Cmake example

project(grpc-cmake-example)
cmake_minimum_required(VERSION 3.2)

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

add_compile_options(-std=c++11)

# GRPC and Protocol Buffers libraries location
list(APPEND CMAKE_PREFIX_PATH "/usr/local/include")

# Cmake find modules
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")

find_package(Protobuf REQUIRED)
find_package(GRPC REQUIRED)

set(PROTOS
    ${CMAKE_CURRENT_SOURCE_DIR}/protos/photo_album.proto
)

set(PROTO_SRC_DIR ${CMAKE_CURRENT_BINARY_DIR}/proto-src)
file(MAKE_DIRECTORY ${PROTO_SRC_DIR})
include_directories(
    ${PROTO_SRC_DIR}
    ${CMAKE_CURRENT_BINARY_DIR}
    ${CMAKE_SOURCE_DIR}/src/models
    ${CMAKE_SOURCE_DIR}/src/server
)

protobuf_generate_cpp(PROTO_SRCS PROTO_HDRS ${PROTO_SRC_DIR} ${PROTOS})
grpc_generate_cpp(GRPC_SRCS GRPC_HDRS ${PROTO_SRC_DIR} ${PROTOS})

# Building server
add_executable(server
    ${CMAKE_CURRENT_SOURCE_DIR}/src/main.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/src/server/server.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/src/server/server.h
    ${CMAKE_CURRENT_SOURCE_DIR}/src/models/models.cc
    ${CMAKE_CURRENT_SOURCE_DIR}/src/models/models.h
    ${PROTO_SRCS}
    ${GRPC_SRCS}
)
target_link_libraries(server
    gRPC::grpc++_reflection
    protobuf::libprotobuf
)