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cmake_minimum_required(VERSION 2.8.10)
project(echo_c++ C CXX)
option(EXAMPLE_LINK_SO "Whether examples are linked dynamically" OFF)
execute_process(
COMMAND bash -c "find ${CMAKE_SOURCE_DIR}/../.. -type d -name \"include\" | xargs dirname | tr -d '\n'"
OUTPUT_VARIABLE OUTPUT_PATH
)
set(CMAKE_PREFIX_PATH ${OUTPUT_PATH})
include(FindThreads)
include(FindProtobuf)
protobuf_generate_cpp(PROTO_SRC PROTO_HEADER echo.proto)
# include PROTO_HEADER
include_directories(${CMAKE_CURRENT_BINARY_DIR})
find_path(BRPC_INCLUDE_PATH NAMES brpc/server.h)
if(EXAMPLE_LINK_SO)
find_library(BRPC_LIB NAMES brpc)
else()
find_library(BRPC_LIB NAMES libbrpc_static.a brpc)
endif()
if((NOT BRPC_INCLUDE_PATH) OR (NOT BRPC_LIB))
message(FATAL_ERROR "Fail to find brpc")
endif()
include_directories(${BRPC_INCLUDE_PATH})
find_path(GFLAGS_INCLUDE_PATH gflags/gflags.h)
find_library(GFLAGS_LIBRARY NAMES gflags libgflags)
if((NOT GFLAGS_INCLUDE_PATH) OR (NOT GFLAGS_LIBRARY))
message(FATAL_ERROR "Fail to find gflags")
endif()
include_directories(${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 $3}' | tr -d '\n'"
OUTPUT_VARIABLE GFLAGS_NS
)
endif()
set(CMAKE_CPP_FLAGS "-DGFLAGS_NS=${GFLAGS_NS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CPP_FLAGS} -DNDEBUG -O2 -D__const__= -pipe -W -Wall -Wno-unused-parameter -fPIC -fno-omit-frame-pointer")
if(CMAKE_VERSION VERSION_LESS "3.1.3")
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif()
else()
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()
find_path(LEVELDB_INCLUDE_PATH NAMES leveldb/db.h)
find_library(LEVELDB_LIB NAMES leveldb)
if ((NOT LEVELDB_INCLUDE_PATH) OR (NOT LEVELDB_LIB))
message(FATAL_ERROR "Fail to find leveldb")
endif()
include_directories(${LEVELDB_INCLUDE_PATH})
find_library(SSL_LIB NAMES ssl)
if (NOT SSL_LIB)
message(FATAL_ERROR "Fail to find ssl")
endif()
find_library(CRYPTO_LIB NAMES crypto)
if (NOT CRYPTO_LIB)
message(FATAL_ERROR "Fail to find crypto")
endif()
add_executable(echo_client client.cpp ${PROTO_SRC} ${PROTO_HEADER})
add_executable(echo_server server.cpp ${PROTO_SRC} ${PROTO_HEADER})
set(DYNAMIC_LIB
${CMAKE_THREAD_LIBS_INIT}
${GFLAGS_LIBRARY}
${PROTOBUF_LIBRARIES}
${LEVELDB_LIB}
${SSL_LIB}
${CRYPTO_LIB}
dl
)
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"
"-Wl,-U,_ProfilerStop")
endif()
target_link_libraries(echo_client ${BRPC_LIB} ${DYNAMIC_LIB})
target_link_libraries(echo_server ${BRPC_LIB} ${DYNAMIC_LIB})