CMake:如何将INTERFACE_INCLUDE_DIRECTORIES与ExternalProject一起使用? [英] CMake: how to use INTERFACE_INCLUDE_DIRECTORIES with ExternalProject?
问题描述
我正在尝试使用ExternalProject_Add将外部项目作为库添加到我的项目中:
I'm trying to add external project as a library to my project using ExternalProject_Add:
ExternalProject_Add(
xgboost
GIT_REPOSITORY https://github.com/dmlc/xgboost.git
GIT_TAG v0.60
PREFIX ${CMAKE_CURRENT_BINARY_DIR}
INSTALL_COMMAND ""
)
此外,我正在定义库目标并将外部项目添加为依赖项:
Also, I'm defining library target and adding external project as a dependency:
set(XGBOOST_PREFIX_PATH "${CMAKE_CURRENT_BINARY_DIR}/src")
set(XGBOOST_BINARY_PATH "${XGBOOST_PREFIX_PATH}/xgboost-build")
set(XGBOOST_BINARY_INCLUDE "${XGBOOST_PREFIX_PATH}/xgboost/include;${XGBOOST_PREFIX_PATH}/xgboost/dmlc-core/include;${XGBOOST_PREFIX_PATH}/xgboost/rabit/include")
add_library(libxgboost IMPORTED STATIC GLOBAL)
add_dependencies(libxgboost xgboost)
set_target_properties(libxgboost PROPERTIES
"IMPORTED_LOCATION" "${XGBOOST_BINARY_PATH}/liblibxgboost.dylib"
"IMPORTED_LINK_INTERFACE_LIBRARIES" "${CMAKE_THREAD_LIBS_INIT}"
"INTERFACE_INCLUDE_DIRECTORIES" "${XGBOOST_BINARY_INCLUDE}"
)
在另一个CMakeLists.txt中:
in another CMakeLists.txt:
add_library(somelib STATIC SomeLib.cpp)
target_include_directories(somelib PUBLIC libxgboost)
target_link_libraries(somelib libxgboost)
问题是cmake INTERFACE_INCLUDE_DIRECTORIES不允许导出不存在的包含目录。
The problem is that cmake INTERFACE_INCLUDE_DIRECTORIES doesn't allow to export include dir which does not exist.
是否有其他方法可以使所有依赖 libxgboost 的目标自动包含头文件?
Is there any other way to make header files being included automatically for all targets which depend on libxgboost ?
更新:
错误消息:
CMake Error in somelib/CMakeLists.txt:
Imported target "libxgboost" includes non-existent path
"build/xgboost/src/xgboost/include"
in its INTERFACE_INCLUDE_DIRECTORIES. Possible reasons include:
* The path was deleted, renamed, or moved to another location.
* An install or uninstall procedure did not complete successfully.
* The installation package was faulty and references files it does not
provide.
推荐答案
我将发布最终的 CMakeLists.txt
包含xgboost到您的项目中,这可能对某人有用,上述问题的解决方案是在 cmake
期间创建目录配置阶段(注意:我正在使用OSX进行构建,因此您需要对GNU / Linux使用 liblibxgboost.so
而不是 liblibxgboost。 dylib
):
I'll post the final CMakeLists.txt
to include xgboost into your project, it might be useful for someone, the solution to the problem above is to create directories during cmake
configure phase (NOTE: I'm using OSX to build that, so you would need to use liblibxgboost.so
for GNU/Linux instead of liblibxgboost.dylib
):
include(ExternalProject)
ExternalProject_Add(
xgboost
GIT_REPOSITORY https://github.com/dmlc/xgboost.git
GIT_TAG v0.60
PREFIX ${CMAKE_CURRENT_BINARY_DIR}
INSTALL_COMMAND ""
)
set(XGBOOST_PREFIX_PATH "${CMAKE_CURRENT_BINARY_DIR}/src")
set(XGBOOST_BINARY_PATH "${XGBOOST_PREFIX_PATH}/xgboost-build")
set(XGBOOST_LIB_INCLUDE "${XGBOOST_PREFIX_PATH}/xgboost/include")
set(DMLC_LIB_INCLUDE "${XGBOOST_PREFIX_PATH}/xgboost/dmlc-core/include")
set(RABIT_LIB_INCLUDE "${XGBOOST_PREFIX_PATH}/xgboost/rabit/include")
set(XGBOOST_BINARY_INCLUDE "${XGBOOST_LIB_INCLUDE};${DMLC_LIB_INCLUDE};${RABIT_LIB_INCLUDE}")
# Hack to make it work, otherwise INTERFACE_INCLUDE_DIRECTORIES will not be propagated
file(MAKE_DIRECTORY ${XGBOOST_LIB_INCLUDE})
file(MAKE_DIRECTORY ${DMLC_LIB_INCLUDE})
file(MAKE_DIRECTORY ${RABIT_LIB_INCLUDE})
add_library(libxgboost IMPORTED STATIC GLOBAL)
add_dependencies(libxgboost xgboost)
set_target_properties(libxgboost PROPERTIES
"IMPORTED_LOCATION" "${XGBOOST_BINARY_PATH}/liblibxgboost.dylib"
"INTERFACE_INCLUDE_DIRECTORIES" "${XGBOOST_BINARY_INCLUDE}"
)
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