Build riscv64+glibc wheel

Co-authored by: nijincheng@iscas.ac.cn;

Signed-off-by: ffgan <sudoemt@gmail.com>

Author: ffgan

.github/workflows/posix.yml

@@ -47,6 +47,9 @@ jobs:
           - { os: ubuntu-24.04-arm, PLAT: s390x, INTERFACE64: '0', MB_ML_VER: '2014', MB_ML_LIBC: manylinux}
           - { os: ubuntu-24.04-arm, PLAT: s390x, INTERFACE64: '1', MB_ML_VER: '2014', MB_ML_LIBC: manylinux}
 
+          - { os: ubuntu-24.04-arm, PLAT: riscv64, INTERFACE64: '0', MB_ML_VER: '_2_39', MB_ML_LIBC: manylinux}
+          - { os: ubuntu-24.04-arm, PLAT: riscv64, INTERFACE64: '1', MB_ML_VER: '_2_39', MB_ML_LIBC: manylinux}
+
     env:
       NIGHTLY: ${{ github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' }}
       MB_ML_LIBC: ${{ matrix.MB_ML_LIBC }}
@@ -73,7 +76,7 @@ jobs:
         xcode-version: '15.4'
 
     - name: Set up QEMU
-      if: matrix.PLAT == 'ppc64le' || matrix.PLAT == 's390x'
+      if: matrix.PLAT == 'ppc64le' || matrix.PLAT == 's390x' || matrix.PLAT == 'riscv64'
       uses: docker/setup-qemu-action@v3
       with:
         platforms: all
@@ -107,6 +110,7 @@ jobs:
         CIBW_MUSLLINUX_PPC64LE_IMAGE: ${{ matrix.MB_ML_LIBC }}${{matrix.MB_ML_VER}}
         CIBW_MANYLINUX_S390X_IMAGE: ${{ matrix.MB_ML_LIBC }}${{matrix.MB_ML_VER}}
         CIBW_MUSLLINUX_S390X_IMAGE: ${{ matrix.MB_ML_LIBC }}${{matrix.MB_ML_VER}}
+        CIBW_MANYLINUX_RISCV64_IMAGE: ${{ matrix.MB_ML_LIBC }}${{matrix.MB_ML_VER}}
 
     - name: Upload wheels to artifacts
       uses: actions/upload-artifact@v4.3.0

tools/build_steps.sh

@@ -68,7 +68,7 @@ function get_plat_tag {
     local mb_ml_ver=${MB_ML_VER:-1}
     local mb_ml_libc=${MB_ML_LIBC:-manylinux}
     case $plat in
-        i686|x86_64|arm64|universal2|intel|aarch64|s390x|ppc64le|loongarch64) ;;
+        i686|x86_64|arm64|universal2|intel|aarch64|s390x|ppc64le|loongarch64|riscv64) ;;
         *) echo Did not recognize plat $plat; return 1 ;;
     esac
     local uname=${2:-$(uname)}
@@ -153,6 +153,9 @@ function build_lib {
         Linux-loongarch64)
             local target="GENERIC"
             ;;
+        Linux-riscv64)
+            local target="GENERIC"
+            ;;
         *) echo "Strange plat value $plat"; exit 1 ;;
     esac
     case $interface64 in
@@ -185,7 +188,7 @@ function build_lib {
         echo "the utest samin/damin have been temporarily disabled."
         echo "QEMU does not support the 'lper' /'lpdr' instructions used"
     fi
-    if [ "$plat" == "loongarch64" ] || [ "$plat" == "ppc64le" ] || [ "$plat" == "s390x" ]; then
+    if [ "$plat" == "loongarch64" ] || [ "$plat" == "ppc64le" ] || [ "$plat" == "s390x" ] || [ "$plat" == "riscv64" ]; then
         sed -i 's/CTEST(fork, safety)/CTEST_SKIP(fork, safety)/g' ./utest/test_fork.c
         sed -i 's/CTEST(fork, safety_after_fork_in_parent)/CTEST_SKIP(fork, safety_after_fork_in_parent)/g' ./utest/test_post_fork.c
         echo "QEMU has a race condition preventing fork tests to work as expected"