setup: factorize default definitions

setup.py

@@ -35,23 +35,22 @@
 if sys.version_info[0:2] < (2, 6):
  raise RuntimeError("pyscard requires Python 2.6+ to build.")
 
+platform_include_dirs = []
+platform_sources = []
+platform_libraries = []
+platform_extra_compile_args = [] # ['-ggdb', '-O0']
+platform_extra_link_args = [] # ['-ggdb']
+
 if get_platform() in ('win32', 'win-amd64'):
  platform__cc_defines = [('WIN32', '100')]
  platform_swig_opts = ['-DWIN32']
  platform_sources = ['smartcard/scard/scard.rc']
  platform_libraries = ['winscard']
- platform_include_dirs = []
- platform_extra_compile_args = []
- platform_extra_link_args = []
 
 elif 'cygwin-' in get_platform():
  platform__cc_defines = [('WIN32', '100')]
  platform_swig_opts = ['-DWIN32']
- platform_sources = []
  platform_libraries = ['winscard']
- platform_include_dirs = []
- platform_extra_compile_args = []
- platform_extra_link_args = []
 
 elif 'macosx-10.' in get_platform():
  if 'macosx-10.6' in get_platform():
@@ -62,22 +61,13 @@
  ('__APPLE__', '1'),
  (macosx_define, '1')]
  platform_swig_opts = ['-DPCSCLITE', '-D__APPLE__', '-D' + macosx_define]
- platform_sources = []
- platform_libraries = []
- platform_include_dirs = []
- platform_extra_compile_args = []
- platform_extra_link_args = []
 
 # Other (GNU/Linux, etc.)
 #
 else:
  platform__cc_defines = [('PCSCLITE', '1')]
  platform_swig_opts = ['-DPCSCLITE']
- platform_sources = []
- platform_libraries = []
  platform_include_dirs = ['/usr/include/PCSC', '/usr/local/include/PCSC']
- platform_extra_compile_args = [] # ['-ggdb', '-O0']
- platform_extra_link_args = [] # ['-ggdb']
 
 
 VERSION_INFO = (1, 9, 9, 0)