From 8ced27a3641d3818b6324254e197141c57a37cee Mon Sep 17 00:00:00 2001
From: Alex Merry <alex.merry@kde.org>
Date: Mon, 15 May 2017 21:56:44 +0100
Subject: [PATCH] Fix finding c-ares in package mode with CMake

The next release of c-ares will install a CMake package (when built
using CMake), but it will be called "c-ares", not "CARES".
---
 CMakeLists.txt                    | 8 ++++----
 templates/CMakeLists.txt.template | 8 ++++----
 tools/cmake/gRPCConfig.cmake.in   | 1 +
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 93f83939b9c..a65ce567a6c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -150,11 +150,11 @@ if("${gRPC_CARES_PROVIDER}" STREQUAL "module")
     message(WARNING "gRPC_CARES_PROVIDER is \"module\" but CARES_ROOT_DIR is wrong")
   endif()
 elseif("${gRPC_CARES_PROVIDER}" STREQUAL "package")
-  find_package(CARES)
-  if(TARGET CARES::CARES)
-    set(_gRPC_CARES_LIBRARIES CARES::CARES)
+  find_package(c-ares CONFIG)
+  if(TARGET c-ares::cares)
+    set(_gRPC_CARES_LIBRARIES c-ares::cares)
   endif()
-  set(_gRPC_FIND_CARES "if(NOT CARES_FOUND)\n  find_package(CARES)\nendif()")
+  set(_gRPC_FIND_CARES "if(NOT c-ares_FOUND)\n  find_package(c-ares CONFIG)\nendif()")
 endif()
 
 if("${gRPC_PROTOBUF_PROVIDER}" STREQUAL "module")
diff --git a/templates/CMakeLists.txt.template b/templates/CMakeLists.txt.template
index 2252a7ea80a..3e03afdf579 100644
--- a/templates/CMakeLists.txt.template
+++ b/templates/CMakeLists.txt.template
@@ -195,11 +195,11 @@
       message(WARNING "gRPC_CARES_PROVIDER is \"module\" but CARES_ROOT_DIR is wrong")
     endif()
   elseif("<%text>${gRPC_CARES_PROVIDER}</%text>" STREQUAL "package")
-    find_package(CARES)
-    if(TARGET CARES::CARES)
-      set(_gRPC_CARES_LIBRARIES CARES::CARES)
+    find_package(c-ares CONFIG)
+    if(TARGET c-ares::cares)
+      set(_gRPC_CARES_LIBRARIES c-ares::cares)
     endif()
-    set(_gRPC_FIND_CARES "if(NOT CARES_FOUND)\n  find_package(CARES)\nendif()")
+    set(_gRPC_FIND_CARES "if(NOT c-ares_FOUND)\n  find_package(c-ares CONFIG)\nendif()")
   endif()
 
   if("<%text>${gRPC_PROTOBUF_PROVIDER}</%text>" STREQUAL "module")
diff --git a/tools/cmake/gRPCConfig.cmake.in b/tools/cmake/gRPCConfig.cmake.in
index 48f06745798..1a0fa6a4624 100644
--- a/tools/cmake/gRPCConfig.cmake.in
+++ b/tools/cmake/gRPCConfig.cmake.in
@@ -2,6 +2,7 @@
 @_gRPC_FIND_ZLIB@
 @_gRPC_FIND_PROTOBUF@
 @_gRPC_FIND_SSL@
+@_gRPC_FIND_CARES@
 
 # Targets
 include(${CMAKE_CURRENT_LIST_DIR}/gRPCTargets.cmake)