swig cmake c++/c to python
cmake minimum required(VERSION 2.8)
project (mongoAPI)
#allow gdb to run on the shared object; required for debugging.
set(CMAKE BUILD TYPE Debug)
#this sets the output directory of anything cmake generates
SET(CMAKE LIBRARY OUTPUT_DIRECTORY {root})
#this sets the output directory of anything SWIG generates
set(CMAKE SWIG OUTDIR {root})
#gcc flags. this is required for the Mongo driver to compile
set(CMAKE C FLAGS "-std=c99")
#point to the Mongo driver header files
include_directories("/projects/mjacobi/lib/mongo-c-driver-master/mongoc/include/")
#this generate the actual .so file for mongofs
add_library(mongoAPI SHARED ../mongofsAPI.c)
#this says where to put the generated .so relative to the directory "cmake" is executed from
set target properties(mongoAPI PROPERTIES LIBRARY OUTPUT DIRECTORY ${PROJECT BINARY DIR}/..)
#this tells cmake to link my API to the Mongo object
target link libraries(mongoAPI /path/to/libmongoc.so)
#SWIG stuff:
#load the cmake SWIG package
find package(SWIG REQUIRED)
include(${SWIG USE_FILE})
#load the package that SWIG uses to generate Python
find_package(PythonLibs)
#point to python headers
include directories(${PYTHON INCLUDE_DIRS})
#tell SWIG to create a new module, called mongopyAPI,
#in Python and point to the SWIG interface file (the .i file)
swig add module(mongopyAPI python ../mongopyAPI.i)
#link the above module to the API (the shared object) we just created
swig link libraries(mongopyAPI mongoAPI)
#also link the above module to Python
swig link libraries(mongopyAPI ${PYTHON_LIBRARIES} )