[英]CPPREST SDK on CLion using CMake on Mac
I am attempting to use the CPPREST SDK in CLion on a Mac using CMake. 我试图在使用CMake的Mac上的CLion中使用CPPREST SDK。 I'm almost there, but I cannot seem to resolve the following linker error: 我快到了,但似乎无法解决以下链接器错误:
Undefined symbols for architecture x86_64:
"_ERR_remove_thread_state", referenced from:
boost::asio::ssl::detail::openssl_init_base::do_init::~do_init() in PongRemote.cpp.o
I have specified -lssl and -lcrypto, but still get this "thread state" error. 我指定了-lssl和-lcrypto,但仍然收到此“线程状态”错误。 Based on some research, it looks like it is coming from OpenSSL. 根据一些研究,它似乎来自OpenSSL。 I used Homebrew to install CPPREST. 我使用Homebrew安装CPPREST。
I have tested this with literally just a main and the basic includes: 我实际上已经对它进行了测试,而基本测试包括:
#include <cpprest/http_client.h>
#include <cpprest/filestream.h>
with a CMake of: 的CMake:
project(cpprest)
cmake_minimum_required(VERSION 3.8)
set(CMAKE_CXX_STANDARD 14)
# BOOST PACKAGE
find_package(Boost REQUIRED COMPONENTS
atomic
chrono
date_time
exception
filesystem
random
regex
serialization
system
thread
)
include_directories(${Boost_INCLUDE_DIRS})
IF (!Boost_FOUND)
MESSAGE("*** ERROR *** Boost package not found")
RETURN()
ENDIF ()
# Microsoft RESTful API Package (Casablanca)
set(CPPREST_LIBRARIES "/usr/local/opt/openssl/lib")
include_directories("/usr/local/opt/openssl/include")
# Compile and link
# Build the core library and executable
include_directories(${CMAKE_SOURCE_DIR})
set(SOURCE_FILES
main.cpp
)
set(LINK_LIBRARIES
${Boost_LIBRARIES}
${CPPREST_LIBRARIES}
-lssl
-lcrypto
)
add_executable(${PROJECT_NAME} ${SOURCE_FILES})
target_link_libraries(${PROJECT_NAME} ${LINK_LIBRARIES})
After taking some time, the linking problem was due to the CMake find commands not working properly. 花费一些时间后,链接问题是由于CMake find命令无法正常工作。 I manually pointed directly to the libraries for both OpenSSL and RESTCPP and the problem was fixed. 我手动直接指向OpenSSL和RESTCPP的库,此问题已解决。
Project(cpprest)
cmake_minimum_required(VERSION 3.8)
set(CMAKE_CXX_STANDARD 17)
# BOOST PACKAGE
set(Boost_USE_MULTITHREADED ON) # Default ON
set(Boost_USE_STATIC_LIBS ON) # Default OFF
set(Boost_USE_DEBUG_RUNTIME OFF) # Default ON
set(Boost_USE_DEBUG_PYTHON OFF) # Default OFF
set(Boost_USE_STLPORT OFF) # Default OFF
find_package(Boost REQUIRED COMPONENTS
atomic
chrono
date_time
exception
filesystem
program_options
random
regex
system
serialization
thread
)
IF (!Boost_FOUND)
MESSAGE("*** ERROR *** Boost package not found")
RETURN()
ENDIF ()
include_directories(${Boost_INCLUDE_DIRS})
MESSAGE("Boost_INCLUDE_DIRS:\t" ${Boost_INCLUDE_DIRS})
# Open SSL Package
set(OpenSSL_INCLUDE /usr/local/opt/openssl/include)
set(OpenSSL_LIBRARIES
/usr/local/opt/openssl/lib/libcrypto.dylib
/usr/local/opt/openssl/lib/libssl.dylib)
include_directories(${OpenSSL_INCLUDE})
# Microsoft RESTful API Package (Casablanca)
set(CppREST_INCLUDE /usr/local/opt/cpprestsdk/include)
set(CppREST_LIBRARIES /usr/local/opt/cpprestsdk/lib/libcpprest.dylib)
include_directories(${CppREST_INCLUDE})
# Compile and link
# Build the core library and executable
set(SOURCE_FILES main.cpp)
set(LINK_LIBRARIES
${Boost_LIBRARIES}
${OpenSSL_LIBRARIES}
${CppREST_LIBRARIES}
)
add_executable(${PROJECT_NAME} ${SOURCE_FILES})
target_link_libraries(${PROJECT_NAME} ${LINK_LIBRARIES})
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