Allow compilation on Linux AArch64

Author: agriyakhetarpal

setup.py

@@ -302,13 +302,24 @@ class BuildFailed(Exception):
     pass
 
 
+def get_arch_specific_objects():
+    machine = cpuinfo.platform.machine()
+    if machine == 'x86_64':
+        return [S[:-1] + 'o' for S in glob("c-blosc/internal-complibs/zstd*/decompress/*amd64.S")]
+    elif machine == 'aarch64':
+        return [S[:-1] + 'o' for S in glob("c-blosc/internal-complibs/zstd*/decompress/*aarch64.S")]
+    return []
+
+
 class ve_build_ext(build_ext):
     # This class allows C extension building to fail.
 
     def run(self):
         try:
-            if cpuinfo.platform.machine() == 'x86_64':
-                S_files = glob('c-blosc/internal-complibs/zstd*/decompress/*amd64.S')
+            machine = cpuinfo.platform.machine()
+            if machine in ('x86_64', 'aarch64'):
+                pattern = '*amd64.S' if machine == 'x86_64' else '*aarch64.S'
+                S_files = glob(f'c-blosc/internal-complibs/zstd*/decompress/{pattern}')
                 compiler = ccompiler.new_compiler()
                 customize_compiler(compiler)
                 compiler.src_extensions.append('.S')