allow docker to use qemu

Author: mattip

.github/workflows/posix.yml

@@ -95,6 +95,12 @@ jobs:
       if: ${{ matrix.os == 'macos-13' }}
       with:
         xcode-version: '14.3'
+    - name: Allow docker with qemu
+      run: |
+        sudo apt-get update -q -y
+        sudo apt-get -qq install -y qemu qemu-user-static
+        sudo docker run --rm --privileged multiarch/qemu-user-static --reset -p yes --credential yes
+      if: ${{ matrix.PLAT }} == "aarch64"
 
     - name: Print some Environment variable
       run: |

tools/build_steps.sh

@@ -173,7 +173,7 @@ function do_build_lib {
     pushd OpenBLAS
     patch_source
     echo start building
-    if [[ -v dynamic_list ]]; then
+    if [ -v dynamic_list ]; then
         CFLAGS="$CFLAGS -fvisibility=protected -Wno-uninitialized" \
         make BUFFERSIZE=20 DYNAMIC_ARCH=1 \
             USE_OPENMP=0 NUM_THREADS=64 \