[gRPC] Update to 1.27.1 (#9963)

* gRPC 1.27.0

* trigger build

* update to v1.27.1

* update control file

9 files changed, 192 insertions, 187 deletions

diff --git a/ports/grpc/00001-fix-uwp.patch b/ports/grpc/00001-fix-uwp.patch
index 08308f4ac..79025276b 100644
--- a/ports/grpc/00001-fix-uwp.patch
+++ b/ports/grpc/00001-fix-uwp.patch
@@ -1,8 +1,8 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 3d4418a..a2f23d5 100644
+index 3f9d19e..25d96ab 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -104,6 +104,9 @@ if(UNIX)
+@@ -144,6 +144,9 @@ if(UNIX)
  endif()
  if(WIN32)
    set(_gRPC_PLATFORM_WINDOWS ON)
@@ -12,7 +12,7 @@ index 3d4418a..a2f23d5 100644
  endif()
  
  set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
-@@ -119,6 +122,9 @@ if(MSVC)
+@@ -160,6 +163,9 @@ if(MSVC)
    set(_gRPC_C_CXX_FLAGS "${_gRPC_C_CXX_FLAGS} /wd4267")
    # TODO(jtattermusch): needed to build boringssl with VS2017, revisit later
    set(_gRPC_C_CXX_FLAGS "${_gRPC_C_CXX_FLAGS} /wd4987 /wd4774 /wd4819 /wd4996 /wd4619")
@@ -22,7 +22,7 @@ index 3d4418a..a2f23d5 100644
  endif()
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_gRPC_C_CXX_FLAGS}")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_gRPC_C_CXX_FLAGS}")
-@@ -186,6 +192,10 @@ file(MAKE_DIRECTORY ${_gRPC_PROTO_GENS_DIR})
+@@ -228,6 +234,10 @@ file(MAKE_DIRECTORY ${_gRPC_PROTO_GENS_DIR})
  #     ``.proto`` files
  #
  function(protobuf_generate_grpc_cpp)
@@ -33,7 +33,7 @@ index 3d4418a..a2f23d5 100644
    if(NOT ARGN)
      message(SEND_ERROR "Error: PROTOBUF_GENERATE_GRPC_CPP() called without any proto files")
      return()
-@@ -258,6 +268,7 @@ if (gRPC_BUILD_GRPC_RUBY_PLUGIN)
+@@ -300,6 +310,7 @@ if (gRPC_BUILD_GRPC_RUBY_PLUGIN)
    list(APPEND _gRPC_PLUGIN_LIST grpc_ruby_plugin)
  endif ()
  
@@ -41,7 +41,7 @@ index 3d4418a..a2f23d5 100644
  add_custom_target(plugins
    DEPENDS ${_gRPC_PLUGIN_LIST}
  )
-@@ -279,6 +290,7 @@ add_custom_target(tools_cxx
+@@ -321,6 +332,7 @@ add_custom_target(tools_cxx
  
  add_custom_target(tools
    DEPENDS tools_c tools_cxx)
diff --git a/ports/grpc/00002-static-linking-in-linux.patch b/ports/grpc/00002-static-linking-in-linux.patch
index 7946f21a3..d496e54c4 100644
--- a/ports/grpc/00002-static-linking-in-linux.patch
+++ b/ports/grpc/00002-static-linking-in-linux.patch
@@ -1,16 +1,16 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt

-index a2f23d5..e433e8d 100644

---- a/CMakeLists.txt

-+++ b/CMakeLists.txt

-@@ -111,6 +111,11 @@ endif()

- 

- set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)

- 

-+if (gRPC_STATIC_LINKING AND NOT _gRPC_PLATFORM_WINDOWS)

-+  # Force to static link

-+  set(CMAKE_EXE_LINKER_FLAGS "-Bstatic")

-+endif()

-+

- if(MSVC)

-   include(cmake/msvc_static_runtime.cmake)

-   add_definitions(-D_WIN32_WINNT=0x600 -D_SCL_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_WARNINGS -D_WINSOCK_DEPRECATED_NO_WARNINGS)

+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 25d96ab..c4057b3 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -152,6 +152,11 @@ endif()
+ set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
+ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
+ 
++if (gRPC_STATIC_LINKING AND NOT _gRPC_PLATFORM_WINDOWS)
++  # Force to static link
++  set(CMAKE_EXE_LINKER_FLAGS "-Bstatic")
++endif()
++
+ if(MSVC)
+   include(cmake/msvc_static_runtime.cmake)
+   add_definitions(-D_WIN32_WINNT=0x600 -D_SCL_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_WARNINGS -D_WINSOCK_DEPRECATED_NO_WARNINGS)
diff --git a/ports/grpc/00003-undef-base64-macro.patch b/ports/grpc/00003-undef-base64-macro.patch
index b7e74014b..b4beb932f 100644
--- a/ports/grpc/00003-undef-base64-macro.patch
+++ b/ports/grpc/00003-undef-base64-macro.patch
@@ -1,13 +1,13 @@
-diff --git a/src/core/lib/transport/transport.cc b/src/core/lib/transport/transport.cc

-index 6adcd8d..20745df 100644

---- a/src/core/lib/transport/transport.cc

-+++ b/src/core/lib/transport/transport.cc

-@@ -97,6 +97,8 @@ void grpc_stream_ref_init(grpc_stream_refcount* refcount, int /*initial_refs*/,

-       refcount, &refcount->slice_refcount);

- }

- 

-+#undef move64

-+

- static void move64(uint64_t* from, uint64_t* to) {

-   *to += *from;

-   *from = 0;

+diff --git a/src/core/lib/transport/transport.cc b/src/core/lib/transport/transport.cc
+index 6adcd8d..20745df 100644
+--- a/src/core/lib/transport/transport.cc
++++ b/src/core/lib/transport/transport.cc
+@@ -97,6 +97,8 @@ void grpc_stream_ref_init(grpc_stream_refcount* refcount, int /*initial_refs*/,
+       refcount, &refcount->slice_refcount);
+ }
+ 
++#undef move64
++
+ static void move64(uint64_t* from, uint64_t* to) {
+   *to += *from;
+   *from = 0;
diff --git a/ports/grpc/00004-link-gdi32-on-windows.patch b/ports/grpc/00004-link-gdi32-on-windows.patch
index c644e9b6d..2a6fcea31 100644
--- a/ports/grpc/00004-link-gdi32-on-windows.patch
+++ b/ports/grpc/00004-link-gdi32-on-windows.patch
@@ -1,13 +1,13 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index f6c4a340fc..22054eedd0 100644
+index c4057b3..a6a0f23 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -164,7 +164,7 @@ elseif(UNIX)
+@@ -220,7 +220,7 @@ elseif(UNIX)
  endif()
  
  if(WIN32 AND MSVC)
--  set(_gRPC_BASELIB_LIBRARIES wsock32 ws2_32)
-+  set(_gRPC_BASELIB_LIBRARIES wsock32 ws2_32 gdi32)
+-  set(_gRPC_BASELIB_LIBRARIES wsock32 ws2_32 crypt32)
++  set(_gRPC_BASELIB_LIBRARIES wsock32 ws2_32 crypt32 gdi32)
  endif()
  
  # Create directory for generated .proto files
diff --git a/ports/grpc/00005-fix-uwp-error.patch b/ports/grpc/00005-fix-uwp-error.patch
index 8fe3e3d9b..37748b09f 100644
--- a/ports/grpc/00005-fix-uwp-error.patch
+++ b/ports/grpc/00005-fix-uwp-error.patch
@@ -1,12 +1,12 @@
-diff --git a/src/core/lib/slice/slice.cc b/src/core/lib/slice/slice.cc

-index c0e2164..331e54c 100644

---- a/src/core/lib/slice/slice.cc

-+++ b/src/core/lib/slice/slice.cc

-@@ -214,6 +214,7 @@ grpc_slice grpc_slice_from_moved_buffer(grpc_core::UniquePtr<char> p,

-                                         size_t len) {

-   uint8_t* ptr = reinterpret_cast<uint8_t*>(p.get());

-   grpc_slice slice;

-+  memset(&slice, 0, sizeof(grpc_slice));

-   if (len <= sizeof(slice.data.inlined.bytes)) {

-     slice.refcount = nullptr;

-     slice.data.inlined.length = len;

+diff --git a/src/core/lib/slice/slice.cc b/src/core/lib/slice/slice.cc
+index c0e2164..331e54c 100644
+--- a/src/core/lib/slice/slice.cc
++++ b/src/core/lib/slice/slice.cc
+@@ -214,6 +214,7 @@ grpc_slice grpc_slice_from_moved_buffer(grpc_core::UniquePtr<char> p,
+                                         size_t len) {
+   uint8_t* ptr = reinterpret_cast<uint8_t*>(p.get());
+   grpc_slice slice;
++  memset(&slice, 0, sizeof(grpc_slice));
+   if (len <= sizeof(slice.data.inlined.bytes)) {
+     slice.refcount = nullptr;
+     slice.data.inlined.length = len;
diff --git a/ports/grpc/00006-crypt32.patch b/ports/grpc/00006-crypt32.patch
deleted file mode 100644
index 44bcaaf99..000000000
--- a/ports/grpc/00006-crypt32.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt

-index 22054eedd0..a7fdb1fcd5 100644

---- a/CMakeLists.txt

-+++ b/CMakeLists.txt

-@@ -164,7 +164,7 @@ elseif(UNIX)

- endif()

- 

- if(WIN32 AND MSVC)

--  set(_gRPC_BASELIB_LIBRARIES wsock32 ws2_32 gdi32)

-+  set(_gRPC_BASELIB_LIBRARIES wsock32 ws2_32 gdi32 crypt32)

- endif()

- 

- # Create directory for generated .proto files

diff --git a/ports/grpc/00009-use-system-upb.patch b/ports/grpc/00009-use-system-upb.patch
index 515238b9a..41a2d9ab6 100644
--- a/ports/grpc/00009-use-system-upb.patch
+++ b/ports/grpc/00009-use-system-upb.patch
@@ -1,118 +1,136 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt

-index b535f10..0fcb682 100644

---- a/CMakeLists.txt

-+++ b/CMakeLists.txt

-@@ -1530,7 +1530,7 @@ target_link_libraries(grpc

-   ${_gRPC_UPB_LIBRARIES}

-   ${_gRPC_ALLTARGETS_LIBRARIES}

-   gpr

--  upb

-+  ${_gRPC_UPB_LIBRARIES}

- )

- if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)

-   target_link_libraries(grpc "-framework CoreFoundation")

-@@ -1941,7 +1941,7 @@ target_link_libraries(grpc_cronet

-   ${_gRPC_UPB_LIBRARIES}

-   ${_gRPC_ALLTARGETS_LIBRARIES}

-   gpr

--  upb

-+  ${_gRPC_UPB_LIBRARIES}

- )

- if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)

-   target_link_libraries(grpc_cronet "-framework CoreFoundation")

-@@ -2283,7 +2283,7 @@ target_link_libraries(grpc_test_util

-   ${_gRPC_ALLTARGETS_LIBRARIES}

-   gpr

-   grpc

--  upb

-+  ${_gRPC_UPB_LIBRARIES}

- )

- if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)

-   target_link_libraries(grpc_test_util "-framework CoreFoundation")

-@@ -2626,7 +2626,7 @@ target_link_libraries(grpc_test_util_unsecure

-   ${_gRPC_ALLTARGETS_LIBRARIES}

-   gpr

-   grpc_unsecure

--  upb

-+  ${_gRPC_UPB_LIBRARIES}

- )

- if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)

-   target_link_libraries(grpc_test_util_unsecure "-framework CoreFoundation")

-@@ -3017,7 +3017,7 @@ target_link_libraries(grpc_unsecure

-   ${_gRPC_UPB_LIBRARIES}

-   ${_gRPC_ALLTARGETS_LIBRARIES}

-   gpr

--  upb

-+  ${_gRPC_UPB_LIBRARIES}

- )

- if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)

-   target_link_libraries(grpc_unsecure "-framework CoreFoundation")

-@@ -3553,7 +3553,7 @@ target_link_libraries(grpc++

-   ${_gRPC_ALLTARGETS_LIBRARIES}

-   grpc

-   gpr

--  upb

-+  ${_gRPC_UPB_LIBRARIES}

- )

- 

- foreach(_hdr

-@@ -4817,7 +4817,7 @@ target_link_libraries(grpc++_unsecure

-   ${_gRPC_ALLTARGETS_LIBRARIES}

-   gpr

-   grpc_unsecure

--  upb

-+  ${_gRPC_UPB_LIBRARIES}

- )

- 

- foreach(_hdr

-@@ -5848,7 +5848,7 @@ if(gRPC_INSTALL)

- endif()

- 

- endif()

--

-+if(0)

- add_library(upb

-   third_party/upb/upb/decode.c

-   third_party/upb/upb/encode.c

-@@ -5888,10 +5888,10 @@ target_include_directories(upb

- target_link_libraries(upb

-   ${_gRPC_ALLTARGETS_LIBRARIES}

- )

-+endif()

- 

- 

--

--if(gRPC_INSTALL)

-+if(gRPC_INSTALL AND 0)

-   install(TARGETS upb EXPORT gRPCTargets

-     RUNTIME DESTINATION ${gRPC_INSTALL_BINDIR}

-     LIBRARY DESTINATION ${gRPC_INSTALL_LIBDIR}

-diff --git a/cmake/gRPCConfig.cmake.in b/cmake/gRPCConfig.cmake.in

-index 504d5a7..e2a3122 100644

---- a/cmake/gRPCConfig.cmake.in

-+++ b/cmake/gRPCConfig.cmake.in

-@@ -3,6 +3,7 @@

- @_gRPC_FIND_PROTOBUF@

- @_gRPC_FIND_SSL@

- @_gRPC_FIND_CARES@

-+find_package(upb CONFIG)

- 

- # Targets

- include(${CMAKE_CURRENT_LIST_DIR}/gRPCTargets.cmake)

-diff --git a/cmake/upb.cmake b/cmake/upb.cmake

-index 2c0ab84..746e067 100644

---- a/cmake/upb.cmake

-+++ b/cmake/upb.cmake

-@@ -12,9 +12,9 @@

- # See the License for the specific language governing permissions and

- # limitations under the License.

- 

--set(UPB_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/upb)

-+find_package(upb REQUIRED)

-+set(_gRPC_UPB_INCLUDE_DIR)

- 

--set(_gRPC_UPB_INCLUDE_DIR "${UPB_ROOT_DIR}")

- set(_gRPC_UPB_GRPC_GENERATED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/src/core/ext/upb-generated")

- 

--set(_gRPC_UPB_LIBRARIES upb)

-+set(_gRPC_UPB_LIBRARIES upb::upb)

+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index a6a0f23..1c170da 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1281,7 +1281,7 @@ target_link_libraries(alts_test_util
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+   grpc
+   gpr
+-  upb
++  ${_gRPC_UPB_LIBRARIES}
+ )
+ 
+ foreach(_hdr
+@@ -1917,7 +1917,7 @@ target_link_libraries(grpc
+   ${_gRPC_UPB_LIBRARIES}
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+   gpr
+-  upb
++  ${_gRPC_UPB_LIBRARIES}
+ )
+ if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
+   target_link_libraries(grpc "-framework CoreFoundation")
+@@ -2328,7 +2328,7 @@ target_link_libraries(grpc_cronet
+   ${_gRPC_UPB_LIBRARIES}
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+   gpr
+-  upb
++  ${_gRPC_UPB_LIBRARIES}
+ )
+ if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
+   target_link_libraries(grpc_cronet "-framework CoreFoundation")
+@@ -2670,7 +2670,7 @@ target_link_libraries(grpc_test_util
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+   gpr
+   grpc
+-  upb
++  ${_gRPC_UPB_LIBRARIES}
+ )
+ if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
+   target_link_libraries(grpc_test_util "-framework CoreFoundation")
+@@ -3013,7 +3013,7 @@ target_link_libraries(grpc_test_util_unsecure
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+   gpr
+   grpc_unsecure
+-  upb
++  ${_gRPC_UPB_LIBRARIES}
+ )
+ if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
+   target_link_libraries(grpc_test_util_unsecure "-framework CoreFoundation")
+@@ -3404,7 +3404,7 @@ target_link_libraries(grpc_unsecure
+   ${_gRPC_UPB_LIBRARIES}
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+   gpr
+-  upb
++  ${_gRPC_UPB_LIBRARIES}
+ )
+ if(_gRPC_PLATFORM_IOS OR _gRPC_PLATFORM_MAC)
+   target_link_libraries(grpc_unsecure "-framework CoreFoundation")
+@@ -3743,7 +3743,7 @@ target_link_libraries(grpc++
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+   grpc
+   gpr
+-  upb
++  ${_gRPC_UPB_LIBRARIES}
+ )
+ 
+ foreach(_hdr
+@@ -4070,7 +4070,7 @@ target_link_libraries(grpc++_alts
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+   grpc++
+   gpr
+-  upb
++  ${_gRPC_UPB_LIBRARIES}
+ )
+ 
+ foreach(_hdr
+@@ -4876,7 +4876,7 @@ target_link_libraries(grpc++_unsecure
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+   gpr
+   grpc_unsecure
+-  upb
++  ${_gRPC_UPB_LIBRARIES}
+ )
+ 
+ foreach(_hdr
+@@ -5898,7 +5898,7 @@ target_link_libraries(grpc_csharp_ext
+ 
+ 
+ endif()
+-
++if(0)
+ add_library(upb
+   third_party/upb/upb/decode.c
+   third_party/upb/upb/encode.c
+@@ -5938,10 +5938,10 @@ target_include_directories(upb
+ target_link_libraries(upb
+   ${_gRPC_ALLTARGETS_LIBRARIES}
+ )
++endif()
+ 
+ 
+-
+-if(gRPC_INSTALL)
++if(gRPC_INSTALL AND 0)
+   install(TARGETS upb EXPORT gRPCTargets
+     RUNTIME DESTINATION ${gRPC_INSTALL_BINDIR}
+     LIBRARY DESTINATION ${gRPC_INSTALL_LIBDIR}
+diff --git a/cmake/gRPCConfig.cmake.in b/cmake/gRPCConfig.cmake.in
+index 5bfa73c..8a867df 100644
+--- a/cmake/gRPCConfig.cmake.in
++++ b/cmake/gRPCConfig.cmake.in
+@@ -7,6 +7,7 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/modules)
+ @_gRPC_FIND_SSL@
+ @_gRPC_FIND_CARES@
+ @_gRPC_FIND_ABSL@
++find_package(upb CONFIG)
+ 
+ # Targets
+ include(${CMAKE_CURRENT_LIST_DIR}/gRPCTargets.cmake)
+diff --git a/cmake/upb.cmake b/cmake/upb.cmake
+index 2c0ab84..746e067 100644
+--- a/cmake/upb.cmake
++++ b/cmake/upb.cmake
+@@ -12,9 +12,9 @@
+ # See the License for the specific language governing permissions and
+ # limitations under the License.
+ 
+-set(UPB_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/upb)
++find_package(upb REQUIRED)
++set(_gRPC_UPB_INCLUDE_DIR)
+ 
+-set(_gRPC_UPB_INCLUDE_DIR "${UPB_ROOT_DIR}")
+ set(_gRPC_UPB_GRPC_GENERATED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/src/core/ext/upb-generated")
+ 
+-set(_gRPC_UPB_LIBRARIES upb)
++set(_gRPC_UPB_LIBRARIES upb::upb)
diff --git a/ports/grpc/CONTROL b/ports/grpc/CONTROL
index 790e19e8d..96ead2c98 100644
--- a/ports/grpc/CONTROL
+++ b/ports/grpc/CONTROL
@@ -1,5 +1,5 @@
 Source: grpc
-Version: 1.26.0-1
-Build-Depends: zlib, openssl, protobuf, c-ares (!uwp), upb
+Version: 1.27.1-1
+Build-Depends: zlib, openssl, protobuf, c-ares (!uwp), upb, abseil
 Homepage: https://github.com/grpc/grpc
 Description: An RPC library and framework
diff --git a/ports/grpc/portfile.cmake b/ports/grpc/portfile.cmake
index e156ea4d5..6c2199a53 100644
--- a/ports/grpc/portfile.cmake
+++ b/ports/grpc/portfile.cmake
@@ -5,8 +5,8 @@ endif()
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO grpc/grpc
-    REF v1.26.0
-    SHA512 4f7d067c582d0a9be7b7d4dd1e08acdbe6ff0686dfe92b5db5b7927f779410a4237acfd1c61d9f79eb2d00f86cf93cc7492fa372c1877e57c1aa23e9bb2648bb
+    REF v1.27.1
+    SHA512 00a5e1e0f94e441b3406f821943d1775a7ab0580fd22d604ba29f56dc424ccc8f27c476077e39f24ddd7f1bada4eba9a38456fb4ac546e27ae239f43e431d988
     HEAD_REF master
     PATCHES
         00001-fix-uwp.patch
@@ -14,7 +14,6 @@ vcpkg_from_github(
         00003-undef-base64-macro.patch
         00004-link-gdi32-on-windows.patch
         00005-fix-uwp-error.patch
-        00006-crypt32.patch
         00009-use-system-upb.patch
 )
 
@@ -44,6 +43,7 @@ vcpkg_configure_cmake(
         -DgRPC_ZLIB_PROVIDER=package
         -DgRPC_SSL_PROVIDER=package
         -DgRPC_PROTOBUF_PROVIDER=package
+        -DgRPC_ABSL_PROVIDER=package
         -DgRPC_PROTOBUF_PACKAGE_TYPE=CONFIG
         -DgRPC_CARES_PROVIDER=${cares_CARES_PROVIDER}
         -DgRPC_GFLAGS_PROVIDER=none