build swig bindings with cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8c5d9c5f076d1751027508192f12012467a712db..1fa13a32799ae31273776e0d163cc33021495de8 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -172,5 +172,4 @@ INSTALL ( TARGETS nlopt
           ARCHIVE DESTINATION lib${LIB_SUFFIX}\r
         )\r
 \r
-\r
-    \r
+add_subdirectory (swig)\r

diff --git a/swig/CMakeLists.txt b/swig/CMakeLists.txt
new file mode 100644 (file)
index 0000000..3dd1f5e
--- /dev/null
+++ b/swig/CMakeLists.txt
@@ -0,0 +1,29 @@
+option (BUILD_PYTHON "build python bindings" ON)
+
+find_package (PythonInterp)
+find_package (PythonLibs)
+find_package (SWIG)
+
+if (BUILD_PYTHON AND PYTHONINTERP_FOUND AND PYTHONLIBS_FOUND AND SWIG_FOUND AND BUILD_SHARED_LIBS)
+  include (UseSWIG)
+  include_directories (${CMAKE_SOURCE_DIR}/api)
+  include_directories (${PYTHON_INCLUDE_DIRS})
+
+  set_source_files_properties (nlopt.i PROPERTIES CPLUSPLUS ON)
+  set (SWIG_MODULE_nlopt_EXTRA_DEPS nlopt-python.i numpy.i ${CMAKE_SOURCE_DIR}/api/nlopt.hpp)
+
+  swig_add_module (nlopt python nlopt.i)
+  swig_link_libraries (nlopt nlopt)
+
+  execute_process ( COMMAND ${PYTHON_EXECUTABLE} -c "from distutils import sysconfig; print(sysconfig.get_python_lib(plat_specific=True, prefix='${CMAKE_INSTALL_PREFIX}'))"
+                    OUTPUT_VARIABLE _ABS_PYTHON_MODULE_PATH
+                    OUTPUT_STRIP_TRAILING_WHITESPACE )
+
+  get_filename_component (_ABS_PYTHON_MODULE_PATH ${_ABS_PYTHON_MODULE_PATH} ABSOLUTE)
+  file (RELATIVE_PATH _REL_PYTHON_MODULE_PATH ${CMAKE_INSTALL_PREFIX} ${_ABS_PYTHON_MODULE_PATH})
+
+  set (PYTHON_MODULE_PATH ${_REL_PYTHON_MODULE_PATH})
+
+  install ( FILES ${CMAKE_CURRENT_BINARY_DIR}/nlopt.py DESTINATION ${PYTHON_MODULE_PATH} )
+  install ( TARGETS ${SWIG_MODULE_nlopt_REAL_NAME} LIBRARY DESTINATION ${PYTHON_MODULE_PATH} )
+endif ()