Merge pull request #7771 from y-zeng/cares_buildin

Async DNS resolver with pre-configured c-ares

1 files changed, 12 insertions, 2 deletions

diff --git a/setup.py b/setup.py
index 7656657c22..e050646475 100644
--- a/setup.py
+++ b/setup.py
@@ -52,6 +52,13 @@ PYTHON_STEM = os.path.join('src', 'python', 'grpcio')
 CORE_INCLUDE = ('include', '.',)
 BORINGSSL_INCLUDE = (os.path.join('third_party', 'boringssl', 'include'),)
 ZLIB_INCLUDE = (os.path.join('third_party', 'zlib'),)
+CARES_INCLUDE = (
+    os.path.join('third_party', 'cares'),
+    os.path.join('third_party', 'cares', 'cares'),)
+if 'linux' in sys.platform:
+  CARES_INCLUDE += (os.path.join('third_party', 'cares', 'config_linux'),)
+if 'darwin' in sys.platform:
+  CARES_INCLUDE += (os.path.join('third_party', 'cares', 'config_darwin'),)
 README = os.path.join(PYTHON_STEM, 'README.rst')
 
 # Ensure we're in the proper directory whether or not we're being used by pip.
@@ -136,7 +143,8 @@ CYTHON_HELPER_C_FILES = ()
 CORE_C_FILES = tuple(grpc_core_dependencies.CORE_SOURCE_FILES)
 
 EXTENSION_INCLUDE_DIRECTORIES = (
-    (PYTHON_STEM,) + CORE_INCLUDE + BORINGSSL_INCLUDE + ZLIB_INCLUDE)
+    (PYTHON_STEM,) + CORE_INCLUDE + BORINGSSL_INCLUDE + ZLIB_INCLUDE +
+    CARES_INCLUDE)
 
 EXTENSION_LIBRARIES = ()
 if "linux" in sys.platform:
@@ -150,13 +158,15 @@ DEFINE_MACROS = (
     ('OPENSSL_NO_ASM', 1), ('_WIN32_WINNT', 0x600),
     ('GPR_BACKWARDS_COMPATIBILITY_MODE', 1),)
 if "win32" in sys.platform:
-  DEFINE_MACROS += (('WIN32_LEAN_AND_MEAN', 1),)
+  DEFINE_MACROS += (('WIN32_LEAN_AND_MEAN', 1), ('CARES_STATICLIB', 1),)
   if '64bit' in platform.architecture()[0]:
     DEFINE_MACROS += (('MS_WIN64', 1),)
   elif sys.version_info >= (3, 5):
     # For some reason, this is needed to get access to inet_pton/inet_ntop
     # on msvc, but only for 32 bits
     DEFINE_MACROS += (('NTDDI_VERSION', 0x06000000),)
+else:
+  DEFINE_MACROS += (('HAVE_CONFIG_H', 1),)
 
 LDFLAGS = tuple(EXTRA_LINK_ARGS)
 CFLAGS = tuple(EXTRA_COMPILE_ARGS)