From 64c5f313ef9c38c1e7f13b3560c0d48f08eea3eb Mon Sep 17 00:00:00 2001
From: Jan Tattermusch <jtattermusch@google.com>
Date: Wed, 21 Nov 2018 09:47:25 +0100
Subject: avoid c-ares dependency on libnsl

---
 cmake/cares.cmake | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'cmake')

diff --git a/cmake/cares.cmake b/cmake/cares.cmake
index 3d4a0cae76..4ea0d8725d 100644
--- a/cmake/cares.cmake
+++ b/cmake/cares.cmake
@@ -18,6 +18,10 @@ if("${gRPC_CARES_PROVIDER}" STREQUAL "module")
   endif()
   set(CARES_SHARED OFF CACHE BOOL "disable shared library")
   set(CARES_STATIC ON CACHE BOOL "link cares statically")
+  if(gRPC_BACKWARDS_COMPATIBILITY_MODE)
+    # See https://github.com/grpc/grpc/issues/17255
+    set(HAVE_LIBNSL OFF CACHE BOOL "avoid cares dependency on libnsl")
+  endif()
   add_subdirectory(third_party/cares/cares)
 
   if(TARGET c-ares)
-- 
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