feat: add loongarch64 platform support

Signed-off-by: 吴小白 <296015668@qq.com>

Author: wojiushixiaobai

tools/build_steps.sh

@@ -33,7 +33,7 @@ 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) ;;
+        i686|x86_64|arm64|universal2|intel|aarch64|s390x|ppc64le|loongarch64) ;;
         *) echo Did not recognize plat $plat; return 1 ;;
     esac
     local uname=${2:-$(uname)}
@@ -77,6 +77,9 @@ function build_lib {
     # Manylinux wrapper
     local libc=${MB_ML_LIBC:-manylinux}
     local docker_image=quay.io/pypa/${libc}${manylinux}_${plat}
+    if [ "$plat" == "loongarch64" ]; then 
+        local docker_image=ghcr.io/loong64/${libc}${manylinux}_${plat}
+    fi
     docker pull $docker_image
     # Docker sources this script, and runs `do_build_lib`
     docker run --rm \
@@ -148,6 +151,9 @@ function do_build_lib {
             local bitness=64
             local target="POWER8"
             ;;
+        Linux-loongarch64)
+            local target="GENERIC"
+            ;;
         *) echo "Strange plat value $plat"; exit 1 ;;
     esac
     case $interface64 in
@@ -170,6 +176,12 @@ function do_build_lib {
     pushd OpenBLAS
     patch_source
     echo start building
+    if [ "$plat" == "loongarch64" ]; then
+        # https://github.com/OpenMathLib/OpenBLAS/blob/develop/.github/workflows/loongarch64.yml#L65
+        echo -n > utest/test_dsdot.c
+        echo "Due to the qemu versions 7.2 causing utest cases to fail,"
+        echo "the utest dsdot:dsdot_n_1 have been temporarily disabled."
+    fi
     if [ -v dynamic_list ]; then
         CFLAGS="$CFLAGS -fvisibility=protected -Wno-uninitialized" \
         make BUFFERSIZE=20 DYNAMIC_ARCH=1 QUIET_MAKE=1 \