我試圖爲我寫的庫建立python綁定,並且我有一些麻煩讓cmake明白它應該使用boost-python庫蟒蛇3.cmake鏈接libboost_python-py32.so而不是libboost_python.so
這裏是我的cmake文件:
cmake_minimum_required(VERSION 2.8)
FIND_PACKAGE(Boost COMPONENTS
system
thread
python REQUIRED)
find_package(PythonLibs REQUIRED)
INCLUDE_DIRECTORIES(${PYTHON_LIBRARIES})
INCLUDE_DIRECTORIES(${PYTHON_INCLUDE_DIRS})
INCLUDE_DIRECTORIES(${Boost_INCLUDE_DIRS})
ADD_LIBRARY(
pschulze SHARED
src/candidate_relation.cpp
src/schulze.cpp
src/calculate.cpp
src/candidate.cpp
src/ranking.cpp
src/userinput.cpp
python.cpp)
TARGET_LINK_LIBRARIES(pschulze ${Boost_LIBRARIES} ${PYTHON_LIBRARIES})
ADD_EXECUTABLE(
schulze
src/candidate_relation.cpp
src/schulze.cpp
src/calculate.cpp
src/candidate.cpp
src/ranking.cpp
src/userinput.cpp
src/json-spirit/json_spirit_reader.cpp
src/json-spirit/json_spirit_value.cpp
main.cpp)
TARGET_LINK_LIBRARIES(schulze ${Boost_LIBRARIES} ${PYTHON_LIBRARIES})
ADD_DEFINITIONS(-std=gnu++0x -Os)
add_subdirectory (tests)
set(CMAKE_BUILD_TYPE Debug)
這是鏈接錯誤,我得到:
Linking CXX executable schulze
CMakeFiles/schulze.dir/src/schulze.cpp.o: In function `arg_to_python':
/usr/include/boost/python/converter/builtin_converters.hpp:122: undefined reference to `PyInt_FromLong'
/usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../lib/libboost_python.so: undefined reference to `PyString_Size'
是否更改爲'find_package(PythonLibs 3 REQUIRED)'工作?您應該在嘗試之前刪除您的CMakeCache.txt。 – Fraser 2013-03-03 18:38:44
builtin_converters.hpp:122錯誤消失了,但libboost_python.so:對'PyString_Size'的未定義引用仍然存在。 – 2013-03-03 18:59:58
@Fraser:'find_package(PythonLibs 3 REQUIRED)'不會幫助您找到相應的Boost.Python庫。它僅查找Python「基本」語言庫。 – 2016-10-07 14:13:12