[英]c++ - Boost.Log error with namespaces
嘗試構建使用Boost :: library的下一個程序,並嘗試創建一個新的記錄器:
#include <string>
#include <boost/log/core.hpp>
#include <boost/log/trivial.hpp>
#include <boost/log/expressions.hpp>
class TestClass
{
...
boost::log::sources::logger lg;
};
用於構建此文件的我的Cmake文件:
set(Boost_USE_STATIC_LIBS ON)
set(Boost_USE_MULTITHREADED ON)
set(Boost_USE_STATIC_RUNTIME OFF)
find_package(Boost 1.63.0
COMPONENTS system
filesystem
log
log_setup
thread
unit_test_framework
REQUIRED)
include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
file(GLOB PROJECT_SOURCES sources/*.cpp
sources/configuration/*.cpp)
file(GLOB PROJECT_HEADERS sources/*.h
sources/configuration/*.h)
add_executable(${PROJECT_NAME}
${PROJECT_SOURCES}
${PROJECT_HEADERS})
target_link_libraries(${PROJECT_NAME}
${Boost_LIBRARIES}
Boost::log)
但是在鏈接過程中,我得到下一個錯誤:
error: 'logger' in namespace 'boost::log::v2_mt_nt5::sources' does not name a type
boost::log::sources::logger log;
為什么將我的命名空間boost::log::sources
轉換為boost::log::v2_mt_nt5::sources
? 如何解決這個問題?
您只是缺少一個include指令:
#include <boost/log/sources/logger.hpp>
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