ARM64 binary support added for Linux and Windows

.gitignore

@@ -6,3 +6,5 @@ build/
 *.egg-info/
 .cache/
 .vscode/
+.DS_Store
+.venv/

build_wheels.py

@@ -2,8 +2,8 @@
 import shutil
 
 architectures = dict(darwin=['x86_64', 'arm64'],
-                     win32=['32bit', '64bit'],
-                     linux=['x86_64'],
+                     win32=['x86', 'x64', 'arm64'],
+                     linux=['x86_64', 'arm64'],
                      noplatform='noarch')
 
 def cleanup():

setup.py

@@ -79,7 +79,12 @@ def get_tag(self):
                     oses = 'win_amd64'
             elif platform == 'linux':
                 # using the centos:7 runner with glibc2.17:
-                oses = 'manylinux_2_17_{}'.format(architecture0)
+                if architecture0 == 'arm64':
+                    pep600_architecture = 'aarch64'
+                else:
+                    pep600_architecture = architecture0
+
+                oses = 'manylinux_2_17_{}'.format(pep600_architecture)
             else:
                 pythons = 'py2.py3'
                 oses = 'any'

soundfile.py

@@ -157,10 +157,22 @@
         _packaged_libname = 'libsndfile_' + _machine() + '.dylib'
     elif _sys.platform == 'win32':
         from platform import architecture as _architecture
-        _packaged_libname = 'libsndfile_' + _architecture()[0] + '.dll'
+        from platform import machine as _machine
+        if _machine() == 'ARM64':
+            _packaged_libname = 'libsndfile_arm64.dll'    
+        elif _architecture()[0] == '64bit':
+            _packaged_libname = 'libsndfile_x64.dll'
+        elif _architecture()[0] == '32bit':
+            _packaged_libname = 'libsndfile_x86.dll'
+        else:
+            raise OSError('no packaged library for Windows {} {}'
+                          .format(_architecture(), _machine()))
     elif _sys.platform == 'linux':
         from platform import machine as _machine
-        _packaged_libname = 'libsndfile_' + _machine() + '.so'
+        if _machine() in ["aarch64", "aarch64_be", "armv8b", "armv8l"]:
+            _packaged_libname = 'libsndfile_arm64.so'
+        else:
+            _packaged_libname = 'libsndfile_' + _machine() + '.so'
     else:
         raise OSError('no packaged library for this platform')