[英]How to include another cmake project's header files in my cmake project?
我正在嘗試將另一個 CMake 項目包含為我的項目的第三方庫。 問題是我不能包含來自所述庫的標題。
我嘗試使用add_subdirectory
函數添加庫,但它似乎不起作用。
這是我的 CMakeLists.txt:
cmake_minimum_required (VERSION 2.6)
project (Cam2ClientCpp)
set(CMAKE_VERBOSE_MAKEFILE ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
include_directories ("${PROJECT_SOURCE_DIR}/restclient-cpp")
add_subdirectory (restclient-cpp)
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
add_executable (Cam2ClientCpp main.cpp)
target_link_libraries (Cam2ClientCpp restclient-cpp)
另一個項目的 CMakeLists.txt 在這里: https : //github.com/mrtazz/restclient-cpp/blob/master/CMakeLists.txt 。
當我運行 make 時,出現以下錯誤:
/Library/Developer/CommandLineTools/usr/bin/c++ -I/Users/nhendy/Development/cam2clientcpp/restclient-cpp -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk -std=gnu++11 -o CMakeFiles/Cam2ClientCpp.dir/main.cpp.o -c /Users/nhendy/Development/cam2clientcpp/main.cpp
/Users/nhendy/Development/cam2clientcpp/main.cpp:1:10: fatal error: 'restclient-cpp/connection.h' file not found
#include "restclient-cpp/connection.h"
通常,要使用庫,您必須:
add_subdirectory
以便解析和解釋此項目的CMakeLists.txt
。 這使 CMake 知道項目/庫。PUBLIC
),以及內部包含路徑 ( PRIVATE
):target_include_directories(MyLibrary
PUBLIC
include
PRIVATE
src
)
target_link_libraries(MyCoolApp
PRIVATE
MyLibrary
)
這樣庫導出使用庫所需的路徑,即不是庫的用戶知道如何使用它,而只有庫本身。
我的建議是為圖書館創建一個 PR,並懇請他們使用這種方法。
如果這是不可能的,您可以設置 include_directories。 我的 CMakeLists.txt 看起來像這樣(對你的只有改變的是 include_directories 命令,使用${CMAKE_SOURCE_DIR}
):
cmake_minimum_required (VERSION 2.6)
project (Cam2ClientCpp)
set(CMAKE_VERBOSE_MAKEFILE ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
file(WRITE
${CMAKE_BINARY_DIR}/restclient-cpp/include/restclient-cpp/version.h
"#define RESTCLIENT_VERSION \"0.5.0\"\n"
)
include_directories ("${CMAKE_SOURCE_DIR}/restclient-cpp/include")
include_directories ("${CMAKE_BINARY_DIR}/restclient-cpp/include")
#add_subdirectory (restclient-cpp)
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)
add_executable (Cam2ClientCpp main.cpp)
target_link_libraries (Cam2ClientCpp restclient-cpp)
我使用以下文件結構進行了測試:
./CMakeLists.txt
./restclient-cpp
./restclient-user
./restclient-user/CMakeLists.txt
./restclient-user/main.cpp
cmake_minimum_required(VERSION 3.10)
add_subdirectory(restclient-cpp)
add_subdirectory(restclient-user)
首先需要單獨編譯第三方庫。 然后鏈接到 CMake 項目中的輸出庫。 查看target_link_libraries
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.