1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
set(GRPC_DEPS_FOUND FALSE)
if (NOT DEFINED ENABLE_GRPC OR ENABLE_GRPC)
set(GRPC_DEPS_FOUND TRUE)
if (NOT ENABLE_CPP)
if (ENABLE_GRPC)
message(FATAL_ERROR "C++ support is mandatory when the GRPC modules are enabled.")
endif()
set(GRPC_DEPS_FOUND FALSE)
endif()
if (GRPC_DEPS_FOUND)
find_package(Protobuf 3.6.1 QUIET)
if (NOT Protobuf_FOUND)
if (ENABLE_GRPC)
message(FATAL_ERROR "ProtoBuf libraries not found.")
endif()
set(GRPC_DEPS_FOUND FALSE)
else()
message(STATUS "Found ProtoBuf: ${PROTOBUF_LIBRARIES}")
endif()
endif()
if (GRPC_DEPS_FOUND)
find_library(GRPC++_LIBRARIES NAMES grpc++)
if (NOT GRPC++_LIBRARIES)
if (ENABLE_GRPC)
message(FATAL_ERROR "gRPC++ libraries not found.")
endif()
set(GRPC_DEPS_FOUND FALSE)
else()
message(STATUS "Found gRPC++: ${GRPC++_LIBRARIES}")
endif()
endif()
if (GRPC_DEPS_FOUND)
# Workaround of https://github.com/protocolbuffers/protobuf/issues/18307
# The latest (BSD variants) protobuf builds are forcibly bound to libupd, so
# find_package(gRPC...) will fail with
# Targets not yet defined: protobuf::libupb, protobuf::protoc-gen-upb,
# protobuf::protoc-gen-upbdefs, protobuf::protoc-gen-upb_minitable
# Try to satisfy it temporally.
#
find_library (UPB_LIBRARIES NAMES upb)
if (UPB_LIBRARIES)
add_library(protobuf::libupb STATIC IMPORTED)
add_executable(protobuf::protoc-gen-upb IMPORTED)
add_executable(protobuf::protoc-gen-upbdefs IMPORTED)
add_executable(protobuf::protoc-gen-upb_minitable IMPORTED)
endif()
find_package(gRPC 1.16.1 QUIET)
if (NOT gRPC_FOUND)
if (ENABLE_GRPC)
message(FATAL_ERROR "gRPC libraries not found.")
endif()
set(GRPC_DEPS_FOUND FALSE)
else()
message(STATUS "Found gRPC: ${GRPC_LIBRARIES}")
endif()
endif()
endif()
module_switch(ENABLE_GRPC "Enable GRPC" GRPC_DEPS_FOUND)
if (ENABLE_GRPC)
set (CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard" FORCE)
set (CMAKE_CXX_STANDARD_REQUIRED ON CACHE BOOL "C++ standard is a requirement" FORCE)
include(ProtobufGenerateCpp)
set(MODULE_GRPC_LIBS
gRPC::grpc
gRPC::grpc++
protobuf::libprotobuf)
add_subdirectory(credentials)
add_subdirectory(metrics)
add_subdirectory(protos)
endif()
# These are intentionally not inside the above if (ENABLE_GRPC) block
# Let any other possible module_switch-es take effect and is being always visible
# (all modules are protected via ENABLE_GRPC as well)
add_subdirectory(loki)
add_subdirectory(otel)
add_subdirectory(bigquery)
|
