From cda87fa3afdacf20a097cf6ed90c5c2ef64e0437 Mon Sep 17 00:00:00 2001
From: Gil <mcg@google.com>
Date: Mon, 16 Jul 2018 08:50:53 -0700
Subject: Convert grpc and protobuf CMake builds to add_subdirectory (#1537)

* Build zlib with grpc's add_subdirectory

* Build grpc and its children with add_subdirectory.

* Build c-ares with grpc's add_subdirectory

* Convert protobuf to a download-only ExternalProject

* Temporarily break protobuf within grpc

This works because libgrpc has no actual dependency on protobuf

* Update boringssl to master@{2018-07-10}
---
 cmake/FindGRPC.cmake | 130 ---------------------------------------------------
 1 file changed, 130 deletions(-)
 delete mode 100644 cmake/FindGRPC.cmake

(limited to 'cmake/FindGRPC.cmake')

diff --git a/cmake/FindGRPC.cmake b/cmake/FindGRPC.cmake
deleted file mode 100644
index 1e5fcf2..0000000
--- a/cmake/FindGRPC.cmake
+++ /dev/null
@@ -1,130 +0,0 @@
-# Copyright 2018 Google
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-include(FindPackageHandleStandardArgs)
-include(FindZLIB)
-
-## ZLIB
-
-# the grpc ExternalProject already figures out if zlib should be built or
-# referenced from its installed location. If it elected to allow grpc to build
-# zlib then it will be available at this location.
-find_library(
-  ZLIB_LIBRARY
-  NAMES z
-  HINTS ${FIREBASE_BINARY_DIR}/src/grpc-build/third_party/zlib
-)
-
-# If found above, the standard package will honor the ZLIB_LIBRARY variable.
-find_package(ZLIB REQUIRED)
-
-
-## BoringSSL/OpenSSL
-
-find_path(
-  OPENSSL_INCLUDE_DIR openssl/ssl.h
-  HINTS ${FIREBASE_BINARY_DIR}/src/grpc/third_party/boringssl/include
-)
-
-find_library(
-  OPENSSL_SSL_LIBRARY
-  NAMES ssl
-  HINTS ${FIREBASE_BINARY_DIR}/src/grpc-build/third_party/boringssl/ssl
-)
-
-find_library(
-  OPENSSL_CRYPTO_LIBRARY
-  NAMES crypto
-  HINTS ${FIREBASE_BINARY_DIR}/src/grpc-build/third_party/boringssl/crypto
-)
-
-find_package(OpenSSL REQUIRED)
-
-
-## C-Ares
-
-if(NOT c-ares_DIR)
-  set(c-ares_DIR ${FIREBASE_INSTALL_DIR}/lib/cmake/c-ares)
-endif()
-find_package(c-ares CONFIG REQUIRED)
-
-
-## GRPC
-
-find_path(
-  GRPC_INCLUDE_DIR grpc/grpc.h
-  HINTS
-    $ENV{GRPC_ROOT}/include
-    ${GRPC_ROOT}/include
-    ${FIREBASE_BINARY_DIR}/src/grpc/include
-)
-
-find_library(
-  GPR_LIBRARY
-  NAMES gpr
-  HINTS
-    $ENV{GRPC_ROOT}/lib
-    ${GRPC_ROOT}/lib
-    ${FIREBASE_BINARY_DIR}/src/grpc-build
-)
-
-find_library(
-  GRPC_LIBRARY
-  NAMES grpc
-  HINTS
-    $ENV{GRPC_ROOT}/lib
-    ${GRPC_ROOT}/lib
-    ${FIREBASE_BINARY_DIR}/src/grpc-build
-)
-
-find_package_handle_standard_args(
-  gRPC
-  DEFAULT_MSG
-  GRPC_INCLUDE_DIR
-  GRPC_LIBRARY
-  GPR_LIBRARY
-)
-
-if(GRPC_FOUND)
-  set(GRPC_INCLUDE_DIRS ${GRPC_INCLUDE_DIR})
-  set(GRPC_LIBRARIES ${GRPC_LIBRARY})
-
-  if (NOT TARGET grpc::gpr)
-    add_library(grpc::gpr UNKNOWN IMPORTED)
-    set_target_properties(
-      grpc::gpr PROPERTIES
-      INTERFACE_INCLUDE_DIRECTORIES ${GRPC_INCLUDE_DIR}
-      IMPORTED_LOCATION ${GPR_LIBRARY}
-    )
-  endif()
-
-  if (NOT TARGET grpc::grpc)
-    set(
-      GRPC_LINK_LIBRARIES
-      c-ares::cares
-      grpc::gpr
-      OpenSSL::SSL
-      OpenSSL::Crypto
-      ZLIB::ZLIB
-    )
-
-    add_library(grpc::grpc UNKNOWN IMPORTED)
-    set_target_properties(
-      grpc::grpc PROPERTIES
-      INTERFACE_INCLUDE_DIRECTORIES ${GRPC_INCLUDE_DIR}
-      INTERFACE_LINK_LIBRARIES "${GRPC_LINK_LIBRARIES}"
-      IMPORTED_LOCATION ${GRPC_LIBRARY}
-    )
-  endif()
-endif(GRPC_FOUND)
-- 
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