unix – 父CMakeLists.txt覆盖子CMakeLists.txt输出目录选项

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我试图将项目中的库放入我的构建输出中的某个目录,但是父CMakeLists.txt正在覆盖输出设置.
父CMakeLists.txt将所有库设置为/ lib目录.

但是,我的一个库需要放入/ python库中.我在Windows上运行的设置.意思是,除了我的python特定库之外的所有库都放在/ lib文件夹中,python lib放在/ python文件夹中.

当我在Linux上构建时出现问题.所有库,包括python特定库,都放在/ lib文件夹中. FORCE选项什么都不做.

如果我只为一个平台构建,我可以处理任一目录布局.但我真的希望跨平台保持相同的布局.

CMakeLists.txt如下:

-Parent CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
project(renderer2d)

#enable debug symbols by default
if(CMAKE_BUILD_TYPE STREQUAL "")
  set(CMAKE_BUILD_TYPE Debug)
endif()
#(you can also set on cl: -D CMAKE_BUILD_TYPE=Release)

#place outside of Debug/Release folders
SET(OUTPUT_BINDIR ${PROJECT_BINARY_DIR}/bin)
MAKE_DIRECTORY(${OUTPUT_BINDIR})

SET(OUTPUT_LIBDIR ${PROJECT_BINARY_DIR}/lib)
MAKE_DIRECTORY(${OUTPUT_LIBDIR})

SET (CMAKE_ARCHIVE_OUTPUT_DIRECTORY  ${OUTPUT_LIBDIR} CACHE PATH "build directory")
SET (CMAKE_RUNTIME_OUTPUT_DIRECTORY  ${OUTPUT_BINDIR} CACHE PATH "build directory")
IF(WIN32)
  SET (CMAKE_LIBRARY_OUTPUT_DIRECTORY  ${OUTPUT_BINDIR} CACHE PATH "build directory")
ELSE(WIN32)
  SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${OUTPUT_LIBDIR} CACHE PATH "build directory")
ENDIF(WIN32)

# For each configuration (Debug,Release,MinSizeRel... and/or anything the user chooses)
FOREACH(CONF ${CMAKE_CONFIGURATION_TYPES})
# Go uppercase (DEBUG,RELEASE...)
STRING(TOUPPER "${CONF}" CONF)
SET("CMAKE_ARCHIVE_OUTPUT_DIRECTORY_${CONF}" "${OUTPUT_LIBDIR}")
SET("CMAKE_RUNTIME_OUTPUT_DIRECTORY_${CONF}" "${OUTPUT_BINDIR}")
IF(WIN32)
  SET("CMAKE_LIBRARY_OUTPUT_DIRECTORY_${CONF}" "${OUTPUT_BINDIR}")
ELSE()
  SET("CMAKE_LIBRARY_OUTPUT_DIRECTORY_${CONF}" "${OUTPUT_LIBDIR}")
ENDIF()
ENDFOREACH()

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")

#set the source directory
file(GLOB SOURCES src/*.cpp)

add_subdirectory(shape)
add_subdirectory(py_shape)
add_subdirectory(scripts)

#define sources and executable
set(EXECUTABLE_NAME "renderer2d")
add_executable(${EXECUTABLE_NAME} ${SOURCES})

#find python
find_package(PythonInterp)
find_package(PythonLibs 2.7 required)
include_directories(${PYTHON_INCLUDE_DIRS})

#detect and add SFML
#this line checks a cmake file for hints on where to find cmake
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules" ${CMAKE_MODULE_PATH})
#find any version 2.x of SFML
#see the FindSFML.cmake file for additional details and instructions
find_package(SFML 2 required system window graphics network audio)
include_directories(${SFML_INCLUDE_DIR})

#find and include Boost python libraries
set(Boost_USE_STATIC_LIBS OFF)
find_package(Boost COMPONENTS python system filesystem required)
include_directories(${Boost_INCLUDE_DIR})

#link all found libraries to the executable
if(WIN32)
    target_compile_definitions(${EXECUTABLE_NAME} PRIVATE $<$<BOOL:${MSVC}>:BOOST_ALL_NO_LIB>)
endif(WIN32)

target_link_libraries(${EXECUTABLE_NAME} ${PYTHON_LIBRARIES} ${SFML_LIBRARIES} ${Boost_LIBRARIES} shape)

-Child CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

project(py_shape CXX)

#set file variables
file(GLOB SOURCE src/*.cpp)
file(GLOB HEADERS inc/*.hpp)

#place outside of Debug/Release folders
SET(OUTPUT_BINDIR ${CMAKE_BINARY_DIR}/python)
MAKE_DIRECTORY(${OUTPUT_BINDIR})

set(OUTPUT_LIBDIR ${CMAKEK_BINARY_DIR}/python)
MAKE_DIRECTORY(${OUTPUT_LIBDIR})

SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${OUTPUT_LIBDIR} CACHE PATH  "build directory")
SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${OUTPUT_BINDIR} CACHE PATH  "build directory")
IF(WIN32)
  SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${OUTPUT_BINDIR} CACHE PATH "build directory")
ELSE(WIN32)
  SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${OUTPUT_LIBDIR} CACHE PATH "build directory")
ENDIF(WIN32)

#for each configuration
FOREACH(CONF ${CMAKE_CONFIGURATION_TYPES})
#Go uppercase {DEBUG,RELEASE...)
SET("CMAKE_ARCHIVE_OUTPUT_DIRECTORY_${CONF}" "${OUTPUT_LIBDIR}")
SET("CMAKE_RUNTIME_OUTPUT_DIRECTORY_${CONF}" "${OUTPUT_BINDIR}")
IF(WIN32)
  SET("CMAKE_LIBRARY_OUTPUT_DIRECTORY_${CONF}" "${OUTPUT_BINDIR}")
ELSE()
  SET("CMAKE_LIBRARY_OUTPUT_DIRECTORY_${CONF}" "${OUTPUT_LIBDIR}")
ENDIF()
ENDFOREACH()

#find packages
find_package(PythonInterp)
find_package(PythonLibs 2.7 required)
include_directories(${PYTHON_INCLUDE_DIRS})

find_package(Boost COMPONENTS python required)
include_directories(${Boost_INCLUDE_DIR})

set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules" ${CMAKE_MODULE_PATH})
find_package(SFML 2 required system window graphics network audio)
include_directories(${SFML_INCLUDE_DIR})

#build the library
add_library(python_shape MODULE ${SOURCE})
#enable C++11 if available
target_compile_features(python_shape PRIVATE cxx_range_for)
#link library
target_link_libraries(python_shape shape ${Boost_LIBRARIES} ${PYTHON_LIBRARIES} ${SFML_LIBRARIES})
#drop "lib" from the library name
set_target_properties(python_shape PROPERTIES PREFIX "")

if(WIN32)
  #set extension to ".pyd"
  set_target_properties(python_shape PROPERTIES SUFFIX ".pyd")
endif(WIN32)
把我的评论转化为答案

我使用MinGW和CMake 3.3.0成功测试了以下内容(我将示例缩小了一点,专注于输出目录):

的CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
project(renderer2d C CXX)

# TODO: Remove,this is just for testing
file(WRITE "src/renderer2d.cpp" "int main(void) {}") 
file(WRITE "py_shape/src/py_shape.cpp" "") 

#enable debug symbols by default
if(CMAKE_BUILD_TYPE STREQUAL "")
  set(CMAKE_BUILD_TYPE Debug)
endif()
#(you can also set on cl: -D CMAKE_BUILD_TYPE=Release)

#place outside of Debug/Release folders
#see http://www.cmake.org/Wiki/CMake_Useful_Variables
set(EXECUTABLE_OUTPUT_PATH "${PROJECT_BINARY_DIR}/bin")
if(WIN32)
  set(LIBRARY_OUTPUT_PATH "${EXECUTABLE_OUTPUT_PATH}")
else()
  set(LIBRARY_OUTPUT_PATH "${PROJECT_BINARY_DIR}/lib")
endif()

#see https://stackoverflow.com/questions/10851247/how-to-activate-c-11-in-cmake
if (CMAKE_VERSION VERSION_LESS "3.1")
  if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    set(CMAKE_CXX_FLAGS "--std=gnu++11 ${CMAKE_CXX_FLAGS}")
  endif()
else()
  set(CMAKE_CXX_STANDARD 11)
endif()

#set the source directory
file(GLOB SOURCES src/*.cpp)

add_subdirectory(py_shape)

#define sources and executable
add_executable(${PROJECT_NAME} ${SOURCES})

add_dependencies(${PROJECT_NAME} python_shape)

py_shape /的CMakeLists.txt

#set file variables
file(GLOB SOURCE src/*.cpp)
file(GLOB HEADERS inc/*.hpp)

#build the library
add_library(python_shape MODULE ${SOURCE})

set_target_properties(python_shape PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/python")

#drop "lib" from the library name
set_target_properties(python_shape PROPERTIES PREFIX "")

if(WIN32)
  #set extension to ".pyd"
  set_target_properties(python_shape PROPERTIES SUFFIX ".pyd")
endif()

现在python_shape.pyd在python子目录中创建.

我改变/删除了什么:

>在子CMakeLists.txt中设置…_ OUTPUT_DIRECTORY全局变量不是必需的和/或不起作用
>添加LIBRARY_OUTPUT_DIRECTORY以覆盖python_shape MODULE库目标的输出目录(另请参见例如Custom Directory for CMake Library Output)
>删除了“按配置”设置,因为我认为这是一个功能,多配置使像Visual Studio这样的环境将不同的配置二进制文件放入同名的子文件夹中.
>在-std = c 11周围添加了一些if语句.它也只能在主CMakeLists.txt中设置一次
>您不需要“手动”创建输出目录,它们由make环境自动创建

由于您的第一种方法不起作用的原因,请参阅上面的评论.

我不建议使用file(GLOB ...)来收集源文件(参见例如Why is cmake file GLOB evil?CMake/Ninja attempting to compile deleted `.cpp` file).

备择方案

与像CMake这样的所有语言/框架一样,有多种方法可以做.

例如.您还可以使用POST_BUILD步骤将二进制文件复制到公共输出目录:

>见Cmake: use add_custom_command to copy binary to specific location failed when location doesn’t exist
>和 – 使用“生成器表达式”更新一点 – CMake: how to specify different steps for different build configurations for Visual Studio?

原文链接:https://www.f2er.com/bash/387056.html

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