diff options
Diffstat (limited to 'Modules/posixmodule.c')
| -rw-r--r-- | Modules/posixmodule.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index 816e3eb..ac74a67 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -13,6 +13,18 @@ /* See also ../Dos/dosmodule.c */ +#ifdef __APPLE__ + /* + * Step 1 of support for weak-linking a number of symbols existing on + * OSX 10.4 and later, see the comment in the #ifdef __APPLE__ block + * at the end of this file for more information. + */ +# pragma weak lchown +# pragma weak statvfs +# pragma weak fstatvfs + +#endif /* __APPLE__ */ + #define PY_SSIZE_T_CLEAN #include "Python.h" @@ -8266,6 +8278,45 @@ INITFUNC(void) PyModule_AddObject(m, "statvfs_result", (PyObject*) &StatVFSResultType); initialized = 1; + +#ifdef __APPLE__ + /* + * Step 2 of weak-linking support on Mac OS X. + * + * The code below removes functions that are not available on the + * currently active platform. + * + * This block allow one to use a python binary that was build on + * OSX 10.4 on OSX 10.3, without loosing access to new APIs on + * OSX 10.4. + */ +#ifdef HAVE_FSTATVFS + if (fstatvfs == NULL) { + if (PyObject_DelAttrString(m, "fstatvfs") == -1) { + return; + } + } +#endif /* HAVE_FSTATVFS */ + +#ifdef HAVE_STATVFS + if (statvfs == NULL) { + if (PyObject_DelAttrString(m, "statvfs") == -1) { + return; + } + } +#endif /* HAVE_STATVFS */ + +# ifdef HAVE_LCHOWN + if (lchown == NULL) { + if (PyObject_DelAttrString(m, "lchown") == -1) { + return; + } + } +#endif /* HAVE_LCHOWN */ + + +#endif /* __APPLE__ */ + } #ifdef __cplusplus |