Ticket #30347 - add cmake build for c++

.bumpversion.cfg

@@ -5,3 +5,7 @@ tag = True
 tag_name = {new_version}
 
 [bumpversion:file:setup.cfg]
+
+[bumpversion:file:cmake/common.cmake]
+search = API_MESSENGER_VERSION "{current_version}"
+replace = API_MESSENGER_VERSION "{new_version}"

cmake/FindGrpcCpp.cmake

+#
+# Locate and configure the gRPC library
+#
+# Adds the following targets:
+#
+#  gRPC::grpc - gRPC library
+#  gRPC::grpc++ - gRPC C++ library
+#  gRPC::grpc++_reflection - gRPC C++ reflection library
+#  gRPC::grpc_cpp_plugin - C++ generator plugin for Protocol Buffers
+#  gRPC::grpc_python_plugin - Python generator plugin for Protocol Buffers
+#
+
+#
+# Generates C++ sources from the .proto files
+#
+# grpc_generate_cpp (<SRCS> <HDRS> <DEST> [<ARGN>...])
+#
+#  SRCS - variable to define with autogenerated source files
+#  HDRS - variable to define with autogenerated header files
+#  DEST - directory where the source files will be created
+#  ARGN - .proto files
+#
+function(GRPC_GENERATE_CPP SRCS HDRS DEST)
+  if(NOT ARGN)
+    message(SEND_ERROR "Error: GRPC_GENERATE_CPP() called without any proto files")
+    return()
+  endif()
+
+  get_filename_component(PROTOBUF_IMPORT_DIRS ${PROTOBUF_IMPORT_DIRS} ABSOLUTE)
+  list(APPEND _grpc_include_path -I ${PROTOBUF_IMPORT_DIRS})
+
+  set(${SRCS})
+  set(${HDRS})
+  foreach(FIL ${ARGN})
+    get_filename_component(FIL ${FIL} ABSOLUTE)
+    string(REPLACE "${PROTOBUF_IMPORT_DIRS}/" "" REL_DIR ${FIL})
+    get_filename_component(REL_DIR ${REL_DIR} DIRECTORY)
+    if(REL_DIR)
+      string(APPEND REL_DIR "/")
+    endif()
+    get_filename_component(FIL_WE ${FIL} NAME_WE)
+    set(_dst_src "${DEST}/${REL_DIR}${FIL_WE}.grpc.pb.cc")
+    set(_dst_hdr "${DEST}/${REL_DIR}${FIL_WE}.grpc.pb.h")
+
+    list(APPEND ${SRCS} "${_dst_src}")
+    list(APPEND ${HDRS} "${_dst_hdr}")
+
+    add_custom_command(
+      OUTPUT "${_dst_src}"
+             "${_dst_hdr}"
+      COMMAND protobuf::protoc
+      ARGS --grpc_out ${DEST} ${_grpc_include_path} --plugin=protoc-gen-grpc=${GRPC_CPP_PLUGIN} ${FIL}
+      DEPENDS ${FIL} protobuf::protoc gRPC::grpc_cpp_plugin
+      COMMENT "Running C++ gRPC compiler on ${FIL}"
+      VERBATIM )
+  endforeach()
+
+  set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES GENERATED TRUE)
+  set(${SRCS} ${${SRCS}} PARENT_SCOPE)
+  set(${HDRS} ${${HDRS}} PARENT_SCOPE)
+endfunction()
+
+# Find gRPC include directory
+find_path(GRPC_INCLUDE_DIR grpc/grpc.h)
+mark_as_advanced(GRPC_INCLUDE_DIR)
+
+# Find gRPC library
+find_library(GRPC_LIBRARY NAMES grpc)
+mark_as_advanced(GRPC_LIBRARY)
+add_library(gRPC::grpc UNKNOWN IMPORTED)
+set_target_properties(gRPC::grpc PROPERTIES
+    INTERFACE_INCLUDE_DIRECTORIES ${GRPC_INCLUDE_DIR}
+    INTERFACE_LINK_LIBRARIES "-lpthread;-ldl"
+    IMPORTED_LOCATION ${GRPC_LIBRARY}
+)
+
+# Find gRPC C++ library
+find_library(GRPC_GRPC++_LIBRARY NAMES grpc++)
+mark_as_advanced(GRPC_GRPC++_LIBRARY)
+add_library(gRPC::grpc++ UNKNOWN IMPORTED)
+set_target_properties(gRPC::grpc++ PROPERTIES
+    INTERFACE_INCLUDE_DIRECTORIES ${GRPC_INCLUDE_DIR}
+    INTERFACE_LINK_LIBRARIES gRPC::grpc
+    IMPORTED_LOCATION ${GRPC_GRPC++_LIBRARY}
+)
+
+# Find gRPC C++ reflection library
+find_library(GRPC_GRPC++_REFLECTION_LIBRARY NAMES grpc++_reflection)
+mark_as_advanced(GRPC_GRPC++_REFLECTION_LIBRARY)
+add_library(gRPC::grpc++_reflection UNKNOWN IMPORTED)
+set_target_properties(gRPC::grpc++_reflection PROPERTIES
+    INTERFACE_INCLUDE_DIRECTORIES ${GRPC_INCLUDE_DIR}
+    INTERFACE_LINK_LIBRARIES gRPC::grpc++
+    IMPORTED_LOCATION ${GRPC_GRPC++_REFLECTION_LIBRARY}
+)
+
+# Find gRPC CPP generator
+find_program(GRPC_CPP_PLUGIN NAMES grpc_cpp_plugin)
+mark_as_advanced(GRPC_CPP_PLUGIN)
+add_executable(gRPC::grpc_cpp_plugin IMPORTED)
+set_target_properties(gRPC::grpc_cpp_plugin PROPERTIES
+    IMPORTED_LOCATION ${GRPC_CPP_PLUGIN}
+)
+
+include(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(GrpcCpp DEFAULT_MSG
+    GRPC_LIBRARY GRPC_INCLUDE_DIR GRPC_GRPC++_REFLECTION_LIBRARY GRPC_CPP_PLUGIN)

cmake/FindProtobufCpp.cmake

+#
+# Locate and configure the Google Protocol Buffers library
+#
+# Adds the following targets:
+#
+#  protobuf::libprotobuf - Protobuf library
+#  protobuf::libprotobuf-lite - Protobuf lite library
+#  protobuf::libprotoc - Protobuf Protoc Library
+#  protobuf::protoc - protoc executable
+#
+
+#
+# Generates C++ sources from the .proto files
+#
+# protobuf_generate_cpp (<SRCS> <HDRS> <DEST> [<ARGN>...])
+#
+#  SRCS - variable to define with autogenerated source files
+#  HDRS - variable to define with autogenerated header files
+#  DEST - directory where the source files will be created
+#  ARGN - .proto files
+#
+function(PROTOBUF_GENERATE_CPP SRCS HDRS DEST)
+  if(NOT ARGN)
+    message(SEND_ERROR "Error: PROTOBUF_GENERATE_CPP() called without any proto files")
+    return()
+  endif()
+
+  get_filename_component(PROTOBUF_IMPORT_DIRS ${PROTOBUF_IMPORT_DIRS} ABSOLUTE)
+  list(APPEND _protobuf_include_path -I ${PROTOBUF_IMPORT_DIRS})
+
+  set(${SRCS})
+  set(${HDRS})
+  foreach(FIL ${ARGN})
+    get_filename_component(FIL ${FIL} ABSOLUTE)
+    string(REPLACE "${PROTOBUF_IMPORT_DIRS}/" "" REL_DIR ${FIL})
+    get_filename_component(REL_DIR ${REL_DIR} DIRECTORY)
+    if(REL_DIR)
+      string(APPEND REL_DIR "/")
+    endif()
+    get_filename_component(FIL_WE ${FIL} NAME_WE)
+    set(_dst_src "${DEST}/${REL_DIR}${FIL_WE}.pb.cc")
+    set(_dst_hdr "${DEST}/${REL_DIR}${FIL_WE}.pb.h")
+
+    list(APPEND ${SRCS} "${_dst_src}")
+    list(APPEND ${HDRS} "${_dst_hdr}")
+
+    add_custom_command(
+      OUTPUT "${_dst_src}"
+             "${_dst_hdr}"
+      COMMAND protobuf::protoc
+      ARGS --cpp_out ${DEST} ${_protobuf_include_path} ${FIL}
+      DEPENDS ${FIL} protobuf::protoc
+      COMMENT "Running C++ protocol buffer compiler on ${FIL}"
+      VERBATIM )
+  endforeach()
+
+  set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES GENERATED TRUE)
+  set(${SRCS} ${${SRCS}} PARENT_SCOPE)
+  set(${HDRS} ${${HDRS}} PARENT_SCOPE)
+endfunction()
+
+# Find the include directory
+find_path(PROTOBUF_INCLUDE_DIR google/protobuf/service.h)
+mark_as_advanced(PROTOBUF_INCLUDE_DIR)
+
+# The Protobuf library
+find_library(PROTOBUF_LIBRARY NAMES protobuf)
+mark_as_advanced(PROTOBUF_LIBRARY)
+add_library(protobuf::libprotobuf UNKNOWN IMPORTED)
+set_target_properties(protobuf::libprotobuf PROPERTIES
+    INTERFACE_INCLUDE_DIRECTORIES ${PROTOBUF_INCLUDE_DIR}
+    INTERFACE_LINK_LIBRARIES pthread
+    IMPORTED_LOCATION ${PROTOBUF_LIBRARY}
+)
+
+# The Protobuf lite library
+find_library(PROTOBUF_LITE_LIBRARY NAMES protobuf-lite)
+mark_as_advanced(PROTOBUF_LITE_LIBRARY)
+add_library(protobuf::libprotobuf-lite UNKNOWN IMPORTED)
+set_target_properties(protobuf::libprotobuf-lite PROPERTIES
+    INTERFACE_INCLUDE_DIRECTORIES ${PROTOBUF_INCLUDE_DIR}
+    INTERFACE_LINK_LIBRARIES pthread
+    IMPORTED_LOCATION ${PROTOBUF_LITE_LIBRARY}
+)
+
+# The Protobuf Protoc Library
+find_library(PROTOBUF_PROTOC_LIBRARY NAMES protoc)
+mark_as_advanced(PROTOBUF_PROTOC_LIBRARY)
+add_library(protobuf::libprotoc UNKNOWN IMPORTED)
+set_target_properties(protobuf::libprotoc PROPERTIES
+    INTERFACE_INCLUDE_DIRECTORIES ${PROTOBUF_INCLUDE_DIR}
+    INTERFACE_LINK_LIBRARIES protobuf::libprotobuf
+    IMPORTED_LOCATION ${PROTOBUF_PROTOC_LIBRARY}
+)
+
+# Find the protoc Executable
+if(NOT TARGET protobuf::protoc)
+  find_program(PROTOBUF_PROTOC_EXECUTABLE NAMES protoc)
+  mark_as_advanced(PROTOBUF_PROTOC_EXECUTABLE)
+  add_executable(protobuf::protoc IMPORTED)
+  set_target_properties(protobuf::protoc PROPERTIES
+    IMPORTED_LOCATION ${PROTOBUF_PROTOC_EXECUTABLE})
+endif()
+
+include(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(ProtobufCpp DEFAULT_MSG
+    PROTOBUF_LIBRARY PROTOBUF_INCLUDE_DIR PROTOBUF_PROTOC_EXECUTABLE)

cmake/NOTE

+From MIT licenced example on https://github.com/IvanSafonov/grpc-cmake-example

cmake/common.cmake

+if(DEFINED COMMON_CMAKE_CF4CE60F81004462ADD810242A9E6448)
+    return()
+endif()
+set(COMMON_CMAKE_CF4CE60F81004462ADD810242A9E6448 1)
+
+set(API_MESSENGER_VERSION "1.1.0")
+message(STATUS "API_MESSENGER_VERSION: ${API_MESSENGER_VERSION}")
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
+
+set(PROTOS_DIR ${CMAKE_CURRENT_LIST_DIR}/..)
+set(PROTOBUF_IMPORT_DIRS ${PROTOS_DIR})
+set(FRED_MESSENGER_GRPC_FILES
+    ${PROTOS_DIR}/fred_api/messenger/service_email_grpc.proto
+    ${PROTOS_DIR}/fred_api/messenger/service_letter_grpc.proto
+    ${PROTOS_DIR}/fred_api/messenger/service_sms_grpc.proto)
+
+set(FRED_MESSENGER_PROTO_FILES
+    ${PROTOS_DIR}/fred_api/messenger/common_types.proto
+    ${PROTOS_DIR}/fred_api/messenger/email.proto
+    ${PROTOS_DIR}/fred_api/messenger/letter.proto
+    ${PROTOS_DIR}/fred_api/messenger/sms.proto
+    ${FRED_MESSENGER_GRPC_FILES})
+
+set(FRED_MESSENGER_GENERATE_INTO ${CMAKE_CURRENT_BINARY_DIR})

cmake/cpp.cmake

+if(DEFINED CPP_CMAKE_217F4EEA277746D19940EF023ADD7D93)
+    return()
+endif()
+set(CPP_CMAKE_217F4EEA277746D19940EF023ADD7D93 1)
+
+include("${CMAKE_CURRENT_LIST_DIR}/common.cmake")
+
+find_package(ProtobufCpp REQUIRED)
+find_package(GrpcCpp REQUIRED)
+
+include_directories(${PROTOBUF_INCLUDE_DIR} ${GRPC_INCLUDE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
+
+if(CMAKE_CXX_STANDARD LESS 11)
+    message(FATAL_ERROR "This file requires compiler and library support for the ISO C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options. Set CMAKE_CXX_STANDARD to at least 11")
+endif()
+
+protobuf_generate_cpp(FRED_MESSENGER_PROTO_SRCS FRED_MESSENGER_PROTO_HDRS ${FRED_MESSENGER_GENERATE_INTO} ${FRED_MESSENGER_PROTO_FILES})
+grpc_generate_cpp(FRED_MESSENGER_GRPC_SRCS FRED_MESSENGER_GRPC_HDRS ${FRED_MESSENGER_GENERATE_INTO} ${FRED_MESSENGER_GRPC_FILES})