CMakeLists.txt 4.73 KB
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

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cmake_minimum_required(VERSION 2.8.10)
project(echo_c++ C CXX)

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option(LINK_SO "Whether examples are linked dynamically" OFF)
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execute_process(
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    COMMAND bash -c "find ${PROJECT_SOURCE_DIR}/../.. -type d -regex \".*output/include$\" | head -n1 | xargs dirname | tr -d '\n'"
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    OUTPUT_VARIABLE OUTPUT_PATH
)

set(CMAKE_PREFIX_PATH ${OUTPUT_PATH})

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include(FindThreads)
include(FindProtobuf)
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protobuf_generate_cpp(PROTO_SRC PROTO_HEADER echo.proto)
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# include PROTO_HEADER
include_directories(${CMAKE_CURRENT_BINARY_DIR})
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# Search for libthrift* by best effort. If it is not found and brpc is
# compiled with thrift protocol enabled, a link error would be reported.
find_library(THRIFT_LIB NAMES thrift)
if (NOT THRIFT_LIB)
    set(THRIFT_LIB "")
endif()
find_library(THRIFTNB_LIB NAMES thriftnb)
if (NOT THRIFTNB_LIB)
    set(THRIFTNB_LIB "")
endif()

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find_path(BRPC_INCLUDE_PATH NAMES brpc/server.h)
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if(LINK_SO)
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    find_library(BRPC_LIB NAMES brpc)
else()
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    find_library(BRPC_LIB NAMES libbrpc.a brpc)
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endif()
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if((NOT BRPC_INCLUDE_PATH) OR (NOT BRPC_LIB))
    message(FATAL_ERROR "Fail to find brpc")
endif()
include_directories(${BRPC_INCLUDE_PATH})
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find_path(GFLAGS_INCLUDE_PATH gflags/gflags.h)
find_library(GFLAGS_LIBRARY NAMES gflags libgflags)
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if((NOT GFLAGS_INCLUDE_PATH) OR (NOT GFLAGS_LIBRARY))
    message(FATAL_ERROR "Fail to find gflags")
endif()
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include_directories(${GFLAGS_INCLUDE_PATH})

execute_process(
    COMMAND bash -c "grep \"namespace [_A-Za-z0-9]\\+ {\" ${GFLAGS_INCLUDE_PATH}/gflags/gflags_declare.h | head -1 | awk '{print $2}' | tr -d '\n'"
    OUTPUT_VARIABLE GFLAGS_NS
)
if(${GFLAGS_NS} STREQUAL "GFLAGS_NAMESPACE")
    execute_process(
        COMMAND bash -c "grep \"#define GFLAGS_NAMESPACE [_A-Za-z0-9]\\+\" ${GFLAGS_INCLUDE_PATH}/gflags/gflags_declare.h | head -1 | awk '{print $3}' | tr -d '\n'"
        OUTPUT_VARIABLE GFLAGS_NS
    )
endif()
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if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
    include(CheckFunctionExists)
    CHECK_FUNCTION_EXISTS(clock_gettime HAVE_CLOCK_GETTIME)
    if(NOT HAVE_CLOCK_GETTIME)
        set(DEFINE_CLOCK_GETTIME "-DNO_CLOCK_GETTIME_IN_MAC")
    endif()
endif()

set(CMAKE_CPP_FLAGS "${DEFINE_CLOCK_GETTIME} -DGFLAGS_NS=${GFLAGS_NS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CPP_FLAGS} -DNDEBUG -O2 -D__const__= -pipe -W -Wall -Wno-unused-parameter -fPIC -fno-omit-frame-pointer")

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if(CMAKE_VERSION VERSION_LESS "3.1.3")
    if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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    endif()
    if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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    endif()
else()
    set(CMAKE_CXX_STANDARD 11)
    set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()

find_path(LEVELDB_INCLUDE_PATH NAMES leveldb/db.h)
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find_library(LEVELDB_LIB NAMES leveldb)
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if ((NOT LEVELDB_INCLUDE_PATH) OR (NOT LEVELDB_LIB))
    message(FATAL_ERROR "Fail to find leveldb")
endif()
include_directories(${LEVELDB_INCLUDE_PATH})
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if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
    set(OPENSSL_ROOT_DIR
        "/usr/local/opt/openssl"    # Homebrew installed OpenSSL
        )
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endif()
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include_directories(${OPENSSL_INCLUDE_DIR})
find_package(OpenSSL)
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add_executable(echo_client client.cpp ${PROTO_SRC} ${PROTO_HEADER})
add_executable(echo_server server.cpp ${PROTO_SRC} ${PROTO_HEADER})
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set(DYNAMIC_LIB
    ${CMAKE_THREAD_LIBS_INIT}
    ${GFLAGS_LIBRARY}
    ${PROTOBUF_LIBRARIES}
    ${LEVELDB_LIB}
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    ${OPENSSL_CRYPTO_LIBRARY}
    ${OPENSSL_SSL_LIBRARY}
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    ${THRIFT_LIB}
    ${THRIFTNB_LIB}
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    dl
    )

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if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
    set(DYNAMIC_LIB ${DYNAMIC_LIB}
        pthread
        "-framework CoreFoundation"
        "-framework CoreGraphics"
        "-framework CoreData"
        "-framework CoreText"
        "-framework Security"
        "-framework Foundation"
        "-Wl,-U,_MallocExtension_ReleaseFreeMemory"
        "-Wl,-U,_ProfilerStart"
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        "-Wl,-U,_ProfilerStop")
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endif()

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target_link_libraries(echo_client ${BRPC_LIB} ${DYNAMIC_LIB})
target_link_libraries(echo_server ${BRPC_LIB} ${DYNAMIC_LIB})