Add ifaddr recipe

pythonforandroid/recipes/ifaddr/__init__.py

@@ -0,0 +1,13 @@
+from pythonforandroid.recipe import PythonRecipe
+
+
+class IfaddrRecipe(PythonRecipe):
+    name = 'ifaddr'
+    version = '0.1.7'
+    url = 'https://pypi.python.org/packages/source/i/ifaddr/ifaddr-{version}.tar.gz'
+    depends = ['setuptools', 'ifaddrs', 'ipaddress;python_version<"3.3"']
+    call_hostpython_via_targetpython = False
+    patches = ["getifaddrs.patch"]
+
+
+recipe = IfaddrRecipe()

pythonforandroid/recipes/ifaddr/getifaddrs.patch

@@ -0,0 +1,15 @@
+diff --git a/ifaddr/_posix.py b/ifaddr/_posix.py
+index 2903ee7..546e3ce 100644
+--- a/ifaddr/_posix.py
++++ b/ifaddr/_posix.py
+@@ -39,6 +39,10 @@ ifaddrs._fields_ = [('ifa_next', ctypes.POINTER(ifaddrs)),
+
+ libc = ctypes.CDLL(ctypes.util.find_library("socket" if os.uname()[0] == "SunOS" else "c"), use_errno=True)
+
++# On old Androids getifaddrs is not available in libc => use libifaddrs instead
++if not hasattr(libc, 'getifaddrs'):
++    libc = ctypes.CDLL(ctypes.util.find_library('ifaddrs'), use_errno=True)
++
+ def get_adapters():
+
+     addr0 = addr = ctypes.POINTER(ifaddrs)()