python plugin: fix building on OSX

Fixes #1852

duplicate symbol _ValuesType in:
    .libs/python_la-python.o
    .libs/python_la-pyconfig.o
duplicate symbol _NotificationType in:
    .libs/python_la-python.o
    .libs/python_la-pyconfig.o
duplicate symbol _ConfigType in:
    .libs/python_la-python.o
    .libs/python_la-pyconfig.o
duplicate symbol _UnsignedType in:
    .libs/python_la-python.o
    .libs/python_la-pyconfig.o
duplicate symbol _SignedType in:
    .libs/python_la-python.o
    .libs/python_la-pyconfig.o
duplicate symbol _PluginDataType in:
    .libs/python_la-python.o
    .libs/python_la-pyconfig.o
duplicate symbol _ValuesType in:
    .libs/python_la-python.o
    .libs/python_la-pyvalues.o
duplicate symbol _NotificationType in:
    .libs/python_la-python.o
    .libs/python_la-pyvalues.o
duplicate symbol _ConfigType in:
    .libs/python_la-python.o
    .libs/python_la-pyvalues.o
duplicate symbol _UnsignedType in:
    .libs/python_la-python.o
    .libs/python_la-pyvalues.o
duplicate symbol _SignedType in:
    .libs/python_la-python.o
    .libs/python_la-pyvalues.o
duplicate symbol _PluginDataType in:
    .libs/python_la-python.o
    .libs/python_la-pyvalues.o
ld: 12 duplicate symbols for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[3]: *** [python.la] Error 1
make[2]: *** [all-recursive] Error 1
make[1]: *** [all] Error 2
make: *** [all-recursive] Error 1

diff --git a/src/cpython.h b/src/cpython.h
index 880fa4c..4f2e832 100644 (file)
--- a/src/cpython.h
+++ b/src/cpython.h
@@ -170,7 +170,7 @@ typedef struct {
        PyObject *values;    /* Sequence */
        PyObject *children;  /* Sequence */
 } Config;
-PyTypeObject ConfigType;
+extern PyTypeObject ConfigType;
 
 typedef struct {
        PyObject_HEAD        /* No semicolon! */
@@ -181,7 +181,7 @@ typedef struct {
        char type[DATA_MAX_NAME_LEN];
        char type_instance[DATA_MAX_NAME_LEN];
 } PluginData;
-PyTypeObject PluginDataType;
+extern PyTypeObject PluginDataType;
 #define PluginData_New() PyObject_CallFunctionObjArgs((PyObject *) &PluginDataType, (void *) 0)
 
 typedef struct {
@@ -190,7 +190,7 @@ typedef struct {
        PyObject *meta;      /* dict */
        double interval;
 } Values;
-PyTypeObject ValuesType;
+extern PyTypeObject ValuesType;
 #define Values_New() PyObject_CallFunctionObjArgs((PyObject *) &ValuesType, (void *) 0)
 
 typedef struct {
@@ -198,12 +198,12 @@ typedef struct {
        int severity;
        char message[NOTIF_MAX_MSG_LEN];
 } Notification;
-PyTypeObject NotificationType;
+extern PyTypeObject NotificationType;
 #define Notification_New() PyObject_CallFunctionObjArgs((PyObject *) &NotificationType, (void *) 0)
 
 typedef PyLongObject Signed;
-PyTypeObject SignedType;
+extern PyTypeObject SignedType;
 
 typedef PyLongObject Unsigned;
-PyTypeObject UnsignedType;
+extern PyTypeObject UnsignedType;