使用CMake构建平台不可知的目录结构

时间：2015-08-23 18:59:37

标签： python c++ cmake cross-platform boost-python

我正在尝试为我的跨平台项目创建一个目录结构，并遇到了一些问题。我让CMake确定放置我的库和可执行文件的适当位置，但结构只能在Windows上运行。

我的结构如下所示：

  • 项目目录
    • 仓
      • 可执行
    • LIB
      • 文库
    • 蟒
      • 升级模块
      • python脚本

这在Windows上工作正常，我将模块编译成.pyd并将其放在python文件夹中。但问题出现在我的Linux版本中。而不是将boost-module.so放入我的python文件夹中，而是将其放入我的lib文件夹中，并附带测试库。

我目前有3个CMakeLists.txt文件。一个是我的可执行文件的根项目。第二个是我写的一个小测试库。第三个是我测试的boost :: python模块，它从第二个导出一个类。它们按以下顺序排列如下。

基地：

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)

#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)

#install target
install(TARGETS ${EXECUTABLE_NAME} DESTINATION bin)

测试库：

cmake_minimum_required(VERSION 2.8)

#set the project name and type
project(shape CXX)

#test for windows
if(WIN32)
#build DLL
    include(GenerateExportHeader)
endif(WIN32)

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

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

#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
#test for Windows again
if(WIN32)
    #generate the export header for the .dll
    #generate_export_header(shape
    #                       BASE_NAME shape
    #                       EXPORT_MACRO_NAME shape_EXPORT
    #                       EXPORT_FILE_NAME shape_Export.h
    #                       STATIC_DEFINE shape_BUILT_AS_STATIC)
    add_library(shape STATIC ${SOURCE})
elseif(UNIX)
    add_library(shape SHARED ${SOURCE})
endif(WIN32)

#Enable C++11 if it is available
target_compile_features(shape PRIVATE cxx_range_for)
#link library
target_link_libraries(shape ${Boost_LIBRARIES} ${PYTHON_LIBRARIES} ${SFML_LIBRARIES})
#drop "lib" from the library name
set_target_properties(shape PROPERTIES PREFIX "")

Boost Python模块：

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 ${CMAKE_BINARY_DIR}/lib)
MAKE_DIRECTORY(${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()

#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)

非常感谢任何帮助或指示。

1 个答案:

答案 0 :(得分：1)

LIBRARY_OUTPUT_DIRECTORY的CMake文档说：

  

可以构建三种目标文件：存档，库和运行时。可执行文件始终被视为运行时目标。静态库始终被视为归档目标。模块库始终被视为库目标。对于非DLL平台，共享库被视为库目标。对于DLL平台，共享库的DLL部分被视为运行时目标，相应的导入库被视为归档目标。包括Cygwin在内的所有基于Windows的系统都是DLL平台。

所以你需要改变：

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)

成：

SET (CMAKE_LIBRARY_OUTPUT_DIRECTORY  ${OUTPUT_BINDIR} CACHE PATH "build directory")

在你的boost python CMakeLists.txt中。 ${CONF}版本也是如此。

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