Embed sources in setup.py for ease of python-only builds.

python/pyproject.toml

@@ -0,0 +1,2 @@
+[build-system]
+requires = ["setuptools", "wheel", "Cython"]

python/setup.py

@@ -1,17 +1,62 @@
 from setuptools import setup, Extension
 from Cython.Build import cythonize
 
+import os, platform
+
+machine = platform.machine()
+
+sources = '''
+aes_hash.cpp
+argon2_ref.c
+argon2_ssse3.c
+argon2_avx2.c
+bytecode_machine.cpp
+cpu.cpp
+dataset.cpp
+soft_aes.cpp
+virtual_memory.c
+vm_interpreted.cpp
+allocator.cpp
+assembly_generator_x86.cpp
+instruction.cpp
+randomx.cpp
+superscalar.cpp
+vm_compiled.cpp
+vm_interpreted_light.cpp
+argon2_core.c
+blake2_generator.cpp
+instructions_portable.cpp
+reciprocal.c
+virtual_machine.cpp
+vm_compiled_light.cpp
+blake2/blake2b.c
+'''.strip().split('\n')
+compile_flags = ['-march=native','-std=c++11','-fpic']
+
+if machine in ['i386', 'i686', 'x86_64']:
+    sources.extend(['jit_compiler_x86.cpp', 'jit_compiler_x86_static.S'])
+elif machine in ['aarch64_be', 'aarch64', 'armv8b', 'armv8l']:
+    sources.extend(['jit_compiler_a64_static.s', 'jit_compiler_a64.cpp'])
+    compile_flags.append('-DHAVE_HWCAP')
+
+sources = [os.path.join('..','src',source) for source in sources]
+
 setup(
     name='RandomX',
     version='3.5',
     ext_modules=cythonize(
         Extension(
-            "randomx", ["randomx.pyx"],
-            libraries=["randomx"],
-            language="c++",
+            'randomx', [
+                'randomx.pyx',
+                *[source for source in sources if source.endswith('.cpp') or source.endswith('.c')]
+            ],
+            extra_objects=[source for source in sources if source.endswith('.S')],
+            extra_compile_args=compile_flags,
+            #libraries=['randomx'],
+            language='c++',
         ),
         compiler_directives=dict(
-            language_level="3",
+            language_level='3',
             embedsignature=True
         )
     )