Update python build for 20200912

Author: bryan-hunt

python/setup.py

@@ -139,8 +139,11 @@ def build_extension(self, ext):
 
         cmake_args = ['-DATCA_HAL_CUSTOM=ON', '-DATCA_TNGTLS_SUPPORT=ON',
                       '-DATCA_TNGLORA_SUPPORT=ON', '-DATCA_TFLEX_SUPPORT=ON',
-                      '-DATCA_TNG_LEGACY_SUPPORT=ON', '-DATCA_TA100_SUPPORT=ON',
-                      '-DATCA_OPENSSL=ON', '-DATCA_USE_ATCAB_FUNCTIONS=ON']
+                      '-DATCA_TNG_LEGACY_SUPPORT=ON', '-DATCA_USE_ATCAB_FUNCTIONS=ON']
+
+        if os.path.exists('../lib/talib' if not sdist_build else 'lib/talib'):
+            cmake_args += ['-DATCA_TA100_SUPPORT=ON', '-DATCA_OPENSSL=ON']
+
         if not nousb:
             cmake_args += ['-DATCA_HAL_KIT_HID=ON']