[英]CMake - How Can I link to an external library that I have packed with my project?
[英]How can I link CMake and SQLite without an external script?
我有以下CMakeLists:
cmake_minimum_required (VERSION 2.8.12.2)
project (Tutorial)
find_package (sqlite3)
if (SQLITE3_FOUND)
include_directories(${SQLITE3_INCLUDE_DIRS})
target_link_libraries (new ${SQLITE3_LIBRARIES})
endif (SQLITE3_FOUND)
add_executable(Tutorial new.cpp)
但是,当我cmake时,我收到以下消息:
CMake Warning at CMakeLists.txt:3 (find_package):
By not providing "Findsqlite3.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "sqlite3", but
CMake did not find one.
Could not find a package configuration file provided by "sqlite3" with any
of the following names:
sqlite3Config.cmake
sqlite3-config.cmake
Add the installation prefix of "sqlite3" to CMAKE_PREFIX_PATH or set
"sqlite3_DIR" to a directory containing one of the above files. If
"sqlite3" provides a separate development package or SDK, be sure it has
been installed.
我自己也尝试这个和这个替代CMakeLists文件,但这些都没有工作。
我也尝试过这个并没有用:
FIND_PATH(SQLITE3_INCLUDE_DIR NAMES sqlite3.h)
FIND_LIBRARY(SQLITE3_LIBRARY NAMES sqlite)
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SQLITE3 DEFAULT_MSG SQLITE3_LIBRARY SQLITE3_INCLUDE_DIR)
IF(SQLITE3_FOUND)
SET(SQLITE3_LIBRARIES ${SQLITE3_LIBRARY})
SET(SQLITE3_INCLUDE_DIRS ${SQLITE3_INCLUDE_DIR})
ELSE(SQLITE3_FOUND)
SET(SQLITE3_LIBRARIES)
SET(SQLITE3_INCLUDE_DIRS)
ENDIF(SQLITE3_FOUND)
MARK_AS_ADVANCED(SQLITE3_INCLUDE_DIRS SQLITE3_LIBRARIES)
如何在不使用扩展名的情况下链接SQLite?
谢谢!
你基本上有两个选择:
1)在项目的根目录中有一个名为cmake
的目录中有一个FindSQLite3.cmake
,就像你已经尝试过的下面的FindSQLite3.cmake但是你需要有类似下面这样的东西
cmake_minimum_required (VERSION 2.8.12.2)
project (Tutorial)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
add_executable(tutorial new.cpp)
find_package (SQLite3)
if (SQLITE3_FOUND)
include_directories(${SQLITE3_INCLUDE_DIRS})
target_link_libraries (tutorial ${SQLITE3_LIBRARIES})
endif (SQLITE3_FOUND)
2)因为你知道你的sqlite3包含目录和库的位置你可以直接设置它们的路径,在你的CMakeLists.txt
你会有类似link_directories()
和include_directories()
,例如你将有以下几行:
cmake_minimum_required (VERSION 2.8.12.2)
project (Tutorial)
add_executable(tutorial new.cpp)
include_directories(/usr/include)
link_directories(/usr/lib)
target_link_libraries(tutorial sqlite3)
这两个方向的东西应该有效。
就个人而言,我建议采用第一种方法。
我刚刚将以下sting添加到我的CMakeLists.txt文件中并且它可以工作。
find_package (SQLite3)
include_directories(${SQLite3_INCLUDE_DIRS})
target_link_libraries (${OUT_TARGET} ${SQLite3_LIBRARIES})
cmake版本3.14.3
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