <[email protected]>

Author: karthik2804

.github/workflows/build.yml

@@ -23,10 +23,8 @@ jobs:
       fail-fast: false
       matrix:
         config:
-          - { target: "x86_64-unknown-linux-gnu", os: "ubuntu-latest", arch: "amd64", extension: "" }
-          # TODO: the cross-compile to Linux aarch64 fails with a pkg-config error that
-          # I don't yet know how to resolve
-          # - { target: "aarch64-unknown-linux-gnu", os: "ubuntu-latest", arch: "aarch64", extension: "" }
+          - { target: "x86_64-unknown-linux-gnu", os: "ubuntu-20.04", arch: "amd64", extension: ""}
+          - { target: "aarch64-unknown-linux-gnu", os: "ubuntu-20.04", arch: "aarch64", extension: "", extraArg: "--features openssl/vendored" }
           - { target: "x86_64-apple-darwin", os: "macos-latest", arch: "amd64", extension: "" }
           - { target: "aarch64-apple-darwin", os: "macos-latest", arch: "aarch64", extension: "" }
           - { target: "x86_64-pc-windows-msvc", os: "windows-latest", arch: "amd64", extension: ".exe" }
@@ -52,7 +50,7 @@ jobs:
           echo '[target.aarch64-unknown-linux-gnu]' >> ${HOME}/.cargo/config.toml
           echo 'linker = "aarch64-linux-gnu-gcc"' >> ${HOME}/.cargo/config.toml
       - name: Build plugin binary
-        run: cargo build --release --target ${{ matrix.config.target }}
+        run: cargo build --release --target ${{ matrix.config.target }} ${{ matrix.config.extraArg }}
       - name: Copy plugin binary to standard location
         shell: bash
         run: cp target/${{ matrix.config.target }}/release/${{ env.PROGRAM_NAME}}${{ matrix.config.extension }} target/release/${{ env.PROGRAM_NAME}}${{ matrix.config.extension }}