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-rw-r--r--Modules/FindPythonLibs.cmake40
1 files changed, 31 insertions, 9 deletions
diff --git a/Modules/FindPythonLibs.cmake b/Modules/FindPythonLibs.cmake
index 5e7da5a..e7eac31 100644
--- a/Modules/FindPythonLibs.cmake
+++ b/Modules/FindPythonLibs.cmake
@@ -117,22 +117,44 @@ MACRO(PYTHON_WRITE_MODULES_HEADER _filename)
GET_FILENAME_COMPONENT(_name "${_filename}" NAME)
STRING(REPLACE "." "_" _name "${_name}")
STRING(TOUPPER ${_name} _name)
- FILE(WRITE ${_filename} "/*Created by cmake, do not edit, changes will be lost*/\n")
- FILE(APPEND ${_filename} "#ifndef ${_name}\n")
- FILE(APPEND ${_filename} "#define ${_name}\n\n")
- FILE(APPEND ${_filename} "#include <Python.h>\n\n")
+
+ SET(_filenameTmp "${_filename}.in")
+ FILE(WRITE ${_filenameTmp} "/*Created by cmake, do not edit, changes will be lost*/\n")
+ FILE(APPEND ${_filenameTmp}
+"#ifndef ${_name}
+#define ${_name}
+
+#include <Python.h>
+
+#ifdef __cplusplus
+extern \"C\" {
+#endif /* __cplusplus */
+
+")
FOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
- FILE(APPEND ${_filename} "extern void init${_currentModule}(void);\n\n")
+ FILE(APPEND ${_filenameTmp} "extern void init${PYTHON_MODULE_PREFIX}${_currentModule}(void);\n\n")
ENDFOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
+ FILE(APPEND ${_filenameTmp}
+"#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+")
+
+
FOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
- FILE(APPEND ${_filename} "int CMakeLoadPythonModule_${_currentModule}(void) \n{\n char name[]=\"${PYTHON_MODULE_PREFIX}${_currentModule}\"; return PyImport_AppendInittab(name, init${PYTHON_MODULE_PREFIX}${_currentModule});\n}\n\n")
+ FILE(APPEND ${_filenameTmp} "int CMakeLoadPythonModule_${_currentModule}(void) \n{\n char name[]=\"${PYTHON_MODULE_PREFIX}${_currentModule}\"; return PyImport_AppendInittab(name, init${PYTHON_MODULE_PREFIX}${_currentModule});\n}\n\n")
ENDFOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
- FILE(APPEND ${_filename} "#ifndef EXCLUDE_LOAD_ALL_FUNCTION\nvoid CMakeLoadAllPythonModules(void)\n{\n")
+ FILE(APPEND ${_filenameTmp} "#ifndef EXCLUDE_LOAD_ALL_FUNCTION\nvoid CMakeLoadAllPythonModules(void)\n{\n")
FOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
- FILE(APPEND ${_filename} " CMakeLoadPythonModule_${_currentModule}();\n")
+ FILE(APPEND ${_filenameTmp} " CMakeLoadPythonModule_${_currentModule}();\n")
ENDFOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
- FILE(APPEND ${_filename} "}\n#endif\n\n#endif\n")
+ FILE(APPEND ${_filenameTmp} "}\n#endif\n\n#endif\n")
+
+# with CONFIGURE_FILE() cmake complains that you may not use a file created using FILE(WRITE) as input file for CONFIGURE_FILE()
+ EXECUTE_PROCESS(COMMAND ${CMAKE_COMMAND} -E copy_if_different "${_filenameTmp}" "${_filename}" OUTPUT_QUIET ERROR_QUIET)
+
ENDMACRO(PYTHON_WRITE_MODULES_HEADER)