add dynamic_list to aarch64 builds, issue 170

Author: mattip

tools/build_steps.sh

@@ -143,6 +143,9 @@ function do_build_lib {
         Linux-aarch64)
             local bitness=64
             local target=ARMV8
+            # temporarily limit the kernels for travis until there is data
+            # see https://github.com/MacPython/openblas-libs/issues/170
+            local dynamic_list="ARMV8 CORTEXA57 THUNDERX"
             ;;
         Darwin-arm64)
             local bitness=64
@@ -177,11 +180,18 @@ function do_build_lib {
     git config --global --add safe.directory '*'
     pushd OpenBLAS
     patch_source
-    CFLAGS="$CFLAGS -fvisibility=protected -Wno-uninitialized" \
-    make BUFFERSIZE=20 DYNAMIC_ARCH=1 \
-        USE_OPENMP=0 NUM_THREADS=64 \
-        BINARY=$bitness $interface_flags TARGET=$target \
-        DYNAMIC_LIST="$dynamic_list" > /dev/null
+    if [ -v dynamic_list ]; then
+        CFLAGS="$CFLAGS -fvisibility=protected -Wno-uninitialized" \
+        make BUFFERSIZE=20 DYNAMIC_ARCH=1 \
+            USE_OPENMP=0 NUM_THREADS=64 \
+            BINARY=$bitness $interface_flags TARGET=$target \
+            DYNAMIC_LIST="$dynamic_list" > /dev/null
+    else
+        CFLAGS="$CFLAGS -fvisibility=protected -Wno-uninitialized" \
+        make BUFFERSIZE=20 DYNAMIC_ARCH=1 \
+            USE_OPENMP=0 NUM_THREADS=64 \
+            BINARY=$bitness $interface_flags TARGET=$target > /dev/null
+    fi
     make PREFIX=$BUILD_PREFIX $interface_flags install
     popd
     stop_spinner