Fix csharp on mac os

Makefile

@@ -676,7 +676,8 @@ ifeq ($(HAS_EMBEDDED_CARES),true)
 CARES_DEP = $(LIBDIR)/$(CONFIG)/c-ares/libcares.a
 CPPFLAGS := -Ithird_party/c-ares $(CPPFLAGS)
 LDFLAGS := -L$(LIBDIR)/$(CONFIG)/c-ares $(LDFLAGS)
-CARES_CFLAGS_EXTRA = -Wno-invalid-source-encoding
+CARES_CFLAGS_EXTRA += $(findstring -m32,$(CFLAGS))
+CARES_CFLAGS_EXTRA += -Wno-invalid-source-encoding
 else
 DEP_MISSING += c-ares
 endif

src/core/ext/resolver/dns/c_ares/dns_resolver.c

@@ -178,9 +178,9 @@ static void dns_on_resolved(grpc_exec_ctx *exec_ctx, void *arg,
       GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "construction");
     }
     if (r->pollent) {
-    grpc_polling_entity_del_from_pollset_set(exec_ctx, r->pollent,
-                                             r->base.pollset_set);
-                                             r->pollent = NULL;
+      grpc_polling_entity_del_from_pollset_set(exec_ctx, r->pollent,
+                                               r->base.pollset_set);
+      r->pollent = NULL;
     }
     grpc_resolved_addresses_destroy(addresses);
   } else {
@@ -304,7 +304,7 @@ static grpc_resolver *dns_create(grpc_resolver_args *args,
 
   error = grpc_ares_init();
   if (error != GRPC_ERROR_NONE) {
-    GRPC_LOG_IF_ERROR("fd_orphan", error);
+    GRPC_LOG_IF_ERROR("ares_library_init() failed", error);
     return NULL;
   }
 

templates/Makefile.template

@@ -564,7 +564,8 @@
   CARES_DEP = $(LIBDIR)/$(CONFIG)/c-ares/libcares.a
   CPPFLAGS := -Ithird_party/c-ares $(CPPFLAGS)
   LDFLAGS := -L$(LIBDIR)/$(CONFIG)/c-ares $(LDFLAGS)
-  CARES_CFLAGS_EXTRA = -Wno-invalid-source-encoding
+  CARES_CFLAGS_EXTRA += $(findstring -m32,$(CFLAGS))
+  CARES_CFLAGS_EXTRA += -Wno-invalid-source-encoding
   else
   DEP_MISSING += c-ares
   endif

templates/package.json.template

@@ -25,14 +25,15 @@
       "test": "./node_modules/.bin/mocha src/node/test && npm run-script lint",
       "gen_docs": "./node_modules/.bin/jsdoc -c src/node/jsdoc_conf.json",
       "coverage": "./node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha src/node/test",
-      "install": "./node_modules/.bin/node-pre-gyp install --fallback-to-build"
+      "install": "./node_modules/.bin/node-pre-gyp install --fallback-to-build --library='static_library'"
     },
     "bundledDependencies": ["node-pre-gyp"],
     "dependencies": {
       "arguejs": "^0.2.3",
       "lodash": "^3.9.3",
       "nan": "^2.0.0",
-      "protobufjs": "^4.0.0"
+      "protobufjs": "^4.0.0",
+      "cares": "^1.1.0"
     },
     "devDependencies": {
       "async": "^1.5.0",