与 cmake、icc 和 pthreads 链接 (linux)
Linking with cmake, icc and pthreads (linux)
我正在尝试使用 Intel C++ Compiler
、CMake
和 std::threads
支持编译一个简单的测试项目。
如果我这样做:
icpc -std=c++11 -lpthread source/main.cpp
然后构建和程序工作正常。
但是 CMake
我得到一个错误:
CMake Error at CMakeLists.txt:21 (TARGET_LINK_LIBRARIES):
Cannot specify link libraries for target "test" which is not built by
this project.
CMakeLists.txt
是:
project(test)
set (CMAKE_CXX_FLAGS "-std=c++11")
set(SOURCE_LIST "source/main.cpp")
TARGET_LINK_LIBRARIES(${PROJECT_NAME} pthread)
add_executable (${PROJECT_NAME} ${SOURCE_LIST})
我在由 icc
(compilervars.sh
) 提供的脚本设置的环境中构建,并且使用 -DCMAKE_C_COMPILER=icc -DCMAKE_CXX_COMPILER=icpc
选项调用 CMake
。如果我不使用线程,它就可以工作。
我使用 CMake
有什么问题?
谢谢!
顺序错误:首先声明您的可执行文件并让 CMake 知道它存在
add_executable (${PROJECT_NAME} ${SOURCE_LIST})
然后添加 link 个库
TARGET_LINK_LIBRARIES(${PROJECT_NAME} pthread)
来自 target_link_libraries 的文档:
The named must have been created in the current directory by a command such as add_executable() or add_library()
回顾 target_link_libraries
的文档,必须在使用 之前 声明目标:
The named <target>
must have been created in the current directory by a command such as add_executable()
or add_library()
.
顺便说一句,如 所述,您不应明确设置 CMAKE_CXX_FLAGS
,而更喜欢设置 CMAKE_CXX_STANDARD
和相关变量:
project(test)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(SOURCE_LIST "source/main.cpp")
add_executable(${PROJECT_NAME} ${SOURCE_LIST})
target_link_libraries(${PROJECT_NAME} pthread)
我正在尝试使用 Intel C++ Compiler
、CMake
和 std::threads
支持编译一个简单的测试项目。
如果我这样做:
icpc -std=c++11 -lpthread source/main.cpp
然后构建和程序工作正常。
但是 CMake
我得到一个错误:
CMake Error at CMakeLists.txt:21 (TARGET_LINK_LIBRARIES):
Cannot specify link libraries for target "test" which is not built by
this project.
CMakeLists.txt
是:
project(test)
set (CMAKE_CXX_FLAGS "-std=c++11")
set(SOURCE_LIST "source/main.cpp")
TARGET_LINK_LIBRARIES(${PROJECT_NAME} pthread)
add_executable (${PROJECT_NAME} ${SOURCE_LIST})
我在由 icc
(compilervars.sh
) 提供的脚本设置的环境中构建,并且使用 -DCMAKE_C_COMPILER=icc -DCMAKE_CXX_COMPILER=icpc
选项调用 CMake
。如果我不使用线程,它就可以工作。
我使用 CMake
有什么问题?
谢谢!
顺序错误:首先声明您的可执行文件并让 CMake 知道它存在
add_executable (${PROJECT_NAME} ${SOURCE_LIST})
然后添加 link 个库
TARGET_LINK_LIBRARIES(${PROJECT_NAME} pthread)
来自 target_link_libraries 的文档:
The named must have been created in the current directory by a command such as add_executable() or add_library()
回顾 target_link_libraries
的文档,必须在使用 之前 声明目标:
The named
<target>
must have been created in the current directory by a command such asadd_executable()
oradd_library()
.
顺便说一句,如 CMAKE_CXX_FLAGS
,而更喜欢设置 CMAKE_CXX_STANDARD
和相关变量:
project(test)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(SOURCE_LIST "source/main.cpp")
add_executable(${PROJECT_NAME} ${SOURCE_LIST})
target_link_libraries(${PROJECT_NAME} pthread)