[英]Compiling with CMake and Boost unit tests
我是C ++的新手,我正在嘗試使用帶有以下#include的CMake編譯項目:
#include <boost/test/unit_test.hpp>
我收到以下錯誤
undefined symbols for architecture x86_64:
"boost::unit_test::unit_test_log_t::instance()", referenced from:
___cxx_global_var_init in functions1.cpp.o
___cxx_global_var_init in functions2.cpp.o
___cxx_global_var_init in main.cpp.o
ld: symbol(s) not found for architecture x86_64
我很確定這與我的CMakeLists.txt有關,所以這里是:
cmake_minimum_required(VERSION 3.13)
project(MyProject)
set(CMAKE_CXX_STANDARD 14)
include_directories(.)
include_directories(/usr/local/include/)
add_executable(MyProject
functions1.cpp
functions1.h
functions2.cpp
functions2.h
main.cpp
main.h
utillity.cpp
utillity.h)
set(BOOST_ROOT "/usr/local/Cellar/boost/1.69.0_2")
find_package(Boost COMPONENTS filesystem system unit_test_framework REQUIRED)
#find_package(Boost 1.69.0)
if(NOT Boost_FOUND)
message(FATAL_ERROR "Could not find boost!")
endif()
include_directories (${Boost_INCLUDE_DIRS})
我在OSX Mojave上,並通過brew install boost
。 我知道那里有幾篇文章報告了非常相似的問題,但是似乎沒有一種解決方案適合我。
編輯:
根據以下Guillaume的建議,將我的CMakeLists調整為以下內容。
make_minimum_required(VERSION 3.13)
project(MyProject)
set(CMAKE_CXX_STANDARD 14)
add_executable(MyProject
functions1.cpp
functions1.h
functions2.cpp
functions2.h
main.cpp
main.h
utillity.cpp
utillity.h)
set(BOOST_ROOT "/usr/local/Cellar/boost/1.69.0_2")
find_package(Boost COMPONENTS filesystem system test REQUIRED)
target_include_directories(MyProject PUBLIC ".")
target_link_libraries(MyProject PUBLIC
Boost::filesystem Boost::system Boost::test)
我了解,從原則上講,這是更好的選擇,但是它給了我:
Unable to find the requested Boost libraries.
Boost version: 1.69.0
Boost include path: /usr/local/Cellar/boost/1.69.0_2/include
Could not find the following Boost libraries:
boost_test
Some (but not all) of the required Boost libraries were found. You may need to install these additional Boost libraries. Alternatively, set BOOST_LIBRARYDIR to the directory containing Boost libraries or BOOST_ROOT to the location of Boost.
編輯2:
曾嘗試進行編輯和升級以增強1.7,但仍具有:
Could not find a package configuration file provided by "boost_test"
(requested version 1.70.0) with any of the following names:
boost_testConfig.cmake
boost_test-config.cmake
Add the installation prefix of "boost_test" to CMAKE_PREFIX_PATH or set
"boost_test_DIR" to a directory containing one of the above files. If
"boost_test" provides a separate development package or SDK, be sure it
has been installed.
您必須正確鏈接以增強功能,而不是添加包含目錄標志。
在cmake中鏈接庫將應用所有必需的屬性,以將boost用於目標。
首先,請不要這樣做:
include_directories(.)
include_directories(/usr/local/include/)
這是在詢問鏈接錯誤。 它將使您能夠使用未正確鏈接到的庫的頭。 即使在您自己的項目中,這也會導致鏈接錯誤。
cmake_minimum_required(VERSION 3.13)
project(MyProject)
set(CMAKE_CXX_STANDARD 14)
add_executable(MyProject
functions1.cpp
functions1.h
functions2.cpp
functions2.h
main.cpp
main.h
utillity.cpp
utillity.h)
list(APPEND CMAKE_PREFIX_PATH "/usr/local/Cellar/boost/1.69.0_2")
set(Boost_ADDITIONAL_VERSIONS "1.69.0" "1.69")
find_package(Boost COMPONENTS filesystem system test REQUIRED)
# Not needed
#if(NOT Boost_FOUND)
# message(FATAL_ERROR "Could not find boost!")
#endif()
# include_directories (${Boost_INCLUDE_DIRS})
target_include_directories(MyProject PUBLIC ".")
# adds include directories, definitions and link libraries
target_link_libraries(MyProject PUBLIC
Boost::filesystem Boost::system Boost::test
)
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