feat: cross-compile to RISC-V (#16426)

Co-authored-by: Alexey Shekhirin <5773434+shekhirin@users.noreply.github.com>

.github/workflows/release.yml

@@ -63,24 +63,35 @@ jobs:
     name: build release
     runs-on: ${{ matrix.configs.os }}
     needs: extract-version
+    continue-on-error: ${{ matrix.configs.allow_fail }}
     strategy:
+      fail-fast: true
       matrix:
         configs:
           - target: x86_64-unknown-linux-gnu
             os: ubuntu-24.04
             profile: maxperf
+            allow_fail: false
           - target: aarch64-unknown-linux-gnu
             os: ubuntu-24.04
             profile: maxperf
+            allow_fail: false
           - target: x86_64-apple-darwin
             os: macos-13
             profile: maxperf
+            allow_fail: false
           - target: aarch64-apple-darwin
             os: macos-14
             profile: maxperf
+            allow_fail: false
           - target: x86_64-pc-windows-gnu
             os: ubuntu-24.04
             profile: maxperf
+            allow_fail: false
+          - target: riscv64gc-unknown-linux-gnu
+            os: ubuntu-24.04
+            profile: maxperf
+            allow_fail: true
         build:
           - command: build
             binary: reth

Cross.toml

@@ -24,5 +24,15 @@ pre-build = [
 # Inspired by https://github.com/cross-rs/cross/blob/9e2298e17170655342d3248a9c8ac37ef92ba38f/docker/Dockerfile.x86_64-pc-windows-gnu#L51
 dockerfile = "./Dockerfile.x86_64-pc-windows-gnu"
 
+[target.riscv64gc-unknown-linux-gnu]
+image = "ubuntu:24.04"
+pre-build = [
+    "apt update",
+    "apt install --yes gcc gcc-riscv64-linux-gnu libclang-dev make",
+]
+env.passthrough = [
+    "CARGO_TARGET_RISCV64GC_UNKNOWN_LINUX_GNU_LINKER=riscv64-linux-gnu-gcc",
+]
+
 [build.env]
 passthrough = ["JEMALLOC_SYS_WITH_LG_PAGE"]