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[clangd] Fix remote index build for macOS with Homebrew-installed gRPC and Protobuf 

Reviewers: sammccall

Reviewed By: sammccall

Subscribers: mgorny, ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, usaxena95, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D79387
This commit is contained in:
Kirill Bobyrev 2020-05-11 12:27:49 +02:00
parent 78d85c2091
commit 3bc9525731
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GPG Key ID: 2307C055C8384FA0
1 changed files with 32 additions and 0 deletions
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32
llvm/cmake/modules/FindGRPC.cmake
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@ -1,5 +1,7 @@
# This setup requires gRPC to be built from sources using CMake and installed to
# ${GRPC_INSTALL_PATH} via -DCMAKE_INSTALL_PREFIX=${GRPC_INSTALL_PATH}.
# FIXME(kirillbobyrev): Check if gRPC and Protobuf headers can be included at
# configure time.
if (GRPC_INSTALL_PATH)
set(protobuf_MODULE_COMPATIBLE TRUE)
find_package(Protobuf CONFIG REQUIRED HINTS ${GRPC_INSTALL_PATH})
@ -21,6 +23,36 @@ if (GRPC_INSTALL_PATH)
else()
find_program(GRPC_CPP_PLUGIN grpc_cpp_plugin)
find_program(PROTOC protoc)
if (GRPC_CPP_PLUGIN-NOTFOUND OR PROTOC-NOTFOUND)
message(FATAL_ERROR "gRPC C++ Plugin and Protoc must be on $PATH for Clangd remote index build")
endif()
# On macOS the libraries are typically installed via Homebrew and are not on
# the system path.
if (${APPLE})
find_program(HOMEBREW brew)
# If Homebrew is not found, the user might have installed libraries
# manually. Fall back to the system path.
if (NOT HOMEBREW-NOTFOUND)
execute_process(COMMAND ${HOMEBREW} --prefix grpc
OUTPUT_VARIABLE GRPC_HOMEBREW_PATH
RESULT_VARIABLE GRPC_HOMEBREW_RETURN_CODE
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${HOMEBREW} --prefix protobuf
OUTPUT_VARIABLE PROTOBUF_HOMEBREW_PATH
RESULT_VARIABLE PROTOBUF_HOMEBREW_RETURN_CODE
OUTPUT_STRIP_TRAILING_WHITESPACE)
# If either library is not installed via Homebrew, fall back to the
# system path.
if (GRPC_HOMEBREW_RETURN_CODE EQUAL "0")
include_directories(${GRPC_HOMEBREW_PATH}/include)
link_directories(${GRPC_HOMEBREW_PATH}/lib)
endif()
if (PROTOBUF_HOMEBREW_RETURN_CODE EQUAL "0")
include_directories(${PROTOBUF_HOMEBREW_PATH}/include)
link_directories(${PROTOBUF_HOMEBREW_PATH}/lib)
endif()
endif()
endif()
endif()
# Proto headers are generated in ${CMAKE_CURRENT_BINARY_DIR}.