fix s390x build error

Co-authored by: [email protected];

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

Author: ffgan

.github/workflows/ci.yml

@@ -277,6 +277,14 @@ jobs:
           toolchain: ${{ matrix.target == 'aarch64-apple-darwin' && 'beta' || 'stable' }}
           target: ${{ matrix.target }}
         if: ${{ !matrix.container }}
+      
+      - name: fix build openssl error on s390x
+        if: ${{  matrix.target  == 's390x-unknown-linux-musl' }}
+        run: |
+          # see https://github.com/openssl/openssl/issues/27323
+          echo CFLAGS="-march=z10 -mzarch" >> $GITHUB_ENV
+          echo CXXFLAGS="$CFLAGS" >> $GITHUB_ENV
+          echo RUSTFLAGS="-C target-cpu=z10" >> $GITHUB_ENV
 
       - name: Build
         run: cargo build --locked --release --bin ${{ matrix.binary || 'sccache' }} --target ${{ matrix.target }} --features=openssl/vendored ${{ matrix.extra_args }}