1cmake_minimum_required(VERSION 3.4.1)
2
3set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
4
5set(PROTOBUF_PROTOC_EXECUTABLE "/usr/local/bin/protoc" CACHE STRING "Protoc binary on host")
6set(gRPC_CPP_PLUGIN_EXECUTABLE "/usr/local/bin/grpc_cpp_plugin" CACHE STRING "gRPC CPP plugin binary on host")
7
8set(GRPC_SRC_DIR ../../../../../)
9
10set(GRPC_BUILD_DIR ../grpc/outputs/${ANDROID_ABI})
11file(MAKE_DIRECTORY ${GRPC_BUILD_DIR})
12
13add_subdirectory(${GRPC_SRC_DIR} ${GRPC_BUILD_DIR})
14
15#include_directories(${GRPC_SRC_DIR}/include)
16include_directories(${GRPC_SRC_DIR})
17
18set(GRPC_PROTO_GENS_DIR ${CMAKE_BINARY_DIR}/gens)
19file(MAKE_DIRECTORY ${GRPC_PROTO_GENS_DIR})
20include_directories(${GRPC_PROTO_GENS_DIR})
21
22function(android_protobuf_grpc_generate_cpp SRC_FILES HDR_FILES INCLUDE_ROOT)
23  if(NOT ARGN)
24    message(SEND_ERROR "Error: android_protobuf_grpc_generate_cpp() called without any proto files")
25    return()
26  endif()
27
28  set(${SRC_FILES})
29  set(${HDR_FILES})
30  set(PROTOBUF_INCLUDE_PATH -I ${INCLUDE_ROOT})
31  foreach(FIL ${ARGN})
32    get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
33    get_filename_component(FIL_WE ${FIL} NAME_WE)
34    file(RELATIVE_PATH REL_FIL ${CMAKE_CURRENT_SOURCE_DIR}/${INCLUDE_ROOT} ${ABS_FIL})
35    get_filename_component(REL_DIR ${REL_FIL} DIRECTORY)
36    set(RELFIL_WE "${REL_DIR}/${FIL_WE}")
37
38    list(APPEND ${SRC_FILES} "${GRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.cc")
39    list(APPEND ${HDR_FILES} "${GRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.h")
40    list(APPEND ${SRC_FILES} "${GRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.cc")
41    list(APPEND ${HDR_FILES} "${GRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.h")
42
43    add_custom_command(
44      OUTPUT "${GRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.cc"
45             "${GRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.h"
46             "${GRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.cc"
47             "${GRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.h"
48      COMMAND ${PROTOBUF_PROTOC_EXECUTABLE}
49      ARGS --grpc_out=${GRPC_PROTO_GENS_DIR}
50        --cpp_out=${GRPC_PROTO_GENS_DIR}
51        --plugin=protoc-gen-grpc=${gRPC_CPP_PLUGIN_EXECUTABLE}
52        ${PROTOBUF_INCLUDE_PATH}
53        ${REL_FIL}
54      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
55      DEPENDS ${PROTOBUF_PROTOC_EXECUTABLE} ${gRPC_CPP_PLUGIN_EXECUTABLE} ${ABS_FIL} )
56  endforeach()
57
58  set_source_files_properties(${${SRC_FILES}} ${${HDR_FILES}} PROPERTIES GENERATED TRUE)
59  set(${SRC_FILES} ${${SRC_FILES}} PARENT_SCOPE)
60  set(${HDR_FILES} ${${HDR_FILES}} PARENT_SCOPE)
61endfunction()
62
63set(PROTO_BASE_DIR ${GRPC_SRC_DIR}/examples/protos)
64
65android_protobuf_grpc_generate_cpp(
66  MESSAGES_PROTO_SRCS MESSAGES_PROTO_HDRS
67  ${GRPC_SRC_DIR} ${GRPC_SRC_DIR}/src/proto/grpc/testing/messages.proto)
68
69add_library(messages_proto_lib
70  SHARED ${MESSAGES_PROTO_SRCS} ${MESSAGES_PROTO_HDRS})
71
72target_link_libraries(messages_proto_lib
73  libprotobuf
74  grpc++
75  android
76  log)
77
78android_protobuf_grpc_generate_cpp(
79  EMPTY_PROTO_SRCS EMPTY_PROTO_HDRS
80  ${GRPC_SRC_DIR} ${GRPC_SRC_DIR}/src/proto/grpc/testing/empty.proto)
81
82add_library(empty_proto_lib
83  SHARED ${EMPTY_PROTO_SRCS} ${EMPTY_PROTO_HDRS})
84
85target_link_libraries(empty_proto_lib
86  libprotobuf
87  grpc++
88  android
89  log)
90
91android_protobuf_grpc_generate_cpp(
92  TEST_PROTO_SRCS TEST_PROTO_HDRS ${GRPC_SRC_DIR} ${GRPC_SRC_DIR}/src/proto/grpc/testing/test.proto)
93
94add_library(test_proto_lib
95  SHARED ${TEST_PROTO_SRCS} ${TEST_PROTO_HDRS})
96
97target_link_libraries(test_proto_lib
98  libprotobuf
99  grpc++
100  empty_proto_lib
101  messages_proto_lib
102  android
103  log)
104
105find_library(log-lib
106 log)
107
108add_library(grpc-interop
109  SHARED
110  src/main/cpp/grpc-interop.cc
111  ${GRPC_SRC_DIR}/test/cpp/interop/interop_client.h
112  ${GRPC_SRC_DIR}/test/cpp/interop/interop_client.cc)
113
114target_link_libraries(grpc-interop
115  messages_proto_lib
116  empty_proto_lib
117  test_proto_lib
118  android
119  ${log-lib})
120